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* [Bug tree-optimization/78413] [7 Regression] ICE in single_pred_edge, at basic-block.h:361
[not found] <bug-78413-4@http.gcc.gnu.org/bugzilla/>
@ 2016-11-21 14:12 ` wschmidt at gcc dot gnu.org
0 siblings, 0 replies; only message in thread
From: wschmidt at gcc dot gnu.org @ 2016-11-21 14:12 UTC (permalink / raw)
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78413
--- Comment #7 from Bill Schmidt <wschmidt at gcc dot gnu.org> ---
Author: wschmidt
Date: Mon Nov 21 14:10:11 2016
New Revision: 242661
URL: https://gcc.gnu.org/viewcvs?rev=242661&root=gcc&view=rev
Log:
[gcc]
2016-11-21 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
PR tree-optimization/78413
* tree-if-conv.c (versionable_outer_loop_p): Require that both
inner and outer loop latches have single predecessors.
[gcc/testsuite]
2016-11-21 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
PR tree-optimization/78413
* gcc.dg/tree-ssa/pr78413.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/pr78413.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-if-conv.c
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To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/78396] [7 regression] gcc.dg/vect/bb-slp-cond-1.c FAILs after fix for PR77848
Date: Mon, 21 Nov 2016 14:13:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78396
--- Comment #5 from Bill Schmidt <wschmidt at gcc dot gnu.org> ---
OK, I'll test it out shortly.
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From: "matt at godbolt dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/70909] Libiberty Demangler segfaults (4)
Date: Mon, 21 Nov 2016 14:17:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70909
--- Comment #13 from Matt Godbolt <matt at godbolt dot org> ---
We will try and get a small repro case. It comes from open source software:
it's from the compiling_tests.cpp program in trompeloeil
(https://github.com/rollbear/trompeloeil/blob/master/compiling_tests.cpp. The
trompeloeil author is going to try and make a cut-down case.
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From: "edlinger at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/71973] c++ handles built-in functions inconsistently
Date: Mon, 21 Nov 2016 14:28:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71973
--- Comment #5 from Bernd Edlinger <edlinger at gcc dot gnu.org> ---
Author: edlinger
Date: Mon Nov 21 14:17:05 2016
New Revision: 242662
URL: https://gcc.gnu.org/viewcvs?rev=242662&root=gcc&view=rev
Log:
gcc:
2016-11-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
PR c++/71973
* doc/invoke.texi (-Wno-builtin-declaration-mismatch): Document the
new default-enabled warning..
* builtin-types.def (BT_CONST_TM_PTR): New primitive type.
(BT_PTR_CONST_STRING): Updated.
(BT_FN_SIZE_STRING_SIZE_CONST_STRING_CONST_PTR): Removed.
(BT_FN_SIZE_STRING_SIZE_CONST_STRING_CONST_TM_PTR): New function type.
* builtins.def (DEF_TM_BUILTIN): Disable BOTH_P for TM builtins.
(strftime): Update builtin function.
* tree-core.h (TI_CONST_TM_PTR_TYPE): New enum value.
* tree.h (const_tm_ptr_type_node): New type node.
* tree.c (free_lang_data, build_common_tree_nodes): Initialize
const_tm_ptr_type_node.
c-family:
2016-11-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
PR c++/71973
* c.opt (-Wbuiltin-declaration-mismatch): New warning.
* c-common.c (c_common_nodes_and_builtins): Initialize
const_tm_ptr_type_node.
c:
2016-11-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
PR c++/71973
* c-decl.c (diagnose_mismatched_decls): Use
OPT_Wbuiltin_declaration_mismatch here too.
cp:
2016-11-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
PR c++/71973
* decl.c (duplicate_decls): Warn when a built-in function is redefined.
Don't overload builtin functions with C++ functions.
Handle const_tm_ptr_type_node like file_ptr_node.
Copy the TREE_NOTHROW flag unmodified to the old decl.
lto:
2016-11-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
PR c++/71973
* lto-lang.c (lto_init): Assert const_tm_ptr_type_node is sane.
testsuite:
2016-11-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
PR c++/71973
* g++.dg/pr71973-1.C: New test.
* g++.dg/pr71973-2.C: New test.
* g++.dg/pr71973-3.C: New test.
* g++.dg/lto/pr68811_0.C: Add -w to first lto-options.
* g++.dg/lookup/extern-c-redecl4.C: Adjust test expectations.
* g++.old-deja/g++.mike/p700.C: Add -Wno-builtin-declaration-mismatch
to dg-options.
* g++.old-deja/g++.other/realloc.C: Likewise.
* g++.old-deja/g++.other/builtins10.C: Adjust test expectations.
Added:
trunk/gcc/testsuite/g++.dg/pr71973-1.C
trunk/gcc/testsuite/g++.dg/pr71973-2.C
trunk/gcc/testsuite/g++.dg/pr71973-3.C
Modified:
trunk/gcc/ChangeLog
trunk/gcc/builtin-types.def
trunk/gcc/builtins.def
trunk/gcc/c-family/ChangeLog
trunk/gcc/c-family/c-common.c
trunk/gcc/c-family/c.opt
trunk/gcc/c/ChangeLog
trunk/gcc/c/c-decl.c
trunk/gcc/cp/ChangeLog
trunk/gcc/cp/decl.c
trunk/gcc/doc/invoke.texi
trunk/gcc/lto/ChangeLog
trunk/gcc/lto/lto-lang.c
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/g++.dg/lookup/extern-c-redecl4.C
trunk/gcc/testsuite/g++.dg/lto/pr68811_0.C
trunk/gcc/testsuite/g++.old-deja/g++.mike/p700.C
trunk/gcc/testsuite/g++.old-deja/g++.other/builtins10.C
trunk/gcc/testsuite/g++.old-deja/g++.other/realloc.C
trunk/gcc/tree-core.h
trunk/gcc/tree.c
trunk/gcc/tree.h
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From: "wschmidt at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/78413] [7 Regression] ICE in single_pred_edge, at basic-block.h:361
Date: Mon, 21 Nov 2016 14:45:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78413
Bill Schmidt <wschmidt at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #8 from Bill Schmidt <wschmidt at gcc dot gnu.org> ---
Fixed.
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To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/78400] [7 Regression] ICE: in df_refs_verify, at df-scan.c:4045 when building powerpc crosscompiler
Date: Mon, 21 Nov 2016 14:59:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78400
--- Comment #2 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Author: segher
Date: Mon Nov 21 14:44:21 2016
New Revision: 242663
URL: https://gcc.gnu.org/viewcvs?rev=242663&root=gcc&view=rev
Log:
shrink-wrap: Fix problem with DF checking (PR78400)
With my previous patch the compiler ICEs if you use --enable-checking=df.
This patch fixes it, by calling df_update_entry_exit_and_calls instead of
df_update_entry_block_defs and df_update_exit_block_uses.
PR rtl-optimization/78400
* shrink-wrap.c (try_shrink_wrapping_separate): Call
df_update_entry_exit_and_calls instead of df_update_entry_block_defs
and df_update_exit_block_uses.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/shrink-wrap.c
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From: "amker at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/78114] [7 regression] gfortran.dg/vect/fast-math-mgrid-resid.f FAILs
Date: Mon, 21 Nov 2016 15:16:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78114
--- Comment #10 from amker at gcc dot gnu.org ---
Author: amker
Date: Mon Nov 21 14:58:19 2016
New Revision: 242664
URL: https://gcc.gnu.org/viewcvs?rev=242664&root=gcc&view=rev
Log:
gcc/testsuite
PR testsuite/78114
* gfortran.dg/vect/fast-math-mgrid-resid.f: Add additional
options. Refine test by checking predictive commining PHI
nodes in vectorized loop wrto vector factor.
Modified:
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gfortran.dg/vect/fast-math-mgrid-resid.f
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From: "segher at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/71785] Computed gotos are mostly optimized away
Date: Mon, 21 Nov 2016 15:18:00 -0000
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--- Comment #8 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Author: segher
Date: Mon Nov 21 15:15:21 2016
New Revision: 242665
URL: https://gcc.gnu.org/viewcvs?rev=242665&root=gcc&view=rev
Log:
Testcase for PR71785
gcc/testsuite/
PR rtl-optimization/71785
* gcc.target/powerpc/pr71785.c: New file.
Added:
trunk/gcc/testsuite/gcc.target/powerpc/pr71785.c
Modified:
trunk/gcc/testsuite/ChangeLog
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From: "segher at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug rtl-optimization/71785] Computed gotos are mostly optimized away
Date: Mon, 21 Nov 2016 15:32:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71785
Segher Boessenkool <segher at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Known to work| |7.0
--- Comment #9 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Fixed on trunk. Probably still want backports, this shortcoming is ancient
but nasty, there are a lot of related PRs.
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Subject: [Bug rtl-optimization/78342] [7 Regression] ICE in rtl_verify_bb_insns, at cfgrtl.c:2657 (error: flow control insn inside a basic block)
Date: Mon, 21 Nov 2016 15:38:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78342
Segher Boessenkool <segher at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|unassigned at gcc dot gnu.org |segher at gcc dot gnu.org
--- Comment #2 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Confirmed; needs -m32 only, no -fPIC, not only BE.
>From gcc-bugs-return-544369-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 15:38:43 2016
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From: "nsz at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libfortran/78449] New: compile time ieee_support_halting is not correct on arm and aarch64 ( FAIL: gfortran.dg/ieee/ieee_8.f90 -Os execution test )
Date: Mon, 21 Nov 2016 15:44:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78449
Bug ID: 78449
Summary: compile time ieee_support_halting is not correct on
arm and aarch64 ( FAIL: gfortran.dg/ieee/ieee_8.f90
-Os execution test )
Product: gcc
Version: 7.0
Status: UNCONFIRMED
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Priority: P3
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Reporter: nsz at gcc dot gnu.org
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on aarch64 and arm trapping support requires runtime check (bug 78314),
but it seems fortran may need consistent result for ieee_support_halting
at compile time and runtime (in which case the correct behaviour is
to always return false on targets where there might be no support).
>From gcc-bugs-return-544370-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 15:44:56 2016
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Subject: [Bug sanitizer/78208] Compile-time hog with -fsanitize=null with operator overloading
Date: Mon, 21 Nov 2016 15:47:00 -0000
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--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
As discussed on gcc-patches, I think this is only a compile-time hog with
-fdump-tree-original.
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From: "wschmidt at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug tree-optimization/78396] [7 regression] gcc.dg/vect/bb-slp-cond-1.c FAILs after fix for PR77848
Date: Mon, 21 Nov 2016 15:48:00 -0000
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--- Comment #6 from Bill Schmidt <wschmidt at gcc dot gnu.org> ---
gfortran.dg/vect/pr77848.f indeed still passes with this change.
I suppose that similar code where something else in the block could be
vectorized would still regress, though. I don't think that's sufficient to
hold up this fix, but it's just a reason to see if we can do better in GCC 8.
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Subject: [Bug rtl-optimization/78447] [7 Regression] wrong code when combine changes shifts by << 5 and >> 15 to >> 10 at -O
Date: Mon, 21 Nov 2016 15:51:00 -0000
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Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2016-11-21
CC| |jakub at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Started with r242414, might be a dup of PR78438.
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From: "dmalcolm at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug preprocessor/78324] Valgrind issues seen with gcc.dg/tree-ssa/builtin-sprintf-2.c
Date: Mon, 21 Nov 2016 16:04:00 -0000
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--- Comment #5 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
Author: dmalcolm
Date: Mon Nov 21 15:50:38 2016
New Revision: 242667
URL: https://gcc.gnu.org/viewcvs?rev=242667&root=gcc&view=rev
Log:
substring_loc info needs default track-macro-expansion (PR preprocessor/78324)
gcc/ChangeLog:
PR preprocessor/78324
* input.c (get_substring_ranges_for_loc): Fail gracefully if
-ftrack-macro-expansion has a value other than 2.
gcc/testsuite/ChangeLog:
PR preprocessor/78324
* gcc.dg/plugin/diagnostic-test-string-literals-1.c
(test_multitoken_macro): New function.
* gcc.dg/plugin/diagnostic-test-string-literals-3.c: New test
case.
* gcc.dg/plugin/diagnostic-test-string-literals-4.c: New test
case.
* gcc.dg/plugin/plugin.exp (plugin_test_list): Add the new test
cases.
* gcc.dg/tree-ssa/builtin-sprintf-warn-1.c (test_sprintf_note):
Move to...
* gcc.dg/tree-ssa/builtin-sprintf-warn-4.c: ...here. Drop
-ftrack-macro-expansion=0.
(test_sprintf_note): Remove "P" macro. Add
dg-begin/end-multiline-output directives.
(LINE, buffer, ptr): Copy from builtin-sprintf-warn-1.c.
Added:
trunk/gcc/testsuite/gcc.dg/plugin/diagnostic-test-string-literals-3.c
trunk/gcc/testsuite/gcc.dg/plugin/diagnostic-test-string-literals-4.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/input.c
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gcc.dg/plugin/diagnostic-test-string-literals-1.c
trunk/gcc/testsuite/gcc.dg/plugin/plugin.exp
trunk/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-1.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-4.c
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Subject: [Bug preprocessor/78324] Valgrind issues seen with gcc.dg/tree-ssa/builtin-sprintf-2.c
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David Malcolm <dmalcolm at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #6 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
Should be fixed by r242667 (confirmed using valgrind on x86_64).
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Subject: [Bug preprocessor/77810] provide format_inform_at_substring to go with format_warning_at_substring
Date: Mon, 21 Nov 2016 16:16:00 -0000
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David Malcolm <dmalcolm at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
CC| |dmalcolm at gcc dot gnu.org
--- Comment #2 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
(In reply to Martin Sebor from comment #1)
> Created attachment 39727 [details]
> Prototype patch.
>
> I tested the attached proof-of-concept patch by integrating it into the
> gimple-ssa-sprintf pass.
(sorry, I believe this is the first time I've seen the bug/patch)
Do you still have a need for this functionality?
FWIW, the leading comment describing format_warning_va/format_diag_va needs
rewording; likewise the comment about
/* Functions for emitting a warning about a format string. */
Otherwise, the patch looks reasonable (though am not sure if I have approval
rights on this one).
Did this ever get posted to gcc-patches?
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Subject: [Bug middle-end/78445] [7 Regression] ICE in maybe_gen_insn, at optabs.c:7014
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Jakub Jelinek <jakub at gcc dot gnu.org> changed:
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--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Started with r242550.
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Subject: [Bug tree-optimization/78450] New: strlen(s) return value can be assumed to be less than the size of s
Date: Mon, 21 Nov 2016 16:24:00 -0000
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Bug ID: 78450
Summary: strlen(s) return value can be assumed to be less than
the size of s
Product: gcc
Version: 7.0
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In a call to strlen(p) where p points to two or more constant strings of known
lengths GCC determines the length of the longest string and uses that as the
upper bound of the range of values returned by the call.
Similarly, in a call to strlen(q) where the length of one or more of the
strings pointed to by q is not known but where q points to arrays of known
size, GCC could use the size of the largest array as the upper bound (modulo
flexible array members and such). However, the test case below shows that GCC
does not take advantage of this possible optimization opportunity.
$ (set -x && cat x.c && gcc -O2 -S -Wall -Wextra -Wpedantic
-fdump-tree-optimized=/dev/stdout x.c | grep -e "^[fg] (" -e abort)
+ cat x.c
const char a[] = "123";
const char b[] = "1234";
void f (int i)
{
const char *s = i < 0 ? a : b;
unsigned n = __builtin_strlen (s);
if (4 < n)
__builtin_abort ();
}
char a3[3];
char b4[4];
void g (int i)
{
const char *s = i < 0 ? a3 : b4;
unsigned n = __builtin_strlen (s);
if (3 < n)
__builtin_abort ();
}
+ gcc -O2 -S -Wall -Wextra -Wpedantic -fdump-tree-optimized=/dev/stdout x.c
+ grep --color=auto -e '^[fg] (' -e abort
f (int i)
g (int i)
__builtin_abort ();
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Subject: [Bug middle-end/78445] [7 Regression] ICE in maybe_gen_insn, at optabs.c:7014
Date: Mon, 21 Nov 2016 16:34:00 -0000
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--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
That change is clearly bogus, if we have any masked loads/stores, we need to
version the loop, even if -ftree-loop-if-convert. Will test a patch for this.
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Subject: [Bug tree-optimization/78114] [7 regression] gfortran.dg/vect/fast-math-mgrid-resid.f FAILs
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--- Comment #11 from janus at gcc dot gnu.org ---
r242664 seems to fix the issue I reported in comment 3/4. Thanks!
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Subject: [Bug middle-end/78445] [7 Regression] ICE in maybe_gen_insn, at optabs.c:7014
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Jakub Jelinek <jakub at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
Status|NEW |ASSIGNED
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--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 40100
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40100&action=edit
gcc7-pr78445.patch
Untested fix.
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Subject: [Bug fortran/78443] [OOP] Incorrect behavior with non_overridable keyword
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----------------------------------------------------------------------------
Keywords| |wrong-code
Status|UNCONFIRMED |NEW
Last reconfirmed| |2016-11-21
CC| |janus at gcc dot gnu.org
Summary|Incorrect behavior with |[OOP] Incorrect behavior
|non_overridable keyword |with non_overridable
| |keyword
Ever confirmed|0 |1
--- Comment #1 from janus at gcc dot gnu.org ---
I tried the test case with all gfortran versions from 4.7 to current trunk
(pre-7). All of them exhibit the same behavior, compiling the code without any
problems and giving the following runtime output:
square( 2.00000000 ) = -100.000000
square( 2.00000000 ) = -100.000000
Program received signal SIGSEGV: Segmentation fault - invalid memory reference.
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Subject: [Bug preprocessor/77810] provide format_inform_at_substring to go with format_warning_at_substring
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--- Comment #3 from Martin Sebor <msebor at gcc dot gnu.org> ---
I haven't posted the patch for review. IIRC, I put it together in hopes of
enhancing the -Wformat-length notes to refer to the arguments of the directives
and offering fixit hints showing how to resolve some of the warnings. The
motivation for this was bug 77690 (and similar cases) where the solution is to
add precision to a %s directive to cap the number of bytes it outputs. The
general enhancement of adding fixit notes to the warning is being tracked in
bug 77831. I'd be interested in your ideas for how they could be put to use
beyond the %s directive and where (this might perhaps be worth tackling in
conjunction with bug 77696).
If there's still time to work on this in stage 3 I'll dust off the patch and
post it for review.
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Subject: [Bug middle-end/77831] add fixit hints to -Wformat-length
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See Also| |https://gcc.gnu.org/bugzill
| |a/show_bug.cgi?id=77810
--- Comment #1 from Martin Sebor <msebor at gcc dot gnu.org> ---
See also bug 77810 which proposes to extend the substring-locations API to
informational notes. The enhancement may be helpful or even necessary in
implementing the fixit notes.
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Subject: [Bug target/78451] New: FAIL: gcc.target/i386/sse-22a.c: error: inlining failed in call to always_inline '_mm512_setzero_ps'
Date: Mon, 21 Nov 2016 17:19:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78451
Bug ID: 78451
Summary: FAIL: gcc.target/i386/sse-22a.c: error: inlining
failed in call to always_inline '_mm512_setzero_ps'
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: msebor at gcc dot gnu.org
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The gcc.target/i386/sse-22a.c test has been failing with the following error:
FAIL: gcc.target/i386/sse-22a.c (test for excess errors)
Excess errors:
/home/msebor/build/gcc-78284/gcc/include/avx512fintrin.h:244:1: error: inlining
failed in call to always_inline '_mm512_setzero_ps': target specific option
mismatch
On the gcc-rtegression list it's been reported as failing with an ICE:
https://gcc.gnu.org/ml/gcc-regression/2016-11/msg00380.html
The failure was mentioned in the following discussion:
https://gcc.gnu.org/ml/gcc-patches/2016-11/msg02066.html
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Subject: [Bug bootstrap/77676] powerpc64 and powerpc64le stage2 bootstrap fail
Date: Mon, 21 Nov 2016 17:21:00 -0000
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Martin Sebor <msebor at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #18 from Martin Sebor <msebor at gcc dot gnu.org> ---
The patch to re-enable -fprintf-return-value was committed in r242674 after
successfully bootstrapping on powerpc64*, i386, and x86_64 and passing
regression tests. Please open a new bug for any new problems related to the
option.
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Subject: [Bug tree-optimization/78428] [5/6/7 Regression] wrong code at -O2 and -O3 on x86_64-linux-gnu in 64-bit mode
Date: Mon, 21 Nov 2016 17:21:00 -0000
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Jakub Jelinek <jakub at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
CC| |jakub at gcc dot gnu.org
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
I think store_constructor/store_constructor_field should get
bitregion_{start,end} arguments and pass them through, so that initializing
some object through expand_constructor honors the object boundaries like e.g.
expand_assignment does.
>From gcc-bugs-return-544387-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 17:21:32 2016
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Subject: [Bug fortran/78443] [OOP] Incorrect behavior with non_overridable keyword
Date: Mon, 21 Nov 2016 17:33:00 -0000
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--- Comment #2 from janus at gcc dot gnu.org ---
Indeed this behavior is a bug.
Looking at the dump generated with -fdump-tree-original, it seems that all
typebound-procedure calls are generated as they should be:
* The three calls in the main program are reduced to non-polymorphic calls:
test2 (&class.2, &C.3565);
test2 (&class.3, &C.3567);
test1 (&class.4, &C.3571);
* The calls to 'square' in the test procedures are performed polymorphically:
D.3553 = this->_vptr->square ((struct __class_types_P2_t *) this,
(real(kind=4) *) x);
D.3555 = this->_vptr->square ((struct __class_types_P1_t *) this,
(real(kind=4) *) x);
So, what goes wrong is probably the assignment of the TBPs in the vtab.
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To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/78452] New: -Wformat-length=2 wrong length in %s directive with an array argument
Date: Mon, 21 Nov 2016 17:49:00 -0000
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Bug ID: 78452
Summary: -Wformat-length=2 wrong length in %s directive with an
array argument
Product: gcc
Version: 7.0
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Severity: minor
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When the -Wformat-length=2 option is used, in a call to sprintf with the %s
directive and an argument that refers to two or more arrays of different sizes
at least one of which is greater than the space in the destination, GCC issues
a warning as expected but indicates the wrong number of bytes is being written.
The test case below shows the problem. The second warning should say
something like
‘%-s’ directive writing up to 4 bytes into a region of size 3
$ cat x.c && /build/gcc-trunk-svn/gcc/xgcc -B /build/gcc-trunk-svn/gcc -O2 -S
-Wall -Wextra -Wpedantic -Wformat-length=2 x.c
char d[3];
const char s3[] = "123";
const char s4[] = "1234";
void f (int i)
{
const char *s = i < 0 ? s3 : s4;
__builtin_sprintf (d, "%-s", s); // warning (expected), bytes correct
}
char a3[3];
char a4[4];
void g (int i)
{
const char *s = i < 0 ? a3 : a4;
__builtin_sprintf (d, "%-s", s); // warning (expected), bytes wrong
}
x.c: In function ‘f’:
x.c:9:26: warning: ‘%-s’ directive writing between 3 and 4 bytes into a region
of size 3 [-Wformat-length=]
__builtin_sprintf (d, "%-s", s); // warning (expected), bytes correct
^~~
x.c:9:3: note: format output between 4 and 5 bytes into a destination of size 3
__builtin_sprintf (d, "%-s", s); // warning (expected), bytes correct
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
x.c: In function ‘g’:
x.c:18:26: warning: ‘%-s’ directive writing 1 or more bytes into a region of
size 3 [-Wformat-length=]
__builtin_sprintf (d, "%-s", s); // warning (expected), bytes wrong
^~~
x.c:18:3: note: format output 2 bytes into a destination of size 3
__builtin_sprintf (d, "%-s", s); // warning (expected), bytes wrong
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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From: "amker at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug bootstrap/78453] New: arm-none-linux-gnueabihf bootstrap failed with revision 242549
Date: Mon, 21 Nov 2016 17:54:00 -0000
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Bug ID: 78453
Summary: arm-none-linux-gnueabihf bootstrap failed with
revision 242549
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
Assignee: unassigned at gcc dot gnu.org
Reporter: amker at gcc dot gnu.org
Target Milestone: ---
Hi,
After revision 242549, arm-linux-gnueabihf bootstrap failed with below message:
../../gcc/gcc/edit-context.c: In member function 'void
edit_context::print_diff(pretty_printer*, bool)':
../../gcc/gcc/edit-context.c:299:1: error: insn does not satisfy its
constraints:
}
^
(insn 69 17 25 3 (set (mem/f/c:DI (plus:SI (reg/f:SI 13 sp)
(const_int 8 [0x8])) [39 c.m_outer_cb+0 S8 A64])
(reg:DI 12 ip)) "../../gcc/gcc/typed-splay-tree.h":56 633
{*movdi_vfp_cortexa8}
(nil))
../../gcc/gcc/edit-context.c:299:1: internal compiler error: in
extract_constrain_insn, at recog.c:2213
0xa38f27 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
../../gcc/gcc/rtl-error.c:108
0xa38f69 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
../../gcc/gcc/rtl-error.c:119
0x9f7055 extract_constrain_insn(rtx_insn*)
../../gcc/gcc/recog.c:2213
0x9fc5bf copyprop_hardreg_forward_1
../../gcc/gcc/regcprop.c:794
0x9fd76b execute
../../gcc/gcc/regcprop.c:1301
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
GCC is configured as:
../gcc/configure --prefix=/.../target --disable-libssp --disable-libgomp
--disable-libsanitizer --disable-libitm --disable-atomic
--enable-languages=c,c++ --with-arch=armv7-a --with-fpu=neon --with-float=hard
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Subject: [Bug target/78439] [7 Regression] error: insn does not satisfy its constraints (arm-linux-gnueabihf)
Date: Mon, 21 Nov 2016 18:11:00 -0000
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amker at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |amker at gcc dot gnu.org
--- Comment #6 from amker at gcc dot gnu.org ---
(In reply to ktkachov from comment #3)
> The ICE happens due to r242590.
> Need to figure out if it is the cause of the bug or just exposes it
It looks like the same bug as PR78453, but for that one, r242549 is the first
guilty revision.
>From gcc-bugs-return-544391-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 18:11:21 2016
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From: "matt at godbolt dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/70909] Libiberty Demangler segfaults (4)
Date: Mon, 21 Nov 2016 18:14:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70909
--- Comment #14 from Matt Godbolt <matt at godbolt dot org> ---
Created attachment 40101
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40101&action=edit
compile with gcc 6.2 -std=c++14
This reproduces the issue. Compile with g++ 6.2 and -std=c++14 to create a file
which contains the symbol:
_ZSt7forwardIR17predicate_matcherIZ11any_matcherIiEDavEUlOT_E_13typed_matcherIiEEES3_RNSt16remove_referenceIS2_E4typeE
This symbol crashes both c++filt (2.26.20160125) and gdb (7.10) in the same way
as this bug describes (d_print_comp infinite recursion).
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To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/78454] New: valgrind conditional jump or move depends on uninitialised value(s) in sparseset_bit_p
Date: Mon, 21 Nov 2016 18:19:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78454
Bug ID: 78454
Summary: valgrind conditional jump or move depends on
uninitialised value(s) in sparseset_bit_p
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: msebor at gcc dot gnu.org
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Running the latest trunk of GCC 7.0 under Valgrind shows the errors below. I
see a report of a similar problem in bug 54689 was closed as invalid though it
references r190503 presumably committed to suppress the reported errors (?)
Yet the suppression code was present when the bug was filed (with trunk as of
r191663) and is still there on trunk today so I'm not sure what to make of
that.
$ cat x.c && /build/gcc-trunk-svn/gcc/xgcc -B /build/gcc-trunk-svn/gcc -S x.c
-wrapper valgrind
int f (int x)
{
return x;
}
==5831== Memcheck, a memory error detector
==5831== Copyright (C) 2002-2013, and GNU GPL'd, by Julian Seward et al.
==5831== Using Valgrind-3.10.1 and LibVEX; rerun with -h for copyright info
==5831== Command: /build/gcc-trunk-svn/gcc/cc1 -quiet -iprefix
/home/msebor/build/gcc-trunk-svn/gcc/../lib/gcc/x86_64-pc-linux-gnu/7.0.0/
-isystem /build/gcc-trunk-svn/gcc/include -isystem
/build/gcc-trunk-svn/gcc/include-fixed x.c -quiet -dumpbase x.c -mtune=generic
-march=x86-64 -auxbase x -o x.s
==5831==
==5831== Conditional jump or move depends on uninitialised value(s)
==5831== at 0xC8FA56: sparseset_bit_p(sparseset_def*, unsigned long)
(sparseset.h:147)
==5831== by 0xC904E4: mark_pseudo_regno_live(int) (ira-lives.c:289)
==5831== by 0xC9079E: mark_pseudo_reg_live(rtx_def*, unsigned int)
(ira-lives.c:373)
==5831== by 0xC9080B: mark_ref_live(df_ref_d*) (ira-lives.c:387)
==5831== by 0xC92F59: process_bb_node_lives(ira_loop_tree_node*)
(ira-lives.c:1254)
==5831== by 0xC68ED2: ira_traverse_loop_tree(bool, ira_loop_tree_node*, void
(*)(ira_loop_tree_node*), void (*)(ira_loop_tree_node*)) (ira-build.c:1806)
==5831== by 0xC93D64: ira_create_allocno_live_ranges() (ira-lives.c:1565)
==5831== by 0xC6D21A: ira_build() (ira-build.c:3422)
==5831== by 0xC6393B: ira(_IO_FILE*) (ira.c:5217)
==5831== by 0xC64154: (anonymous namespace)::pass_ira::execute(function*)
(ira.c:5522)
==5831== by 0xD95BE3: execute_one_pass(opt_pass*) (passes.c:2370)
==5831== by 0xD95F33: execute_pass_list_1(opt_pass*) (passes.c:2459)
==5831==
==5831== Conditional jump or move depends on uninitialised value(s)
==5831== at 0xC8FA56: sparseset_bit_p(sparseset_def*, unsigned long)
(sparseset.h:147)
==5831== by 0xC8FAE8: sparseset_set_bit(sparseset_def*, unsigned long)
(sparseset.h:166)
==5831== by 0xC8FD5C: make_object_born(ira_object*) (ira-lives.c:120)
==5831== by 0xC90505: mark_pseudo_regno_live(int) (ira-lives.c:293)
==5831== by 0xC9079E: mark_pseudo_reg_live(rtx_def*, unsigned int)
(ira-lives.c:373)
==5831== by 0xC9080B: mark_ref_live(df_ref_d*) (ira-lives.c:387)
==5831== by 0xC92F59: process_bb_node_lives(ira_loop_tree_node*)
(ira-lives.c:1254)
==5831== by 0xC68ED2: ira_traverse_loop_tree(bool, ira_loop_tree_node*, void
(*)(ira_loop_tree_node*), void (*)(ira_loop_tree_node*)) (ira-build.c:1806)
==5831== by 0xC93D64: ira_create_allocno_live_ranges() (ira-lives.c:1565)
==5831== by 0xC6D21A: ira_build() (ira-build.c:3422)
==5831== by 0xC6393B: ira(_IO_FILE*) (ira.c:5217)
==5831== by 0xC64154: (anonymous namespace)::pass_ira::execute(function*)
(ira.c:5522)
==5831==
==5831== Conditional jump or move depends on uninitialised value(s)
==5831== at 0xCD8587: sparseset_bit_p(sparseset_def*, unsigned long)
(sparseset.h:147)
==5831== by 0xCD993F: check_pseudos_live_through_calls(int)
(lra-lives.c:570)
==5831== by 0xCDA9FF: process_bb_lives(basic_block_def*, int&, bool)
(lra-lives.c:856)
==5831== by 0xCDBFDC: lra_create_live_ranges_1(bool, bool)
(lra-lives.c:1255)
==5831== by 0xCDC2BB: lra_create_live_ranges(bool, bool) (lra-lives.c:1320)
==5831== by 0xCB82BF: lra(_IO_FILE*) (lra.c:2450)
==5831== by 0xC63D56: do_reload() (ira.c:5381)
==5831== by 0xC641EE: (anonymous namespace)::pass_reload::execute(function*)
(ira.c:5565)
==5831== by 0xD95BE3: execute_one_pass(opt_pass*) (passes.c:2370)
==5831== by 0xD95F33: execute_pass_list_1(opt_pass*) (passes.c:2459)
==5831== by 0xD95F64: execute_pass_list_1(opt_pass*) (passes.c:2460)
==5831== by 0xD95FBA: execute_pass_list(function*, opt_pass*)
(passes.c:2470)
==5831==
==5831== Conditional jump or move depends on uninitialised value(s)
==5831== at 0xCD8587: sparseset_bit_p(sparseset_def*, unsigned long)
(sparseset.h:147)
==5831== by 0xCD993F: check_pseudos_live_through_calls(int)
(lra-lives.c:570)
==5831== by 0xCDA59D: process_bb_lives(basic_block_def*, int&, bool)
(lra-lives.c:785)
==5831== by 0xCDBFDC: lra_create_live_ranges_1(bool, bool)
(lra-lives.c:1255)
==5831== by 0xCDC2BB: lra_create_live_ranges(bool, bool) (lra-lives.c:1320)
==5831== by 0xCB82BF: lra(_IO_FILE*) (lra.c:2450)
==5831== by 0xC63D56: do_reload() (ira.c:5381)
==5831== by 0xC641EE: (anonymous namespace)::pass_reload::execute(function*)
(ira.c:5565)
==5831== by 0xD95BE3: execute_one_pass(opt_pass*) (passes.c:2370)
==5831== by 0xD95F33: execute_pass_list_1(opt_pass*) (passes.c:2459)
==5831== by 0xD95F64: execute_pass_list_1(opt_pass*) (passes.c:2460)
==5831== by 0xD95FBA: execute_pass_list(function*, opt_pass*)
(passes.c:2470)
==5831==
==5831== Conditional jump or move depends on uninitialised value(s)
==5831== at 0xCD8587: sparseset_bit_p(sparseset_def*, unsigned long)
(sparseset.h:147)
==5831== by 0xCD8619: sparseset_set_bit(sparseset_def*, unsigned long)
(sparseset.h:166)
==5831== by 0xCD8D92: make_hard_regno_dead(int) (lra-lives.c:255)
==5831== by 0xCD916A: mark_regno_dead(int, machine_mode, int)
(lra-lives.c:348)
==5831== by 0xCDA6E3: process_bb_lives(basic_block_def*, int&, bool)
(lra-lives.c:807)
==5831== by 0xCDBFDC: lra_create_live_ranges_1(bool, bool)
(lra-lives.c:1255)
==5831== by 0xCDC2BB: lra_create_live_ranges(bool, bool) (lra-lives.c:1320)
==5831== by 0xCB82BF: lra(_IO_FILE*) (lra.c:2450)
==5831== by 0xC63D56: do_reload() (ira.c:5381)
==5831== by 0xC641EE: (anonymous namespace)::pass_reload::execute(function*)
(ira.c:5565)
==5831== by 0xD95BE3: execute_one_pass(opt_pass*) (passes.c:2370)
==5831== by 0xD95F33: execute_pass_list_1(opt_pass*) (passes.c:2459)
==5831==
==5831== Conditional jump or move depends on uninitialised value(s)
==5831== at 0xCD8587: sparseset_bit_p(sparseset_def*, unsigned long)
(sparseset.h:147)
==5831== by 0xCD90E5: mark_regno_live(int, machine_mode, int)
(lra-lives.c:323)
==5831== by 0xCDA9E0: process_bb_lives(basic_block_def*, int&, bool)
(lra-lives.c:855)
==5831== by 0xCDBFDC: lra_create_live_ranges_1(bool, bool)
(lra-lives.c:1255)
==5831== by 0xCDC2BB: lra_create_live_ranges(bool, bool) (lra-lives.c:1320)
==5831== by 0xCB82BF: lra(_IO_FILE*) (lra.c:2450)
==5831== by 0xC63D56: do_reload() (ira.c:5381)
==5831== by 0xC641EE: (anonymous namespace)::pass_reload::execute(function*)
(ira.c:5565)
==5831== by 0xD95BE3: execute_one_pass(opt_pass*) (passes.c:2370)
==5831== by 0xD95F33: execute_pass_list_1(opt_pass*) (passes.c:2459)
==5831== by 0xD95F64: execute_pass_list_1(opt_pass*) (passes.c:2460)
==5831== by 0xD95FBA: execute_pass_list(function*, opt_pass*)
(passes.c:2470)
==5831==
==5831== Conditional jump or move depends on uninitialised value(s)
==5831== at 0xCD8587: sparseset_bit_p(sparseset_def*, unsigned long)
(sparseset.h:147)
==5831== by 0xCD8E06: mark_pseudo_live(int, int) (lra-lives.c:268)
==5831== by 0xCD90FB: mark_regno_live(int, machine_mode, int)
(lra-lives.c:325)
==5831== by 0xCDA9E0: process_bb_lives(basic_block_def*, int&, bool)
(lra-lives.c:855)
==5831== by 0xCDBFDC: lra_create_live_ranges_1(bool, bool)
(lra-lives.c:1255)
==5831== by 0xCDC2BB: lra_create_live_ranges(bool, bool) (lra-lives.c:1320)
==5831== by 0xCB82BF: lra(_IO_FILE*) (lra.c:2450)
==5831== by 0xC63D56: do_reload() (ira.c:5381)
==5831== by 0xC641EE: (anonymous namespace)::pass_reload::execute(function*)
(ira.c:5565)
==5831== by 0xD95BE3: execute_one_pass(opt_pass*) (passes.c:2370)
==5831== by 0xD95F33: execute_pass_list_1(opt_pass*) (passes.c:2459)
==5831== by 0xD95F64: execute_pass_list_1(opt_pass*) (passes.c:2460)
==5831==
==5831== Conditional jump or move depends on uninitialised value(s)
==5831== at 0xCD8587: sparseset_bit_p(sparseset_def*, unsigned long)
(sparseset.h:147)
==5831== by 0xCD8619: sparseset_set_bit(sparseset_def*, unsigned long)
(sparseset.h:166)
==5831== by 0xCD8E36: mark_pseudo_live(int, int) (lra-lives.c:269)
==5831== by 0xCD90FB: mark_regno_live(int, machine_mode, int)
(lra-lives.c:325)
==5831== by 0xCDA9E0: process_bb_lives(basic_block_def*, int&, bool)
(lra-lives.c:855)
==5831== by 0xCDBFDC: lra_create_live_ranges_1(bool, bool)
(lra-lives.c:1255)
==5831== by 0xCDC2BB: lra_create_live_ranges(bool, bool) (lra-lives.c:1320)
==5831== by 0xCB82BF: lra(_IO_FILE*) (lra.c:2450)
==5831== by 0xC63D56: do_reload() (ira.c:5381)
==5831== by 0xC641EE: (anonymous namespace)::pass_reload::execute(function*)
(ira.c:5565)
==5831== by 0xD95BE3: execute_one_pass(opt_pass*) (passes.c:2370)
==5831== by 0xD95F33: execute_pass_list_1(opt_pass*) (passes.c:2459)
==5831==
==5831== Conditional jump or move depends on uninitialised value(s)
==5831== at 0xCD8587: sparseset_bit_p(sparseset_def*, unsigned long)
(sparseset.h:147)
==5831== by 0xCD8619: sparseset_set_bit(sparseset_def*, unsigned long)
(sparseset.h:166)
==5831== by 0xCD8F62: mark_pseudo_live(int, int) (lra-lives.c:277)
==5831== by 0xCD90FB: mark_regno_live(int, machine_mode, int)
(lra-lives.c:325)
==5831== by 0xCDA9E0: process_bb_lives(basic_block_def*, int&, bool)
(lra-lives.c:855)
==5831== by 0xCDBFDC: lra_create_live_ranges_1(bool, bool)
(lra-lives.c:1255)
==5831== by 0xCDC2BB: lra_create_live_ranges(bool, bool) (lra-lives.c:1320)
==5831== by 0xCB82BF: lra(_IO_FILE*) (lra.c:2450)
==5831== by 0xC63D56: do_reload() (ira.c:5381)
==5831== by 0xC641EE: (anonymous namespace)::pass_reload::execute(function*)
(ira.c:5565)
==5831== by 0xD95BE3: execute_one_pass(opt_pass*) (passes.c:2370)
==5831== by 0xD95F33: execute_pass_list_1(opt_pass*) (passes.c:2459)
==5831==
==5831== Conditional jump or move depends on uninitialised value(s)
==5831== at 0xE91AB2: sparseset_bit_p(sparseset_def*, unsigned long)
(sparseset.h:147)
==5831== by 0xE921C4: sparseset_and_compl(sparseset_def*, sparseset_def*,
sparseset_def*) (sparseset.c:190)
==5831== by 0xCDAADC: process_bb_lives(basic_block_def*, int&, bool)
(lra-lives.c:870)
==5831== by 0xCDBFDC: lra_create_live_ranges_1(bool, bool)
(lra-lives.c:1255)
==5831== by 0xCDC2BB: lra_create_live_ranges(bool, bool) (lra-lives.c:1320)
==5831== by 0xCB82BF: lra(_IO_FILE*) (lra.c:2450)
==5831== by 0xC63D56: do_reload() (ira.c:5381)
==5831== by 0xC641EE: (anonymous namespace)::pass_reload::execute(function*)
(ira.c:5565)
==5831== by 0xD95BE3: execute_one_pass(opt_pass*) (passes.c:2370)
==5831== by 0xD95F33: execute_pass_list_1(opt_pass*) (passes.c:2459)
==5831== by 0xD95F64: execute_pass_list_1(opt_pass*) (passes.c:2460)
==5831== by 0xD95FBA: execute_pass_list(function*, opt_pass*)
(passes.c:2470)
==5831==
==5831== Use of uninitialised value of size 8
==5831== at 0xE91AC6: sparseset_bit_p(sparseset_def*, unsigned long)
(sparseset.h:147)
==5831== by 0xE921C4: sparseset_and_compl(sparseset_def*, sparseset_def*,
sparseset_def*) (sparseset.c:190)
==5831== by 0xCDAADC: process_bb_lives(basic_block_def*, int&, bool)
(lra-lives.c:870)
==5831== by 0xCDBFDC: lra_create_live_ranges_1(bool, bool)
(lra-lives.c:1255)
==5831== by 0xCDC2BB: lra_create_live_ranges(bool, bool) (lra-lives.c:1320)
==5831== by 0xCB82BF: lra(_IO_FILE*) (lra.c:2450)
==5831== by 0xC63D56: do_reload() (ira.c:5381)
==5831== by 0xC641EE: (anonymous namespace)::pass_reload::execute(function*)
(ira.c:5565)
==5831== by 0xD95BE3: execute_one_pass(opt_pass*) (passes.c:2370)
==5831== by 0xD95F33: execute_pass_list_1(opt_pass*) (passes.c:2459)
==5831== by 0xD95F64: execute_pass_list_1(opt_pass*) (passes.c:2460)
==5831== by 0xD95FBA: execute_pass_list(function*, opt_pass*)
(passes.c:2470)
==5831==
==5831== Conditional jump or move depends on uninitialised value(s)
==5831== at 0xE91AB2: sparseset_bit_p(sparseset_def*, unsigned long)
(sparseset.h:147)
==5831== by 0xE91B44: sparseset_set_bit(sparseset_def*, unsigned long)
(sparseset.h:166)
==5831== by 0xE921DE: sparseset_and_compl(sparseset_def*, sparseset_def*,
sparseset_def*) (sparseset.c:191)
==5831== by 0xCDAADC: process_bb_lives(basic_block_def*, int&, bool)
(lra-lives.c:870)
==5831== by 0xCDBFDC: lra_create_live_ranges_1(bool, bool)
(lra-lives.c:1255)
==5831== by 0xCDC2BB: lra_create_live_ranges(bool, bool) (lra-lives.c:1320)
==5831== by 0xCB82BF: lra(_IO_FILE*) (lra.c:2450)
==5831== by 0xC63D56: do_reload() (ira.c:5381)
==5831== by 0xC641EE: (anonymous namespace)::pass_reload::execute(function*)
(ira.c:5565)
==5831== by 0xD95BE3: execute_one_pass(opt_pass*) (passes.c:2370)
==5831== by 0xD95F33: execute_pass_list_1(opt_pass*) (passes.c:2459)
==5831== by 0xD95F64: execute_pass_list_1(opt_pass*) (passes.c:2460)
==5831==
==5831== Conditional jump or move depends on uninitialised value(s)
==5831== at 0xCD8587: sparseset_bit_p(sparseset_def*, unsigned long)
(sparseset.h:147)
==5831== by 0xCD8619: sparseset_set_bit(sparseset_def*, unsigned long)
(sparseset.h:166)
==5831== by 0xCD8FF4: mark_pseudo_dead(int, int) (lra-lives.c:292)
==5831== by 0xCD91A3: mark_regno_dead(int, machine_mode, int)
(lra-lives.c:354)
==5831== by 0xCDA6E3: process_bb_lives(basic_block_def*, int&, bool)
(lra-lives.c:807)
==5831== by 0xCDBFDC: lra_create_live_ranges_1(bool, bool)
(lra-lives.c:1255)
==5831== by 0xCDC2BB: lra_create_live_ranges(bool, bool) (lra-lives.c:1320)
==5831== by 0xCB82BF: lra(_IO_FILE*) (lra.c:2450)
==5831== by 0xC63D56: do_reload() (ira.c:5381)
==5831== by 0xC641EE: (anonymous namespace)::pass_reload::execute(function*)
(ira.c:5565)
==5831== by 0xD95BE3: execute_one_pass(opt_pass*) (passes.c:2370)
==5831== by 0xD95F33: execute_pass_list_1(opt_pass*) (passes.c:2459)
==5831==
==5831== Conditional jump or move depends on uninitialised value(s)
==5831== at 0xCD8587: sparseset_bit_p(sparseset_def*, unsigned long)
(sparseset.h:147)
==5831== by 0xCD8619: sparseset_set_bit(sparseset_def*, unsigned long)
(sparseset.h:166)
==5831== by 0xCD8C05: make_hard_regno_born(int, bool) (lra-lives.c:236)
==5831== by 0xCD90BF: mark_regno_live(int, machine_mode, int)
(lra-lives.c:319)
==5831== by 0xCDA9E0: process_bb_lives(basic_block_def*, int&, bool)
(lra-lives.c:855)
==5831== by 0xCDBFDC: lra_create_live_ranges_1(bool, bool)
(lra-lives.c:1255)
==5831== by 0xCDC2BB: lra_create_live_ranges(bool, bool) (lra-lives.c:1320)
==5831== by 0xCB82BF: lra(_IO_FILE*) (lra.c:2450)
==5831== by 0xC63D56: do_reload() (ira.c:5381)
==5831== by 0xC641EE: (anonymous namespace)::pass_reload::execute(function*)
(ira.c:5565)
==5831== by 0xD95BE3: execute_one_pass(opt_pass*) (passes.c:2370)
==5831== by 0xD95F33: execute_pass_list_1(opt_pass*) (passes.c:2459)
==5831==
==5831==
==5831== HEAP SUMMARY:
==5831== in use at exit: 1,608,570 bytes in 2,264 blocks
==5831== total heap usage: 5,135 allocs, 2,871 frees, 3,621,619 bytes
allocated
==5831==
==5831== LEAK SUMMARY:
==5831== definitely lost: 0 bytes in 0 blocks
==5831== indirectly lost: 0 bytes in 0 blocks
==5831== possibly lost: 8,032 bytes in 1 blocks
==5831== still reachable: 1,600,538 bytes in 2,263 blocks
==5831== suppressed: 0 bytes in 0 blocks
==5831== Rerun with --leak-check=full to see details of leaked memory
==5831==
==5831== For counts of detected and suppressed errors, rerun with: -v
==5831== Use --track-origins=yes to see where uninitialised values come from
==5831== ERROR SUMMARY: 37 errors from 14 contexts (suppressed: 0 from 0)
>From gcc-bugs-return-544393-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 18:19:59 2016
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From: "law at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/25128] [m68k] Suboptimal comparisons against 65536
Date: Mon, 21 Nov 2016 18:20:00 -0000
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--- Comment #3 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Author: law
Date: Mon Nov 21 18:19:12 2016
New Revision: 242676
URL: https://gcc.gnu.org/viewcvs?rev=242676&root=gcc&view=rev
Log:
PR target/25128
* config/m68k/predicates.md (swap_peephole_relational_operator): New
predicate.
* config/m68k/m68k.md (relational tests against 65535/65536): New
peephole2.
PR target/25128
* gcc.target/m68k/pr25128.c: New test.
Added:
trunk/gcc/testsuite/gcc.target/m68k/pr25128.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/m68k/m68k.md
trunk/gcc/config/m68k/predicates.md
trunk/gcc/testsuite/ChangeLog
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Subject: [Bug target/25128] [m68k] Suboptimal comparisons against 65536
Date: Mon, 21 Nov 2016 18:23:00 -0000
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Jeffrey A. Law <law at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |law at redhat dot com
Resolution|--- |FIXED
--- Comment #4 from Jeffrey A. Law <law at redhat dot com> ---
Fixed on the trunk.
>From gcc-bugs-return-544395-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 18:23:33 2016
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Subject: [Bug c++/70909] Libiberty Demangler segfaults (4)
Date: Mon, 21 Nov 2016 18:30:00 -0000
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--- Comment #15 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
Thanks for the testcase.
Marcel's patch fixes the segfault, but doesn't demangle the symbol.
markus@x4 libiberty % ./a.out
_ZSt7forwardIR17predicate_matcherIZ11any_matcherIiEDavEUlOT_E_13typed_matcherIiEEES3_RNSt16remove_referenceIS2_E4typeE
typed name
template
qualified name
name 'std'
name 'forward'
template argument list
reference
template
name 'predicate_matcher'
template argument list
local name
typed name
template
name 'any_matcher'
template argument list
builtin type int
function type
name 'auto'
argument list
lambda 0
argument list
rvalue reference
template parameter 0
template argument list
template
name 'typed_matcher'
template argument list
builtin type int
function type
rvalue reference
template parameter 0
argument list
reference
qualified name
template
qualified name
standard substitution std
name 'remove_reference'
template argument list
template parameter 0
name 'type'
Failed:
_ZSt7forwardIR17predicate_matcherIZ11any_matcherIiEDavEUlOT_E_13typed_matcherIiEEES3_RNSt16remove_referenceIS2_E4typeE
libc++abi demangler gives:
int&& std::forward<predicate_matcher<auto any_matcher<int>()::'lambda'(int&&),
typed_matcher<int> >&>(std::remove_reference<int>::type&)
>From gcc-bugs-return-544396-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 18:30:25 2016
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Subject: [Bug fortran/68544] ICE trying to pass derived type constructor as a function
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Gerhard Steinmetz <gerhard.steinmetz.fortran@t-online.de> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |gerhard.steinmetz.fortran@t
| |-online.de
--- Comment #3 from Gerhard Steinmetz <gerhard.steinmetz.fortran@t-online.de> ---
Update :
$ cat z1.f90
program p
type t
end type
call f(t)
end
$ gfortran-7-20161120 z1.f90
z1.f90:2:0:
type t
internal compiler error: Segmentation fault
0xc4265f crash_signal
../../gcc/toplev.c:333
0x74c990 gfc_sym_identifier
../../gcc/fortran/trans-decl.c:339
0x74e2e3 build_function_decl
../../gcc/fortran/trans-decl.c:2197
0x75806a gfc_get_symbol_decl(gfc_symbol*)
../../gcc/fortran/trans-decl.c:1622
0x77005f gfc_conv_variable
../../gcc/fortran/trans-expr.c:2494
0x76bcf2 gfc_conv_expr(gfc_se*, gfc_expr*)
../../gcc/fortran/trans-expr.c:7704
0x773aa6 gfc_conv_expr_reference(gfc_se*, gfc_expr*)
../../gcc/fortran/trans-expr.c:7804
0x767220 gfc_conv_procedure_call(gfc_se*, gfc_symbol*, gfc_actual_arglist*,
gfc_expr*, vec<tree_node*, va_gc, vl_embed>*)
../../gcc/fortran/trans-expr.c:5169
0x7b0fe4 gfc_trans_call(gfc_code*, bool, tree_node*, tree_node*, bool)
../../gcc/fortran/trans-stmt.c:407
0x72c59a trans_code
../../gcc/fortran/trans.c:1774
0x75c578 gfc_generate_function_code(gfc_namespace*)
../../gcc/fortran/trans-decl.c:6261
0x6e53e0 translate_all_program_units
../../gcc/fortran/parse.c:6038
0x6e53e0 gfc_parse_file()
../../gcc/fortran/parse.c:6238
0x729052 gfc_be_parse_file
../../gcc/fortran/f95-lang.c:202
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Subject: [Bug fortran/68544] ICE trying to pass derived type constructor as a function
Date: Mon, 21 Nov 2016 18:32:00 -0000
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--- Comment #4 from Gerhard Steinmetz <gerhard.steinmetz.fortran@t-online.de> ---
Invalid code with a function :
$ cat z2.f90
program p
type t
end type
print *, f(t)
end
$ gfortran-7-20161120 z2.f90
z2.f90:2:0:
type t
internal compiler error: Segmentation fault
0xc4265f crash_signal
../../gcc/toplev.c:333
0x74c990 gfc_sym_identifier
../../gcc/fortran/trans-decl.c:339
0x74e2e3 build_function_decl
../../gcc/fortran/trans-decl.c:2197
0x75806a gfc_get_symbol_decl(gfc_symbol*)
../../gcc/fortran/trans-decl.c:1622
0x77005f gfc_conv_variable
../../gcc/fortran/trans-expr.c:2494
0x76bcf2 gfc_conv_expr(gfc_se*, gfc_expr*)
../../gcc/fortran/trans-expr.c:7704
0x773aa6 gfc_conv_expr_reference(gfc_se*, gfc_expr*)
../../gcc/fortran/trans-expr.c:7804
0x767220 gfc_conv_procedure_call(gfc_se*, gfc_symbol*, gfc_actual_arglist*,
gfc_expr*, vec<tree_node*, va_gc, vl_embed>*)
../../gcc/fortran/trans-expr.c:5169
0x76bcd2 gfc_conv_expr(gfc_se*, gfc_expr*)
../../gcc/fortran/trans-expr.c:7696
0x7737d8 gfc_conv_expr_reference(gfc_se*, gfc_expr*)
../../gcc/fortran/trans-expr.c:7831
0x79a586 gfc_trans_transfer(gfc_code*)
../../gcc/fortran/trans-io.c:2482
0x72c237 trans_code
../../gcc/fortran/trans.c:1902
0x7972e0 build_dt
../../gcc/fortran/trans-io.c:1980
0x72c257 trans_code
../../gcc/fortran/trans.c:1874
0x75c578 gfc_generate_function_code(gfc_namespace*)
../../gcc/fortran/trans-decl.c:6261
0x6e53e0 translate_all_program_units
../../gcc/fortran/parse.c:6038
0x6e53e0 gfc_parse_file()
../../gcc/fortran/parse.c:6238
0x729052 gfc_be_parse_file
../../gcc/fortran/f95-lang.c:202
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Subject: [Bug fortran/68544] ICE trying to pass derived type constructor as a function
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--- Comment #5 from Gerhard Steinmetz <gerhard.steinmetz.fortran@t-online.de> ---
Affects several intrinsic functions/subroutines ...
$ cat z7.f90
program p
type t
end type
print *, atomic_define(t)
print *, atomic_ref(t)
print *, coshape(t)
print *, cpu_time(t)
print *, date_and_time(t)
print *, execute_command_line(t)
print *, findloc(t)
print *, get_command(t)
print *, get_command_argument(t)
print *, get_environment_variable(t)
print *, is_contiguous(t)
print *, move_alloc(t)
print *, mvbits(t)
print *, out_of_range(t)
print *, random_init(t)
print *, random_number(t)
print *, random_seed(t)
print *, rank(t)
print *, reduce(t)
print *, system_clock(t)
end
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Subject: [Bug fortran/68544] ICE trying to pass derived type constructor as a function
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--- Comment #6 from Gerhard Steinmetz <gerhard.steinmetz.fortran@t-online.de> ---
These snippets are silently accepted (t is not an array nor a scalar).
$ cat z3.f90
program p
type t
end type
print *, shape(t)
end
$ gfortran-7-20161120 -Wall -fcheck=all z3.f90
$ a.out
$
---
$ cat z4.f90
subroutine s(t)
type t
end type
end
$ gfortran-7-20161120 -c z4.f90
$
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Subject: [Bug middle-end/78454] valgrind conditional jump or move depends on uninitialised value(s) in sparseset_bit_p
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Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
CC| |trippels at gcc dot gnu.org
--- Comment #1 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
Did you configure gcc with --enable-valgrind-annotations?
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To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/54689] sparseset.h:147 Conditional jump or move depends on uninitialised value(s)
Date: Mon, 21 Nov 2016 18:51:00 -0000
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Martin Sebor <msebor at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
CC| |msebor at gcc dot gnu.org
--- Comment #3 from Martin Sebor <msebor at gcc dot gnu.org> ---
*** Bug 78454 has been marked as a duplicate of this bug. ***
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Subject: [Bug middle-end/78454] valgrind conditional jump or move depends on uninitialised value(s) in sparseset_bit_p
Date: Mon, 21 Nov 2016 18:55:00 -0000
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Martin Sebor <msebor at gcc dot gnu.org> changed:
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--- Comment #2 from Martin Sebor <msebor at gcc dot gnu.org> ---
As suggested in comment #1, configuring GCC with --enable-valgrind-annotations
is needed. Unfortunately, after that, a build fails with the errors below:
checking for valgrind.h... no
checking for VALGRIND_DISCARD in <valgrind/memcheck.h>... no
checking for VALGRIND_DISCARD in <memcheck.h>... no
configure: error: *** Can't find valgrind/memcheck.h, memcheck.h or valgrind.h
Makefile:4286: recipe for target 'configure-stage1-gcc' failed
make[1]: *** [configure-stage1-gcc] Error 1
It seems that valgrind-devel needs to be installed in order for this to work
(it would be nice if the top-level configure warned or failed when it isn't).
With these problems out of the way though, the Valgrind errors disappear.
Reverting r190503 brings them back, so it did indeed fix the referenced bug
54689. I'm going to resolve this bug as a duplicate of the older one. I've
also updated the Debugging GCC Wiki page
(https://gcc.gnu.org/wiki/DebuggingGCC) to mention this.
*** This bug has been marked as a duplicate of bug 54689 ***
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Subject: [Bug c++/71973] c++ handles built-in functions inconsistently
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--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Mon Nov 21 18:55:11 2016
New Revision: 242677
URL: https://gcc.gnu.org/viewcvs?rev=242677&root=gcc&view=rev
Log:
PR c++/71973
* g++.dg/torture/pr53321.C (size_t): Use __SIZE_TYPE__ instead of
long unsigned int.
* g++.dg/torture/pr63512.C (::strlen): Use __SIZE_TYPE__ instead of
unsigned long.
Modified:
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/g++.dg/torture/pr53321.C
trunk/gcc/testsuite/g++.dg/torture/pr63512.C
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Subject: [Bug tree-optimization/78428] [5/6/7 Regression] wrong code at -O2 and -O3 on x86_64-linux-gnu in 64-bit mode
Date: Mon, 21 Nov 2016 19:18:00 -0000
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--- Comment #4 from H.J. Lu <hjl.tools at gmail dot com> ---
Before r218818, struct of 12 bytes is aligned at 4 bytes without -Os
and 8 bytes with -Os. After r218818, it is always aligned at 8 bytes,
which triggers struct store memory leak:
movq %rax, b+8(%rip)
Since b is 12 bytes and a is placed next to b, it overrides a.
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Subject: [Bug middle-end/67335] [6/7 Regression] ICE in compiling omp simd function with unused argument
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--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Mon Nov 21 19:17:36 2016
New Revision: 242678
URL: https://gcc.gnu.org/viewcvs?rev=242678&root=gcc&view=rev
Log:
PR middle-end/67335
* omp-simd-clone.c (simd_clone_adjust_argument_types): Use NULL prefix
for tmp simd array if DECL_NAME (parm) is NULL.
* g++.dg/vect/simd-clone-7.cc: New test.
Added:
trunk/gcc/testsuite/g++.dg/vect/simd-clone-7.cc
Modified:
trunk/gcc/ChangeLog
trunk/gcc/omp-simd-clone.c
trunk/gcc/testsuite/ChangeLog
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Subject: [Bug target/68538] ICE in gen_reg_rtx, at emit-rtl.c:1027 when cross-compiling for cris-linux-gnu target
Date: Mon, 21 Nov 2016 19:34:00 -0000
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Jeffrey A. Law <law at redhat dot com> changed:
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----------------------------------------------------------------------------
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--- Comment #3 from Jeffrey A. Law <law at redhat dot com> ---
This is still a problem on the trunk. I'm not at all familiar with the CRIS
port, but ISTM that we should never be calling copy_to_mode_reg when
!can_create_pseudo_p because copy_to_mode_reg always creates a new pseudo.
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Subject: [Bug tree-optimization/78428] [5/6/7 Regression] wrong code at -O2 and -O3 on x86_64-linux-gnu in 64-bit mode
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Martin Liška <marxin at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
Assignee|unassigned at gcc dot gnu.org |marxin at gcc dot gnu.org
--- Comment #5 from Martin Liška <marxin at gcc dot gnu.org> ---
I'm working on a patch.
>From gcc-bugs-return-544408-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 19:46:57 2016
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From: "janus at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug fortran/78443] [OOP] Incorrect behavior with non_overridable keyword
Date: Mon, 21 Nov 2016 20:00:00 -0000
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janus at gcc dot gnu.org changed:
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----------------------------------------------------------------------------
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--- Comment #3 from janus at gcc dot gnu.org ---
(In reply to janus from comment #2)
> So, what goes wrong is probably the assignment of the TBPs in the vtab.
We simply fail to set the TBP entry for 'square' in the vtabs of C1 and C2.
This patch fixes it and regtests cleanly:
Index: gcc/fortran/class.c
===================================================================
--- gcc/fortran/class.c (Revision 242657)
+++ gcc/fortran/class.c (Arbeitskopie)
@@ -751,9 +751,6 @@ add_proc_comp (gfc_symbol *vtype, const char *name
{
gfc_component *c;
- if (tb->non_overridable)
- return;
-
c = gfc_find_component (vtype, name, true, true, NULL);
if (c == NULL)
With this, the output of the test case becomes ...
square( 2.00000000 ) = -100.000000
square( 2.00000000 ) = 4.00000000
square( 2.00000000 ) = 4.00000000
... which I believe is correct.
Note: The patch may be a bit too strong, but it does no harm. There are cases
where one can avoid having a TBP entry in the vtab, namely if the
non-overridable procedure itself is not overriding a procedure from the parent
class. I'll try to create an improved patch which implements such as check.
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Subject: [Bug tree-optimization/78455] New: [7 Regression] ICE in operator[], at vec.h:732
Date: Mon, 21 Nov 2016 20:05:00 -0000
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Bug ID: 78455
Summary: [7 Regression] ICE in operator[], at vec.h:732
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gcc-7.0.0-alpha20161120 snapshot fails to compile the following reduced snippet
w/ -O2 (-Os, -Og) -Wuninitialized:
int ij;
void
ql (void)
{
int m5 = 0;
for (;;)
{
if (0)
for (;;)
{
int *go;
int *t4 = go;
l1:
*t4 = (*t4 != 0) ? 0 : 2;
}
if (ij != 0)
goto l1;
}
}
% x86_64-unknown-linux-gnu-gcc-7.0.0-alpha20161120 -O2 -Wuninitialized -c
dwgke5h1.c
dwgke5h1.c: In function 'ql':
dwgke5h1.c:4:1: internal compiler error: in operator[], at vec.h:732
ql (void)
^~
r242639 must be a culprit, given that the top of backtrace is this:
Breakpoint 1, 0x00000000013a3db0 in internal_error(char const*, ...) ()
(gdb) where
#0 0x00000000013a3db0 in internal_error(char const*, ...) ()
#1 0x00000000013a22c4 in fancy_abort(char const*, int, char const*) ()
#2 0x0000000000d8e861 in uninit_ops_invalidate_phi_use(gphi*, unsigned int,
vec<vec<pred_info, va_heap, vl_ptr>, va_heap, vl_ptr>) ()
<snip>
>From gcc-bugs-return-544410-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 20:05:01 2016
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Subject: [Bug c++/47877] -fvisibility-inlines-hidden does not hide member template functions
Date: Mon, 21 Nov 2016 20:44:00 -0000
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--- Comment #3 from Jan Engelhardt <jengelh at inai dot de> ---
Hm yes, I begin to see why this was done. Template instantiations show up as
W-type symbols in `nm`, and template specializations are 'T'-type, and both
need to be visible so that the override works.
But only on -O0.
When compiling with -O2, the template instantiations gets inlined and the
symbol (_ZN3Foo3barIS_EEvv in this example) disappears because of
-fvisibility-inlines-hidden and could not possibly be overridden. So template
specializations from elsewhere will have no effect.
...
So IMO we can probably just drop the "!processing_template_decl" part.
>From gcc-bugs-return-544411-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 20:44:52 2016
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Subject: [Bug target/68538] ICE in gen_reg_rtx, at emit-rtl.c:1027 when cross-compiling for cris-linux-gnu target
Date: Mon, 21 Nov 2016 20:50:00 -0000
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Eric Gallager <egall at gwmail dot gwu.edu> changed:
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----------------------------------------------------------------------------
CC| |egall at gwmail dot gwu.edu
--- Comment #4 from Eric Gallager <egall at gwmail dot gwu.edu> ---
After seeing this report, I'm realizing that Bug 71009 which I filed might be a
duplicate of this one; it's also an ICE at the same place in emit-rtl.c for the
same reason of can_create_pseudo_p having an issue. It's just for a different
target though.
>From gcc-bugs-return-544412-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 20:50:37 2016
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Subject: [Bug bootstrap/78453] arm-none-linux-gnueabihf bootstrap failed with revision 242549
Date: Mon, 21 Nov 2016 21:02:00 -0000
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wilco at gcc dot gnu.org changed:
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----------------------------------------------------------------------------
CC| |wilco at gcc dot gnu.org
--- Comment #1 from wilco at gcc dot gnu.org ---
(In reply to amker from comment #0)
> Hi,
> After revision 242549, arm-linux-gnueabihf bootstrap failed with below
> message:
>
> ../../gcc/gcc/edit-context.c: In member function 'void
> edit_context::print_diff(pretty_printer*, bool)':
> ../../gcc/gcc/edit-context.c:299:1: error: insn does not satisfy its
> constraints:
> }
> ^
> (insn 69 17 25 3 (set (mem/f/c:DI (plus:SI (reg/f:SI 13 sp)
> (const_int 8 [0x8])) [39 c.m_outer_cb+0 S8 A64])
> (reg:DI 12 ip)) "../../gcc/gcc/typed-splay-tree.h":56 633
> {*movdi_vfp_cortexa8}
That's a latent bug - see https://patchwork.ozlabs.org/patch/220135/
"In ARM mode only, the pair of registers IP and SP is allowed as operands in
LDRD/STRD. To handle it, this patch defines a new constraint "q" to be
CORE_REGS in ARM mode and GENERAL_REGS (i.e., equivalent to "r") otherwise.
Note that in ARM mode "q" is not equivalent to "rk" because of the way
constraints are matched. The new constraint "q" is used in place of "r" for
DImode move between register and memory."
So "q" is needed for strd on ARM, and this is used by movdi_vfp but not by
movdi_vfp_cortexa8...
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Subject: [Bug c++/78425] Atrtibute warning message location incorrect
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Martin Sebor <msebor at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
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Last reconfirmed| |2016-11-21
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Ever confirmed|0 |1
--- Comment #1 from Martin Sebor <msebor at gcc dot gnu.org> ---
Confirmed. The location information for attributes isn't correct either in C
or in C++ as the following test case shows:
$ cat x.C && /build/gcc-svn/gcc/xgcc -B /build/gcc-svn/gcc -S -Wall -Wextra
-xc++ x.C
#define ARG_NONNULL __attribute__ ((nonnull))
#define RET_NONNULL __attribute__ ((returns_nonnull))
void ARG_NONNULL f0 (void*) RET_NONNULL;
void RET_NONNULL f1 (void*) ARG_NONNULL;
void __attribute__ ((nonnull)) f2 (void*) __attribute__ ((returns_nonnull));
void __attribute__ ((returns_nonnull)) f3 (void*) __attribute__ ((nonnull));
x.C:2:53: error: returns_nonnull attribute on a function not returning a
pointer
#define RET_NONNULL __attribute__ ((returns_nonnull))
^
x.C:4:29: note: in expansion of macro ‘RET_NONNULL’
void ARG_NONNULL f0 (void*) RET_NONNULL;
^~~~~~~~~~~
x.C:1:45: error: returns_nonnull attribute on a function not returning a
pointer
#define ARG_NONNULL __attribute__ ((nonnull))
^
x.C:5:29: note: in expansion of macro ‘ARG_NONNULL’
void RET_NONNULL f1 (void*) ARG_NONNULL;
^~~~~~~~~~~
x.C:7:75: error: returns_nonnull attribute on a function not returning a
pointer
void __attribute__ ((nonnull)) f2 (void*) __attribute__ ((returns_nonnull));
^
x.C:8:75: error: returns_nonnull attribute on a function not returning a
pointer
void __attribute__ ((returns_nonnull)) f3 (void*) __attribute__ ((nonnull));
^
When compiled in C mode the messages are almost as bad (though more obviously
wrong and so less confusing)
x.C:4:1: error: returns_nonnull attribute on a function not returning a pointer
void ARG_NONNULL f0 (void*) RET_NONNULL;
^~~~
x.C:5:1: error: returns_nonnull attribute on a function not returning a pointer
void RET_NONNULL f1 (void*) ARG_NONNULL;
^~~~
x.C:7:1: error: returns_nonnull attribute on a function not returning a pointer
void __attribute__ ((nonnull)) f2 (void*) __attribute__ ((returns_nonnull));
^~~~
x.C:8:1: error: returns_nonnull attribute on a function not returning a pointer
void __attribute__ ((returns_nonnull)) f3 (void*) __attribute__ ((nonnull));
^~~~
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Subject: [Bug c++/78425] Atrtibute warning message location incorrect
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Martin Sebor <msebor at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
Known to fail| |5.3.0, 6.2.0, 7.0
--- Comment #2 from Martin Sebor <msebor at gcc dot gnu.org> ---
Besides 7.0 this also affects both of 6.x and 5.x so it's not a regression.
>From gcc-bugs-return-544415-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 21:14:59 2016
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Subject: [Bug sanitizer/78208] Compile-time hog with -fsanitize=null with operator overloading
Date: Mon, 21 Nov 2016 21:17:00 -0000
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--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
I think the compile-hog would also be visible with -Wduplicated-branches, but
that's not in yet (and it's unclear whether it will make its way in to GCC 7).
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Subject: [Bug fortran/68567] ICE on using wrong defined arrays (different cases/messages)
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--- Comment #2 from Jeffrey A. Law <law at redhat dot com> ---
Fixed on trunk
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Subject: [Bug fortran/77746] [5/6/7 Regression] [F03] Wrong subroutine called, clash of specific procedure name and binding-name
Date: Mon, 21 Nov 2016 21:38:00 -0000
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Subject: [Bug fortran/77680] [5/6/7 Regression] [F03] ICE in ctor_for_folding, at varpool.c:419
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Subject: [Bug middle-end/71682] [7 Regression] Several libjava failures on x86_64-apple-darwin15 with -m32 after r237556
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Jeffrey A. Law <law at redhat dot com> changed:
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--- Comment #2 from Jeffrey A. Law <law at redhat dot com> ---
GCJ/libjava are dead.
>From gcc-bugs-return-544428-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 21:41:05 2016
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Subject: [Bug fortran/66227] [5/6/7 Regression] [OOP] EXTENDS_TYPE_OF n returns wrong result for polymorphic variable allocated to extended type
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Jeffrey A. Law <law at redhat dot com> changed:
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>From gcc-bugs-return-544429-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 21:47:00 2016
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Subject: [Bug target/68538] ICE in gen_reg_rtx, at emit-rtl.c:1027 when cross-compiling for cris-linux-gnu target
Date: Mon, 21 Nov 2016 21:52:00 -0000
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--- Comment #5 from Jeffrey A. Law <law at redhat dot com> ---
No, they are distinct bugs in the target files. In this BZ it's the fault of
the cris backend. In 68538, it appears to be a problem in the x86 backend.
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Subject: [Bug c++/70565] [5/6/7 Regression] ICE at gimplify.c:8832 (cilkplus array extension)
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Jeffrey A. Law <law at redhat dot com> changed:
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Subject: [Bug libstdc++/69782] [6/7 Regression] defining min() macro causes thousand of lines of error messages
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Jeffrey A. Law <law at redhat dot com> changed:
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--- Comment #10 from Jeffrey A. Law <law at redhat dot com> ---
Per c#8/c#9.
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Subject: [Bug fortran/68568] ICE with automatic character object and save, in combination with some options
Date: Mon, 21 Nov 2016 21:56:00 -0000
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--- Comment #4 from Harald Anlauf <anlauf at gmx dot de> ---
(In reply to Gerhard Steinmetz from comment #1)
> And this is detected :
> (The SAVE attribute shall not be specified for an automatic data object.)
>
> $ cat z1b.f90
> subroutine s(n)
> integer, intent(in) :: n
> character(n), save :: x
> x = 'a'
> end
>
> $ gfortran -g -O0 -Wall -fcheck=all -c z1b.f90
> z1b.f90:3:26:
>
> character(n), save :: x
> 1
> Error: Automatic object 'x' at (1) cannot have the SAVE attribute
This is what is specified in the standard. F2015 working document:
C860 The SAVE attribute shall not be specified for a dummy argument, a function
result, an automatic data object, or an object that is in a common block.
So it's an ICE on valid code.
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Subject: [Bug rtl-optimization/71118] [5/6/7 Regression] ftois instruction not emitted for float -> int bitcast
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From: "janus at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug fortran/78443] [OOP] Incorrect behavior with non_overridable keyword
Date: Mon, 21 Nov 2016 21:58:00 -0000
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janus at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |ASSIGNED
Resolution|FIXED |---
--- Comment #4 from janus at gcc dot gnu.org ---
Here is an improved patch:
===================================================================
--- gcc/fortran/class.c (Revision 242657)
+++ gcc/fortran/class.c (Arbeitskopie)
@@ -751,7 +751,7 @@ add_proc_comp (gfc_symbol *vtype, const char *name
{
gfc_component *c;
- if (tb->non_overridable)
+ if (tb->non_overridable && !tb->overridden)
return;
c = gfc_find_component (vtype, name, true, true, NULL);
It gives the same output and regtests cleanly as well.
>From gcc-bugs-return-544435-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 21:58:55 2016
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Subject: [Bug tree-optimization/71351] [7 Regression] ICE: Segmentation fault (graphite)
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Jeffrey A. Law <law at redhat dot com> changed:
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>From gcc-bugs-return-544436-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 21:59:29 2016
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Subject: [Bug tree-optimization/71357] [7 Regression] [graphite] ICE: verify_ssa failed (error: definition in block follows the use for SSA_NAME) w/ -O2 -floop-nest-optimize
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Jeffrey A. Law <law at redhat dot com> changed:
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>From gcc-bugs-return-544437-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 22:01:16 2016
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Subject: [Bug bootstrap/71481] [7 regression] ICE during selftest: input.c: test_reading_source_line
Date: Mon, 21 Nov 2016 22:04:00 -0000
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Jeffrey A. Law <law at redhat dot com> changed:
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--- Comment #11 from Jeffrey A. Law <law at redhat dot com> ---
Fixed on the trunk.
>From gcc-bugs-return-544438-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 22:04:35 2016
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Subject: [Bug ipa/71353] [7 Regression] ICE on valid code at -O1 and above on x86_64-linux-gnu: in binds_to_current_def_p, at symtab.c:2232
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Jeffrey A. Law <law at redhat dot com> changed:
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--- Comment #3 from Jeffrey A. Law <law at redhat dot com> ---
Duplicate
*** This bug has been marked as a duplicate of bug 77674 ***
>From gcc-bugs-return-544441-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 22:05:02 2016
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Subject: [Bug middle-end/71524] [7 Regression] internal compiler error: in binds_to_current_def_p, at symtab.c:2232
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Jeffrey A. Law <law at redhat dot com> changed:
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----------------------------------------------------------------------------
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--- Comment #4 from Jeffrey A. Law <law at redhat dot com> ---
Duplicate
*** This bug has been marked as a duplicate of bug 77674 ***
>From gcc-bugs-return-544440-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 22:05:02 2016
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Subject: [Bug ipa/77674] [7 Regression] ICE in binds_to_current_def_p with -fkeep-inline-functions
Date: Mon, 21 Nov 2016 22:05:00 -0000
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Jeffrey A. Law <law at redhat dot com> changed:
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CC| |hjl.tools at gmail dot com
--- Comment #4 from Jeffrey A. Law <law at redhat dot com> ---
*** Bug 71524 has been marked as a duplicate of this bug. ***
>From gcc-bugs-return-544443-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 22:05:30 2016
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Subject: [Bug c++/71616] [7 Regression] ICE on valid C++ code at -O1 and above on x86_64-linux-gnu: in binds_to_current_def_p, at symtab.c:2232
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Jeffrey A. Law <law at redhat dot com> changed:
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--- Comment #3 from Jeffrey A. Law <law at redhat dot com> ---
Duplicate
*** This bug has been marked as a duplicate of bug 77674 ***
>From gcc-bugs-return-544439-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 22:04:36 2016
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Subject: [Bug ipa/77674] [7 Regression] ICE in binds_to_current_def_p with -fkeep-inline-functions
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Jeffrey A. Law <law at redhat dot com> changed:
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--- Comment #3 from Jeffrey A. Law <law at redhat dot com> ---
*** Bug 71353 has been marked as a duplicate of this bug. ***
>From gcc-bugs-return-544442-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 22:05:30 2016
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Subject: [Bug ipa/77674] [7 Regression] ICE in binds_to_current_def_p with -fkeep-inline-functions
Date: Mon, 21 Nov 2016 22:12:00 -0000
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--- Comment #5 from Jeffrey A. Law <law at redhat dot com> ---
*** Bug 71616 has been marked as a duplicate of this bug. ***
>From gcc-bugs-return-544444-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 22:12:27 2016
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Subject: [Bug tree-optimization/71751] [7 Regression] Segmentation fault in ssa_default_def
Date: Mon, 21 Nov 2016 22:14:00 -0000
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Jeffrey A. Law <law at redhat dot com> changed:
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From: "bernd.edlinger at hotmail dot de" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug bootstrap/78453] arm-none-linux-gnueabihf bootstrap failed with revision 242549
Date: Mon, 21 Nov 2016 22:15:00 -0000
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--- Comment #2 from Bernd Edlinger <bernd.edlinger at hotmail dot de> ---
Yes, thanks.
I was using --with-tune=cortex-a9 in my bootstrap.
Therefore I had not seen this in my testing.
Can you post a patch?
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Subject: [Bug middle-end/77262] [7 regression] Several libjava tests FAIL on 32-bit Solaris/x86
Date: Mon, 21 Nov 2016 22:16:00 -0000
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Jeffrey A. Law <law at redhat dot com> changed:
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--- Comment #5 from Jeffrey A. Law <law at redhat dot com> ---
GCJ/libjava is dead
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Subject: [Bug tree-optimization/77318] [7 regression] FAIL: gfortran.dg/graphite/pr68279.f90 -O (internal compiler error)
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Subject: [Bug tree-optimization/77362] [6/7 Regression] [graphite] ICE in sese_build_liveouts_use w/ -O2 -floop-nest-optimize
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Subject: [Bug fortran/68568] ICE with automatic character object and save, in combination with some options
Date: Mon, 21 Nov 2016 22:19:00 -0000
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--- Comment #5 from Harald Anlauf <anlauf at gmx dot de> ---
The original testcase hits an assert in trans-decl.c:1704
1698 /* Associate names can use the hidden string length variable
1699 of their associated target. */
1700 if (sym->ts.type == BT_CHARACTER
1701 && TREE_CODE (length) != INTEGER_CST)
1702 {
1703 gfc_finish_var_decl (length, sym);
1704 gcc_assert (!sym->value);
1705 }
1706
1707 gfc_finish_var_decl (decl, sym);
If the assert is removed, the testcase compiles.
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Subject: [Bug debug/77589] [6/7 Regression] fortran: Missing DW_AT_byte_stride for an array record field selection
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Subject: [Bug fortran/78456] New: [6/7 Regression] 171.swim loops not interchanged, vectorized perf loss on aarch64
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Bug ID: 78456
Summary: [6/7 Regression] 171.swim loops not interchanged,
vectorized perf loss on aarch64
Product: gcc
Version: 6.2.0
Status: UNCONFIRMED
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Priority: P3
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Created attachment 40102
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40102&action=edit
test case
When debugging a perf regression in 171.swim after moving to gfortran 6.2.0, I
notice that a nested loop in MAIN is not being interchanged, causing
sub-optimal vectorization in this case. A simplified test case is attached
with an excerpt shown here:
DO 3500 I = 1, MNMIN
DO 4500 J = 1, MNMIN
FOO = FOO + ABS(X0(I,J))
BAR = BAR + ABS(X1(I,J))
BAZ = BAZ + ABS(X2(I,J))
4500 CONTINUE
X1(I,I) = X1(I,I)
1 * ( MOD (I, 100) /100.)
3500 CONTINUE
In 4.8.2, the compiler generates the sequence:
230: 4cdf7e47 ld1 {v7.2d}, [x18], #16
234: 4cdf7fd0 ld1 {v16.2d}, [x30], #16
238: 4cdf7c34 ld1 {v20.2d}, [x1], #16
23c: 4ee0f8f5 fabs v21.2d, v7.2d
240: 4ee0fa16 fabs v22.2d, v16.2d
244: 4ee0fa97 fabs v23.2d, v20.2d
248: 4e75d400 fadd v0.2d, v0.2d, v21.2d
24c: 4e76d421 fadd v1.2d, v1.2d, v22.2d
250: 4e77d442 fadd v2.2d, v2.2d, v23.2d
In 6.2.0 and on the trunk, I'm seeing the values assembled from multiple
locations since the missing loop interchange means it doesn't use adjacent
values:
2c8: fc606834 ldr d20, [x1,x0]
2cc: 52800050 mov w16, #0x2 // #2
2d0: d294dc0e mov x14, #0xa6e0 // #42720
2d4: 6b14021f cmp w16, w20
2d8: fc606bd6 ldr d22, [x30,x0]
2dc: fc6068f7 ldr d23, [x7,x0]
2e0: 8b0d0000 add x0, x0, x13
2e4: fd69b835 ldr d21, [x1,#21360]
2e4: fd69b835 ldr d21, [x1,#21360]
2e8: 6e0806b0 mov v16.d[0], v21.d[0]
2ec: 6e180690 mov v16.d[1], v20.d[0]
2f0: 4ee0fa19 fabs v25.2d, v16.2d
2f4: fd69bbd8 ldr d24, [x30,#21360]
2f8: 6e080706 mov v6.d[0], v24.d[0]
2fc: 6e1806c6 mov v6.d[1], v22.d[0]
300: 4ee0f8db fabs v27.2d, v6.2d
304: fd69b8fd ldr d29, [x7,#21360]
308: 6e0807a7 mov v7.d[0], v29.d[0]
30c: 6e1806e7 mov v7.d[1], v23.d[0]
310: 4ee0f8fe fabs v30.2d, v7.2d
314: 4e79d75a fadd v26.2d, v26.2d, v25.2d
318: 4e7bd79c fadd v28.2d, v28.2d, v27.2d
31c: 4e7ed7ff fadd v31.2d, v31.2d, v30.2d
Flags used: -O3 -march=armv8-a+crypto -mcpu=cortex-a57+crypto -ffast-math
-funroll-loops -fvect-cost-model=unlimited -floop-interchange -g -c -o sink.o
sink.f
I understand -floop-interchange is now an alias for -floop-nest-optimize but am
wondering why this case wasn't interchanged. The perf difference seems
significant for this case. Manually swapping the loop indices in the source
causes the better code sequence to be generated.
Behaves similarly for gfortran 6.2.0 and trunk, built using:
configure 'CFLAGS_FOR_TARGET=-march=armv8-a -mcpu=cortex-a57 -O3'
'CXXFLAGS_FOR_TARGET=-march=armv8-a -mcpu=cortex-a57 -O3'
--prefix=/home/gcc-aarch64/6.2.0-linux-gnu --target=aarch64-linux-gnu
--with-sysroot=/home/gcc-aarch64/6.2.0-linux-gnu/sysroot --enable-__cxa_atexit
--with-gnu-as --with-gnu-ld --enable-shared --disable-libssp
--disable-libmudflap --enable-languages=c,c++,fortran --disable-libsanitizer
--disable-nls
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Subject: [Bug fortran/68568] ICE with automatic character object and save, in combination with some options
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--- Comment #6 from Harald Anlauf <anlauf at gmx dot de> ---
(In reply to Dominique d'Humieres from comment #3)
> Confirmed from 4.8 up to trunk (6.0).
I don't get an ICE with 4.6, but I do with 4.7.4.
So technically a regression.
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Subject: [Bug target/78438] [7 Regression] incorrect comparison optimization
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Subject: [Bug tree-optimization/78436] [7 Regression] incorrect write to larger-than-type bitfield (signed char x:9)
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Subject: [Bug target/68803] gcc.vect/powerpc/20050603-3.c failures since r230167
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--- Comment #9 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Author: segher
Date: Mon Nov 21 22:29:34 2016
New Revision: 242681
URL: https://gcc.gnu.org/viewcvs?rev=242681&root=gcc&view=rev
Log:
rs6000: rl[wd]imi without shift/rotate (PR68803)
We didn't have patterns yet for rl[wd]imi insns that do a rotate by 0.
This fixes it.
PR target/68803
* config/rs6000/rs6000.md (*rotlsi3_insert_5, *rotldi3_insert_6,
*rotldi3_insert_7): New define_insns.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/rs6000/rs6000.md
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Jeffrey A. Law <law at redhat dot com> changed:
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>From gcc-bugs-return-544460-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 22:33:14 2016
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Subject: [Bug middle-end/77766] [7 Regression] wrong code at -O2 and -O3 in 64-bit mode on x86_64-linux-gnu (executable hangs)
Date: Mon, 21 Nov 2016 22:34:00 -0000
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Jeffrey A. Law <law at redhat dot com> changed:
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>From gcc-bugs-return-544462-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 22:34:41 2016
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Subject: [Bug target/77728] [5/6/7 Regression] Miscompilation multiple vector iteration on ARM
Date: Mon, 21 Nov 2016 22:35:00 -0000
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Jeffrey A. Law <law at redhat dot com> changed:
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>From gcc-bugs-return-544463-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 22:35:07 2016
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Subject: [Bug tree-optimization/77673] [5/6/7 Regression] 4-byte load generated instead of 1-byte load, possibly reading past the end of object
Date: Mon, 21 Nov 2016 22:35:00 -0000
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Jeffrey A. Law <law at redhat dot com> changed:
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>From gcc-bugs-return-544464-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 22:35:23 2016
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Subject: [Bug tree-optimization/78455] [7 Regression] ICE in operator[], at vec.h:732
Date: Mon, 21 Nov 2016 22:36:00 -0000
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Jakub Jelinek <jakub at gcc dot gnu.org> changed:
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Last reconfirmed| |2016-11-21
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--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Yes, confirmed r242639.
>From gcc-bugs-return-544466-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 22:37:10 2016
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Subject: [Bug target/77439] [6/7 regression] wrong code for sibcall with longcall, APCS frame and VFP
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Jeffrey A. Law <law at redhat dot com> changed:
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>From gcc-bugs-return-544465-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 22:36:07 2016
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Subject: [Bug rtl-optimization/77541] [7 Regression] wrong code with 512bit vectors of int128 @ -O1
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Jeffrey A. Law <law at redhat dot com> changed:
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>From gcc-bugs-return-544467-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 22:37:10 2016
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Subject: [Bug tree-optimization/40921] missed optimization: x + (-y * z * z) => x - y * z * z
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kugan at gcc dot gnu.org changed:
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--- Comment #6 from kugan at gcc dot gnu.org ---
Fixed in trunk.
>From gcc-bugs-return-544468-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 22:39:18 2016
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Subject: [Bug rtl-optimization/72488] [7 Regression] wrong code (SIGFPE) at -Os and above on x86_64-linux-gnu (in the 64-bit mode)
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>From gcc-bugs-return-544469-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 22:40:42 2016
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Subject: [Bug tree-optimization/71408] [7 Regression] wrong code at -Os and above on x86_64-linux-gnu
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Jeffrey A. Law <law at redhat dot com> changed:
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Subject: [Bug fortran/78456] [6/7 Regression] 171.swim loops not interchanged, vectorized perf loss on aarch64
Date: Mon, 21 Nov 2016 22:43:00 -0000
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Dominique d'Humieres <dominiq at lps dot ens.fr> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |WAITING
Last reconfirmed| |2016-11-21
Ever confirmed|0 |1
--- Comment #1 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Duplicate of pr68682?
>From gcc-bugs-return-544471-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 22:43:56 2016
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From: "kugan at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/71408] [7 Regression] wrong code at -Os and above on x86_64-linux-gnu
Date: Mon, 21 Nov 2016 22:45:00 -0000
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kugan at gcc dot gnu.org changed:
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----------------------------------------------------------------------------
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--- Comment #7 from kugan at gcc dot gnu.org ---
Fixed in trunk.
>From gcc-bugs-return-544472-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 22:45:57 2016
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From: "mpolacek at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/78455] [7 Regression] ICE in operator[], at vec.h:732
Date: Mon, 21 Nov 2016 22:46:00 -0000
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Marek Polacek <mpolacek at gcc dot gnu.org> changed:
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--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
It seems like this is just a typo?
--- a/gcc/tree-ssa-uninit.c
+++ b/gcc/tree-ssa-uninit.c
@@ -2192,7 +2192,7 @@ can_chain_union_be_invalidated_p (pred_chain_union
use_preds,
pred_chain c = use_preds[i];
bool entire_pred_chain_invalidated = false;
for (size_t j = 0; j < c.length (); ++j)
- if (can_one_predicate_be_invalidated_p (c[i], worklist))
+ if (can_one_predicate_be_invalidated_p (c[j], worklist))
{
entire_pred_chain_invalidated = true;
break;
fixes it.
>From gcc-bugs-return-544473-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 22:46:30 2016
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From: "law at redhat dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/77493] [6/7 Regression] -fcrossjumping (-O2) on ppc64le causes segfaults (jump to 0x0) (first bad r230091)
Date: Mon, 21 Nov 2016 22:47:00 -0000
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Jeffrey A. Law <law at redhat dot com> changed:
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Subject: [Bug tree-optimization/70586] [7 Regression] wrong code at -O2 and -O3 on x86_64-linux-gnu in 32-bit and 64-bit modes
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Jeffrey A. Law <law at redhat dot com> changed:
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>From gcc-bugs-return-544475-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 22:50:12 2016
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Subject: [Bug tree-optimization/72835] [7 Regression] Incorrect arithmetic optimization involving bitfield arguments
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kugan at gcc dot gnu.org changed:
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--- Comment #6 from kugan at gcc dot gnu.org ---
Fixed in trunk.
>From gcc-bugs-return-544476-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 22:50:35 2016
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From: "barry.revzin at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c++/78457] New: attempt to instantiate unused template
Date: Mon, 21 Nov 2016 22:59:00 -0000
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Bug ID: 78457
Summary: attempt to instantiate unused template
Product: gcc
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The following fails to compile on any version of gcc (or clang) I tried:
#include <iostream>
template <class... Ts> struct X;
template <class T> struct X<T> { };
template <class... Us> struct Y { X<Us...> x; };
template <class... Ts>
std::ostream& operator<<(std::ostream& os, Y<Ts...> const& ) {
os << std::endl;
return os;
}
int main()
{ }
with the error:
prog.cc: In instantiation of 'struct Y<>':
prog.cc:10:16: required from here
prog.cc:6:44: error: 'Y<Us>::x' has incomplete type
template <class... Us> struct Y { X<Us...> x; };
^
prog.cc:3:31: note: declaration of 'struct X<>'
template <class... Ts> struct X;
^
but no instance of Y is ever created, much less Y<> in operator<<. Moreover,
replacing std::endl with '\n' makes the code compile.
>From gcc-bugs-return-544477-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 22:59:19 2016
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From: "timshen at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug libstdc++/78442] [variant] std::get<...>(Variant) is not constexpr.
Date: Mon, 21 Nov 2016 23:21:00 -0000
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Tim Shen <timshen at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
CC| |timshen at gcc dot gnu.org
--- Comment #1 from Tim Shen <timshen at gcc dot gnu.org> ---
I'm not sure whether the test case is valid.
A similar test case like this for <tuple> doesn't compile:
#include <tuple>
constexpr bool test() {
std::tuple<int, void*> v{42, nullptr};
auto const& cv = v;
static_assert(std::get<0>(v) == 42, "");
static_assert(std::get<0>(cv) == 42, "");
return true;
}
static_assert(test(), "");
int main() {}
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From: "eric at efcs dot ca" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug libstdc++/78442] [variant] std::get<...>(Variant) is not constexpr.
Date: Mon, 21 Nov 2016 23:24:00 -0000
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--- Comment #2 from Eric Fiselier <eric at efcs dot ca> ---
I'm sorry your right. That's a garbage reproducer. Here's an actual one:
#include <tuple>
#include <variant>
constexpr bool test_tuple() {
std::tuple<int> t(42);
return std::get<0>(t) == 42;
}
static_assert(test_tuple(), ""); // OK
constexpr bool test() {
std::variant<int, void*> v(42);
auto const& cv = v;
return std::get<0>(v) == 42 &&
std::get<0>(cv) == 42;
}
static_assert(test(), "");
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From: "law at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/68538] ICE in gen_reg_rtx, at emit-rtl.c:1027 when cross-compiling for cris-linux-gnu target
Date: Mon, 21 Nov 2016 23:25:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68538
--- Comment #6 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Author: law
Date: Mon Nov 21 23:24:13 2016
New Revision: 242682
URL: https://gcc.gnu.org/viewcvs?rev=242682&root=gcc&view=rev
Log:
PR target/68538
* config/cris/cris.md: Don't call copy_to_mode_reg unless
can_create_pseudo_p is true.
PR target/68538
* gcc.c-torture/compile/pr68538.c: New test.
Added:
trunk/gcc/testsuite/gcc.c-torture/compile/pr68538.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/cris/cris.md
trunk/gcc/testsuite/ChangeLog
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Subject: [Bug target/68538] ICE in gen_reg_rtx, at emit-rtl.c:1027 when cross-compiling for cris-linux-gnu target
Date: Mon, 21 Nov 2016 23:29:00 -0000
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Jeffrey A. Law <law at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #7 from Jeffrey A. Law <law at redhat dot com> ---
Fixed on the trunk.
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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug bootstrap/78453] [7 Regression] arm-none-linux-gnueabihf bootstrap failed with revision 242549
Date: Mon, 21 Nov 2016 23:30:00 -0000
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Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target| |arm-none-linux-gnueabihf
Target Milestone|--- |7.0
Summary|arm-none-linux-gnueabihf |[7 Regression]
|bootstrap failed with |arm-none-linux-gnueabihf
|revision 242549 |bootstrap failed with
| |revision 242549
>From gcc-bugs-return-544482-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Nov 21 23:30:44 2016
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Subject: [Bug tree-optimization/78455] [7 Regression] ICE in operator[], at vec.h:732
Date: Mon, 21 Nov 2016 23:46:00 -0000
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Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |mpolacek at gcc dot gnu.org
--- Comment #3 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Testing it.
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Subject: [Bug target/78458] New: [7 Regression] LRA ICE building libgcc for powerpc-linux-gnuspe e500v2
Date: Mon, 21 Nov 2016 23:51:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78458
Bug ID: 78458
Summary: [7 Regression] LRA ICE building libgcc for
powerpc-linux-gnuspe e500v2
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: jsm28 at gcc dot gnu.org
Target Milestone: ---
Target: powerpc-linux-gnuspe
Created attachment 40103
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40103&action=edit
preprocessed source
GCC mainline has an ICE in LRA when building libgcc for powerpc-linux-gnuspe
target (configured with --enable-e500-double and --with-glibc-version=2.24 to
get the relevant handling of DFmode and TFmode). I'll attach preprocessed
source of the relevant libgcc file. Compile with: -g -O2 -fPIC
-mlong-double-128 -mno-minimal-toc -fbuilding-libgcc -fno-stack-protector -S
multc3.i
/scratch/jmyers/glibc/many7/src/gcc/libgcc/libgcc2.c: In function '__multc3':
/scratch/jmyers/glibc/many7/src/gcc/libgcc/libgcc2.c:2035:1: internal compiler
error: in lra_set_insn_recog_data, at lra.c:965
}
^
0x9b41cc lra_set_insn_recog_data(rtx_insn*)
/scratch/jmyers/glibc/many7/src/gcc/gcc/lra.c:963
0x9b43ef lra_get_insn_recog_data
/scratch/jmyers/glibc/many7/src/gcc/gcc/lra-int.h:487
0x9b43ef lra_update_insn_regno_info(rtx_insn*)
/scratch/jmyers/glibc/many7/src/gcc/gcc/lra.c:1585
0x9b46bf lra_update_insn_regno_info(rtx_insn*)
/scratch/jmyers/glibc/many7/src/gcc/gcc/vec.h:1447
0x9b46bf lra_push_insn_1
/scratch/jmyers/glibc/many7/src/gcc/gcc/lra.c:1736
0x9b46bf lra_push_insn(rtx_insn*)
/scratch/jmyers/glibc/many7/src/gcc/gcc/lra.c:1744
0x9b46bf push_insns
/scratch/jmyers/glibc/many7/src/gcc/gcc/lra.c:1787
0x9b5f2d lra_process_new_insns(rtx_insn*, rtx_insn*, rtx_insn*, char const*)
/scratch/jmyers/glibc/many7/src/gcc/gcc/lra.c:1835
0x9c15f8 split_reg
/scratch/jmyers/glibc/many7/src/gcc/gcc/lra-constraints.c:5370
0x9c2134 inherit_in_ebb
/scratch/jmyers/glibc/many7/src/gcc/gcc/lra-constraints.c:6179
0x9c6b23 lra_inheritance()
/scratch/jmyers/glibc/many7/src/gcc/gcc/lra-constraints.c:6249
0x9b6d52 lra(_IO_FILE*)
/scratch/jmyers/glibc/many7/src/gcc/gcc/lra.c:2403
0x96c231 do_reload
/scratch/jmyers/glibc/many7/src/gcc/gcc/ira.c:5381
0x96c231 execute
/scratch/jmyers/glibc/many7/src/gcc/gcc/ira.c:5565
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
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From: "meissner at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/78458] [7 Regression] LRA ICE building libgcc for powerpc-linux-gnuspe e500v2
Date: Mon, 21 Nov 2016 23:56:00 -0000
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Michael Meissner <meissner at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |meissner at gcc dot gnu.org
--- Comment #1 from Michael Meissner <meissner at gcc dot gnu.org> ---
What subversion id did you build with? Was it before or after subversion id
242679 which was my last checkin to movdi in rs6000.md?
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From: "joseph at codesourcery dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/78458] [7 Regression] LRA ICE building libgcc for powerpc-linux-gnuspe e500v2
Date: Tue, 22 Nov 2016 00:10:00 -0000
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--- Comment #2 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
It was r242641.
>From gcc-bugs-return-544486-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 00:10:35 2016
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From: "joseph at codesourcery dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/78458] [7 Regression] LRA ICE building libgcc for powerpc-linux-gnuspe e500v2
Date: Tue, 22 Nov 2016 00:43:00 -0000
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--- Comment #3 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
I still get the same ICE at r242683.
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From: "rs2740 at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c++/78457] attempt to instantiate unused template
Date: Tue, 22 Nov 2016 01:04:00 -0000
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TC <rs2740 at gmail dot com> changed:
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----------------------------------------------------------------------------
CC| |rs2740 at gmail dot com
--- Comment #1 from TC <rs2740 at gmail dot com> ---
Doesn't seem to be a bug to me. This is caused by basically the same issue as
the one noted in https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69116#c2.
std::endl names a function template, so it's a nondeduced context. Deduction
for `std::ostream& operator<<(std::ostream& os, Y<Ts...> const& )` therefore
succeeds with Ts..., not otherwise deduced, deduced be to an empty pack. Then
during overload resolution the compiler instantiates the definition of `Y<>` to
see if it can be constructed from std::endl; that instantiation triggers a hard
error outside the immediate context as expected.
>From gcc-bugs-return-544488-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 01:04:32 2016
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Subject: [Bug c++/77949] [7 Regression] ICE on invalid code in internal compiler error: in linemap_position_for_loc_and_offset, at libcpp/line-map.c:907
Date: Tue, 22 Nov 2016 01:23:00 -0000
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David Malcolm <dmalcolm at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
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From: "jsm28 at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/78459] New: [7 Regression] [SH] ICE in maybe_record_trace_start building glibc string tests
Date: Tue, 22 Nov 2016 01:30:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78459
Bug ID: 78459
Summary: [7 Regression] [SH] ICE in maybe_record_trace_start
building glibc string tests
Product: gcc
Version: 7.0
Status: UNCONFIRMED
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Priority: P3
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Target: sh4-linux-gnu
Created attachment 40104
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40104&action=edit
preprocessed source
GCC mainline built for sh4-linux-gnu has an ICE building glibc string/tester.c.
Compile with: sh4-glibc-linux-gnu-gcc -S tester.i
-fno-isolate-erroneous-paths-dereference -fno-isolate-erroneous-paths-attribute
-std=gnu11 -fgnu89-inline -O2 -fmerge-all-constants -g
tester.c: In function 'test_strcpy':
tester.c:178:1: internal compiler error: in maybe_record_trace_start, at
dwarf2cfi.c:2328
}
^
0x76f73c maybe_record_trace_start
/scratch/jmyers/glibc/many7/src/gcc/gcc/dwarf2cfi.c:2328
0x770040 scan_trace
/scratch/jmyers/glibc/many7/src/gcc/gcc/dwarf2cfi.c:2510
0x77086a create_cfi_notes
/scratch/jmyers/glibc/many7/src/gcc/gcc/dwarf2cfi.c:2664
0x77086a execute_dwarf2_frame
/scratch/jmyers/glibc/many7/src/gcc/gcc/dwarf2cfi.c:3022
0x77086a execute
/scratch/jmyers/glibc/many7/src/gcc/gcc/dwarf2cfi.c:3502
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
Preprocessed source attached.
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Subject: [Bug target/78460] New: [7 Regression] [SH] OOM building glibc string tst-cmp.c
Date: Tue, 22 Nov 2016 01:50:00 -0000
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Bug ID: 78460
Summary: [7 Regression] [SH] OOM building glibc string
tst-cmp.c
Product: gcc
Version: 7.0
Status: UNCONFIRMED
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Created attachment 40105
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preprocessed source
GCC mainline built for sh4-linux-gnu runs out of memory building
string/tst-cmp.c. The symptom observed is that cc1's memory usage goes up by a
bit under 1GB a second until it's killed after exhausting memory and swap (on a
system with 128GB of each). Compile with: sh4-glibc-linux-gnu-gcc -S tst-cmp.i
-fno-isolate-erroneous-paths-dereference -fno-isolate-erroneous-paths-attribute
-std=gnu11 -fgnu89-inline -O2 -fmerge-all-constants -g
Preprocessed source attached.
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Subject: [Bug c++/78313] [7 Regression] Misleading spelling suggestion
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Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2016-11-22
CC| |mpolacek at gcc dot gnu.org
Ever confirmed|0 |1
>From gcc-bugs-return-544492-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 01:59:08 2016
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From: "segher at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/78438] [7 Regression] incorrect comparison optimization
Date: Tue, 22 Nov 2016 02:04:00 -0000
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--- Comment #5 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Why is this wrong? This isn't the same reg 94 (it is reused):
Failed to match this instruction:
(set (mem/c:QI (symbol_ref:DI ("a") [flags 0x2] <var_decl 0x3fffa1d60cf0 a>)
[0 a+0 S1 A8])
(subreg:QI (ashiftrt:SI (reg:SI 93 [ b ])
(const_int 26 [0x1a])) 0))
Successfully matched this instruction:
(set (reg:SI 94)
(ashiftrt:SI (reg:SI 93 [ b ])
(const_int 26 [0x1a])))
Successfully matched this instruction:
(set (mem/c:QI (symbol_ref:DI ("a") [flags 0x2] <var_decl 0x3fffa1d60cf0 a>)
[0 a+0 S1 A8])
(subreg:QI (reg:SI 94) 0))
The low 8 bits of r93 a>> 26 are exactly what we need to store afaics?
>From gcc-bugs-return-544493-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 02:04:31 2016
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Subject: [Bug target/78438] [7 Regression] incorrect comparison optimization
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--- Comment #6 from Segher Boessenkool <segher at gcc dot gnu.org> ---
n/m, too tired I guess, please ignore comment 5.
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Subject: [Bug c++/78003] [7 Regression] c++17: ICE in build_over_call, at cp/call.c:7847
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Marek Polacek <mpolacek at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
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--- Comment #5 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Fixed in r242562.
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Subject: [Bug sanitizer/63850] Building TSAN for Aarch64 results in assembler Error
Date: Tue, 22 Nov 2016 07:29:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63850
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |7.0
--- Comment #9 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Fixed.
>From gcc-bugs-return-544496-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 07:29:41 2016
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From: "trippels at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c/78461] New: [7 Regression] ICE: in operator+=, at gimple-ssa-sprintf.c:214
Date: Tue, 22 Nov 2016 07:34:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78461
Bug ID: 78461
Summary: [7 Regression] ICE: in operator+=, at
gimple-ssa-sprintf.c:214
Product: gcc
Version: 7.0
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markus@x4 /tmp % cat dlm.i
extern int snprintf(char *s, unsigned long n, const char *format, ...);
void foo(char *ch) { snprintf(0, 0, "%.*s%08x", 1, ch, 1); }
markus@x4 /tmp % gcc -c dlm.i
dlm.i: In function ‘foo’:
dlm.i:2:6: internal compiler error: in operator+=, at gimple-ssa-sprintf.c:214
void foo(char *ch) { snprintf(0, 0, "%.*s%08x", 1, ch, 1); }
^~~
0x12a98db operator+=
../../gcc/gcc/gimple-ssa-sprintf.c:214
0x12a98db add_bytes
../../gcc/gcc/gimple-ssa-sprintf.c:2119
0x12a98db compute_format_length
../../gcc/gcc/gimple-ssa-sprintf.c:2211
0x12a98db handle_gimple_call
../../gcc/gcc/gimple-ssa-sprintf.c:2775
0x12a98db execute
../../gcc/gcc/gimple-ssa-sprintf.c:2802
>From gcc-bugs-return-544497-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 07:34:47 2016
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From: "jmichae3 at yahoo dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/78462] New: feature request: need function default arguments
Date: Tue, 22 Nov 2016 07:38:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78462
Bug ID: 78462
Summary: feature request: need function default arguments
Product: gcc
Version: 6.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
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function default arguments are needed. I find that in 6.2.0 and earlier, it
does not work.
example:
#include <string>
const std::string test="wish";//global var or const, but const gives me
headaches
a(int b, int wish1=2, const wish2=test) {
...
}
this would be SO useful in ANSI C and in C++ if it worked.
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To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/78461] [7 Regression] ICE: in operator+=, at gimple-ssa-sprintf.c:214
Date: Tue, 22 Nov 2016 07:40:00 -0000
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Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |ice-on-valid-code
Component|c |tree-optimization
Target Milestone|--- |7.0
>From gcc-bugs-return-544499-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 07:40:08 2016
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To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/78462] feature request: need function default arguments
Date: Tue, 22 Nov 2016 07:42:00 -0000
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Andrew Pinski <pinskia at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
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--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
In C++ you already can have default arguments. Can you expand on what exact
feature you want?
>From gcc-bugs-return-544500-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 07:42:07 2016
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Subject: [Bug c++/78462] feature request: need function default arguments
Date: Tue, 22 Nov 2016 07:43:00 -0000
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--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
That is:
#include <string>
const std::string test="wish";//global var or const, but const gives me
headaches
int a(int b, int wish1=2, const std::string wish2=test) {
}
Works just fine in C++ and always has.
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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/78462] feature request: need function default arguments
Date: Tue, 22 Nov 2016 07:53:00 -0000
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--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Even this works in C++14:
int a(int b, auto wish1=2, const auto wish2=test)
>From gcc-bugs-return-544502-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 07:53:31 2016
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From: "trippels at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/78461] [7 Regression] ICE: in operator+=, at gimple-ssa-sprintf.c:214
Date: Tue, 22 Nov 2016 08:00:00 -0000
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Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2016-11-22
CC| |msebor at gcc dot gnu.org
Component|tree-optimization |c
Ever confirmed|0 |1
--- Comment #1 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
Started with r242674.
>From gcc-bugs-return-544503-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 08:00:18 2016
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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/77855] [5/6 Regression] wrong code at -O3 on x86_64-linux-gnu (in both 32-bit and 64-bit modes)
Date: Tue, 22 Nov 2016 08:03:00 -0000
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Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P2
Summary|[6 Regression] wrong code |[5/6 Regression] wrong code
|at -O3 on x86_64-linux-gnu |at -O3 on x86_64-linux-gnu
|(in both 32-bit and 64-bit |(in both 32-bit and 64-bit
|modes) |modes)
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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/77493] [6/7 Regression] -fcrossjumping (-O2) on ppc64le causes segfaults (jump to 0x0) (first bad r230091)
Date: Tue, 22 Nov 2016 08:09:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77493
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P1 |P2
Known to fail| |6.2.0
--- Comment #14 from Richard Biener <rguenth at gcc dot gnu.org> ---
Actually P2, we've released 6.2 with this bug so it doesn't block a 6.3
release. It's also still UNCONFIRMED (we prefer to leave those at P3).
>From gcc-bugs-return-544506-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 08:11:18 2016
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Subject: [Bug middle-end/78463] New: pure/const functions are assumed not to trap
Date: Tue, 22 Nov 2016 08:11:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78463
Bug ID: 78463
Summary: pure/const functions are assumed not to trap
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Keywords: missed-optimization, wrong-code
Severity: enhancement
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: rguenth at gcc dot gnu.org
CC: hubicka at gcc dot gnu.org, jakub at gcc dot gnu.org
Target Milestone: ---
PR70586 shows that pure/const functions are assumed not to trap (EH / throw is
captured separately already). This makes them fail the has-side-effects check
which can lead to wrong-code issues (see that PR).
We need a more fine-grained analysis (and IPA propagation) of what functions
may do (trap, invoke undefined overflow, use FP math, etc.) to ask the right
questions from optimizations (and enable more optimizations).
>From gcc-bugs-return-544505-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 08:09:18 2016
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Subject: [Bug middle-end/78429] [6/7 Regression] ice on valid C code on x86_64-linux-gnu at -O3 in both 32-bit and 64-bit modes (internal compiler error: in set_value_range, at tree-vrp.c:361)
Date: Tue, 22 Nov 2016 08:11:00 -0000
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Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
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--- Comment #13 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
Fixing.
>From gcc-bugs-return-544508-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 08:19:42 2016
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Subject: [Bug target/78460] [7 Regression] [SH] OOM building glibc string tst-cmp.c
Date: Tue, 22 Nov 2016 08:19:00 -0000
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Richard Biener <rguenth at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
Priority|P3 |P4
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>From gcc-bugs-return-544507-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 08:11:41 2016
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Subject: [Bug tree-optimization/70586] [7 Regression] wrong code at -O2 and -O3 on x86_64-linux-gnu in 32-bit and 64-bit modes
Date: Tue, 22 Nov 2016 08:19:00 -0000
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Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Known to work| |6.1.0
Resolution|--- |FIXED
Target Milestone|7.0 |6.0
--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
The regression is fixed, what's left is the general issue of handling
pure/const with respect to throwing/trapping. Let's close this bug as fixed.
See PR78463 for this issue.
>From gcc-bugs-return-544509-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 08:19:55 2016
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Subject: [Bug target/78459] [7 Regression] [SH] ICE in maybe_record_trace_start building glibc string tests
Date: Tue, 22 Nov 2016 08:20:00 -0000
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Richard Biener <rguenth at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
Priority|P3 |P4
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>From gcc-bugs-return-544510-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 08:20:05 2016
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Subject: [Bug target/78458] [7 Regression] LRA ICE building libgcc for powerpc-linux-gnuspe e500v2
Date: Tue, 22 Nov 2016 08:22:00 -0000
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Richard Biener <rguenth at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
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>From gcc-bugs-return-544511-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 08:22:19 2016
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Subject: [Bug tree-optimization/68682] [6/7 Regression] [graphite] loop interchange no longer working after r227277
Date: Tue, 22 Nov 2016 08:22:00 -0000
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--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
*** Bug 78456 has been marked as a duplicate of this bug. ***
>From gcc-bugs-return-544512-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 08:22:19 2016
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Subject: [Bug fortran/78456] [6/7 Regression] 171.swim loops not interchanged, vectorized perf loss on aarch64
Date: Tue, 22 Nov 2016 08:24:00 -0000
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Richard Biener <rguenth at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
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--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
dup
*** This bug has been marked as a duplicate of bug 68682 ***
>From gcc-bugs-return-544513-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 08:24:03 2016
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Subject: [Bug target/78451] [7 Regression] FAIL: gcc.target/i386/sse-22a.c: error: inlining failed in call to always_inline '_mm512_setzero_ps'
Date: Tue, 22 Nov 2016 08:25:00 -0000
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Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target| |x86_64-*-*, i?86-*-*
Target Milestone|--- |7.0
Summary|FAIL: |[7 Regression] FAIL:
|gcc.target/i386/sse-22a.c: |gcc.target/i386/sse-22a.c:
|error: inlining failed in |error: inlining failed in
|call to always_inline |call to always_inline
|'_mm512_setzero_ps' |'_mm512_setzero_ps'
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Subject: [Bug c/78461] [7 Regression] ICE: in operator+=, at gimple-ssa-sprintf.c:214
Date: Tue, 22 Nov 2016 08:43:00 -0000
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Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P1
>From gcc-bugs-return-544515-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 08:43:40 2016
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Subject: [Bug target/78451] [7 Regression] FAIL: gcc.target/i386/sse-22a.c: error: inlining failed in call to always_inline '_mm512_setzero_ps'
Date: Tue, 22 Nov 2016 08:55:00 -0000
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Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2016-11-22
CC| |jakub at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Reduced testcase:
#pragma GCC target ("avx512bw")
static inline int __attribute__ ((__always_inline__))
bar (void)
{
return 0;
}
#pragma GCC push_options
#pragma GCC target("avx512vl")
int
foo (void)
{
return bar ();
}
#pragma GCC pop_options
>From gcc-bugs-return-544516-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 08:55:08 2016
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Subject: [Bug target/78453] [7 Regression] arm-none-linux-gnueabihf bootstrap failed with revision 242549
Date: Tue, 22 Nov 2016 08:55:00 -0000
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ktkachov at gcc dot gnu.org changed:
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--- Comment #3 from ktkachov at gcc dot gnu.org ---
dup.
*** This bug has been marked as a duplicate of bug 78439 ***
>From gcc-bugs-return-544517-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 08:55:09 2016
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Subject: [Bug target/78439] [7 Regression] error: insn does not satisfy its constraints (arm-linux-gnueabihf)
Date: Tue, 22 Nov 2016 09:03:00 -0000
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--- Comment #7 from ktkachov at gcc dot gnu.org ---
*** Bug 78453 has been marked as a duplicate of this bug. ***
>From gcc-bugs-return-544518-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 09:03:21 2016
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Subject: [Bug middle-end/78429] [6/7 Regression] ice on valid C code on x86_64-linux-gnu at -O3 in both 32-bit and 64-bit modes (internal compiler error: in set_value_range, at tree-vrp.c:361)
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--- Comment #14 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> In the end having a bool_with_only_0_and_1 predicate rather than
> open-coding (several variants of) the test throughout the middle-end
> might be a good idea...
Like the to be attached patch?
>From gcc-bugs-return-544519-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 09:03:57 2016
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Subject: [Bug middle-end/78429] [6/7 Regression] ice on valid C code on x86_64-linux-gnu at -O3 in both 32-bit and 64-bit modes (internal compiler error: in set_value_range, at tree-vrp.c:361)
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--- Comment #15 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
Created attachment 40106
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40106&action=edit
Tentative fix
>From gcc-bugs-return-544520-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 09:08:27 2016
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From: "bo.langgaard.lind at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/78464] New: Feature request: automatic function multi versioning
Date: Tue, 22 Nov 2016 09:11:00 -0000
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Bug ID: 78464
Summary: Feature request: automatic function multi versioning
Product: gcc
Version: 6.2.0
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Target Milestone: ---
Function Multi Versioning currently requires an attribute manually added to
each function that one wants to be multi versioned. Something like:
__attribute__((target_clones("avx2","default")))
If not doing FMV, but just letting the compiler optimize with, say, AVX2, the
compiler automatically finds candidates for optimization and does so.
How about an option that lets the compiler automatically create target clones
of functions that would benefit from it? In plain English: "If the user has
specified "default" and "avx2" as function targets; if a function is found
which could benefit from AVX2 instructions, make two versions of this."
>From gcc-bugs-return-544521-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 09:11:48 2016
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Subject: [Bug middle-end/78294] [5/6/7 Regression] -fsanitize=thread broken by ignoring __attribute__((tls_model("initial-exec")))
Date: Tue, 22 Nov 2016 09:13:00 -0000
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--- Comment #23 from Dmitry Vyukov <dvyukov at google dot com> ---
Markus,
Changes to sanitizer runtimes are not committed into gcc tree. The upstream is
in llvm tree. Changes must go there first, then they are backported to gcc
tree. Your change will be overwritten on next integrate.
I've committed a similar change upstream:
http://llvm.org/viewvc/llvm-project?view=revision&revision=287629
So for now we are safe.
>From gcc-bugs-return-544522-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 09:13:34 2016
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Subject: [Bug c/78464] Feature request: automatic function multi versioning
Date: Tue, 22 Nov 2016 09:17:00 -0000
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--- Comment #1 from Bo Lind <bo.langgaard.lind at gmail dot com> ---
See this StackOverflow question for a different phrasing of this issue:
http://stackoverflow.com/questions/39979926/is-there-or-will-there-be-a-global-version-of-the-target-clones-attribute
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Subject: [Bug middle-end/78294] [5/6/7 Regression] -fsanitize=thread broken by ignoring __attribute__((tls_model("initial-exec")))
Date: Tue, 22 Nov 2016 09:18:00 -0000
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--- Comment #24 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
(In reply to Dmitry Vyukov from comment #23)
> Markus,
>
> Changes to sanitizer runtimes are not committed into gcc tree. The upstream
> is in llvm tree. Changes must go there first, then they are backported to
> gcc tree. Your change will be overwritten on next integrate.
>
> I've committed a similar change upstream:
> http://llvm.org/viewvc/llvm-project?view=revision&revision=287629
> So for now we are safe.
Thanks.
I was under the impression that upstream wouldn't be interested in this patch,
because llvm uses static compiler-rt libs and clang doesn't run into this
issue.
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Subject: [Bug middle-end/78294] [5/6/7 Regression] -fsanitize=thread broken by ignoring __attribute__((tls_model("initial-exec")))
Date: Tue, 22 Nov 2016 09:19:00 -0000
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--- Comment #25 from Dmitry Vyukov <dvyukov at google dot com> ---
> The question is if we want to change this or not and in what way.
I would say that we need to change something, because current behavior is
counter-intuitive.
In tsan runtime we have a declaration with the attribute and definition without
the attribute. For most of other things (e.g. static) attributes/qualifiers are
propagated from declaration to definition.
I would do the obvious propagation automatically, and then maybe warn about all
other cases (e.g. conflicting tls models, or addition of initial-exec after the
variable was already used).
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Subject: [Bug ipa/78309] [7 Regression] ICE: in get_hash, at ipa-icf.c:2124
Date: Tue, 22 Nov 2016 09:21:00 -0000
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--- Comment #4 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Tue Nov 22 09:18:37 2016
New Revision: 242687
URL: https://gcc.gnu.org/viewcvs?rev=242687&root=gcc&view=rev
Log:
Add sem_item::m_hash_set (PR ipa/78309)
PR ipa/78309
* ipa-icf.c (void sem_item::set_hash): Update m_hash_set.
(sem_function::get_hash): Use the new field.
(sem_function::parse): Remove an argument from ctor.
(sem_variable::parse): Likewise.
(sem_variable::get_hash): Use the new field.
(sem_item_optimizer::read_section): Use new ctor and set hash.
* ipa-icf.h: _hash is removed from sem_item::sem_item,
sem_variable::sem_variable, sem_function::sem_function.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/ipa-icf.c
trunk/gcc/ipa-icf.h
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Subject: [Bug ipa/78309] [5/6 Regression] ICE: in get_hash, at ipa-icf.c:2124
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Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|[7 Regression] ICE: in |[5/6 Regression] ICE: in
|get_hash, at ipa-icf.c:2124 |get_hash, at ipa-icf.c:2124
--- Comment #5 from Martin Liška <marxin at gcc dot gnu.org> ---
Fixed on trunk, I'm going to install the patch also to active branches.
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Subject: [Bug middle-end/78294] [5/6/7 Regression] -fsanitize=thread broken by ignoring __attribute__((tls_model("initial-exec")))
Date: Tue, 22 Nov 2016 09:35:00 -0000
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--- Comment #26 from Dmitry Vyukov <dvyukov at google dot com> ---
> I was under the impression that upstream wouldn't be interested in this patch,
because llvm uses static compiler-rt libs and clang doesn't run into this
issue.
Upstream is not interested from this point of view. But we are interested
very-very much in keeping code in sync to keep ourselves sane. As far as I
know, runtime code is copied verbatim so far.
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Subject: [Bug target/78255] [5/6/7 regression] Indirect sibling call causing wrong code generation for ARM
Date: Tue, 22 Nov 2016 09:51:00 -0000
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--- Comment #2 from avieira at gcc dot gnu.org ---
The approach I had doesnt work, it ICE's elsewhere...
At the time I am not sure how to fix this without disabling indirect tail calls
for the current function if any sibcall is done within it. This might be too
big a hammer... If anyone has any tips they are very welcome.
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Subject: [Bug target/78439] [7 Regression] error: insn does not satisfy its constraints (arm-linux-gnueabihf)
Date: Tue, 22 Nov 2016 09:52:00 -0000
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Bernd Edlinger <bernd.edlinger at hotmail dot de> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |bernd.edlinger at hotmail dot de
--- Comment #8 from Bernd Edlinger <bernd.edlinger at hotmail dot de> ---
Does something like that work?
--- gcc/config/arm/vfp.md.orig 2016-11-10 11:38:03.000000000 +0100
+++ gcc/config/arm/vfp.md 2016-11-22 10:28:33.724941776 +0100
@@ -355,8 +355,8 @@
)
(define_insn "*movdi_vfp_cortexa8"
- [(set (match_operand:DI 0 "nonimmediate_di_operand"
"=r,r,r,r,r,r,m,w,!r,w,w, Uv")
- (match_operand:DI 1 "di_operand"
"r,rDa,Db,Dc,mi,mi,r,r,w,w,Uvi,w"))]
+ [(set (match_operand:DI 0 "nonimmediate_di_operand"
"=r,r,r,r,q,q,m,w,!r,w,w, Uv")
+ (match_operand:DI 1 "di_operand"
"r,rDa,Db,Dc,mi,mi,q,r,w,w,Uvi,w"))]
"TARGET_32BIT && TARGET_HARD_FLOAT && arm_tune == TARGET_CPU_cortexa8
&& ( register_operand (operands[0], DImode)
|| register_operand (operands[1], DImode))
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78439
--- Comment #9 from ktkachov at gcc dot gnu.org ---
(In reply to Bernd Edlinger from comment #8)
> Does something like that work?
>
> --- gcc/config/arm/vfp.md.orig 2016-11-10 11:38:03.000000000 +0100
> +++ gcc/config/arm/vfp.md 2016-11-22 10:28:33.724941776 +0100
> @@ -355,8 +355,8 @@
> )
>
> (define_insn "*movdi_vfp_cortexa8"
> - [(set (match_operand:DI 0 "nonimmediate_di_operand"
> "=r,r,r,r,r,r,m,w,!r,w,w, Uv")
> - (match_operand:DI 1 "di_operand"
> "r,rDa,Db,Dc,mi,mi,r,r,w,w,Uvi,w"))]
> + [(set (match_operand:DI 0 "nonimmediate_di_operand"
> "=r,r,r,r,q,q,m,w,!r,w,w, Uv")
> + (match_operand:DI 1 "di_operand"
> "r,rDa,Db,Dc,mi,mi,q,r,w,w,Uvi,w"))]
> "TARGET_32BIT && TARGET_HARD_FLOAT && arm_tune == TARGET_CPU_cortexa8
> && ( register_operand (operands[0], DImode)
> || register_operand (operands[1], DImode))
Yes, that is what I'm testing.
I'll send it to gcc-patches soon
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Subject: [Bug rtl-optimization/78437] [7 Regression] invalid sign-extend conversion in REE pass
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--- Comment #5 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Uroš Bizjak from comment #4)
> I have started bootstrap+regtest with your patch on alpha native. Please
> expect results sometime tomorrow.
Bootstrap and regression tests pass OK, the patch fixes reported
gcc.dg/atomic/stdatomic-compare-exchange-[1,2].c failure.
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Subject: [Bug libfortran/78449] compile time ieee_support_halting is not correct on arm and aarch64 ( FAIL: gfortran.dg/ieee/ieee_8.f90 -Os execution test )
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--- Comment #1 from nsz at gcc dot gnu.org ---
Author: nsz
Date: Tue Nov 22 10:06:05 2016
New Revision: 242688
URL: https://gcc.gnu.org/viewcvs?rev=242688&root=gcc&view=rev
Log:
[PR libgfortran/78449] XFAIL ieee_8.f90 on aarch64 and arm
ARM and AArch64 may not support trapping so runtime and
compile time check can differ.
gcc/testsuite/
PR libgfortran/78449
* gfortran.dg/ieee/ieee_8.f90 (aarch64*gnu, arm*gnu*): Mark xfail.
Modified:
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gfortran.dg/ieee/ieee_8.f90
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Subject: [Bug rtl-optimization/78437] [7 Regression] invalid sign-extend conversion in REE pass
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--- Comment #6 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> Bootstrap and regression tests pass OK, the patch fixes reported
> gcc.dg/atomic/stdatomic-compare-exchange-[1,2].c failure.
Thanks, no regressions with -free on SPARC either.
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Subject: [Bug middle-end/78445] [7 Regression] ICE in maybe_gen_insn, at optabs.c:7014
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--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Nov 22 10:13:01 2016
New Revision: 242689
URL: https://gcc.gnu.org/viewcvs?rev=242689&root=gcc&view=rev
Log:
PR tree-optimization/78445
* tree-if-conv.c (tree_if_conversion): If any_pred_load_store or
any_complicated_phi, version loop even if flag_tree_loop_if_convert is
1. Formatting fix.
* gcc.dg/pr78445.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr78445.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
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Subject: [Bug libfortran/78314] [aarch64] ieee_support_halting does not report unsupported fpu traps correctly
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nsz at gcc dot gnu.org changed:
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--- Comment #6 from nsz at gcc dot gnu.org ---
waiting with the backport for bug 78449.
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Subject: [Bug middle-end/78416] wrong code for division by (u128)~INT64_MAX at -O0
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--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Nov 22 10:14:21 2016
New Revision: 242690
URL: https://gcc.gnu.org/viewcvs?rev=242690&root=gcc&view=rev
Log:
PR middle-end/78416
* expmed.c (expand_divmod): Use wide_int for computation of
op1_is_pow2. Don't set it if op1 is 0. Formatting fixes.
Use size <= HOST_BITS_PER_WIDE_INT instead of
HOST_BITS_PER_WIDE_INT >= size.
* gcc.dg/torture/pr78416.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr78416.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/expmed.c
trunk/gcc/testsuite/ChangeLog
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Subject: [Bug middle-end/78445] [7 Regression] ICE in maybe_gen_insn, at optabs.c:7014
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Jakub Jelinek <jakub at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
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--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Fixed.
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Subject: [Bug tree-optimization/78436] [7 Regression] incorrect write to larger-than-type bitfield (signed char x:9)
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--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Nov 22 10:15:43 2016
New Revision: 242691
URL: https://gcc.gnu.org/viewcvs?rev=242691&root=gcc&view=rev
Log:
PR tree-optimization/78436
* gimple-ssa-store-merging.c (zero_char_buf): Removed.
(shift_bytes_in_array, shift_bytes_in_array_right,
merged_store_group::apply_stores): Formatting fixes.
(clear_bit_region): Likewise. Use memset.
(encode_tree_to_bitpos): Formatting fixes. Fix comment typos - EPXR
instead of EXPR and inerted instead of inserted. Use memset instead
of zero_char_buf. For !BYTES_BIG_ENDIAN decrease byte_size by 1
if shift_amnt is 0.
* gcc.c-torture/execute/pr78436.c: New test.
Added:
trunk/gcc/testsuite/gcc.c-torture/execute/pr78436.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/gimple-ssa-store-merging.c
trunk/gcc/testsuite/ChangeLog
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Subject: [Bug middle-end/78416] wrong code for division by (u128)~INT64_MAX at -O0
Date: Tue, 22 Nov 2016 10:19:00 -0000
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Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Known to work| |7.0
Known to fail|7.0 |
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Fixed for 7.0 so far.
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Subject: [Bug libstdc++/78465] [7 regression] 29_atomics/headers/atomic/macros.cc FAILs
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Rainer Orth <ro at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |7.0
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Subject: [Bug tree-optimization/78436] [7 Regression] incorrect write to larger-than-type bitfield (signed char x:9)
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Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Fixed.
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Subject: [Bug libstdc++/78465] New: [7 regression] 29_atomics/headers/atomic/macros.cc FAILs
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Bug ID: 78465
Summary: [7 regression] 29_atomics/headers/atomic/macros.cc
FAILs
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libstdc++
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Host: *-*-solaris2.12
Target: *-*-solaris2.12
Build: *-*-solaris2.12
Between 20161120 and 20161121, 29_atomics/headers/atomic/macros.cc started to
FAIL on Solaris 12 (both sparc and x86, older versions not yet tested):
+FAIL: 29_atomics/headers/atomic/macros.cc (test for excess errors)
output is:
/vol/gcc/src/hg/trunk/local/libstdc++-v3/testsuite/29_atomics/headers/atomic/macros.cc:71:
error: 'void abort()' conflicts with a previous declaration
In file included from /usr/include/stdlib.h:12,
from
/var/gcc/regression/trunk/12-gcc/build/i386-pc-solaris2.12/libstdc++-v3/include/bits/std_abs.h:38,
from
/var/gcc/regression/trunk/12-gcc/build/i386-pc-solaris2.12/libstdc++-v3/include/cmath:47,
from
/vol/gcc/src/hg/trunk/local/libstdc++-v3/include/precompiled/stdc++.h:41:
/usr/include/iso/stdlib_iso.h:159: note: previous declaration 'void
std::abort()
Rainer
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From: "stephane.kaloustian@optimo-medical.com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/57082] brace initialization requires public destructor
Date: Tue, 22 Nov 2016 10:38:00 -0000
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Stephane Kaloustian <stephane.kaloustian@optimo-medical.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |stephane.kaloustian@optimo-
| |medical.com
--- Comment #3 from Stephane Kaloustian <stephane.kaloustian@optimo-medical.com> ---
In my understanding, this is related to the creation of a copy.
Using g++ (GCC) 4.8.5 20150623 (Red Hat 4.8.5-4):
struct B{
B(){}
~B(){}
B(const B&) = delete;
};
int main (int argc, char** argv)
{
B myB;
const B & bref1 = myB; // OK
const B & bref2(myB); // OK
const B & bref3{myB}; // ERROR
return 0;
}
delref.cpp: In function ‘int main(int, char**)’:
delref.cpp:14:24: error: use of deleted function ‘B::B(const B&)’
const B & bref3{myB};
^
delref.cpp:5:5: error: declared here
B(const B&) = delete;
^
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From: "vehre at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/78466] New: [coarray] Explicit cobounds of a procedures parameter not respected
Date: Tue, 22 Nov 2016 10:39:00 -0000
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Bug ID: 78466
Summary: [coarray] Explicit cobounds of a procedures parameter
not respected
Product: gcc
Version: 7.0
Status: UNCONFIRMED
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Priority: P3
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The testcase in gcc/testsuite/gfortran.dg/poly_run_2.f90 gives explicit
cobounds for the argument A to procedure s(). Those are not taken into account,
at least not in the way given (excerpt):
type t
end type t
class(t), allocatable :: A[:,:]
allocate (A[1:4,-5:*])
call s(A)
contains
subroutine s(x)
class(t) :: x[4,2:*]
if (any (lcobound(x) /= [1, 2])) call abort ()
if (num_images() == 1) then
if (any (ucobound(x) /= [4, 2])) call abort () ! Fails
else
if (ucobound(x,dim=1) /= 4) call abort ()
end if
end subroutine s
end
Note: The testcase in general is made non-functional by the if(allocated(A))
stop as second line, as it is living in trunk upto r242691.
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Subject: [Bug fortran/78466] [coarray] Explicit cobounds of a procedures parameter not respected
Date: Tue, 22 Nov 2016 10:45:00 -0000
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vehre at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P4
CC| |vehre at gcc dot gnu.org
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To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/77904] [ARM Cortex-M0] Frame pointer thrashes registers if assembly statements with "sp" clobber are used
Date: Tue, 22 Nov 2016 10:49:00 -0000
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--- Comment #5 from Thomas Preud'homme <thopre01 at gcc dot gnu.org> ---
Author: thopre01
Date: Tue Nov 22 10:44:29 2016
New Revision: 242693
URL: https://gcc.gnu.org/viewcvs?rev=242693&root=gcc&view=rev
Log:
2016-11-22 Thomas Preud'homme <thomas.preudhomme@arm.com>
gcc/
PR target/77904
* config/arm/arm.c (thumb1_compute_save_reg_mask): Mark frame pointer
in save register mask if it is needed.
gcc/testsuite/
PR target/77904
* gcc.target/arm/pr77904.c: New test.
Added:
trunk/gcc/testsuite/gcc.target/arm/pr77904.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/arm/arm.c
trunk/gcc/testsuite/ChangeLog
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From: "dominiq at lps dot ens.fr" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug fortran/78466] [coarray] Explicit cobounds of a procedures parameter not respected
Date: Tue, 22 Nov 2016 10:56:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78466
Dominique d'Humieres <dominiq at lps dot ens.fr> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2016-11-22
Ever confirmed|0 |1
--- Comment #1 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Confirmed from 4.9 up to trunk (7.0) when compiled with -fcoarray=lib
-lcaf_single ("works" with -fcoarray=single). When compiled with 4.8, I get at
run time a lot of
...
Program received signal SIGABRT: Process abort signal.
Backtrace for this error:
Program received signal SIGABRT: Process abort signal.
Backtrace for this error:
...
Program received signal SIGABRT: Process abort signal.
Backtrace for this error:
Segmentation fault
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Subject: [Bug gcov-profile/78467] [7 regression] gcc.dg/tree-prof/comp-goto-1.c FAILs
Date: Tue, 22 Nov 2016 10:56:00 -0000
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Rainer Orth <ro at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |7.0
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Subject: [Bug gcov-profile/78467] New: [7 regression] gcc.dg/tree-prof/comp-goto-1.c FAILs
Date: Tue, 22 Nov 2016 10:58:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78467
Bug ID: 78467
Summary: [7 regression] gcc.dg/tree-prof/comp-goto-1.c FAILs
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: gcov-profile
Assignee: unassigned at gcc dot gnu.org
Reporter: ro at gcc dot gnu.org
CC: ebotcazou at gcc dot gnu.org
Target Milestone: ---
Host: sparc-sun-solaris2.12
Target: sparc-sun-solaris2.12
Build: sparc-sun-solaris2.12
Between 20161117 and 20161121, gcc.dg/tree-prof/comp-goto-1.c started to FAIL
on
32-bit SPARC:
+FAIL: gcc.dg/tree-prof/comp-goto-1.c execution, -fprofile-generate
-D_PROFIL
E_GENERATE
+UNRESOLVED: gcc.dg/tree-prof/comp-goto-1.c compilation, -fprofile-use
-D_PROFI
LE_USE
+UNRESOLVED: gcc.dg/tree-prof/comp-goto-1.c execution, -fprofile-use
-D_PROFI
LE_USE
The -fprofile-generate execution SEGVs and even gdb aborts when trying to
investigate. dbx is at least able to get a stack trace:
signal SEGV (no mapping at the fault address) in (unknown) at 0x51cdc
0x00051cdc: <bad address 0x00051cdc>
Current function is main
158 res = simulator_kernel (2 + 1, &env);
(dbx) where
[1] 0x51cdc(0x2, 0x11dac, 0x258d8, 0x3fff, 0x0, 0x8), at 0x51cdc
=>[2] main(), line 158 in "comp-goto-1.c"
Rainer
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Subject: [Bug libgomp/78468] New: [7 regression] libgomp.c/reduction-10.c and many more FAIL
Date: Tue, 22 Nov 2016 10:59:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78468
Bug ID: 78468
Summary: [7 regression] libgomp.c/reduction-10.c and many more
FAIL
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libgomp
Assignee: unassigned at gcc dot gnu.org
Reporter: ro at gcc dot gnu.org
CC: jakub at gcc dot gnu.org
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Target: sparc-sun-solaris2.12
Build: sparc-sun-solaris2.12
Between 20161117 and 20161121, many libgomp tests started to FAIL for 32-bit
SPARC:
+FAIL: libgomp.c/reduction-10.c execution test
aborts:
Thread 2 received signal SIGABRT, Aborted.
[Switching to Thread 1 (LWP 1)]
0xfeefd86c in __lwp_sigqueue () from /lib/libc.so.1
(gdb) where
#0 0xfeefd86c in __lwp_sigqueue () from /lib/libc.so.1
#1 0xfee394e0 in raise () from /lib/libc.so.1
#2 0xfee0aa50 in abort () from /lib/libc.so.1
#3 0x00011654 in main ()
at
/vol/gcc/src/hg/trunk/local/libgomp/testsuite/libgomp.c/reduction-10.c:95
at -O0, abort at l.98 instead:
(gdb) p y[i].t
$3 = 0
(gdb) p y2[i]
$4 = 6561
+FAIL: libgomp.c/reduction-13.c execution test
+FAIL: libgomp.c/reduction-14.c execution test
+FAIL: libgomp.c/reduction-9.c execution test
+FAIL: libgomp.c++/reduction-10.C execution test
+FAIL: libgomp.c++/reduction-12.C execution test
+FAIL: libgomp.c++/reduction-7.C execution test
+FAIL: libgomp.c++/reduction-8.C execution test
+FAIL: libgomp.fortran/vla1.f90 -O0 execution test
+FAIL: libgomp.fortran/vla1.f90 -O1 execution test
+FAIL: libgomp.fortran/vla1.f90 -O2 execution test
+FAIL: libgomp.fortran/vla1.f90 -O3 -fomit-frame-pointer -funroll-loops
-fpeel
-loops -ftracer -finline-functions execution test
+FAIL: libgomp.fortran/vla1.f90 -O3 -g execution test
+FAIL: libgomp.fortran/vla1.f90 -Os execution test
+FAIL: libgomp.fortran/vla4.f90 -O0 execution test
+FAIL: libgomp.fortran/vla4.f90 -O1 execution test
+FAIL: libgomp.fortran/vla4.f90 -O2 execution test
+FAIL: libgomp.fortran/vla4.f90 -O3 -fomit-frame-pointer -funroll-loops
-fpeel
-loops -ftracer -finline-functions execution test
+FAIL: libgomp.fortran/vla4.f90 -O3 -g execution test
+FAIL: libgomp.fortran/vla4.f90 -Os execution test
Rainer
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To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/77904] [ARM Cortex-M0] Frame pointer thrashes registers if assembly statements with "sp" clobber are used
Date: Tue, 22 Nov 2016 10:59:00 -0000
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--- Comment #6 from Thomas Preud'homme <thopre01 at gcc dot gnu.org> ---
Author: thopre01
Date: Tue Nov 22 10:57:55 2016
New Revision: 242694
URL: https://gcc.gnu.org/viewcvs?rev=242694&root=gcc&view=rev
Log:
Fix PR77904: callee-saved register trashed when clobbering sp
2016-11-22 Thomas Preud'homme <thomas.preudhomme@arm.com>
Backport from mainline
2016-11-22 Thomas Preud'homme <thomas.preudhomme@arm.com>
gcc/
PR target/77904
* config/arm/arm.c (thumb1_compute_save_reg_mask): Mark frame pointer
in save register mask if it is needed.
gcc/testsuite/
PR target/77904
* gcc.target/arm/pr77904.c: New test.
Added:
branches/ARM/embedded-6-branch/gcc/testsuite/gcc.target/arm/pr77904.c
Modified:
branches/ARM/embedded-6-branch/gcc/ChangeLog.arm
branches/ARM/embedded-6-branch/gcc/config/arm/arm.c
branches/ARM/embedded-6-branch/gcc/testsuite/ChangeLog.arm
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Subject: [Bug libgomp/78468] [7 regression] libgomp.c/reduction-10.c and many more FAIL
Date: Tue, 22 Nov 2016 11:02:00 -0000
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Rainer Orth <ro at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |7.0
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Subject: [Bug libgomp/78468] [7 regression] libgomp.c/reduction-10.c and many more FAIL
Date: Tue, 22 Nov 2016 11:09:00 -0000
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--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Can you please bisect it? Not aware of any recent changes that could cause
that.
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Subject: [Bug tree-optimization/78428] [5/6/7 Regression] wrong code at -O2 and -O3 on x86_64-linux-gnu in 64-bit mode
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--- Comment #6 from Martin Liška <marxin at gcc dot gnu.org> ---
Created attachment 40107
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40107&action=edit
Tentative patch
Attaching tentative patch where I added bitregion_{start,end} to
store_constructor_field.
Actually there are multiple calls of the function, one for
{RECORD,UNION,QUAL_UNION}_TYPE (that's what we are interested in), another for
ARRAY_TYPE and one for VECTOR_TYPE. As the problematic mode reset (done in
expr.c:6230):
mode = DECL_MODE (field);
if (DECL_BIT_FIELD (field))
mode = VOIDmode;
does not happen last 2 types, I hope we don't have to care. I'm attaching a
test-case and I'm wondering how to set a hard timeout of the test? Setting
dg-timeout just prints WARNING and the test is still running.
Thoughts?
>From gcc-bugs-return-544555-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 11:25:24 2016
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Subject: [Bug target/78451] [7 Regression] FAIL: gcc.target/i386/sse-22a.c: error: inlining failed in call to always_inline '_mm512_setzero_ps'
Date: Tue, 22 Nov 2016 11:31:00 -0000
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Jakub Jelinek <jakub at gcc dot gnu.org> changed:
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| |uros at gcc dot gnu.org
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Ah, that testcase fails even with gcc 6.
Apparently even sse-22a.c fails with GCC 6, when compiled with -save-temps.
I see multiple issues here.
One is that while global_options-wise
#pragma GCC target ("avx512bw")
#pragma GCC target ("avx512vl")
works as
#pragma GCC target ("avx512bw,avx512vl")
when considering current_target_pragma it works as
#pragma GCC target ("avx512vl")
only. I'll attach a fix for this soon.
Another thing is that
/* Doesn't require avx512vl target and is used in avx512dqintrin.h. */
extern __inline __m128i
__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
_mm_setzero_di (void)
{
return __extension__ (__m128i)(__v2di){ 0LL, 0LL};
}
looks just wrong to me in avx512vlintrin.h.
While it indeed doesn't need AVX512VL, I think that intrinsic needs SSE2 at
least, because otherwise __v2di and __m128i don't really work.
Why do we have that intrinsic at all and use it? Can't find it in AVX512
manuals, and don't see it in ICC headers either? Can't we just use
_mm_setzero_si128 instead? I mean, even _mm_setzero_si128 is used in other
spots even when cast to e.g. __v8hi, or __v16qi, or _mm256_setzero_si256 is
used
when cast to __v8si even when _mm256_setzero_si256 builds __v4di rather than
__v8si.
And the last thing to consider is if sse-22.c shouldn't have
avx5124fmaps,avx5124vnniw added to
#pragma GCC target
("avx,avx2,rdrnd,fsgsbase,f16c,rtm,avx512f,avx512er,avx512cd,avx512pf,sha,avx512vl,avx512bw,avx512dq,avx512ifma,avx512vbmi")
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Subject: [Bug target/78451] [7 Regression] FAIL: gcc.target/i386/sse-22a.c: error: inlining failed in call to always_inline '_mm512_setzero_ps'
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Jakub Jelinek <jakub at gcc dot gnu.org> changed:
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--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 40108
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40108&action=edit
gcc7-pr78451.patch
Untested fix for the first issue.
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Subject: [Bug tree-optimization/77673] [5/6/7 Regression] 4-byte load generated instead of 1-byte load, possibly reading past the end of object
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Thomas Preud'homme <thopre01 at gcc dot gnu.org> changed:
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--- Comment #6 from Thomas Preud'homme <thopre01 at gcc dot gnu.org> ---
(In reply to Thomas Preud'homme from comment #5)
> Got a patch, testing it now.
Bootstrapped and testsuite came back clean. Trying to turn the code in
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77673#c0 into a testcase. Expect a
patch soon.
Best regards.
>From gcc-bugs-return-544558-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 11:33:35 2016
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Subject: [Bug tree-optimization/77673] [5/6/7 Regression] 4-byte load generated instead of 1-byte load, possibly reading past the end of object
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Thomas Preud'homme <thopre01 at gcc dot gnu.org> changed:
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>From gcc-bugs-return-544560-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 11:43:06 2016
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Subject: [Bug c++/78469] New: [7 Regression] defaulted default constructor causes bogus requirement for accessible destructor
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Bug ID: 78469
Summary: [7 Regression] defaulted default constructor causes
bogus requirement for accessible destructor
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Originally added as a comment on Bug 57082 and bisected to r239783:
struct no_destr {
no_destr() = default;
protected:
~no_destr() = default;
};
int main()
{
// error: 'no_destr::~no_destr()' is protected within this context
new no_destr ();
}
>From gcc-bugs-return-544559-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 11:36:04 2016
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Subject: [Bug c++/57082] brace initialization requires public destructor
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--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Stephane Kaloustian from comment #3)
> In my understanding, this is related to the creation of a copy.
> Using g++ (GCC) 4.8.5 20150623 (Red Hat 4.8.5-4):
No, that's a completely different issue, and was fixed for GCC 4.9.0, see Bug
50025.
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Subject: [Bug c++/57082] brace initialization requires public destructor
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--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to lucdanton from comment #1)
> Using a very similar testcase I bisected the issue to r239783:
>
> //----------
> struct no_destr {
> no_destr() = default;
> protected:
> ~no_destr() = default;
> };
>
> int main()
> {
> // error: 'no_destr::~no_destr()' is protected within this context
> new no_destr {};
> }
And that doesn't depend on brace-init either, so is a different issue. I've
reported it as Bug 78469
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Subject: [Bug fortran/78443] [OOP] Incorrect behavior with non_overridable keyword
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janus at gcc dot gnu.org changed:
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----------------------------------------------------------------------------
CC| |mrestelli at gmail dot com
--- Comment #5 from janus at gcc dot gnu.org ---
*** Bug 61284 has been marked as a duplicate of this bug. ***
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Subject: [Bug fortran/61284] [OOP] non_overridable produces segmentation fault
Date: Tue, 22 Nov 2016 11:44:00 -0000
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janus at gcc dot gnu.org changed:
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--- Comment #2 from janus at gcc dot gnu.org ---
I think this is the same problem as PR78443. The fix posted there also fixes
the test case here.
*** This bug has been marked as a duplicate of bug 78443 ***
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From: "redi at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c++/78462] feature request: need function default arguments
Date: Tue, 22 Nov 2016 11:52:00 -0000
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Jonathan Wakely <redi at gcc dot gnu.org> changed:
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--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Jim Michaels from comment #0)
> #include <string>
> const std::string test="wish";//global var or const, but const gives me
> headaches
> a(int b, int wish1=2, const wish2=test) {
> ...
> }
This doesn't compile because "const wish2" is not a valid type, you haven't
defined any type called wish2. Your function is also missing a return type.
If you write valid C++ it works fine:
#include <string>
const std::string test="wish";
int a(int b, int wish1=2, const std::string wish2=test) {
}
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Subject: [Bug c++/78469] [7 Regression] defaulted default constructor causes bogus requirement for accessible destructor
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Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2016-11-22
CC| |jason at gcc dot gnu.org
Known to work| |5.3.0, 6.2.0
Ever confirmed|0 |1
Known to fail| |7.0
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Subject: [Bug c++/78469] [7 Regression] defaulted default constructor causes bogus requirement for accessible destructor
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Richard Biener <rguenth at gcc dot gnu.org> changed:
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Subject: [Bug tree-optimization/77673] [5/6/7 Regression] 4-byte load generated instead of 1-byte load, possibly reading past the end of object
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Richard Biener <rguenth at gcc dot gnu.org> changed:
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From: "janus at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug fortran/42112] overloaded function with allocatable result problem
Date: Tue, 22 Nov 2016 12:04:00 -0000
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janus at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |janus at gcc dot gnu.org
Resolution|--- |FIXED
Target Milestone|--- |4.7.4
Known to fail| |4.7.4, 4.8.4
--- Comment #11 from janus at gcc dot gnu.org ---
> (In reply to Dominique d'Humieres from comment #9)
> > This seems to have been fixed at least for 4.8.4.
Confirmed. I don't get any runtime error with 4.7.4 either.
(In reply to Mikael Morin from comment #10)
> Hum, if one changes the comment #0 to output the value of p, it outputs 0
> instead of 2
That's correct, because the result 'i' of the function 'f' is not being set
anywhere.
Obvious this issue has been fixed. Closing.
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Subject: [Bug fortran/78466] [coarray] Explicit cobounds of a procedures parameter not respected
Date: Tue, 22 Nov 2016 12:12:00 -0000
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--- Comment #2 from vehre at gcc dot gnu.org ---
Another issue I noticed is that with -O2 the code
allocate (A[1:4,-5:*])
if (.not. allocated(A)) error stop
stops instead of continuing like it does with all other levels of optimization.
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Subject: [Bug target/78439] [7 Regression] error: insn does not satisfy its constraints (arm-linux-gnueabihf)
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--- Comment #10 from ktkachov at gcc dot gnu.org ---
Author: ktkachov
Date: Tue Nov 22 12:12:05 2016
New Revision: 242695
URL: https://gcc.gnu.org/viewcvs?rev=242695&root=gcc&view=rev
Log:
[ARM] PR target/78439: Update movdi constraints for Cortex-A8 tuning to handle
LDRD/STRD
PR target/78439
* config/arm/vfp.md (*movdi_vfp_cortexa8): Use 'q' constraints for the
register operand in alternatives 4,5,6.
* gcc.c-torture/compile/pr78439.c: New test.
Added:
trunk/gcc/testsuite/gcc.c-torture/compile/pr78439.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/arm/vfp.md
trunk/gcc/testsuite/ChangeLog
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Subject: [Bug target/78439] [7 Regression] error: insn does not satisfy its constraints (arm-linux-gnueabihf)
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ktkachov at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #11 from ktkachov at gcc dot gnu.org ---
Fixed.
>From gcc-bugs-return-544572-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 12:19:45 2016
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From: "freddie_chopin at op dot pl" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/77904] [ARM Cortex-M0] Frame pointer thrashes registers if assembly statements with "sp" clobber are used
Date: Tue, 22 Nov 2016 12:20:00 -0000
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--- Comment #7 from Freddie Chopin <freddie_chopin at op dot pl> ---
Could this be also backported to the gcc-6 branch? I guess there will be 6.3
version (possibly before first 7.x version), so it would be nice to have this
patch there (;
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Subject: [Bug target/77904] [ARM Cortex-M0] Frame pointer thrashes registers if assembly statements with "sp" clobber are used
Date: Tue, 22 Nov 2016 12:32:00 -0000
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--- Comment #8 from Thomas Preud'homme <thopre01 at gcc dot gnu.org> ---
(In reply to Freddie Chopin from comment #7)
> Could this be also backported to the gcc-6 branch? I guess there will be 6.3
> version (possibly before first 7.x version), so it would be nice to have
> this patch there (;
Yes that's planned once the patch has cooked in trunk for at least a week
without any report of a regression.
Best regards.
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Subject: [Bug sanitizer/69278] Confusion option handling for -sanitize-recovery=alll
Date: Tue, 22 Nov 2016 13:09:00 -0000
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--- Comment #5 from Martin Liška <marxin at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #4)
> Maybe llvm doesn't care about backwards compatibility, but we do.
Sure, are we going to make a behavior change (and document it) in upcoming
release? If so, I can prepare a patch including the documentation change.
>From gcc-bugs-return-544575-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 13:09:35 2016
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Subject: [Bug target/78012] -mfpxx produces assembly code using odd FP registers on MIPS
Date: Tue, 22 Nov 2016 13:10:00 -0000
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Maciej W. Rozycki <macro@linux-mips.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |macro@linux-mips.org
--- Comment #2 from Maciej W. Rozycki <macro@linux-mips.org> ---
I can't reproduce your problem with either test case and:
mips-mti-linux-gnu-gcc (GCC) 7.0.0 20161117 (experimental)
-- code produced assembles correctly and visual inspection of the
assembly reveals no odd-numbered FGR operands throughout.
Would you therefore please reconfirm this issue still triggers with
current HEAD, and if so, then report the details of your compilation as
shown with the `-v' flag added to your invocation line?
>From gcc-bugs-return-544576-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 13:10:45 2016
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Subject: [Bug libgomp/78468] [7 regression] libgomp.c/reduction-10.c and many more FAIL
Date: Tue, 22 Nov 2016 13:11:00 -0000
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Rainer Orth <ro at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |ebotcazou at gcc dot gnu.org,
| |krebbel at gcc dot gnu.org,
| |vogt at linux dot vnet.ibm.com
--- Comment #2 from Rainer Orth <ro at gcc dot gnu.org> ---
I just did: the reghunt indentified the following patch as the culprit:
2016-11-18 Dominik Vogt <vogt@linux.vnet.ibm.com>
Re-apply after PR bootstrap/77359 is fixed:
2016-08-23 Dominik Vogt <vogt@linux.vnet.ibm.com>
* explow.c (get_dynamic_stack_size): Take known alignment of stack
pointer + STACK_DYNAMIC_OFFSET into account when calculating the
size needed.
Rainer
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Subject: [Bug target/59174] [avr] Suboptimal multiplication when indexing an array
Date: Tue, 22 Nov 2016 13:24:00 -0000
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Georg-Johann Lay <gjl at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |6.0
--- Comment #2 from Georg-Johann Lay <gjl at gcc dot gnu.org> ---
Appears this has been fixed with v6; since then the generated code reads
test:
ldi r18,lo8(12)
mul r24,r18
movw r24,r0
clr __zero_reg__
subi r24,lo8(-(foo))
sbci r25,hi8(-(foo))
ret
Closed thusly.
>From gcc-bugs-return-544578-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 13:24:41 2016
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Subject: [Bug libgomp/78468] [7 regression] libgomp.c/reduction-10.c and many more FAIL
Date: Tue, 22 Nov 2016 13:26:00 -0000
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--- Comment #3 from Dominik Vogt <vogt at linux dot vnet.ibm.com> ---
That very liekely means that libgomp has a buffer overflow in memory allocated
dynamically on the stack.
>From gcc-bugs-return-544579-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 13:26:51 2016
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From: "frankbozar.cs02 at g2 dot nctu.edu.tw" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c++/78470] New: static class member cannot be reference by algorithm functions with -O0 option
Date: Tue, 22 Nov 2016 13:32:00 -0000
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Bug ID: 78470
Summary: static class member cannot be reference by algorithm
functions with -O0 option
Product: gcc
Version: 6.2.0
Status: UNCONFIRMED
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Priority: P3
Component: c++
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Created attachment 40109
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40109&action=edit
the preprocessed file
$ g++ -v
Using built-in specs.
COLLECT_GCC=g++-6
COLLECT_LTO_WRAPPER=/usr/local/Cellar/gcc/6.2.0/libexec/gcc/x86_64-apple-darwin15.6.0/6.2.0/lto-wrapper
Target: x86_64-apple-darwin15.6.0
Configured with: ../configure --build=x86_64-apple-darwin15.6.0
--prefix=/usr/local/Cellar/gcc/6.2.0
--libdir=/usr/local/Cellar/gcc/6.2.0/lib/gcc/6
--enable-languages=c,c++,objc,obj-c++,fortran --program-suffix=-6
--with-gmp=/usr/local/opt/gmp --with-mpfr=/usr/local/opt/mpfr
--with-mpc=/usr/local/opt/libmpc --with-isl=/usr/local/opt/isl
--with-system-zlib --enable-libstdcxx-time=yes --enable-stage1-checking
--enable-checking=release --enable-lto --with-build-config=bootstrap-debug
--disable-werror --with-pkgversion='Homebrew gcc 6.2.0 --without-multilib'
--with-bugurl=https://github.com/Homebrew/homebrew/issues --enable-plugin
--disable-nls --disable-multilib --with-native-system-header-dir=/usr/include
--with-sysroot=/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk
Thread model: posix
gcc version 6.2.0 (Homebrew gcc 6.2.0 --without-multilib)
This piece of code compiles with any level of optimization except that -O0
gives an error.
==================================================
#include<algorithm>
struct foo
{
static constexpr int bar=100;
int operator()() const
{
return std::max(bar, bar);//got an error here
}
} F;
int main()
{
F();
}
==================================================
$ g++ -std=c++14 -O0 bug.cpp
Undefined symbols for architecture x86_64:
"foo::bar", referenced from:
foo::operator()() const in ccCz1Nua.o
ld: symbol(s) not found for architecture x86_64
collect2: error: ld returned 1 exit status
With a bit of modification, it works with -O0.
==================================================
#include<algorithm>
struct foo
{
static constexpr int bar=100;
int operator()() const
{
return (bar, bar);//this line is modified
}
} F;
int main()
{
F();
}
==================================================
It also happens when using -std=c++11, and the on linux platform.
>g++ -v
Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.1/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /build/gcc/src/gcc/configure --prefix=/usr --libdir=/usr/lib
--libexecdir=/usr/lib --mandir=/usr/share/man --infodir=/usr/share/info
--with-bugurl=https://bugs.archlinux.org/
--enable-languages=c,c++,ada,fortran,go,lto,objc,obj-c++ --enable-shared
--enable-threads=posix --enable-libmpx --with-system-zlib --with-isl
--enable-__cxa_atexit --disable-libunwind-exceptions --enable-clocale=gnu
--disable-libstdcxx-pch --disable-libssp --enable-gnu-unique-object
--enable-linker-build-id --enable-lto --enable-plugin
--enable-install-libiberty --with-linker-hash-style=gnu
--enable-gnu-indirect-function --disable-multilib --disable-werror
--enable-checking=release
Thread model: posix
gcc version 6.2.1 20160830 (GCC)
>From gcc-bugs-return-544580-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 13:32:02 2016
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From: "andrewm.roberts at sky dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug bootstrap/78471] New: gcc-7-20161120 and truck fail to build on armv7l with ICE in cp-demangle.c, earlier snapshots ok
Date: Tue, 22 Nov 2016 13:35:00 -0000
X-Bugzilla-Reason: CC
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X-Bugzilla-Component: bootstrap
X-Bugzilla-Version: 7.0
X-Bugzilla-Keywords:
X-Bugzilla-Severity: normal
X-Bugzilla-Who: andrewm.roberts at sky dot com
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78471
Bug ID: 78471
Summary: gcc-7-20161120 and truck fail to build on armv7l with
ICE in cp-demangle.c, earlier snapshots ok
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
Assignee: unassigned at gcc dot gnu.org
Reporter: andrewm.roberts at sky dot com
Target Milestone: ---
Created attachment 40110
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40110&action=edit
Preprocessed gcc source file
Building gcc-7-20161120 and truck as of 20161122 fail to build on armv7l
(Raspberry Pi 3) with an ICE. Earlier weekly snapshots have been fine (tested
previous snapshot again with current arch toolchain and its fine).
The 20161120 snapshot builds ok on x86_64 (centos 7) and aarch64 (Arch,
odroid-c2).
Host GCC:
gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/armv7l-unknown-linux-gnueabihf/6.2.1/lto-wrapper
Target: armv7l-unknown-linux-gnueabihf
Configured with: /build/gcc/src/gcc/configure --prefix=/usr --libdir=/usr/lib
--libexecdir=/usr/lib --mandir=/usr/share/man --infodir=/usr/share/info
--with-bugurl=https://github.com/archlinuxarm/PKGBUILDs/issues
--enable-languages=c,c++,fortran,go,lto,objc,obj-c++ --enable-shared
--enable-threads=posix --with-system-zlib --with-isl --enable-__cxa_atexit
--disable-libunwind-exceptions --enable-clocale=gnu --disable-libstdcxx-pch
--disable-libssp --enable-gnu-unique-object --enable-linker-build-id
--enable-lto --enable-plugin --enable-install-libiberty
--with-linker-hash-style=gnu --enable-gnu-indirect-function --disable-multilib
--disable-werror --enable-checking=release
--host=armv7l-unknown-linux-gnueabihf --build=armv7l-unknown-linux-gnueabihf
--with-arch=armv7-a --with-float=hard --with-fpu=vfpv3-d16
Thread model: posix
gcc version 6.2.1 20160830 (GCC)
Host ld:
ld -v
GNU ld (GNU Binutils) 2.27
uname -a
Linux alarmpi 4.4.33-1-ARCH #1 SMP Sat Nov 19 14:09:17 MST 2016 armv7l
GNU/Linux
Host is a Raspberry Pi 3 running Arch Linux.
Configured with:
../gcc-7.0.0/configure --prefix=/usr/local/gcc-7.0.0 --program-suffix=
--disable-werror --enable-shared --enable-threads=posix
--enablechecking=release --with-system-zlib --enable-__cxa_atexit
--disable-libunwind-exceptions --enable-gnu-unique-object
--enable-linker-build-id --with-linker-hash-style=gnu --enable-plugin
--enable-gnu-indirect-function --enable-lto --with-isl
--enable-languages=c,c++,fortran --disable-libgcj --enable-clocale=gnu
--disable-libstdcxx-pch --enable-install-libiberty --disable-multilib
--disable-libssp --host=armv7l-unknown-linux-gnueabihf
--build=armv7l-unknown-linux-gnueabihf --with-arch=armv7-a --with-float=hard
--with-fpu=vfpv3-d16 --disable-bootstrap
Built using:
make
Intree libraries used:
gmpver=6.1.1
mpcver=1.0.3
mpfrver=3.1.5
cloogver=0.18.1
islver=0.16.1
The build fails in:
armv7l-unknown-linux-gnueabihf/libsanitizer/libbacktrace
building cp-demangle.c
Compiler output:
cd
/home/alarm/gcc/gcc-build/armv7l-unknown-linux-gnueabihf/libsanitizer/libbacktrace
[root@alarmpi libbacktrace]# /home/alarm/gcc/gcc-build/./gcc/xgcc -v
-save-temps -B/home/alarm/gcc/gcc-build/./gcc/
-B/usr/local/gcc-7.0.0/armv7l-unknown-linux-gnueabihf/bin/
-B/usr/local/gcc-7.0.0/armv7l-unknown-linux-gnueabihf/lib/ -isystem
/usr/local/gcc-7.0.0/armv7l-unknown-linux-gnueabihf/include -isystem
/usr/local/gcc-7.0.0/armv7l-unknown-linux-gnueabihf/sys-include -DHAVE_CONFIG_H
-I. -I../../../../gcc-7.0.0/libsanitizer/libbacktrace -I.. -I
../../../../gcc-7.0.0/libsanitizer/../include -I
../../../../gcc-7.0.0/libsanitizer/../libgcc -I ../../libgcc -I .. -I
../../../../gcc-7.0.0/libsanitizer -I
../../../../gcc-7.0.0/libsanitizer/../libbacktrace -W -Wall -Wwrite-strings
-Wmissing-format-attribute -Wcast-qual -Werror -Wstrict-prototypes
-Wmissing-prototypes -Wold-style-definition -g -O2 -march=armv7-a -pipe -MT
cp-demangle.lo -MD -MP -MF .deps/cp-demangle.Tpo -c
../../../../gcc-7.0.0/libsanitizer/libbacktrace/../../libiberty/cp-demangle.c
-o cp-demangle.o
xgcc: warning: -pipe ignored because -save-temps specified
Reading specs from /home/alarm/gcc/gcc-build/./gcc/specs
COLLECT_GCC=/home/alarm/gcc/gcc-build/./gcc/xgcc
Target: armv7l-unknown-linux-gnueabihf
Configured with: ../gcc-7.0.0/configure --prefix=/usr/local/gcc-7.0.0
--program-suffix= --disable-werror --enable-shared --enable-threads=posix
--enable-checking=release --with-system-zlib --enable-__cxa_atexit
--disable-libunwind-exceptions --enable-gnu-unique-object
--enable-linker-build-id --with-linker-hash-style=gnu --enable-plugin
--enable-gnu-indirect-function --enable-lto --with-isl
--enable-languages=c,c++,fortran --disable-libgcj --enable-clocale=gnu
--disable-libstdcxx-pch --enable-install-libiberty --disable-multilib
--disable-libssp --host=armv7l-unknown-linux-gnueabihf
--build=armv7l-unknown-linux-gnueabihf --with-arch=armv7-a --with-float=hard
--with-fpu=vfpv3-d16 --disable-bootstrap
Thread model: posix
gcc version 7.0.0 20161122 (experimental) (GCC)
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-B' '/home/alarm/gcc/gcc-build/./gcc/'
'-B' '/usr/local/gcc-7.0.0/armv7l-unknown-linux-gnueabihf/bin/' '-B'
'/usr/local/gcc-7.0.0/armv7l-unknown-linux-gnueabihf/lib/' '-isystem'
'/usr/local/gcc-7.0.0/armv7l-unknown-linux-gnueabihf/include' '-isystem'
'/usr/local/gcc-7.0.0/armv7l-unknown-linux-gnueabihf/sys-include' '-D'
'HAVE_CONFIG_H' '-I' '.' '-I' '../../../../gcc-7.0.0/libsanitizer/libbacktrace'
'-I' '..' '-I' '../../../../gcc-7.0.0/libsanitizer/../include' '-I'
'../../../../gcc-7.0.0/libsanitizer/../libgcc' '-I' '../../libgcc' '-I' '..'
'-I' '../../../../gcc-7.0.0/libsanitizer' '-I'
'../../../../gcc-7.0.0/libsanitizer/../libbacktrace' '-Wextra' '-Wall'
'-Wwrite-strings' '-Wsuggest-attribute=format' '-Wcast-qual' '-Werror'
'-Wstrict-prototypes' '-Wmissing-prototypes' '-Wold-style-definition' '-g'
'-O2' '-march=armv7-a' '-pipe' '-MT' 'cp-demangle.lo' '-MD' '-MP' '-MF'
'.deps/cp-demangle.Tpo' '-c' '-o' 'cp-demangle.o' '-mfloat-abi=hard'
'-mfpu=vfpv3-d16' '-mtls-dialect=gnu'
/home/alarm/gcc/gcc-build/./gcc/cc1 -E -quiet -v -I . -I
../../../../gcc-7.0.0/libsanitizer/libbacktrace -I .. -I
../../../../gcc-7.0.0/libsanitizer/../include -I
../../../../gcc-7.0.0/libsanitizer/../libgcc -I ../../libgcc -I .. -I
../../../../gcc-7.0.0/libsanitizer -I
../../../../gcc-7.0.0/libsanitizer/../libbacktrace -iprefix
/home/alarm/gcc/gcc-build/gcc/../lib/gcc/armv7l-unknown-linux-gnueabihf/7.0.0/
-isystem /home/alarm/gcc/gcc-build/./gcc/include -isystem
/home/alarm/gcc/gcc-build/./gcc/include-fixed -MD cp-demangle.d -MF
.deps/cp-demangle.Tpo -MP -MT cp-demangle.lo -D HAVE_CONFIG_H -isystem
/usr/local/gcc-7.0.0/armv7l-unknown-linux-gnueabihf/include -isystem
/usr/local/gcc-7.0.0/armv7l-unknown-linux-gnueabihf/sys-include
../../../../gcc-7.0.0/libsanitizer/libbacktrace/../../libiberty/cp-demangle.c
-march=armv7-a -mfloat-abi=hard -mfpu=vfpv3-d16 -mtls-dialect=gnu -Wextra -Wall
-Wwrite-strings -Wsuggest-attribute=format -Wcast-qual -Werror
-Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -g
-fworking-directory -O2 -fpch-preprocess -o cp-demangle.i
ignoring nonexistent directory
"/usr/local/gcc-7.0.0/armv7l-unknown-linux-gnueabihf/include"
ignoring nonexistent directory
"/usr/local/gcc-7.0.0/armv7l-unknown-linux-gnueabihf/sys-include"
ignoring nonexistent directory
"/home/alarm/gcc/gcc-build/gcc/../lib/gcc/armv7l-unknown-linux-gnueabihf/7.0.0/include"
ignoring nonexistent directory
"/home/alarm/gcc/gcc-build/gcc/../lib/gcc/armv7l-unknown-linux-gnueabihf/7.0.0/include-fixed"
ignoring nonexistent directory
"/home/alarm/gcc/gcc-build/gcc/../lib/gcc/armv7l-unknown-linux-gnueabihf/7.0.0/../../../../armv7l-unknown-linux-gnueabihf/include"
ignoring nonexistent directory
"/home/alarm/gcc/gcc-build/gcc/../lib/gcc/../../lib/gcc/armv7l-unknown-linux-gnueabihf/7.0.0/include"
ignoring nonexistent directory
"/home/alarm/gcc/gcc-build/gcc/../lib/gcc/../../include"
ignoring nonexistent directory
"/home/alarm/gcc/gcc-build/gcc/../lib/gcc/../../lib/gcc/armv7l-unknown-linux-gnueabihf/7.0.0/include-fixed"
ignoring nonexistent directory
"/home/alarm/gcc/gcc-build/gcc/../lib/gcc/../../lib/gcc/armv7l-unknown-linux-gnueabihf/7.0.0/../../../../armv7l-unknown-linux-gnueabihf/include"
ignoring duplicate directory ".."
#include "..." search starts here:
#include <...> search starts here:
.
../../../../gcc-7.0.0/libsanitizer/libbacktrace
/home/alarm/gcc/gcc-build/./gcc/include
/home/alarm/gcc/gcc-build/./gcc/include-fixed
/usr/local/include
/usr/include
End of search list.
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-B' '/home/alarm/gcc/gcc-build/./gcc/'
'-B' '/usr/local/gcc-7.0.0/armv7l-unknown-linux-gnueabihf/bin/' '-B'
'/usr/local/gcc-7.0.0/armv7l-unknown-linux-gnueabihf/lib/' '-isystem'
'/usr/local/gcc-7.0.0/armv7l-unknown-linux-gnueabihf/include' '-isystem'
'/usr/local/gcc-7.0.0/armv7l-unknown-linux-gnueabihf/sys-include' '-D'
'HAVE_CONFIG_H' '-I' '.' '-I' '../../../../gcc-7.0.0/libsanitizer/libbacktrace'
'-I' '..' '-I' '../../../../gcc-7.0.0/libsanitizer/../include' '-I'
'../../../../gcc-7.0.0/libsanitizer/../libgcc' '-I' '../../libgcc' '-I' '..'
'-I' '../../../../gcc-7.0.0/libsanitizer' '-I'
'../../../../gcc-7.0.0/libsanitizer/../libbacktrace' '-Wextra' '-Wall'
'-Wwrite-strings' '-Wsuggest-attribute=format' '-Wcast-qual' '-Werror'
'-Wstrict-prototypes' '-Wmissing-prototypes' '-Wold-style-definition' '-g'
'-O2' '-march=armv7-a' '-pipe' '-MT' 'cp-demangle.lo' '-MD' '-MP' '-MF'
'.deps/cp-demangle.Tpo' '-c' '-o' 'cp-demangle.o' '-mfloat-abi=hard'
'-mfpu=vfpv3-d16' '-mtls-dialect=gnu'
/home/alarm/gcc/gcc-build/./gcc/cc1 -fpreprocessed cp-demangle.i -quiet
-dumpbase cp-demangle.c -march=armv7-a -mfloat-abi=hard -mfpu=vfpv3-d16
-mtls-dialect=gnu -auxbase-strip cp-demangle.o -g -O2 -Wextra -Wall
-Wwrite-strings -Wsuggest-attribute=format -Wcast-qual -Werror
-Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -version -o
cp-demangle.s
GNU C11 (GCC) version 7.0.0 20161122 (experimental)
(armv7l-unknown-linux-gnueabihf)
compiled by GNU C version 6.2.1 20160830, GMP version 6.1.1, MPFR
version 3.1.5, MPC version 1.0.3, isl version 0.15
GGC heuristics: --param ggc-min-expand=93 --param ggc-min-heapsize=118046
GNU C11 (GCC) version 7.0.0 20161122 (experimental)
(armv7l-unknown-linux-gnueabihf)
compiled by GNU C version 6.2.1 20160830, GMP version 6.1.1, MPFR
version 3.1.5, MPC version 1.0.3, isl version 0.15
GGC heuristics: --param ggc-min-expand=93 --param ggc-min-heapsize=118046
Compiler executable checksum: 89cee8f42ac1d0bd3e9a3d04a35ccf65
../../../../gcc-7.0.0/libsanitizer/libbacktrace/../../libiberty/cp-demangle.c:
In function ‘d_print_comp_inner’:
../../../../gcc-7.0.0/libsanitizer/libbacktrace/../../libiberty/cp-demangle.c:4946:7:
error: this statement may fall through [-Werror=implicit-fallthrough=]
{
^
../../../../gcc-7.0.0/libsanitizer/libbacktrace/../../libiberty/cp-demangle.c:5016:5:
note: here
case DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL:
^~~~
../../../../gcc-7.0.0/libsanitizer/libbacktrace/../../libiberty/cp-demangle.c:
In function ‘d_print_mod’:
../../../../gcc-7.0.0/libsanitizer/libbacktrace/../../libiberty/cp-demangle.c:5846:7:
error: this statement may fall through [-Werror=implicit-fallthrough=]
d_append_char (dpi, ' ');
^~~~~~~~~~~~~~~~~~~~~~~~
../../../../gcc-7.0.0/libsanitizer/libbacktrace/../../libiberty/cp-demangle.c:5848:5:
note: here
case DEMANGLE_COMPONENT_REFERENCE:
^~~~
../../../../gcc-7.0.0/libsanitizer/libbacktrace/../../libiberty/cp-demangle.c:5852:7:
error: this statement may fall through [-Werror=implicit-fallthrough=]
d_append_char (dpi, ' ');
^~~~~~~~~~~~~~~~~~~~~~~~
../../../../gcc-7.0.0/libsanitizer/libbacktrace/../../libiberty/cp-demangle.c:5854:5:
note: here
case DEMANGLE_COMPONENT_RVALUE_REFERENCE:
^~~~
../../../../gcc-7.0.0/libsanitizer/libbacktrace/../../libiberty/cp-demangle.c:
In function ‘is_ctor_or_dtor’:
../../../../gcc-7.0.0/libsanitizer/libbacktrace/../../libiberty/cp-demangle.c:6490:1:
error: insn does not satisfy its constraints:
}
^
(insn 190 27 80 2 (set (mem/c:DI (plus:SI (reg/f:SI 11 fp)
(const_int -56 [0xffffffffffffffc8])) [3 di.num_comps+0 S8
A32])
(reg:DI 12 ip))
"../../../../gcc-7.0.0/libsanitizer/libbacktrace/../../libiberty/cp-demangle.c":6442
633 {*movdi_vfp_cortexa8}
(nil))
../../../../gcc-7.0.0/libsanitizer/libbacktrace/../../libiberty/cp-demangle.c:6490:1:
internal compiler error: in extract_constrain_insn, at recog.c:2213
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
>From gcc-bugs-return-544581-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 13:35:39 2016
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From: "vogt at linux dot vnet.ibm.com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libgomp/78468] [7 regression] libgomp.c/reduction-10.c and many more FAIL
Date: Tue, 22 Nov 2016 13:37:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78468
--- Comment #4 from Dominik Vogt <vogt at linux dot vnet.ibm.com> ---
Could you provide assembly dumps of the function foo() in the testcase, both,
with and without the "culprit" patch?
>From gcc-bugs-return-544582-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 13:37:22 2016
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From: "jay.foad at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug lto/78472] New: warning: type of 's' does not match original declaration from zero length bitfield in C vs C++
Date: Tue, 22 Nov 2016 13:37:00 -0000
X-Bugzilla-Reason: CC
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78472
Bug ID: 78472
Summary: warning: type of 's' does not match original
declaration from zero length bitfield in C vs C++
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: lto
Assignee: unassigned at gcc dot gnu.org
Reporter: jay.foad at gmail dot com
Target Milestone: ---
If I compile x.h as C and as C++, and link the two together with LTO, I get
this warning, which seems spurious to me:
x.h:5:3: warning: type of 's' does not match original declaration
Here's the repro:
$ cat x.h
extern struct S
{
unsigned i:4;
unsigned :0;
} s;
static void *f(void)
{
return &s;
}
$ gcc -o /dev/null -flto -x c x.h -x c++ x.h
x.h:5:3: warning: type of 's' does not match original declaration
[-Wlto-type-mismatch]
} s;
^
x.h:5:3: note: type 'struct S' should match type 'struct S'
} s;
^
x.h:1:15: note: the incompatible type is defined here
extern struct S
^
x.h:5:3: note: 's' was previously declared here
} s;
^
x.h:5:3: note: code may be misoptimized unless -fno-strict-aliasing is used
$ gcc -v
Using built-in specs.
COLLECT_GCC=/home/jay/gcc/local/bin/gcc
COLLECT_LTO_WRAPPER=/home/jay/gcc/local/libexec/gcc/x86_64-pc-linux-gnu/7.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /home/jay/svn/gcc/trunk/configure --prefix=/home/jay/gcc/local
--disable-bootstrap --enable-languages=c,c++,lto
Thread model: posix
gcc version 7.0.0 20161122 (experimental) (GCC)
I built this compiler from source at svn r242695.
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Subject: [Bug gcov-profile/78467] [7 regression] gcc.dg/tree-prof/comp-goto-1.c FAILs
Date: Tue, 22 Nov 2016 13:39:00 -0000
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Rainer Orth <ro at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |segher at gcc dot gnu.org
--- Comment #1 from Rainer Orth <ro at gcc dot gnu.org> ---
A reghunt identified this patch as the culprit:
2016-11-18 Segher Boessenkool <segher@kernel.crashing.org>
PR rtl-optimization/71785
* bb-reorder.c (maybe_duplicate_computed_goto): New function.
(duplicate_computed_gotos): New function.
(pass_duplicate_computed_gotos::execute): Rewrite.
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Subject: [Bug target/78439] [7 Regression] error: insn does not satisfy its constraints (arm-linux-gnueabihf)
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ktkachov at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |andrewm.roberts at sky dot com
--- Comment #12 from ktkachov at gcc dot gnu.org ---
*** Bug 78471 has been marked as a duplicate of this bug. ***
>From gcc-bugs-return-544585-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 13:39:48 2016
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Subject: [Bug bootstrap/78471] gcc-7-20161120 and truck fail to build on armv7l with ICE in cp-demangle.c, earlier snapshots ok
Date: Tue, 22 Nov 2016 13:49:00 -0000
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ktkachov at gcc dot gnu.org changed:
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----------------------------------------------------------------------------
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CC| |ktkachov at gcc dot gnu.org
Resolution|--- |DUPLICATE
--- Comment #1 from ktkachov at gcc dot gnu.org ---
Dup. Please try r242695 or later
*** This bug has been marked as a duplicate of bug 78439 ***
>From gcc-bugs-return-544586-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 13:49:54 2016
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Subject: [Bug gcov-profile/78467] [7 regression] gcc.dg/tree-prof/comp-goto-1.c FAILs
Date: Tue, 22 Nov 2016 13:52:00 -0000
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--- Comment #2 from Andreas Schwab <schwab@linux-m68k.org> ---
Same fix as r242629.
>From gcc-bugs-return-544587-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 13:52:03 2016
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From: "trippels at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c++/78470] static class member cannot be reference by algorithm functions with -O0 option
Date: Tue, 22 Nov 2016 13:55:00 -0000
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Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
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CC| |trippels at gcc dot gnu.org
Resolution|--- |INVALID
--- Comment #1 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
Yes, this is expected. You can either use -std=c++1z.
Otherwise, if a constexpr static data member is odr-used, a definition at
namespace scope is required.
>From gcc-bugs-return-544588-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 13:55:51 2016
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From: "webrown.cpp at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/78473] New: Enhancement request: __builtin_div_overflow
Date: Tue, 22 Nov 2016 13:59:00 -0000
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Bug ID: 78473
Summary: Enhancement request: __builtin_div_overflow
Product: gcc
Version: unknown
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https://gcc.gnu.org/onlinedocs/gcc/Integer-Overflow-Builtins.html documents gcc
intrinsic functions to perform integer arithmetic with overflow checking.
Addition, subtraction, and multiplication are supported, but division is not.
However, division can overflow, for any of at least three different reasons:
(1) For a signed 2s-complement integer type T, consider dividing the most
negative value by T(-1); the result can't be represented in T.
(2) There are also cases involving mixed types such that the quotient can't be
represented in the smaller type or in a too-small third type.
(3) There's also the always-delightful division by zero opportunity.
I am therefore writing to request that division be supported as a future
enhancement to current functionality. Both the __builtin_*div_overflow and
__builtin_div_overflow_p forms would be useful, IMO.
It also seems useful to support a remainder operation in some manner, either as
a separate set of functions or perhaps via extra arguments to the division
functions.
Thanks very much.
>From gcc-bugs-return-544589-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 13:59:15 2016
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Subject: [Bug target/78460] [7 Regression] [SH] OOM building glibc string tst-cmp.c
Date: Tue, 22 Nov 2016 14:03:00 -0000
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Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
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Last reconfirmed| |2016-11-22
CC| |marxin at gcc dot gnu.org
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--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Simple test-case:
int foo(char *left, char *right)
{
return strncmp (left, right, 4294967295U);
}
triggers ICE after I added:
diff --git a/gcc/config/sh/sh-mem.cc b/gcc/config/sh/sh-mem.cc
index f91afa5..018d8bb 100644
--- a/gcc/config/sh/sh-mem.cc
+++ b/gcc/config/sh/sh-mem.cc
@@ -364,6 +364,7 @@ sh_expand_cmpnstr (rtx *operands)
rtx_code_label *L_end_loop_long = gen_label_rtx ();
int bytes = INTVAL (operands[3]);
+ gcc_assert (bytes >= 0);
int witers = bytes / 4;
if (witers > 1)
Looks 'int' should be replaces with unsigned HOST_WIDE_INT, but still using a
cross compiler, where host is x86_64, I get:
(gdb) p debug_rtx(operands[3])
(const_int -1 [0xffffffffffffffff])
$1 = void
and thus unsigned HOST_WIDE_INT bytes = INTVAL (operands[3]);
is 18446744073709551615 (0xffffffffffffffff).
Apart from that, I wondering why there's no limit, as for instance:
strncmp (left, right, 1000); emits battalion of instructions.
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Dominique d'Humieres <dominiq at lps dot ens.fr> changed:
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----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |DUPLICATE
--- Comment #4 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Duplicate of pr78392.
*** This bug has been marked as a duplicate of bug 78392 ***
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Subject: [Bug tree-optimization/68682] [6/7 Regression] [graphite] loop interchange no longer working after r227277
Date: Tue, 22 Nov 2016 14:05:00 -0000
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Dominique d'Humieres <dominiq at lps dot ens.fr> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2016-11-22
Ever confirmed|0 |1
--- Comment #5 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
> *** Bug 78456 has been marked as a duplicate of this bug. ***
Thus confirmed.
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Subject: [Bug fortran/78392] ICE in gfc_trans_auto_array_allocation, at fortran/trans-array.c:5979
Date: Tue, 22 Nov 2016 14:06:00 -0000
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Dominique d'Humieres <dominiq at lps dot ens.fr> changed:
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CC| |dfranke at gcc dot gnu.org
--- Comment #9 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
*** Bug 42359 has been marked as a duplicate of this bug. ***
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Subject: [Bug fortran/78474] New: gfortran accepts invalid submodule syntax
Date: Tue, 22 Nov 2016 14:12:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78474
Bug ID: 78474
Summary: gfortran accepts invalid submodule syntax
Product: gcc
Version: 6.2.1
URL: https://software.intel.com/en-us/forums/intel-fortran-
compiler-for-linux-and-mac-os-x/topic/703642
Status: UNCONFIRMED
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Target Milestone: ---
gfortran accepts invalid submodule syntax:
submodule (mtop:submod:subsubmod) subsubsubmod
the correct syntax should only have the top level module and the immediate
parent.
This issue was discussed on the Intel Fortran forum at the URL above.
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Subject: [Bug fortran/78392] ICE in gfc_trans_auto_array_allocation, at fortran/trans-array.c:5979
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--- Comment #10 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Working patch at https://gcc.gnu.org/ml/fortran/2016-11/msg00188.html.
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Subject: [Bug fortran/78474] gfortran accepts invalid submodule syntax
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Created attachment 40111
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Created attachment 40112
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Created attachment 40114
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Created attachment 40113
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Subject: [Bug libgomp/78468] [7 regression] libgomp.c/reduction-10.c and many more FAIL
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Created attachment 40115
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assembler output @ r242589
>From gcc-bugs-return-544599-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 14:14:44 2016
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From: "matt at godbolt dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/70909] Libiberty Demangler segfaults (4)
Date: Tue, 22 Nov 2016 14:15:00 -0000
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--- Comment #16 from Matt Godbolt <matt at godbolt dot org> ---
Just to be clear; I've been told GCC 6.2 is not required to compile the code I
linked; the earliest compiler it has been repro'd with is 4.9 (though we
haven't tested further back). It's also the mangled name created by the current
trunk of GCC 7.
>From gcc-bugs-return-544601-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 14:15:51 2016
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From: "ro at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug libgomp/78468] [7 regression] libgomp.c/reduction-10.c and many more FAIL
Date: Tue, 22 Nov 2016 14:21:00 -0000
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--- Comment #6 from Rainer Orth <ro at gcc dot gnu.org> ---
Created attachment 40116
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40116&action=edit
assembler output @ r242590
Assembler output with culprit patch applied.
>From gcc-bugs-return-544602-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 14:21:59 2016
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From: "roman.perepelitsa at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug libstdc++/71096] std::get did not work for nested derived classes from std::tuple if one element is empty
Date: Tue, 22 Nov 2016 14:30:00 -0000
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Roman Perepelitsa <roman.perepelitsa at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |roman.perepelitsa at gmail dot com
--- Comment #1 from Roman Perepelitsa <roman.perepelitsa at gmail dot com> ---
Slightly simpler example (no user-defined templates):
#include <tuple>
struct A {};
struct B : std::tuple<A> {};
int main() {
std::tuple<B> t;
std::get<0>(t); // compile error
}
Note that both A and B are empty in the sense of std::is_empty. If you make
either of them non-empty by adding a data member, the code will compile.
#include <tuple>
struct A { char c; }; // not empty
struct B : std::tuple<A> {};
int main() {
std::tuple<B> t;
std::get<0>(t); // compiles
}
Likewise, the code compiles when getting the element by type instead of index.
#include <tuple>
struct A {};
struct B : std::tuple<A> {};
int main() {
std::tuple<B> t;
std::get<B>(t); // compiles
}
>From gcc-bugs-return-544603-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 14:31:00 2016
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To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/78428] [5/6/7 Regression] wrong code at -O2 and -O3 on x86_64-linux-gnu in 64-bit mode
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--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
I wonder if we really need to restrict this way each field, rather than just
provide bitfield_start/bitfield_end for the whole object that is being
initialized from the constructor. I mean for var = { { 1, 2 } , { 3, 4 }, ...
};
the assignment in gimple is considered one assignment (and when not using
atomics, non-atomic one), so it is fine to extend the sizes of the subobjects
if it generates better code. We just shouldn't touch anything beyond end of
the whole object.
As for testcase, I'd hope that after the fix the testcase doesn't timeout, so I
think you don't need to set up anything special. If somebody notices it takes
too long (I think the default timeout is like 5 minutes), then the bug or some
other bug reappeared.
>From gcc-bugs-return-544604-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 14:32:44 2016
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From: "dominiq at lps dot ens.fr" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug fortran/78474] gfortran accepts invalid submodule syntax
Date: Tue, 22 Nov 2016 14:43:00 -0000
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Dominique d'Humieres <dominiq at lps dot ens.fr> changed:
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----------------------------------------------------------------------------
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Last reconfirmed| |2016-11-22
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--- Comment #5 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Confirmed on 6.2.0 and trunk (7.0).
>From gcc-bugs-return-544605-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 14:43:24 2016
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Subject: [Bug middle-end/78429] [6/7 Regression] ice on valid C code on x86_64-linux-gnu at -O3 in both 32-bit and 64-bit modes (internal compiler error: in set_value_range, at tree-vrp.c:361)
Date: Tue, 22 Nov 2016 14:49:00 -0000
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--- Comment #16 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Eric Botcazou from comment #14)
> > In the end having a bool_with_only_0_and_1 predicate rather than
> > open-coding (several variants of) the test throughout the middle-end
> > might be a good idea...
>
> Like the to be attached patch?
Yes.
>From gcc-bugs-return-544606-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 14:49:59 2016
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Subject: [Bug fortran/78474] gfortran accepts invalid submodule syntax
Date: Tue, 22 Nov 2016 14:50:00 -0000
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Paul Thomas <pault at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
Assignee|unassigned at gcc dot gnu.org |pault at gcc dot gnu.org
--- Comment #6 from Paul Thomas <pault at gcc dot gnu.org> ---
(In reply to Dominique d'Humieres from comment #5)
> Confirmed on 6.2.0 and trunk (7.0).
Steve Lionel just wrote to me about it a few minutes ago :-)
I have taken it.
Paul
>From gcc-bugs-return-544607-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 14:50:47 2016
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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/78461] [7 Regression] ICE: in operator+=, at gimple-ssa-sprintf.c:214
Date: Tue, 22 Nov 2016 14:56:00 -0000
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Jakub Jelinek <jakub at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
CC| |jakub at gcc dot gnu.org
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Slightly cleaned up testcase:
char buf[64];
void
foo (char *x)
{
__builtin_snprintf (buf, 64, "%.*s%08x", 1, x, 1);
}
>From gcc-bugs-return-544608-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 14:56:32 2016
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Subject: [Bug c++/78473] Enhancement request: __builtin_div_overflow
Date: Tue, 22 Nov 2016 14:57:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78473
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Severity|normal |enhancement
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Subject: [Bug libgomp/78468] [7 regression] libgomp.c/reduction-10.c and many more FAIL
Date: Tue, 22 Nov 2016 14:59:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78468
--- Comment #7 from Dominik Vogt <vogt at linux dot vnet.ibm.com> ---
The dumps show some differences I'd expect, but debugging libgomp testcases is
awkward because they are so complicated. In the pre-patched era, Gcc's dynamic
allocation on the stack was a bit too large most of the time (roughly by one
allocated element, but not always). This served as some kind of "saftey"
padding where programs with off-by-one bugs would write the "excess" data.
In reduction-10.c there are just two dynamic allications (for a and b in foo)
that seem to be good. However, there are more differences in the assembler
dumps, probably generated by libgomp:
--- reduction-10.s.242589 2016-11-22 15:20:27.421251695 +0100
+++ reduction-10.s.242590 2016-11-22 15:20:35.842210558 +0100
@@ -8,7 +8,7 @@
ld [%i0+16], %i2
add %i2, 1, %l5
sll %l5, 2, %g1
- add %g1, 10, %g1
+ add %g1, 7, %g1
and %g1, -8, %g1
mov 0, %g2
sub %sp, %g1, %sp
@@ -42,7 +42,7 @@
stb %g0, [%i2+%g1]
add %i3, 1, %l6
sll %l6, 2, %g1
- add %g1, 10, %g1
+ add %g1, 7, %g1
and %g1, -8, %g1
mov 0, %g2
sub %sp, %g1, %sp
@@ -57,7 +57,6 @@
add %g1, 4, %g1
add %i4, 1, %l7
sll %l7, 3, %g1
- add %g1, 8, %g1 <--- somewhat suspicious
mov 0, %g2
sub %sp, %g1, %sp
add %sp, 96, %i3
@@ -70,7 +69,7 @@
add %g1, 8, %g1
add %i5, 1, %o5
sll %o5, 2, %g1
- add %g1, 10, %g1
+ add %g1, 7, %g1
and %g1, -8, %g1
mov 0, %g2
sub %sp, %g1, %sp
@@ -87,7 +86,7 @@
mov 0, %g1
add %l4, %l4, %g2
mov -6, %g4
- add %g2, 8, %g2
+ add %g2, 7, %g2
and %g2, -8, %g2
sub %sp, %g2, %sp
add %sp, 92, %i5
@@ -427,12 +426,11 @@
add %g4, 4, %o7
add %g4, %g4, %o4
sll %o7, 3, %o3
- add %o4, 8, %g1
- add %o3, 8, %g2 <--- somewhat suspicious
+ add %o4, 7, %g1
+ sub %sp, %o3, %sp
and %g1, -8, %g1
- sub %sp, %g2, %sp
...
Note that some allocation sizes were reduces from x+10 or x+8 to x+7. This is
what the patch is about. The two "add ... 8 ..." that have vanished may or may
not have something to do with the problem. Possible causes of the symptom are:
1) The patch does not handle some corener case correctly.
2) There is an off-by-one bug in foo() that I've missed.
3) Off-by-one in libgomp.
4) 32 bit stack layout on SPARC is slightly broken. (32 bit AIX had such a
problem caused by bad alignment of the dynamic stack variables.)
To pin it down, it would help to have some simpler failing testcase than the
ones from libgomp, and if possible reduced to the minimum. Is this limited to
libgomp or are there other testcases that started failing? Also, access to
such a SPARC system would help.
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Subject: [Bug middle-end/77766] [7 Regression] wrong code at -O2 and -O3 in 64-bit mode on x86_64-linux-gnu (executable hangs)
Date: Tue, 22 Nov 2016 15:02:00 -0000
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Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jakub at gcc dot gnu.org
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Started with r239357.
>From gcc-bugs-return-544611-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 15:02:09 2016
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From: "jengelh at inai dot de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/78475] New: Mixing objects form different g++ versions can crash a program
Date: Tue, 22 Nov 2016 15:04:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78475
Bug ID: 78475
Summary: Mixing objects form different g++ versions can crash a
program
Product: gcc
Version: 6.2.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: jengelh at inai dot de
CC: rguenth at gcc dot gnu.org
Target Milestone: ---
Is mixing "finalized" object files (ET_EXEC, ET_DYN) produced by different g++
versions a supported scenario? If so, consider this:
$ cat all.h
#include <memory>
#include <cstdio>
struct handler { virtual ~handler() {} };
extern std::shared_ptr<handler> get_handler(void);
$ cat g48.cpp
#include "all.h"
std::shared_ptr<handler> get_handler(void)
{
printf("%zu\n", sizeof(std::_Sp_counted_ptr_inplace<handler,
std::allocator<handler>, (__gnu_cxx::_Lock_policy)2 >));
return std::make_shared<handler>();
}
$ cat main.cpp
#include "all.h"
int main(void)
{
printf("%zu\n", sizeof(std::_Sp_counted_ptr_inplace<handler,
std::allocator<handler>, (__gnu_cxx::_Lock_policy)2 >));
get_handler();
std::make_shared<handler>();
return 0;
}
$ g++-4.8 g48.cpp -fPIC -shared -o g48.so -std=gnu++11
$ g++-6 main.cpp -o main ./g48.so -std=gnu++11
$ ./main
24
32
Segmentation fault (core dumped)
The reason, as I have found, is that there was an ABI change in
Sp_counted_ptr_inplace which made it grow in size. Furthermore, if you
single-step through g48.cpp's make_shared, you will notice it jumps between
functions from /usr/include/c++/4.8 and /usr/include/c++/6, which I suppose is
a result of symbols
(_ZNSt23_Sp_counted_ptr_inplaceI7handlerSaIS0_ELN9__gnu_cxx12_Lock_policyE2EE14_M_get_deleterERKSt9type_info)
not being sufficiently versioned, causing weak symbols from main(.o) and
g48(.o) to trample on one another. That is to say, to remedy the problem,
_Sp_counted_ptr_inplace would need something like __attribute__((__abi_tag__
("GLIBCXX_3.4.22"))) maybe.
Compilers used:
> gcc-4.8 -v
Using built-in specs.
COLLECT_GCC=gcc-4.8
COLLECT_LTO_WRAPPER=/usr/lib64/gcc/x86_64-suse-linux/4.8/lto-wrapper
Target: x86_64-suse-linux
Configured with: ../configure --prefix=/usr --infodir=/usr/share/info
--mandir=/usr/share/man --libdir=/usr/lib64 --libexecdir=/usr/lib64
--enable-languages=c,c++,objc,fortran,obj-c++,java,ada
--enable-checking=release --with-gxx-include-dir=/usr/include/c++/4.8
--enable-ssp --disable-libssp --disable-plugin
--with-bugurl=http://bugs.opensuse.org/ --with-pkgversion='SUSE Linux'
--disable-libgcj --disable-libmudflap --with-slibdir=/lib64 --with-system-zlib
--enable-__cxa_atexit --enable-libstdcxx-allocator=new --disable-libstdcxx-pch
--enable-version-specific-runtime-libs --enable-linker-build-id
--enable-linux-futex --program-suffix=-4.8 --without-system-libunwind
--with-arch-32=i586 --with-tune=generic --build=x86_64-suse-linux
--host=x86_64-suse-linux
Thread model: posix
gcc version 4.8.5 (SUSE Linux) [openSUSE Leap 42.1 base compiler]
$ gcc-6 -v
Using built-in specs.
Reading specs from /usr/lib64/gcc/x86_64-suse-linux/6/defaults.spec
COLLECT_GCC=gcc-6
COLLECT_LTO_WRAPPER=/usr/lib64/gcc/x86_64-suse-linux/6/lto-wrapper
Target: x86_64-suse-linux
Configured with: ../configure --prefix=/usr --infodir=/usr/share/info
--mandir=/usr/share/man --libdir=/usr/lib64 --libexecdir=/usr/lib64
--enable-languages=c,c++,objc,fortran,obj-c++,java,ada,go
--enable-offload-targets=hsa --enable-checking=release
--with-gxx-include-dir=/usr/include/c++/6 --enable-ssp --disable-libssp
--disable-libvtv --disable-libcc1 --disable-plugin
--with-bugurl=http://bugs.opensuse.org/ --with-pkgversion='SUSE Linux'
--disable-libgcj --with-slibdir=/lib64 --with-system-zlib --enable-__cxa_atexit
--enable-libstdcxx-allocator=new --disable-libstdcxx-pch
--with-default-libstdcxx-abi=gcc4-compatible
--enable-version-specific-runtime-libs --enable-linker-build-id
--enable-linux-futex --enable-gnu-indirect-function --program-suffix=-6
--without-system-libunwind --enable-multilib --with-arch-32=x86-64
--with-tune=generic --build=x86_64-suse-linux --host=x86_64-suse-linux
Thread model: posix
gcc version 6.2.1 20161121 [gcc-6-branch revision 242657] (SUSE Linux)
[devel:gcc for 42.1]
(Both compilers are using _GLIBCXX_USE_CXX11_ABI=0 in all cases)
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Subject: [Bug target/78451] [7 Regression] FAIL: gcc.target/i386/sse-22a.c: error: inlining failed in call to always_inline '_mm512_setzero_ps'
Date: Tue, 22 Nov 2016 15:07:00 -0000
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--- Comment #4 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Jakub Jelinek from comment #2)
> Another thing is that
> /* Doesn't require avx512vl target and is used in avx512dqintrin.h. */
> extern __inline __m128i
> __attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
> _mm_setzero_di (void)
> {
> return __extension__ (__m128i)(__v2di){ 0LL, 0LL};
> }
> looks just wrong to me in avx512vlintrin.h.
> While it indeed doesn't need AVX512VL, I think that intrinsic needs SSE2 at
> least, because otherwise __v2di and __m128i don't really work.
> Why do we have that intrinsic at all and use it? Can't find it in AVX512
> manuals, and don't see it in ICC headers either? Can't we just use
> _mm_setzero_si128 instead? I mean, even _mm_setzero_si128 is used in other
> spots even when cast to e.g. __v8hi, or __v16qi, or _mm256_setzero_si256 is
> used
> when cast to __v8si even when _mm256_setzero_si256 builds __v4di rather than
> __v8si.
It looks to me that both, _mm_setzero_di and _mm_setzero_hi should be killed
and replaced with casted _mm_setzero_si128.
> And the last thing to consider is if sse-22.c shouldn't have
> avx5124fmaps,avx5124vnniw added to
> #pragma GCC target
> ("avx,avx2,rdrnd,fsgsbase,f16c,rtm,avx512f,avx512er,avx512cd,avx512pf,sha,
> avx512vl,avx512bw,avx512dq,avx512ifma,avx512vbmi")
Yes, all new options should be added here.
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Subject: [Bug libgomp/78468] [7 regression] libgomp.c/reduction-10.c and many more FAIL
Date: Tue, 22 Nov 2016 15:09:00 -0000
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--- Comment #8 from Dominik Vogt <vogt at linux dot vnet.ibm.com> ---
Some things to try with reduction-10.c:
1) Remove all OMP pragmas from the code. If it still fails it's not a limbgomp
bug.
2) Replace "p7" in foo with just "7". If it still fails we know the bug is not
triggered by the dynamic allocation of a or b.
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Subject: [Bug rtl-optimization/72488] [7 Regression] wrong code (SIGFPE) at -Os and above on x86_64-linux-gnu (in the 64-bit mode)
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Jakub Jelinek <jakub at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
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--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
This doesn't reproduce anymore starting with r239357 (which on the other side
introduced PR77766). Has it just gone latent?
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Subject: [Bug lto/78472] warning: type of 's' does not match original declaration from zero length bitfield in C vs C++
Date: Tue, 22 Nov 2016 15:14:00 -0000
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Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |lto, wrong-code
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2016-11-22
CC| |hubicka at gcc dot gnu.org
Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed. The C variant has a FIELD_DECL for the :0 while the C++ variant
does not have that. This makes them not share a canonical type.
Thus this is a possible wrong-code C/C++ interoperability issue.
(gdb) p debug_tree ((tree)0x7ffff6a6c1c8)
<field_decl 0x7ffff6a6c1c8 D.3900
type <integer_type 0x7ffff6a6dc78 unsigned QI
size <integer_cst 0x7ffff6887ca8 constant 8>
unit size <integer_cst 0x7ffff6887cc0 constant 1>
align 8 symtab 0 alias set -1 canonical type 0x7ffff6a6dc78 precision
0>
unsigned external bit-field nonaddressable QI file x.h line 4 col 1
size <integer_cst 0x7ffff6887c30 type <integer_type 0x7ffff688b2a0
bitsizetype> constant 0>
unit size <integer_cst 0x7ffff6887be8 type <integer_type 0x7ffff688b1f8
sizetype> constant 0>
align 32 offset_align 128 offset <integer_cst 0x7ffff6887be8 0>
so the field has zero size. Ignoring zero-sized fields in canonical type
hashing/comparing works. Testing a patch.
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Subject: [Bug c++/78470] static class member cannot be reference by algorithm functions with -O0 option
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--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
This is a FAQ:
https://gcc.gnu.org/wiki/VerboseDiagnostics#missing_static_const_definition
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Subject: [Bug rtl-optimization/72488] [7 Regression] wrong code (SIGFPE) at -Os and above on x86_64-linux-gnu (in the 64-bit mode)
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--- Comment #6 from rguenther at suse dot de <rguenther at suse dot de> ---
On Tue, 22 Nov 2016, jakub at gcc dot gnu.org wrote:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72488
>
> Jakub Jelinek <jakub at gcc dot gnu.org> changed:
>
> What |Removed |Added
> ----------------------------------------------------------------------------
> CC| |jakub at gcc dot gnu.org
>
> --- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
> This doesn't reproduce anymore starting with r239357 (which on the other side
> introduced PR77766). Has it just gone latent?
I think so. I never fully analyzed the issue.
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Subject: [Bug libstdc++/78475] Mixing objects form different g++ versions can crash a program
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Jonathan Wakely <redi at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
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--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Ugh. Probably due to r197554 or r198367
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Subject: [Bug libstdc++/78475] Mixing objects form different g++ versions can crash a program
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Jonathan Wakely <redi at gcc dot gnu.org> changed:
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--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Jan Engelhardt from comment #0)
> Is mixing "finalized" object files (ET_EXEC, ET_DYN) produced by different
> g++ versions a supported scenario?
Yes, but prior to GCC 5 it was only supported for C++98/C++03 code. Since
std::make_shared() is a C++11 feature, it's not supported to mix code compiled
by GCC 4.x with code compiled by later releases.
Since GCC 5.1 C++11 support is complete and non-experimental, and mixing
objects compiled by GCC 5 and GCC 6 (and future releases) is OK.
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Subject: [Bug libstdc++/78465] [7 regression] 29_atomics/headers/atomic/macros.cc FAILs
Date: Tue, 22 Nov 2016 15:57:00 -0000
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Jonathan Wakely <redi at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
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--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
We should have used __builtin_abort() there, rather than add an incorrect
definition. Better yet would be to use static_assert.
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Subject: [Bug target/68467] libgcc, compilation for target m68k-linux breaks in linux_atomic.c
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--- Comment #5 from Joseph S. Myers <jsm28 at gcc dot gnu.org> ---
Created attachment 40117
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40117&action=edit
preprocessed source
Preprocessed source of file causing ICE attached. Compile with: -S -g -O2
-fPIC -fbuilding-libgcc -fno-stack-protector linux-atomic.i
Compiler configured with: /scratch/jmyers/glibc/many7/src/gcc/configure
'--prefix=/scratch/jmyers/glibc/many7/install/compilers/m68k-linux-gnu-coldfire'
'--build=x86_64-pc-linux-gnu' '--host=x86_64-pc-linux-gnu'
'--target=m68k-glibc-linux-gnu'
'--with-sysroot=/scratch/jmyers/glibc/many7/install/compilers/m68k-linux-gnu-coldfire/sysroot'
'--with-arch=cf' --disable-multilib --disable-libsanitizer --disable-libssp
'--with-gmp=/scratch/jmyers/glibc/many7/install/host-libraries'
'--with-mpfr=/scratch/jmyers/glibc/many7/install/host-libraries'
'--with-mpc=/scratch/jmyers/glibc/many7/install/host-libraries'
'--enable-languages=c' --disable-shared --disable-threads --disable-libatomic
--disable-decimal-float --disable-libffi --disable-libgomp --disable-libitm
--disable-libmpx --disable-libquadmath --without-headers --with-newlib
'--with-glibc-version=2.24'
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78443
--- Comment #6 from janus at gcc dot gnu.org ---
Author: janus
Date: Tue Nov 22 16:06:46 2016
New Revision: 242703
URL: https://gcc.gnu.org/viewcvs?rev=242703&root=gcc&view=rev
Log:
2016-11-22 Janus Weil <janus@gcc.gnu.org>
PR fortran/78443
* class.c (add_proc_comp): Add a vtype component for non-overridable
procedures that are overriding.
2016-11-22 Janus Weil <janus@gcc.gnu.org>
PR fortran/78443
* gfortran.dg/typebound_proc_35.f90: New test case.
Added:
trunk/gcc/testsuite/gfortran.dg/typebound_proc_35.f90
Modified:
trunk/gcc/fortran/ChangeLog
trunk/gcc/fortran/class.c
trunk/gcc/testsuite/ChangeLog
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Subject: [Bug fortran/78443] [OOP] Incorrect behavior with non_overridable keyword
Date: Tue, 22 Nov 2016 16:31:00 -0000
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janus at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
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--- Comment #7 from janus at gcc dot gnu.org ---
The problem is fixed on trunk with r242703. Thanks for reporting!
I plan to backport the fix to the release branches (5 and 6) within a week or
so, and will keep the issue open until this is done.
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Subject: [Bug libstdc++/78465] [7 regression] 29_atomics/headers/atomic/macros.cc FAILs
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Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
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--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Should be fixed now.
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Subject: [Bug libstdc++/78465] [7 regression] 29_atomics/headers/atomic/macros.cc FAILs
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--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Tue Nov 22 16:31:19 2016
New Revision: 242704
URL: https://gcc.gnu.org/viewcvs?rev=242704&root=gcc&view=rev
Log:
PR78465 Remove runtime tests for <atomic> macros
PR libstdc++/78465
* testsuite/29_atomics/headers/atomic/macros.cc: Replace runtime tests
with preprocessor conditions.
Modified:
trunk/libstdc++-v3/ChangeLog
trunk/libstdc++-v3/testsuite/29_atomics/headers/atomic/macros.cc
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Subject: [Bug c++/78434] Incorrect warning about missing align_val_t for placement new
Date: Tue, 22 Nov 2016 16:34:00 -0000
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Jonathan Wakely <redi at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
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--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Isn't this Bug 77742 which is already fixed?
*** This bug has been marked as a duplicate of bug 77742 ***
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Subject: [Bug target/78386] [PPC] Optimization -O2 and higher cause math inconsistency
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Breno Leitao <brenohl at br dot ibm.com> changed:
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----------------------------------------------------------------------------
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--- Comment #12 from Breno Leitao <brenohl at br dot ibm.com> ---
Ack. Closing as 'Invalid'
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Subject: [Bug target/78459] [7 Regression] [SH] ICE in maybe_record_trace_start building glibc string tests
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Martin Liška <marxin at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
CC| |marxin at gcc dot gnu.org
--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Created attachment 40118
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40118&action=edit
A bit reduced test-case
ICE error message is:
...
Processing trace 158 : start at note 3215
saw edge from trace 158 to 212 (via jump_insn 4189)
Inconsistent CFI state!
SHOULD have:
.cfi_def_cfa 15, 32
.cfi_offset 8, -4
.cfi_offset 9, -8
.cfi_offset 10, -12
.cfi_offset 11, -16
.cfi_offset 12, -20
.cfi_offset 13, -24
.cfi_offset 14, -28
.cfi_offset 17, -32
DO have:
.cfi_def_cfa 15, 0
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Subject: [Bug c++/77742] Warning about placement new for over-aligned type
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Jonathan Wakely <redi at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
CC| |marc.mutz at kdab dot com
--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
*** Bug 78434 has been marked as a duplicate of this bug. ***
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Subject: [Bug target/78459] [7 Regression] [SH] ICE in maybe_record_trace_start building glibc string tests
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Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2016-11-22
Ever confirmed|0 |1
--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
Confirmed.
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Subject: [Bug target/78451] [7 Regression] FAIL: gcc.target/i386/sse-22a.c: error: inlining failed in call to always_inline '_mm512_setzero_ps'
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78451
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Nov 22 16:53:35 2016
New Revision: 242707
URL: https://gcc.gnu.org/viewcvs?rev=242707&root=gcc&view=rev
Log:
PR target/78451
* config/i386/avx512vlintrin.h (_mm_setzero_di): Removed.
(_mm_maskz_mov_epi64): Use _mm_setzero_si128 instead of
_mm_setzero_di.
(_mm_maskz_load_epi64): Likewise.
(_mm_setzero_hi): Removed.
(_mm_maskz_loadu_epi64): Use _mm_setzero_si128 instead of
_mm_setzero_di.
(_mm_abs_epi64, _mm_maskz_abs_epi64, _mm_maskz_srl_epi64,
_mm_maskz_unpackhi_epi64, _mm_maskz_unpacklo_epi64,
_mm_maskz_compress_epi64, _mm_srav_epi64, _mm_maskz_srav_epi64,
_mm_maskz_sllv_epi64, _mm_maskz_srlv_epi64, _mm_rolv_epi64,
_mm_maskz_rolv_epi64, _mm_rorv_epi64, _mm_maskz_rorv_epi64,
_mm_min_epi64, _mm_max_epi64, _mm_max_epu64, _mm_min_epu64,
_mm_lzcnt_epi64, _mm_maskz_lzcnt_epi64, _mm_conflict_epi64,
_mm_maskz_conflict_epi64, _mm_sra_epi64, _mm_maskz_sra_epi64,
_mm_maskz_sll_epi64, _mm_rol_epi64, _mm_maskz_rol_epi64,
_mm_ror_epi64, _mm_maskz_ror_epi64, _mm_alignr_epi64,
_mm_maskz_alignr_epi64, _mm_srai_epi64, _mm_maskz_slli_epi64):
Likewise.
(_mm_cvtepi32_epi8, _mm256_cvtepi32_epi8, _mm_cvtsepi32_epi8,
_mm256_cvtsepi32_epi8, _mm_cvtusepi32_epi8, _mm256_cvtusepi32_epi8,
_mm_cvtepi32_epi16, _mm256_cvtepi32_epi16, _mm_cvtsepi32_epi16,
_mm256_cvtsepi32_epi16, _mm_cvtusepi32_epi16, _mm256_cvtusepi32_epi16,
_mm_cvtepi64_epi8, _mm256_cvtepi64_epi8, _mm_cvtsepi64_epi8,
_mm256_cvtsepi64_epi8, _mm_cvtusepi64_epi8, _mm256_cvtusepi64_epi8,
_mm_cvtepi64_epi16, _mm256_cvtepi64_epi16, _mm_cvtsepi64_epi16,
_mm256_cvtsepi64_epi16, _mm_cvtusepi64_epi16, _mm256_cvtusepi64_epi16,
_mm_cvtepi64_epi32, _mm256_cvtepi64_epi32, _mm_cvtsepi64_epi32,
_mm256_cvtsepi64_epi32, _mm_cvtusepi64_epi32, _mm256_cvtusepi64_epi32,
_mm_maskz_set1_epi32, _mm_maskz_set1_epi64): Formatting fixes.
(_mm_maskz_cvtps_ph, _mm256_maskz_cvtps_ph): Use _mm_setzero_si128
instead of _mm_setzero_hi.
(_mm256_permutex_pd, _mm256_maskz_permutex_epi64, _mm256_insertf32x4,
_mm256_maskz_insertf32x4, _mm256_inserti32x4, _mm256_maskz_inserti32x4,
_mm256_extractf32x4_ps, _mm256_maskz_extractf32x4_ps,
_mm256_shuffle_i32x4, _mm256_maskz_shuffle_i32x4, _mm256_shuffle_f64x2,
_mm256_maskz_shuffle_f64x2, _mm256_shuffle_f32x4,
_mm256_maskz_shuffle_f32x4, _mm256_maskz_shuffle_pd,
_mm_maskz_shuffle_pd, _mm256_maskz_shuffle_ps, _mm_maskz_shuffle_ps,
_mm256_maskz_srli_epi32, _mm_maskz_srli_epi32, _mm_maskz_srli_epi64,
_mm256_mask_slli_epi32, _mm256_maskz_slli_epi32,
_mm256_mask_slli_epi64,
_mm256_maskz_slli_epi64, _mm256_roundscale_ps,
_mm256_maskz_roundscale_ps, _mm256_roundscale_pd,
_mm256_maskz_roundscale_pd, _mm_roundscale_ps, _mm_maskz_roundscale_ps,
_mm_roundscale_pd, _mm_maskz_roundscale_pd, _mm256_getmant_ps,
_mm256_maskz_getmant_ps, _mm_getmant_ps, _mm_maskz_getmant_ps,
_mm256_getmant_pd, _mm256_maskz_getmant_pd, _mm_getmant_pd,
_mm_maskz_getmant_pd, _mm256_maskz_shuffle_epi32,
_mm_maskz_shuffle_epi32, _mm256_rol_epi32, _mm256_maskz_rol_epi32,
_mm_rol_epi32, _mm_maskz_rol_epi32, _mm256_ror_epi32,
_mm256_maskz_ror_epi32, _mm_ror_epi32, _mm_maskz_ror_epi32,
_mm_maskz_alignr_epi32, _mm_maskz_alignr_epi64,
_mm256_maskz_srai_epi32, _mm_maskz_srai_epi32, _mm_srai_epi64,
_mm_maskz_srai_epi64, _mm256_maskz_permutex_pd,
_mm256_maskz_permute_pd, _mm256_maskz_permute_ps, _mm_maskz_permute_pd,
_mm_maskz_permute_ps, _mm256_permutexvar_ps): Formatting fixes.
(_mm_maskz_slli_epi64, _mm_rol_epi64, _mm_maskz_rol_epi64,
_mm_ror_epi64, _mm_maskz_ror_epi64): Use _mm_setzero_si128 instead of
_mm_setzero_di.
(_mm_maskz_cvtps_ph, _mm256_maskz_cvtps_ph): Use _mm_setzero_si128
instead of _mm_setzero_hi.
* config/i386/avx512dqintrin.h (_mm512_broadcast_f64x2,
_mm512_broadcast_i64x2, _mm512_broadcast_f32x2, _mm512_broadcast_i32x2,
_mm512_broadcast_f32x8, _mm512_broadcast_i32x8): Formatting fixes.
(_mm512_extracti64x2_epi64, _mm512_maskz_extracti64x2_epi64): Use
_mm_setzero_si128 instead of _mm_setzero_di.
(_mm512_cvtt_roundpd_epi64, _mm512_mask_cvtt_roundpd_epi64,
_mm512_maskz_cvtt_roundpd_epi64, _mm512_cvtt_roundpd_epu64,
_mm512_mask_cvtt_roundpd_epu64, _mm512_maskz_cvtt_roundpd_epu64,
_mm512_cvtt_roundps_epi64, _mm512_mask_cvtt_roundps_epi64,
_mm512_maskz_cvtt_roundps_epi64, _mm512_cvtt_roundps_epu64,
_mm512_mask_cvtt_roundps_epu64, _mm512_maskz_cvtt_roundps_epu64,
_mm512_cvt_roundpd_epi64, _mm512_mask_cvt_roundpd_epi64,
_mm512_maskz_cvt_roundpd_epi64, _mm512_cvt_roundpd_epu64,
_mm512_mask_cvt_roundpd_epu64, _mm512_maskz_cvt_roundpd_epu64,
_mm512_cvt_roundps_epi64, _mm512_mask_cvt_roundps_epi64,
_mm512_maskz_cvt_roundps_epi64, _mm512_cvt_roundps_epu64,
_mm512_mask_cvt_roundps_epu64, _mm512_maskz_cvt_roundps_epu64,
_mm512_cvt_roundepi64_ps, _mm512_mask_cvt_roundepi64_ps,
_mm512_maskz_cvt_roundepi64_ps, _mm512_cvt_roundepu64_ps,
_mm512_mask_cvt_roundepu64_ps, _mm512_maskz_cvt_roundepu64_ps,
_mm512_cvt_roundepi64_pd, _mm512_mask_cvt_roundepi64_pd,
_mm512_maskz_cvt_roundepi64_pd, _mm512_cvt_roundepu64_pd,
_mm512_mask_cvt_roundepu64_pd, _mm512_maskz_cvt_roundepu64_pd,
_mm512_reduce_pd, _mm512_maskz_reduce_pd, _mm512_reduce_ps,
_mm512_maskz_reduce_ps, _mm512_extractf32x8_ps,
_mm512_maskz_extractf32x8_ps, _mm512_extractf64x2_pd,
_mm512_maskz_extractf64x2_pd, _mm512_extracti32x8_epi32,
_mm512_maskz_extracti32x8_epi32, _mm512_range_pd,
_mm512_maskz_range_pd, _mm512_range_ps, _mm512_maskz_range_ps,
_mm512_range_round_pd, _mm512_maskz_range_round_pd,
_mm512_range_round_ps, _mm512_maskz_range_round_ps,
_mm512_maskz_insertf64x2, _mm512_insertf32x8,
_mm512_maskz_insertf32x8): Formatting fixes.
(_mm512_extracti64x2_epi64, _mm512_maskz_extracti64x2_epi64): Use
_mm_setzero_si128 instead of _mm_setzero_di.
* config/i386/avx512vldqintrin.h (_mm_cvttpd_epi64,
_mm_cvttpd_epu64, _mm_cvtpd_epi64, _mm_cvtpd_epu64,
_mm_cvttps_epi64, _mm_maskz_cvttps_epi64, _mm_cvttps_epu64,
_mm_maskz_cvttps_epu64, _mm_maskz_mullo_epi64, _mm_cvtps_epi64,
_mm_maskz_cvtps_epi64, _mm_cvtps_epu64, _mm_maskz_cvtps_epu64,
_mm256_extracti64x2_epi64, _mm256_maskz_extracti64x2_epi64): Use
_mm_setzero_si128 instead of _mm_setzero_di.
(_mm256_extracti64x2_epi64, _mm256_maskz_extracti64x2_epi64):
Likewise in macros.
* config/i386/avx512vlbwintrin.h (_mm_maskz_mov_epi8,
_mm_maskz_loadu_epi16, _mm_maskz_mov_epi16, _mm_maskz_loadu_epi8,
_mm_permutexvar_epi16, _mm_maskz_maddubs_epi16): Use
_mm_setzero_si128 instead of _mm_setzero_hi.
(_mm_maskz_min_epu16, _mm_maskz_max_epu8, _mm_maskz_max_epi8,
_mm_maskz_min_epu8, _mm_maskz_min_epi8, _mm_maskz_max_epi16,
_mm_maskz_max_epu16, _mm_maskz_min_epi16): Use _mm_setzero_si128
instead of _mm_setzero_di.
(_mm_dbsad_epu8, _mm_maskz_shufflehi_epi16,
_mm_maskz_shufflelo_epi16): Use _mm_setzero_si128 instead of
_mm_setzero_hi.
(_mm_maskz_shufflehi_epi16, _mm_maskz_shufflelo_epi16,
_mm_maskz_slli_epi16): Use _mm_setzero_si128 instead of
_mm_setzero_hi.
(_mm_maskz_alignr_epi8): Use _mm_setzero_si128 instead of
_mm_setzero_di.
(_mm_maskz_mulhi_epi16, _mm_maskz_mulhi_epu16, _mm_maskz_mulhrs_epi16,
_mm_maskz_mullo_epi16, _mm_srav_epi16, _mm_srlv_epi16,
_mm_sllv_epi16): Use _mm_setzero_si128 instead of _mm_setzero_hi.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/i386/avx512dqintrin.h
trunk/gcc/config/i386/avx512vlbwintrin.h
trunk/gcc/config/i386/avx512vldqintrin.h
trunk/gcc/config/i386/avx512vlintrin.h
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Subject: [Bug c++/77739] [5/6/7 Regression] internal compiler error: in create_tmp_var, at gimple-expr.c:524
Date: Tue, 22 Nov 2016 16:54:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77739
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
The problem is that some expressions are genericized twice.
First when genericizing the whole function, RESULT_DECL is determined to be
is_invisiref_parm and therefore references to it are turned into INDIRECT_REF
around it and the RESULT_DECL becomes REFERENCE_TYPE.
Later on gimplify_body calls unshare_body and unshares the INDIRECT_REF.
Then the INDIRECT_REF is gimplified into a MEM_REF. And finally:
(cp_gimplify_expr) <case VEC_INIT_EXPR> does:
625 cp_walk_tree (expr_p, cp_fold_r, &pset, NULL);
626 cp_genericize_tree (expr_p);
and sees the is_invisiref_parm RESULT_DECL again (inside of MEM_REF) and turns
it again into INDIRECT_REF and that is later gimplified again into MEM_REF. So
we have 2 nested MEM_REFs, so one indirection too many.
I think one possibility would be to be careful about REFERENCE_REF_Ps and
corresponding MEM_REFs (I guess would need to double check that the offset is 0
and type is compatible with the type of the reference), if their argument is
is_invisiref_parm, ensure it isn't convert_from_reference again. Will try to
implement that now.
>From gcc-bugs-return-544633-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 16:54:57 2016
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Subject: [Bug target/78451] [7 Regression] FAIL: gcc.target/i386/sse-22a.c: error: inlining failed in call to always_inline '_mm512_setzero_ps'
Date: Tue, 22 Nov 2016 16:56:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78451
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Nov 22 16:54:13 2016
New Revision: 242708
URL: https://gcc.gnu.org/viewcvs?rev=242708&root=gcc&view=rev
Log:
PR target/78451
* gcc.target/i386/sse-22.c: Add avx5124fmaps,avx5124vnniw to
GCC target pragma before including immintrin.h.
Modified:
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gcc.target/i386/sse-22.c
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Subject: [Bug target/77822] [6 Regression] arm64 Error: immediate value out of range 0 to 63 at operand 3
Date: Tue, 22 Nov 2016 16:57:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77822
--- Comment #29 from ktkachov at gcc dot gnu.org ---
Author: ktkachov
Date: Tue Nov 22 16:55:16 2016
New Revision: 242709
URL: https://gcc.gnu.org/viewcvs?rev=242709&root=gcc&view=rev
Log:
[AArch64] Fix PR target/77822: Use tighter predicates for zero_extract patterns
Backport from mainline
2016-11-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
PR target/77822
* config/aarch64/aarch64.md (*tb<optab><mode>1): Use
aarch64_simd_shift_imm_<mode> predicate for operand 1.
(<optab>, ANY_EXTRACT): Use tighter predicates on operands 2 and 3
to restrict them to an appropriate range and add FAIL check if the
region they specify is out of range. Delete useless constraint
strings.
(*<optab><mode>, ANY_EXTRACT): Add appropriate predicates on operands
2 and 3 to restrict their range and add pattern predicate.
* g++.dg/torture/pr77822.C: New test.
Added:
branches/gcc-6-branch/gcc/testsuite/g++.dg/torture/pr77822.C
Modified:
branches/gcc-6-branch/gcc/ChangeLog
branches/gcc-6-branch/gcc/config/aarch64/aarch64.md
branches/gcc-6-branch/gcc/testsuite/ChangeLog
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Subject: [Bug target/77822] [6 Regression] arm64 Error: immediate value out of range 0 to 63 at operand 3
Date: Tue, 22 Nov 2016 16:59:00 -0000
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--- Comment #30 from ktkachov at gcc dot gnu.org ---
Fixed on aarch64 for 6.3 as well. There's nothing more to do for aarch64 here.
Dominik, do you intend to do any backports of the s390 patches? Or can we close
this?
>From gcc-bugs-return-544636-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 16:59:05 2016
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Subject: [Bug c++/77739] [5/6/7 Regression] internal compiler error: in create_tmp_var, at gimple-expr.c:524
Date: Tue, 22 Nov 2016 17:01:00 -0000
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--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Or another option perhaps would be in cp_genericize_data note whether it is
cp_genericize_tree called from cp_genericize or from elsewhere, and only
replace invisiref parms if called from cp_genericize.
>From gcc-bugs-return-544637-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 17:01:19 2016
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Subject: [Bug libfortran/78379] Processor-specific versions for matmul
Date: Tue, 22 Nov 2016 17:05:00 -0000
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--- Comment #18 from Thomas Koenig <tkoenig at gcc dot gnu.org> ---
Created attachment 40119
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40119&action=edit
Version that works (AVX only)
Here is a version that should only do AVX stuff on Intel processors.
Optimization for other processor types could come later.
>From gcc-bugs-return-544638-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 17:05:55 2016
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Subject: [Bug middle-end/78461] [7 Regression] ICE: in operator+=, at gimple-ssa-sprintf.c:214
Date: Tue, 22 Nov 2016 17:32:00 -0000
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Martin Sebor <msebor at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Component|c |middle-end
Assignee|unassigned at gcc dot gnu.org |msebor at gcc dot gnu.org
--- Comment #3 from Martin Sebor <msebor at gcc dot gnu.org> ---
Confirmed. Enabling the -fprintf-return-value optimization makes the pass run
even when -Wformat-length is otherwise inactive which isn't as thoroughly
tested as when the warning is enabled.
>From gcc-bugs-return-544639-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 17:32:02 2016
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Subject: [Bug tree-optimization/78476] New: snprintf(0, 0, ...) with known arguments not optimized away
Date: Tue, 22 Nov 2016 17:42:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78476
Bug ID: 78476
Summary: snprintf(0, 0, ...) with known arguments not optimized
away
Product: gcc
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As a special case, a call to snprintf with a zero size is a request to compute
the size of output without actually writing anything into the provided buffer
(which may be a null pointer). When the format string and all arguments to all
directives in it are within known ranges such that the output length can be
determined at compile time (by the -fprintf-return-value optimization) the
entire snprintf call can be eliminated and replaced with the constant return
value. The test case below shows that while GCC folds the return value it does
not take advantage of this additional optimization opportunity.
$ cat c.c && /build/gcc-svn/gcc/xgcc -B /build/gcc-svn/gcc -O2 -c
-fdump-tree-optimized=/dev/stdout c.c
void f (const char *s)
{
int n = 7;
if (n != __builtin_snprintf (0, 0, "%.*s", n, s))
__builtin_abort ();
}
;; Function f (f, funcdef_no=0, decl_uid=1795, cgraph_uid=0, symbol_order=0)
f (const char * s)
{
<bb 2>:
__builtin_snprintf (0B, 0, "%.*s", 7, s_3(D)); [tail call]
return;
}
>From gcc-bugs-return-544640-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 17:42:26 2016
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From: "doko at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug bootstrap/78477] New: [7 Regression] bootstrap broken on s390x-linux-gnu
Date: Tue, 22 Nov 2016 17:45:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78477
Bug ID: 78477
Summary: [7 Regression] bootstrap broken on s390x-linux-gnu
Product: gcc
Version: 7.0
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trunk r242706 fails to bootstrap on s390x-linux-gnu:
original build log (search for "error:")
https://launchpadlibrarian.net/294554997/buildlog_ubuntu-zesty-s390x.gcc-7_7-20161123-0ubuntu1_BUILDING.txt.gz
echo timestamp > s-preds-h
/bin/bash ../../src/gcc/../move-if-change tmp-condmd.c build/gencondmd.c
echo timestamp > s-conditions
/<<PKGBUILDDIR>>/build/./prev-gcc/xg++ -B/<<PKGBUILDDIR>>/build/./prev-gcc/
-B/usr/s390x-linux-gnu/bin/ -nostdinc++
-B/<<PKGBUILDDIR>>/build/prev-s390x-linux-gnu/libstdc++-v3/src/.libs
-B/<<PKGBUILDDIR>>/build/prev-s390x-linux-gnu/libstdc++-v3/libsupc++/.libs
-I/<<PKGBUILDDIR>>/build/prev-s390x-linux-gnu/libstdc++-v3/include/s390x-linux-gnu
-I/<<PKGBUILDDIR>>/build/prev-s390x-linux-gnu/libstdc++-v3/include
-I/<<PKGBUILDDIR>>/src/libstdc++-v3/libsupc++
-L/<<PKGBUILDDIR>>/build/prev-s390x-linux-gnu/libstdc++-v3/src/.libs
-L/<<PKGBUILDDIR>>/build/prev-s390x-linux-gnu/libstdc++-v3/libsupc++/.libs -c
-g -O2 -fno-stack-protector -gtoggle -DIN_GCC -fno-exceptions -fno-rtti
-fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings
-Wcast-qual -Wmissing-format-attribute -Woverloaded-virtual -pedantic
-Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -DHAVE_CONFIG_H
-DGENERATOR_FILE -fno-PIE -I. -Ibuild -I../../src/gcc -I../../src/gcc/build
-I../../src/gcc/../include -I../../src/gcc/../libcpp/include \
-o build/gencondmd.o build/gencondmd.c
/<<PKGBUILDDIR>>/build/./prev-gcc/xg++ -B/<<PKGBUILDDIR>>/build/./prev-gcc/
-B/usr/s390x-linux-gnu/bin/ -nostdinc++
-B/<<PKGBUILDDIR>>/build/prev-s390x-linux-gnu/libstdc++-v3/src/.libs
-B/<<PKGBUILDDIR>>/build/prev-s390x-linux-gnu/libstdc++-v3/libsupc++/.libs
-I/<<PKGBUILDDIR>>/build/prev-s390x-linux-gnu/libstdc++-v3/include/s390x-linux-gnu
-I/<<PKGBUILDDIR>>/build/prev-s390x-linux-gnu/libstdc++-v3/include
-I/<<PKGBUILDDIR>>/src/libstdc++-v3/libsupc++
-L/<<PKGBUILDDIR>>/build/prev-s390x-linux-gnu/libstdc++-v3/src/.libs
-L/<<PKGBUILDDIR>>/build/prev-s390x-linux-gnu/libstdc++-v3/libsupc++/.libs -g
-O2 -fno-stack-protector -gtoggle -DIN_GCC -fno-exceptions -fno-rtti
-fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings
-Wcast-qual -Wmissing-format-attribute -Woverloaded-virtual -pedantic
-Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -DHAVE_CONFIG_H
-DGENERATOR_FILE -fno-PIE -static-libstdc++ -static-libgcc -Wl,-z,relro -no-pie
-o build/genmatch \
build/genmatch.o ../libcpp/libcpp.a ../libiberty/libiberty.a build/errors.o
build/vec.o build/hash-table.o .././libiberty/libiberty.a
build/genmatch --gimple ../../src/gcc/match.pd \
> tmp-gimple-match.c
../../src/gcc/match.pd:93:3 warning: duplicate pattern
(plus:c @0 real_zerop@1)
^
../../src/gcc/match.pd:82:6 warning: previous pattern defined here
(op @0 integer_zerop)
^
(PLUS_EXPR @0 real_zerop@1)
../../src/gcc/match.pd:99:3 warning: duplicate pattern
(minus @0 real_zerop@1)
^
../../src/gcc/match.pd:82:6 warning: previous pattern defined here
(op @0 integer_zerop)
^
(MINUS_EXPR @0 real_zerop@1)
../../src/gcc/match.pd:122:3 warning: duplicate pattern
(mult @0 real_zerop@1)
^
../../src/gcc/match.pd:114:3 warning: previous pattern defined here
(mult @0 integer_zerop@1)
^
(MULT_EXPR @0 real_zerop@1)
../../src/gcc/match.pd:129:3 warning: duplicate pattern
(mult @0 real_onep)
^
../../src/gcc/match.pd:114:3 warning: previous pattern defined here
(mult @0 integer_zerop@1)
^
(MULT_EXPR @0 real_onep)
../../src/gcc/match.pd:129:3 warning: duplicate pattern
(mult @0 real_onep)
^
../../src/gcc/match.pd:122:3 warning: previous pattern defined here
(mult @0 real_zerop@1)
^
(MULT_EXPR @0 real_onep)
../../src/gcc/match.pd:137:3 warning: duplicate pattern
(mult @0 real_minus_onep)
^
../../src/gcc/match.pd:114:3 warning: previous pattern defined here
(mult @0 integer_zerop@1)
^
(MULT_EXPR @0 real_minus_onep)
../../src/gcc/match.pd:137:3 warning: duplicate pattern
(mult @0 real_minus_onep)
^
../../src/gcc/match.pd:122:3 warning: previous pattern defined here
(mult @0 real_zerop@1)
^
(MULT_EXPR @0 real_minus_onep)
../../src/gcc/match.pd:137:3 warning: duplicate pattern
(mult @0 real_minus_onep)
^
../../src/gcc/match.pd:129:3 warning: previous pattern defined here
(mult @0 real_onep)
^
(MULT_EXPR @0 real_minus_onep)
../../src/gcc/match.pd:146:6 warning: duplicate pattern
(op @0 integer_onep)
^
../../src/gcc/match.pd:114:3 warning: previous pattern defined here
(mult @0 integer_zerop@1)
^
(MULT_EXPR @0 integer_onep)
../../src/gcc/match.pd:146:6 warning: duplicate pattern
(op @0 integer_onep)
^
../../src/gcc/match.pd:122:3 warning: previous pattern defined here
(mult @0 real_zerop@1)
^
(MULT_EXPR @0 integer_onep)
../../src/gcc/match.pd:146:6 warning: duplicate pattern
(op @0 integer_onep)
^
../../src/gcc/match.pd:129:3 warning: previous pattern defined here
(mult @0 real_onep)
^
(MULT_EXPR @0 integer_onep)
../../src/gcc/match.pd:146:6 warning: duplicate pattern
(op @0 integer_onep)
^
../../src/gcc/match.pd:137:3 warning: previous pattern defined here
(mult @0 real_minus_onep)
^
(MULT_EXPR @0 integer_onep)
../../src/gcc/match.pd:247:3 warning: duplicate pattern
(rdiv @0 real_minus_onep)
^
../../src/gcc/match.pd:241:3 warning: previous pattern defined here
(rdiv @0 real_onep)
^
(RDIV_EXPR @0 real_minus_onep)
../../src/gcc/match.pd:306:4 warning: duplicate pattern
(mod @0 integer_minus_onep@1)
^
../../src/gcc/match.pd:302:4 warning: previous pattern defined here
(mod @0 integer_onep)
^
(CEIL_MOD_EXPR @0 integer_minus_onep@1)
../../src/gcc/match.pd:306:4 warning: duplicate pattern
(mod @0 integer_minus_onep@1)
^
../../src/gcc/match.pd:302:4 warning: previous pattern defined here
(mod @0 integer_onep)
^
(FLOOR_MOD_EXPR @0 integer_minus_onep@1)
../../src/gcc/match.pd:306:4 warning: duplicate pattern
(mod @0 integer_minus_onep@1)
^
../../src/gcc/match.pd:302:4 warning: previous pattern defined here
(mod @0 integer_onep)
^
(ROUND_MOD_EXPR @0 integer_minus_onep@1)
../../src/gcc/match.pd:306:4 warning: duplicate pattern
(mod @0 integer_minus_onep@1)
^
../../src/gcc/match.pd:302:4 warning: previous pattern defined here
(mod @0 integer_onep)
^
(TRUNC_MOD_EXPR @0 integer_minus_onep@1)
../../src/gcc/match.pd:608:3 warning: duplicate pattern
(bit_ior @0 integer_zerop)
^
../../src/gcc/match.pd:603:3 warning: previous pattern defined here
(bit_ior @0 integer_all_onesp@1)
^
(BIT_IOR_EXPR @0 integer_zerop)
../../src/gcc/match.pd:636:3 warning: duplicate pattern
(bit_and @0 integer_all_onesp)
^
../../src/gcc/match.pd:613:3 warning: previous pattern defined here
(bit_and @0 integer_zerop@1)
^
(BIT_AND_EXPR @0 integer_all_onesp)
../../src/gcc/match.pd:1856:3 warning: duplicate pattern
(minus integer_zerop @1)
^
../../src/gcc/match.pd:1242:5 warning: previous pattern defined here
(minus integer_all_onesp @0)
^
(MINUS_EXPR integer_zerop @0)
../../src/gcc/match.pd:1863:3 warning: duplicate pattern
(minus real_zerop@0 @1)
^
../../src/gcc/match.pd:1242:5 warning: previous pattern defined here
(minus integer_all_onesp @0)
^
(MINUS_EXPR real_zerop@0 @1)
../../src/gcc/match.pd:1863:3 warning: duplicate pattern
(minus real_zerop@0 @1)
^
../../src/gcc/match.pd:1856:3 warning: previous pattern defined here
(minus integer_zerop @1)
^
(MINUS_EXPR real_zerop@0 @1)
../../src/gcc/match.pd:3160:5 warning: duplicate pattern
(floors tree_expr_nonnegative_p@0)
^
../../src/gcc/match.pd:2986:4 warning: previous pattern defined here
(fns integer_valued_real_p@0)
^
(CFN_BUILT_IN_FLOORF tree_expr_nonnegative_p@0)
../../src/gcc/match.pd:3160:5 warning: duplicate pattern
(floors tree_expr_nonnegative_p@0)
^
../../src/gcc/match.pd:2986:4 warning: previous pattern defined here
(fns integer_valued_real_p@0)
^
(CFN_BUILT_IN_FLOOR tree_expr_nonnegative_p@0)
../../src/gcc/match.pd:3160:5 warning: duplicate pattern
(floors tree_expr_nonnegative_p@0)
^
../../src/gcc/match.pd:2986:4 warning: previous pattern defined here
(fns integer_valued_real_p@0)
^
(CFN_BUILT_IN_FLOORL tree_expr_nonnegative_p@0)
../../src/gcc/match.pd:3160:5 warning: duplicate pattern
(floors tree_expr_nonnegative_p@0)
^
../../src/gcc/match.pd:2986:4 warning: previous pattern defined here
(fns integer_valued_real_p@0)
^
(CFN_FLOOR tree_expr_nonnegative_p@0)
../../src/gcc/match.pd:3204:5 warning: duplicate pattern
(froms (convert float_value_p@0))
^
../../src/gcc/match.pd:3181:5 warning: previous pattern defined here
(froms (convert double_value_p@0))
^
(CFN_BUILT_IN_TRUNCL (CONVERT_EXPR float_value_p@0))
../../src/gcc/match.pd:3204:5 warning: duplicate pattern
(froms (convert float_value_p@0))
^
../../src/gcc/match.pd:3181:5 warning: previous pattern defined here
(froms (convert double_value_p@0))
^
(CFN_BUILT_IN_FLOORL (CONVERT_EXPR float_value_p@0))
../../src/gcc/match.pd:3204:5 warning: duplicate pattern
(froms (convert float_value_p@0))
^
../../src/gcc/match.pd:3181:5 warning: previous pattern defined here
(froms (convert double_value_p@0))
^
(CFN_BUILT_IN_CEILL (CONVERT_EXPR float_value_p@0))
../../src/gcc/match.pd:3204:5 warning: duplicate pattern
(froms (convert float_value_p@0))
^
../../src/gcc/match.pd:3181:5 warning: previous pattern defined here
(froms (convert double_value_p@0))
^
(CFN_BUILT_IN_ROUNDL (CONVERT_EXPR float_value_p@0))
../../src/gcc/match.pd:3204:5 warning: duplicate pattern
(froms (convert float_value_p@0))
^
../../src/gcc/match.pd:3181:5 warning: previous pattern defined here
(froms (convert double_value_p@0))
^
(CFN_BUILT_IN_NEARBYINTL (CONVERT_EXPR float_value_p@0))
../../src/gcc/match.pd:3204:5 warning: duplicate pattern
(froms (convert float_value_p@0))
^
../../src/gcc/match.pd:3181:5 warning: previous pattern defined here
(froms (convert double_value_p@0))
^
(CFN_BUILT_IN_RINTL (CONVERT_EXPR float_value_p@0))
../../src/gcc/match.pd:3222:5 warning: duplicate pattern
(froms (convert float_value_p@0))
^
../../src/gcc/match.pd:3212:5 warning: previous pattern defined here
(froms (convert double_value_p@0))
^
(CFN_BUILT_IN_IFLOORL (CONVERT_EXPR float_value_p@0))
../../src/gcc/match.pd:3222:5 warning: duplicate pattern
(froms (convert float_value_p@0))
^
../../src/gcc/match.pd:3212:5 warning: previous pattern defined here
(froms (convert double_value_p@0))
^
(CFN_BUILT_IN_LFLOORL (CONVERT_EXPR float_value_p@0))
../../src/gcc/match.pd:3222:5 warning: duplicate pattern
(froms (convert float_value_p@0))
^
../../src/gcc/match.pd:3212:5 warning: previous pattern defined here
(froms (convert double_value_p@0))
^
(CFN_BUILT_IN_LLFLOORL (CONVERT_EXPR float_value_p@0))
../../src/gcc/match.pd:3222:5 warning: duplicate pattern
(froms (convert float_value_p@0))
^
../../src/gcc/match.pd:3212:5 warning: previous pattern defined here
(froms (convert double_value_p@0))
^
(CFN_BUILT_IN_ICEILL (CONVERT_EXPR float_value_p@0))
../../src/gcc/match.pd:3222:5 warning: duplicate pattern
(froms (convert float_value_p@0))
^
../../src/gcc/match.pd:3212:5 warning: previous pattern defined here
(froms (convert double_value_p@0))
^
(CFN_BUILT_IN_LCEILL (CONVERT_EXPR float_value_p@0))
../../src/gcc/match.pd:3222:5 warning: duplicate pattern
(froms (convert float_value_p@0))
^
../../src/gcc/match.pd:3212:5 warning: previous pattern defined here
(froms (convert double_value_p@0))
^
(CFN_BUILT_IN_LLCEILL (CONVERT_EXPR float_value_p@0))
../../src/gcc/match.pd:3222:5 warning: duplicate pattern
(froms (convert float_value_p@0))
^
../../src/gcc/match.pd:3212:5 warning: previous pattern defined here
(froms (convert double_value_p@0))
^
(CFN_BUILT_IN_IROUNDL (CONVERT_EXPR float_value_p@0))
../../src/gcc/match.pd:3222:5 warning: duplicate pattern
(froms (convert float_value_p@0))
^
../../src/gcc/match.pd:3212:5 warning: previous pattern defined here
(froms (convert double_value_p@0))
^
(CFN_BUILT_IN_LROUNDL (CONVERT_EXPR float_value_p@0))
../../src/gcc/match.pd:3222:5 warning: duplicate pattern
(froms (convert float_value_p@0))
^
../../src/gcc/match.pd:3212:5 warning: previous pattern defined here
(froms (convert double_value_p@0))
^
(CFN_BUILT_IN_LLROUNDL (CONVERT_EXPR float_value_p@0))
../../src/gcc/match.pd:3222:5 warning: duplicate pattern
(froms (convert float_value_p@0))
^
../../src/gcc/match.pd:3212:5 warning: previous pattern defined here
(froms (convert double_value_p@0))
^
(CFN_BUILT_IN_IRINTL (CONVERT_EXPR float_value_p@0))
../../src/gcc/match.pd:3222:5 warning: duplicate pattern
(froms (convert float_value_p@0))
^
../../src/gcc/match.pd:3212:5 warning: previous pattern defined here
(froms (convert double_value_p@0))
^
(CFN_BUILT_IN_LRINTL (CONVERT_EXPR float_value_p@0))
../../src/gcc/match.pd:3222:5 warning: duplicate pattern
(froms (convert float_value_p@0))
^
../../src/gcc/match.pd:3212:5 warning: previous pattern defined here
(froms (convert double_value_p@0))
^
(CFN_BUILT_IN_LLRINTL (CONVERT_EXPR float_value_p@0))
../../src/gcc/match.pd:3238:5 warning: duplicate pattern
(fns integer_valued_real_p@0)
^
../../src/gcc/match.pd:3229:5 warning: previous pattern defined here
(floors tree_expr_nonnegative_p@0)
^
(CFN_BUILT_IN_IFLOORF integer_valued_real_p@0)
../../src/gcc/match.pd:3238:5 warning: duplicate pattern
(fns integer_valued_real_p@0)
^
../../src/gcc/match.pd:3229:5 warning: previous pattern defined here
(floors tree_expr_nonnegative_p@0)
^
(CFN_BUILT_IN_IFLOOR integer_valued_real_p@0)
../../src/gcc/match.pd:3238:5 warning: duplicate pattern
(fns integer_valued_real_p@0)
^
../../src/gcc/match.pd:3229:5 warning: previous pattern defined here
(floors tree_expr_nonnegative_p@0)
^
(CFN_BUILT_IN_IFLOORL integer_valued_real_p@0)
../../src/gcc/match.pd:3238:5 warning: duplicate pattern
(fns integer_valued_real_p@0)
^
../../src/gcc/match.pd:3229:5 warning: previous pattern defined here
(floors tree_expr_nonnegative_p@0)
^
(CFN_BUILT_IN_LFLOORF integer_valued_real_p@0)
../../src/gcc/match.pd:3238:5 warning: duplicate pattern
(fns integer_valued_real_p@0)
^
../../src/gcc/match.pd:3229:5 warning: previous pattern defined here
(floors tree_expr_nonnegative_p@0)
^
(CFN_BUILT_IN_LFLOOR integer_valued_real_p@0)
../../src/gcc/match.pd:3238:5 warning: duplicate pattern
(fns integer_valued_real_p@0)
^
../../src/gcc/match.pd:3229:5 warning: previous pattern defined here
(floors tree_expr_nonnegative_p@0)
^
(CFN_BUILT_IN_LFLOORL integer_valued_real_p@0)
../../src/gcc/match.pd:3238:5 warning: duplicate pattern
(fns integer_valued_real_p@0)
^
../../src/gcc/match.pd:3229:5 warning: previous pattern defined here
(floors tree_expr_nonnegative_p@0)
^
(CFN_BUILT_IN_LLFLOORF integer_valued_real_p@0)
../../src/gcc/match.pd:3238:5 warning: duplicate pattern
(fns integer_valued_real_p@0)
^
../../src/gcc/match.pd:3229:5 warning: previous pattern defined here
(floors tree_expr_nonnegative_p@0)
^
(CFN_BUILT_IN_LLFLOOR integer_valued_real_p@0)
../../src/gcc/match.pd:3238:5 warning: duplicate pattern
(fns integer_valued_real_p@0)
^
../../src/gcc/match.pd:3229:5 warning: previous pattern defined here
(floors tree_expr_nonnegative_p@0)
^
(CFN_BUILT_IN_LLFLOORL integer_valued_real_p@0)
GIMPLE decision tree has 1783 leafs, maximum depth 12 and a total number of
6913 nodes
../../src/gcc/match.pd:1644:22 error: cannot determine type of operand
(bit_op (shift (convert @0) @1) { mask; }))))))
^
Makefile:2432: recipe for target 's-match' failed
make[5]: *** [s-match] Error 1
>From gcc-bugs-return-544641-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 17:45:21 2016
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Subject: [Bug middle-end/78409] Segfault in classify_object_over_fdes when throwing and exception
Date: Tue, 22 Nov 2016 17:52:00 -0000
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--- Comment #2 from Orion Poplawski <orion at cora dot nwra.com> ---
So, what exactly can I get you?
I'm building
https://www.cora.nwra.com/~orion/fedora/octave-4.2.0-1.fc26.src.rpm on Fedora
rawhide. It fails during the tests:
libinterp/dldfcn/__osmesa_print__.cc-tst ....................panic:
Segmentation fault -- stopping myself...
You can run the test in gdb with:
cd octave-4.2.0
./run-octave -g
gdb> run
octave:1> test __osmesa_print__
>From gcc-bugs-return-544642-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 17:52:39 2016
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Subject: [Bug bootstrap/78477] [7 Regression] bootstrap broken on s390x-linux-gnu
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--- Comment #1 from Marc Glisse <glisse at gcc dot gnu.org> ---
Did you bisect this to a specific commit? (I assumed so from the cc:, but the
revision number does not match one of my patches)
>From gcc-bugs-return-544643-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 18:04:37 2016
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Subject: [Bug bootstrap/78477] [7 Regression] bootstrap broken on s390x-linux-gnu
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--- Comment #2 from Matthias Klose <doko at gcc dot gnu.org> ---
sorry, no, just saw yesterday's changes to match.pd as a hint.
>From gcc-bugs-return-544644-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 18:20:40 2016
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Subject: [Bug go/77910] [7 Regression] go: open zversion.go: no such file or directory
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Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |WONTFIX
--- Comment #6 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
No reaction. I no longer build Go. Closing.
>From gcc-bugs-return-544645-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 18:24:26 2016
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Subject: [Bug fortran/38319] Memory leaks in allocatable component expressions
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--- Comment #9 from Paul Thomas <pault at gcc dot gnu.org> ---
class_array_15.f03 leaks from line 65-66:
allocate (indv(2), source = [individual(1, [99,999]), &
individual(2, [999,9999])])
==22496== HEAP SUMMARY:
==22496== in use at exit: 32 bytes in 4 blocks
==22496== total heap usage: 31 allocs, 27 frees, 12,096 bytes allocated
==22496==
==22496== 8 bytes in 1 blocks are definitely lost in loss record 1 of 3
==22496== at 0x4A0645D: malloc (in
/usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==22496== by 0x403582: pr53876_ (class_array_15.f03:66)
==22496== by 0x403D83: MAIN__ (class_array_15.f03:53)
==22496== by 0x403DC4: main (class_array_15.f03:56)
==22496==
==22496== 8 bytes in 1 blocks are definitely lost in loss record 2 of 3
==22496== at 0x4A0645D: malloc (in
/usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==22496== by 0x40375C: pr53876_ (class_array_15.f03:66)
==22496== by 0x403D83: MAIN__ (class_array_15.f03:53)
==22496== by 0x403DC4: main (class_array_15.f03:56)
==22496==
==22496== 16 bytes in 2 blocks are definitely lost in loss record 3 of 3
==22496== at 0x4A0645D: malloc (in
/usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==22496== by 0x4039AE: pr53876_ (class_array_15.f03:66)
==22496== by 0x403D83: MAIN__ (class_array_15.f03:53)
==22496== by 0x403DC4: main (class_array_15.f03:56)
==22496==
==22496== LEAK SUMMARY:
==22496== definitely lost: 32 bytes in 4 blocks
==22496== indirectly lost: 0 bytes in 0 blocks
==22496== possibly lost: 0 bytes in 0 blocks
==22496== still reachable: 0 bytes in 0 blocks
==22496== suppressed: 0 bytes in 0 blocks
==22496==
==22496== For counts of detected and suppressed errors, rerun with: -v
==22496== ERROR SUMMARY: 3 errors from 3 contexts (suppressed: 2 from 2)
The coming patch for PR78293 halves this number. The remaining leaks are
associated with the temporaries associated with individual(1, [99,999]), where
the component 'genes' does not get deallocated.
Paul
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To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/78478] New: Compile Error for i386-rtems
Date: Tue, 22 Nov 2016 18:26:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78478
Bug ID: 78478
Summary: Compile Error for i386-rtems
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: joel at gcc dot gnu.org
Target Milestone: ---
This is on the git master (13d9a9837159ecd162d08fbbe2ef655aebb7a4c9) as of
yesterday.
This appears to be an issue with soft-float.
/home/joel/test-gcc/b-i386-rtems4.12-gcc/./gcc/xgcc
-B/home/joel/test-gcc/b-i386-rtems4.12-gcc/./gcc/ -nostdinc
-B/home/joel/test-gcc/b-i386-rtems4.12-gcc/i386-rtems4.12/newlib/ -isystem
/home/joel/test-gcc/b-i386-rtems4.12-gcc/i386-rtems4.12/newlib/targ-include
-isystem /home/joel/test-gcc/gcc/newlib/libc/include
-B/home/joel/test-gcc/install-master/i386-rtems4.12/bin/
-B/home/joel/test-gcc/install-master/i386-rtems4.12/lib/ -isystem
/home/joel/test-gcc/install-master/i386-rtems4.12/include -isystem
/home/joel/test-gcc/install-master/i386-rtems4.12/sys-include -g -O2
-msoft-float -O2 -I../../../../gcc/libgcc/../newlib/libc/sys/rtems/include -g
-O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE -W -Wall -Wno-narrowing
-Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes
-Wold-style-definition -isystem ./include -g -DIN_LIBGCC2 -fbuilding-libgcc
-fno-stack-protector -Dinhibit_libc -I. -I. -I../../.././gcc
-I../../../../gcc/libgcc -I../../../../gcc/libgcc/.
-I../../../../gcc/libgcc/../gcc -I../../../../gcc/libgcc/../include
-DHAVE_CC_TLS -Wno-missing-prototypes -Wno-type-limits -o trunctfdf2.o -MT
trunctfdf2.o -MD -MP -MF trunctfdf2.dep -c
../../../../gcc/libgcc/soft-fp/trunctfdf2.c -fvisibility=hidden -DHIDE_EXPORTS
/home/joel/test-gcc/b-i386-rtems4.12-gcc/./gcc/xgcc
-B/home/joel/test-gcc/b-i386-rtems4.12-gcc/./gcc/ -nostdinc
-B/home/joel/test-gcc/b-i386-rtems4.12-gcc/i386-rtems4.12/newlib/ -isystem
/home/joel/test-gcc/b-i386-rtems4.12-gcc/i386-rtems4.12/newlib/targ-include
-isystem /home/joel/test-gcc/gcc/newlib/libc/include
-B/home/joel/test-gcc/install-master/i386-rtems4.12/bin/
-B/home/joel/test-gcc/install-master/i386-rtems4.12/lib/ -isystem
/home/joel/test-gcc/install-master/i386-rtems4.12/include -isystem
/home/joel/test-gcc/install-master/i386-rtems4.12/sys-include -g -O2
-msoft-float -O2 -I../../../../gcc/libgcc/../newlib/libc/sys/rtems/include -g
-O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE -W -Wall -Wno-narrowing
-Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes
-Wold-style-definition -isystem ./include -g -DIN_LIBGCC2 -fbuilding-libgcc
-fno-stack-protector -Dinhibit_libc -I. -I. -I../../.././gcc
-I../../../../gcc/libgcc -I../../../../gcc/libgcc/.
-I../../../../gcc/libgcc/../gcc -I../../../../gcc/libgcc/../include
-DHAVE_CC_TLS -Wno-missing-prototypes -Wno-type-limits -o trunctfxf2.o -MT
trunctfxf2.o -MD -MP -MF trunctfxf2.dep -c
../../../../gcc/libgcc/soft-fp/trunctfxf2.c -fvisibility=hidden -DHIDE_EXPORTS
In file included from ../../../../gcc/libgcc/soft-fp/extendxftf2.c:31:0:
../../../../gcc/libgcc/soft-fp/extended.h:69:1: error: unable to emulate 'XF'
typedef float XFtype __attribute__ ((mode (XF)));
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Subject: [Bug fortran/58001] Make it possible to silence "Extension: Tab character in format" warning
Date: Tue, 22 Nov 2016 18:28:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58001
--- Comment #16 from kargl at gcc dot gnu.org ---
Author: kargl
Date: Tue Nov 22 18:25:55 2016
New Revision: 242717
URL: https://gcc.gnu.org/viewcvs?rev=242717&root=gcc&view=rev
Log:
2016-11-22 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/58001
* io.c (next_char_not_space): Update handling of a 'tab' in a FORMAT.
(format_lex): Adjust invocations of next_char_not_space().
2016-11-22 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/58001
* gfortran.dg/fmt_tab_1.f90: Adjust testcase.
* gfortran.dg/fmt_tab_2.f90: Ditto.
Modified:
branches/gcc-6-branch/gcc/fortran/ChangeLog
branches/gcc-6-branch/gcc/fortran/io.c
branches/gcc-6-branch/gcc/testsuite/ChangeLog
branches/gcc-6-branch/gcc/testsuite/gfortran.dg/fmt_tab_1.f90
branches/gcc-6-branch/gcc/testsuite/gfortran.dg/fmt_tab_2.f90
>From gcc-bugs-return-544648-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 18:28:51 2016
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From: "joel at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/78478] Compile Error for i386-rtems
Date: Tue, 22 Nov 2016 18:34:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78478
Joel Sherrill <joel at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target| |i386-rtems4.12
Known to work| |6.2.1
Version|unknown |7.0
--- Comment #1 from Joel Sherrill <joel at gcc dot gnu.org> ---
This error did not exist in "6.2.1 20161110"
$ ./gcc/xgcc --version
xgcc (GCC) 7.0.0 20161121 (experimental)
This patch allowed the build to continue:
diff --git a/libgcc/soft-fp/extended.h b/libgcc/soft-fp/extended.h
index 7b19e83..6c7396d 100644
--- a/libgcc/soft-fp/extended.h
+++ b/libgcc/soft-fp/extended.h
@@ -66,7 +66,11 @@
#define _FP_HIGHBIT_DW_E \
((_FP_W_TYPE) 1 << (_FP_WFRACBITS_DW_E - 1) % _FP_W_TYPE_SIZE)
+#ifdef _SOFT_FLOAT
+typedef float XFtype;
+#else
typedef float XFtype __attribute__ ((mode (XF)));
+#endif
#if _FP_W_TYPE_SIZE < 64
>From gcc-bugs-return-544649-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 18:34:48 2016
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Subject: [Bug fortran/78479] New: ICE in gfc_apply_init, at fortran/expr.c:4135
Date: Tue, 22 Nov 2016 18:35:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78479
Bug ID: 78479
Summary: ICE in gfc_apply_init, at fortran/expr.c:4135
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
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With valid code down to at least 4.8 :
$ cat z1.f90
program p
type t
character(3) :: c(1) = 'a' // ['b']
end type
end
$ cat z2.f90
program p
type t
character(1) :: c(1) = 'a' // ['b']
end type
end
$ gfortran-7-20161120 z1.f90
f951: internal compiler error: Segmentation fault
0xc4265f crash_signal
../../gcc/toplev.c:333
0x68f1b2 gfc_apply_init(gfc_typespec*, symbol_attribute*, gfc_expr*)
../../gcc/fortran/expr.c:4135
0x6828bf build_struct
../../gcc/fortran/decl.c:1943
0x6828bf variable_decl
../../gcc/fortran/decl.c:2443
0x6828bf gfc_match_data_decl()
../../gcc/fortran/decl.c:4898
0x6daa89 match_word_omp_simd
../../gcc/fortran/parse.c:93
0x6de03e match_word
../../gcc/fortran/parse.c:377
0x6de03e decode_statement
../../gcc/fortran/parse.c:377
0x6dfe44 next_free
../../gcc/fortran/parse.c:1180
0x6dfe44 next_statement
../../gcc/fortran/parse.c:1413
0x6e138a parse_derived
../../gcc/fortran/parse.c:3233
0x6e138a parse_spec
../../gcc/fortran/parse.c:3773
0x6e3bc3 parse_progunit
../../gcc/fortran/parse.c:5615
0x6e51b4 gfc_parse_file()
../../gcc/fortran/parse.c:6124
0x729052 gfc_be_parse_file
../../gcc/fortran/f95-lang.c:202
>From gcc-bugs-return-544650-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Nov 22 18:35:10 2016
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Subject: [Bug fortran/78479] ICE in gfc_apply_init, at fortran/expr.c:4135
Date: Tue, 22 Nov 2016 18:44:00 -0000
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--- Comment #1 from Gerhard Steinmetz <gerhard.steinmetz.fortran@t-online.de> ---
Whereas, these variants are ok :
$ cat z3.f90
program p
type t
character(2) :: c(1) = 'a' // ['b']
end type
type(t) :: z
print *, len(z%c), size(z%c), z
end
$ gfortran-7-20161120 z3.f90
$ a.out
2 1 ab
$ cat z4.f90
program p
type t
character(3) :: c(1)
end type
type(t) :: z
z%c = 'a' // ['b']
print *, len(z%c), size(z%c), z
end
$ gfortran-7-20161120 z4.f90
$ a.out
3 1 ab
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Subject: [Bug target/78478] Compile Error for i386-rtems
Date: Tue, 22 Nov 2016 18:50:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78478
--- Comment #2 from Uroš Bizjak <ubizjak at gmail dot com> ---
For 7.0, somebody changed i[34567]86-*-rtems* entry in libgcc/config.host to
use t-softfp-sfdftf. Please test the following patch:
Index: libgcc/config.host
===================================================================
--- libgcc/config.host (revision 242716)
+++ libgcc/config.host (working copy)
@@ -638,7 +638,7 @@
extra_parts=crtbegin.o
;;
i[34567]86-*-rtems*)
- tmake_file="$tmake_file i386/t-crtstuff t-softfp-sfdftf
i386/32/t-softfp i386/t-softfp t-softfp"
+ tmake_file="$tmake_file i386/t-crtstuff t-softfp-sfdf i386/32/t-softfp
i386/t-softfp t-softfp"
extra_parts="$extra_parts crti.o crtn.o"
;;
i[34567]86-*-solaris2* | x86_64-*-solaris2.1[0-9]*)
Please commit the patch to SVN, if it works OK.
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Subject: [Bug fortran/78479] ICE in gfc_apply_init, at fortran/expr.c:4135
Date: Tue, 22 Nov 2016 18:58:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78479
Dominique d'Humieres <dominiq at lps dot ens.fr> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2016-11-22
Ever confirmed|0 |1
--- Comment #2 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Confirmed.
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From: "bergner at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/78458] [7 Regression] LRA ICE building libgcc for powerpc-linux-gnuspe e500v2
Date: Tue, 22 Nov 2016 18:59:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78458
Peter Bergner <bergner at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2016-11-22
CC| |bergner at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #4 from Peter Bergner <bergner at gcc dot gnu.org> ---
Confirmed with the following creduced test case:
bergner@genoa:~/gcc/BUGS/GNU_SPE$ cat pr78458.i
long double a, f, g, h, i;
long double b, c, d, k;
_Complex
foo (long double p1)
{
_Complex e;
a = k * h;
b = p1 * g;
if (__builtin_expect(c, 0)
&& __builtin_expect(d, 0))
{
long double j = __builtin_expect(k, 0);
if (__builtin_expect(j, 0))
p1 = __builtin_copysignl(1, p1);
a = b = b - i;
if (f)
d = h + p1 * g;
}
e = c;
__imag__ e = d;
return e;
}
bergner@genoa:~/gcc/BUGS/GNU_SPE$
/home/bergner/gcc/build/gcc-fsf-mainline-gnuspe/gcc/xgcc
-B/home/bergner/gcc/build/gcc-fsf-mainline-gnuspe/gcc -O2 -mcpu=8548 -S
pr78458.i
pr78458.i: In function ‘foo’:
pr78458.i:22:1: internal compiler error: in lra_set_insn_recog_data, at
lra.c:965
}
^
0x10a7d327 lra_set_insn_recog_data(rtx_insn*)
/home/bergner/gcc/gcc-fsf-mainline-reg-move_costs-base/gcc/lra.c:963
0x10a7a177 lra_get_insn_recog_data
/home/bergner/gcc/gcc-fsf-mainline-reg-move_costs-base/gcc/lra-int.h:487
0x10a7fc8f lra_update_insn_regno_info(rtx_insn*)
/home/bergner/gcc/gcc-fsf-mainline-reg-move_costs-base/gcc/lra.c:1585
0x10a806af lra_push_insn_1
/home/bergner/gcc/gcc-fsf-mainline-reg-move_costs-base/gcc/lra.c:1736
0x10a80713 lra_push_insn(rtx_insn*)
/home/bergner/gcc/gcc-fsf-mainline-reg-move_costs-base/gcc/lra.c:1744
0x10a80973 push_insns
/home/bergner/gcc/gcc-fsf-mainline-reg-move_costs-base/gcc/lra.c:1787
0x10a80ca7 lra_process_new_insns(rtx_insn*, rtx_insn*, rtx_insn*, char const*)
/home/bergner/gcc/gcc-fsf-mainline-reg-move_costs-base/gcc/lra.c:1835
0x10aa6f5f split_reg
/home/bergner/gcc/gcc-fsf-mainline-reg-move_costs-base/gcc/lra-constraints.c:5369
0x10aab417 inherit_in_ebb
/home/bergner/gcc/gcc-fsf-mainline-reg-move_costs-base/gcc/lra-constraints.c:6178
0x10aab8d3 lra_inheritance()
/home/bergner/gcc/gcc-fsf-mainline-reg-move_costs-base/gcc/lra-constraints.c:6248
0x10a82cf3 lra(_IO_FILE*)
/home/bergner/gcc/gcc-fsf-mainline-reg-move_costs-base/gcc/lra.c:2403
0x109fe61f do_reload
/home/bergner/gcc/gcc-fsf-mainline-reg-move_costs-base/gcc/ira.c:5381
0x109fee53 execute
/home/bergner/gcc/gcc-fsf-mainline-reg-move_costs-base/gcc/ira.c:5565
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Subject: [Bug target/78458] [7 Regression] LRA ICE building libgcc for powerpc-linux-gnuspe e500v2
Date: Tue, 22 Nov 2016 19:00:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78458
--- Comment #5 from Peter Bergner <bergner at gcc dot gnu.org> ---
gdb show we don't like:
(gdb) frame 1
#1 0x0000000010a7d328 in lra_set_insn_recog_data (insn=0x3fffb5584340) at
/home/bergner/gcc/gcc-fsf-mainline-reg-move_costs-base/gcc/lra.c:963
963 gcc_assert (GET_CODE (PATTERN (insn)) == USE
(gdb) pr insn
(insn 281 280 129 9 (set (subreg:SI (reg/v:TF 173 [ p1 ]) 12)
(subreg:SI (reg:IF 325) 12)) "pr78458.i":17 -1
(nil))
Looking at the -mno-lra output, it's interesting that we don't have any use of
IFmode anywhere.
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Subject: [Bug go/77910] [7 Regression] go: open zversion.go: no such file or directory
Date: Tue, 22 Nov 2016 19:14:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77910
--- Comment #7 from Ian Lance Taylor <ian at airs dot com> ---
Coincidentally I am going to submit the patch to fix this today. It was held
up for a while in code review on the master repository. (The fix in the master
repository is https://golang.org/cl/33295).
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Subject: [Bug target/78458] [7 Regression] LRA ICE building libgcc for powerpc-linux-gnuspe e500v2
Date: Tue, 22 Nov 2016 19:26:00 -0000
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--- Comment #6 from Peter Bergner <bergner at gcc dot gnu.org> ---
This whole lra reload is due to us trying to split insns like the following:
(insn 129 281 264 9 (set (subreg:TF (reg:TI 315 [orig:262 p1 ] [262]) 0)
(reg/v:TF 173 [ p1 ])) "pr78458.i":17 1930 {*frob_ti_tf_2}
(expr_list:REG_DEAD (reg/v:TF 173 [ p1 ])
(nil)))
Old reload just leaves the insn alone.
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To: jason@redhat.com
Cc: gcc-bugs@gcc.gnu.org
From: Nathan Sidwell <nathan@acm.org>
Subject: [C++ PR 78252] illformed lamda?
Message-ID: <ca59592a-71f5-a682-3030-388e1ff0afd7@acm.org>
Date: Tue, 22 Nov 2016 19:30:00 -0000
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Jason,
digging further into the demangler crash of 78252, I think the root
cause is ill-formed C++. Here's a further reduced testcase.
template<typename T>
void for2 (T &v)
{
}
void Foo ()
{
auto lam_1 = [](int &) { };
auto lam_2 = [](auto &) { }; // IIUC this is implicitly templatey
for2 (lam_1);
for2 (lam_2); // What is the lambda's argument type?
}
We get 2 instantiations of for2:
.type _Z4for2IZ3FoovEUlRiE_EvRT_, @function
.type _Z4for2IZ3FoovEUlRT_E0_EvS1_, @function
The first one has 'UlRiE_' for the lambda -- a reference to an int. The
second one has 'UlRT_E0_' a reference to the first template parm. But
it's in the template parm specification itself (I...E), so that must be
bogus.
It looks to me that deduction of the lambda's argument type has got
tangled up with deduction of the template function's type. (I've not
looked at pt.c yet)
Is that second call of for2 illformed?
nathan
--
Nathan Sidwell
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2016-11-21 14:12 ` [Bug tree-optimization/78413] [7 Regression] ICE in single_pred_edge, at basic-block.h:361 wschmidt at gcc dot gnu.org
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