* [Bug target/60704] [4.9 Regression] ICE: in extract_constrain_insn_cached, at recog.c:2156 with -flive-range-shrinkage -march=amdfam10
2014-03-29 11:08 [Bug target/60704] New: ICE: in extract_constrain_insn_cached, at recog.c:2156 with -flive-range-shrinkage -march=amdfam10 zsojka at seznam dot cz
@ 2014-03-29 11:28 ` jakub at gcc dot gnu.org
2014-03-31 8:40 ` rguenth at gcc dot gnu.org
` (8 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: jakub at gcc dot gnu.org @ 2014-03-29 11:28 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60704
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2014-03-29
CC| |jakub at gcc dot gnu.org,
| |rth at gcc dot gnu.org
Target Milestone|--- |4.9.0
Summary|ICE: in |[4.9 Regression] ICE: in
|extract_constrain_insn_cach |extract_constrain_insn_cach
|ed, at recog.c:2156 with |ed, at recog.c:2156 with
|-flive-range-shrinkage |-flive-range-shrinkage
|-march=amdfam10 |-march=amdfam10
Ever confirmed|0 |1
--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Started with r208587.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug target/60704] [4.9 Regression] ICE: in extract_constrain_insn_cached, at recog.c:2156 with -flive-range-shrinkage -march=amdfam10
2014-03-29 11:08 [Bug target/60704] New: ICE: in extract_constrain_insn_cached, at recog.c:2156 with -flive-range-shrinkage -march=amdfam10 zsojka at seznam dot cz
2014-03-29 11:28 ` [Bug target/60704] [4.9 Regression] " jakub at gcc dot gnu.org
@ 2014-03-31 8:40 ` rguenth at gcc dot gnu.org
2014-03-31 16:01 ` rth at gcc dot gnu.org
` (7 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu.org @ 2014-03-31 8:40 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60704
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P1
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug target/60704] [4.9 Regression] ICE: in extract_constrain_insn_cached, at recog.c:2156 with -flive-range-shrinkage -march=amdfam10
2014-03-29 11:08 [Bug target/60704] New: ICE: in extract_constrain_insn_cached, at recog.c:2156 with -flive-range-shrinkage -march=amdfam10 zsojka at seznam dot cz
2014-03-29 11:28 ` [Bug target/60704] [4.9 Regression] " jakub at gcc dot gnu.org
2014-03-31 8:40 ` rguenth at gcc dot gnu.org
@ 2014-03-31 16:01 ` rth at gcc dot gnu.org
2014-03-31 19:59 ` rth at gcc dot gnu.org
` (6 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: rth at gcc dot gnu.org @ 2014-03-31 16:01 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60704
Richard Henderson <rth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |rth at gcc dot gnu.org
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug target/60704] [4.9 Regression] ICE: in extract_constrain_insn_cached, at recog.c:2156 with -flive-range-shrinkage -march=amdfam10
2014-03-29 11:08 [Bug target/60704] New: ICE: in extract_constrain_insn_cached, at recog.c:2156 with -flive-range-shrinkage -march=amdfam10 zsojka at seznam dot cz
` (2 preceding siblings ...)
2014-03-31 16:01 ` rth at gcc dot gnu.org
@ 2014-03-31 19:59 ` rth at gcc dot gnu.org
2014-04-01 14:41 ` rth at gcc dot gnu.org
` (5 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: rth at gcc dot gnu.org @ 2014-03-31 19:59 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60704
--- Comment #2 from Richard Henderson <rth at gcc dot gnu.org> ---
Created attachment 32501
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32501&action=edit
possible patch
This seems to work for the testcase.
Full testing still in progress.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug target/60704] [4.9 Regression] ICE: in extract_constrain_insn_cached, at recog.c:2156 with -flive-range-shrinkage -march=amdfam10
2014-03-29 11:08 [Bug target/60704] New: ICE: in extract_constrain_insn_cached, at recog.c:2156 with -flive-range-shrinkage -march=amdfam10 zsojka at seznam dot cz
` (3 preceding siblings ...)
2014-03-31 19:59 ` rth at gcc dot gnu.org
@ 2014-04-01 14:41 ` rth at gcc dot gnu.org
2014-04-01 16:20 ` law at redhat dot com
` (4 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: rth at gcc dot gnu.org @ 2014-04-01 14:41 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60704
--- Comment #3 from Richard Henderson <rth at gcc dot gnu.org> ---
Author: rth
Date: Tue Apr 1 14:40:27 2014
New Revision: 208989
URL: http://gcc.gnu.org/viewcvs?rev=208989&root=gcc&view=rev
Log:
PR target/60704
* config/i386/i386.md (*float<SWI48><MODEF>2_sse): Leave the second
alternative enabled before register allocation.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/i386/i386.md
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug target/60704] [4.9 Regression] ICE: in extract_constrain_insn_cached, at recog.c:2156 with -flive-range-shrinkage -march=amdfam10
2014-03-29 11:08 [Bug target/60704] New: ICE: in extract_constrain_insn_cached, at recog.c:2156 with -flive-range-shrinkage -march=amdfam10 zsojka at seznam dot cz
` (4 preceding siblings ...)
2014-04-01 14:41 ` rth at gcc dot gnu.org
@ 2014-04-01 16:20 ` law at redhat dot com
2014-04-01 16:39 ` rth at gcc dot gnu.org
` (3 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: law at redhat dot com @ 2014-04-01 16:20 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60704
Jeffrey A. Law <law at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
CC| |law at redhat dot com
Resolution|--- |FIXED
--- Comment #4 from Jeffrey A. Law <law at redhat dot com> ---
Fixed on trunk.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug target/60704] [4.9 Regression] ICE: in extract_constrain_insn_cached, at recog.c:2156 with -flive-range-shrinkage -march=amdfam10
2014-03-29 11:08 [Bug target/60704] New: ICE: in extract_constrain_insn_cached, at recog.c:2156 with -flive-range-shrinkage -march=amdfam10 zsojka at seznam dot cz
` (5 preceding siblings ...)
2014-04-01 16:20 ` law at redhat dot com
@ 2014-04-01 16:39 ` rth at gcc dot gnu.org
2014-09-15 17:37 ` ubizjak at gmail dot com
` (2 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: rth at gcc dot gnu.org @ 2014-04-01 16:39 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60704
--- Comment #5 from Richard Henderson <rth at gcc dot gnu.org> ---
Author: rth
Date: Tue Apr 1 16:39:18 2014
New Revision: 208990
URL: http://gcc.gnu.org/viewcvs?rev=208990&root=gcc&view=rev
Log:
PR target/60704
* gcc.dg/pr60704.c: New file.
Added:
trunk/gcc/testsuite/gcc.dg/pr60704.c
Modified:
trunk/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug target/60704] [4.9 Regression] ICE: in extract_constrain_insn_cached, at recog.c:2156 with -flive-range-shrinkage -march=amdfam10
2014-03-29 11:08 [Bug target/60704] New: ICE: in extract_constrain_insn_cached, at recog.c:2156 with -flive-range-shrinkage -march=amdfam10 zsojka at seznam dot cz
` (6 preceding siblings ...)
2014-04-01 16:39 ` rth at gcc dot gnu.org
@ 2014-09-15 17:37 ` ubizjak at gmail dot com
2014-09-15 19:12 ` ubizjak at gmail dot com
2014-12-15 18:49 ` ubizjak at gmail dot com
9 siblings, 0 replies; 11+ messages in thread
From: ubizjak at gmail dot com @ 2014-09-15 17:37 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60704
Uroš Bizjak <ubizjak at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Blocks| |61360
Resolution|FIXED |---
--- Comment #6 from Uroš Bizjak <ubizjak at gmail dot com> ---
This is not correct fix. The patch causes PR 61360.
>From gcc-bugs-return-461839-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Sep 15 18:53:43 2014
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From: "zackw at panix dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/63271] New: Should commute arithmetic with vector load
Date: Mon, 15 Sep 2014 18:53:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?idc271
Bug ID: 63271
Summary: Should commute arithmetic with vector load
Product: gcc
Version: 4.9.1
Status: UNCONFIRMED
Keywords: missed-optimization
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: zackw at panix dot com
Consider
#include <emmintrin.h>
__m128i foo(char C)
{
return _mm_set_epi8( 0, C, 2*C, 3*C,
4*C, 5*C, 6*C, 7*C,
8*C, 9*C, 10*C, 11*C,
12*C, 13*C, 14*C, 15*C);
}
__m128i bar(char C)
{
__m128i v = _mm_set_epi8(0, 1, 2, 3, 4, 5, 6, 7,
8, 9,10,11,12,13,14,15);
v *= C;
return v;
}
I *believe* these functions compute the same value, and should therefore
generate identical code, but with gcc 4.9 foo() generates considerably larger
and slower code.
The test case is expressed in terms of x86 <emmintrin.h> but I have no reason
to believe it isn't a generic missed optimization in the tree-level vectorizer.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug target/60704] [4.9 Regression] ICE: in extract_constrain_insn_cached, at recog.c:2156 with -flive-range-shrinkage -march=amdfam10
2014-03-29 11:08 [Bug target/60704] New: ICE: in extract_constrain_insn_cached, at recog.c:2156 with -flive-range-shrinkage -march=amdfam10 zsojka at seznam dot cz
` (7 preceding siblings ...)
2014-09-15 17:37 ` ubizjak at gmail dot com
@ 2014-09-15 19:12 ` ubizjak at gmail dot com
2014-12-15 18:49 ` ubizjak at gmail dot com
9 siblings, 0 replies; 11+ messages in thread
From: ubizjak at gmail dot com @ 2014-09-15 19:12 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60704
Uroš Bizjak <ubizjak at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Severity|normal |critical
--- Comment #7 from Uroš Bizjak <ubizjak at gmail dot com> ---
If LRA is able to fixup reg -> memory, as the comment above float patterns
claims, then constrain_operands should also recognize insn with memory-only
constraints, like:
(define_insn "*float<SWI48x:mode><MODEF:mode>2_i387"
[(set (match_operand:MODEF 0 "register_operand" "=f")
(float:MODEF (match_operand:SWI48x 1 "nonimmediate_operand" "m")))]
when register operand is passed as operand 1.
(I wonder why this pattern doesn't break in the same way as SSE version...)
Please note that these patterns are also present in 4.9 branch, and it looks to
me that the infrastructure is not fully prepared for the new LRA functionality.
It looks to me that we have critical issue here, so either the original patch
that introduced these patterns should be reverted, or infrastructure on release
branch should be fixed ASAP, before the new point release.
>From gcc-bugs-return-461841-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Sep 15 19:46:51 2014
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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/56408] Fix dependency handling of testsuite/gfortran.dg
Date: Mon, 15 Sep 2014 19:46:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?idV408
--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Mon Sep 15 19:46:12 2014
New Revision: 215275
URL: https://gcc.gnu.org/viewcvs?rev!5275&root=gcc&view=rev
Log:
PR fortran/56408
* gfortran.dg/dg.exp (gfortran_test_path, gfortran_aux_module_flags):
New global vars.
(dg-compile-aux-modules): New procedure.
* gfortran.dg/binding_label_tests_10.f03: Remove comment
and keep-modules.
* gfortran.dg/binding_label_tests_10_main.f03: Remove comment,
use dg-compile-aux-modules.
* gfortran.dg/binding_label_tests_11.f03: Remove comment
and keep-modules.
* gfortran.dg/binding_label_tests_11_main.f03: Remove comment,
use dg-compile-aux-modules.
* gfortran.dg/binding_label_tests_13.f03: Remove comment
and keep-modules.
* gfortran.dg/binding_label_tests_13_main.f03: Remove comment,
use dg-compile-aux-modules.
* gfortran.dg/binding_label_tests_26a.f90: Remove comment
and keep-modules.
* gfortran.dg/binding_label_tests_26b.f90: Remove comment,
use dg-compile-aux-modules.
* gfortran.dg/class_45a.f03: Remove keep-modules.
* gfortran.dg/class_45b.f03: Use dg-compile-aux-modules
and cleanup-modules.
* gfortran.dg/class_4a.f03: Use dg-do link, use
dg-additional-sources and cleanup-modules, remove keep-modules
and update comment.
* gfortran.dg/class_4b.f03: Don't compile anywhere, remove
keep-modules, adjust comment.
* gfortran.dg/class_4c.f03: Don't compile anywhere, remove
dg-additional-sources and cleanup-modules.
* gfortran.dg/coarray_29_1.f90: Remove keep-modules and
associated comment.
* gfortran.dg/coarray_29_2.f90: Use dg-compile-aux-modules,
remove comment.
* gfortran.dg/test_common_binding_labels_2.f03: Remove keep-modules.
* gfortran.dg/test_common_binding_labels_2_main.f03: Remove comment,
use dg-compile-aux-modules.
* gfortran.dg/test_common_binding_labels_3.f03: Remove keep-modules.
* gfortran.dg/test_common_binding_labels_3_main.f03: Remove comment,
use dg-compile-aux-modules.
* gfortran.dg/whole_file_28.f90: Remove comment and keep-modules.
* gfortran.dg/whole_file_29.f90: Remove comment, use
dg-compile-aux-modules.
* gfortran.dg/whole_file_30.f90: Remove comment and keep-modules.
* gfortran.dg/whole_file_31.f90: Remove comment, use
dg-compile-aux-modules.
Modified:
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gfortran.dg/binding_label_tests_10.f03
trunk/gcc/testsuite/gfortran.dg/binding_label_tests_10_main.f03
trunk/gcc/testsuite/gfortran.dg/binding_label_tests_11.f03
trunk/gcc/testsuite/gfortran.dg/binding_label_tests_11_main.f03
trunk/gcc/testsuite/gfortran.dg/binding_label_tests_13.f03
trunk/gcc/testsuite/gfortran.dg/binding_label_tests_13_main.f03
trunk/gcc/testsuite/gfortran.dg/binding_label_tests_26a.f90
trunk/gcc/testsuite/gfortran.dg/binding_label_tests_26b.f90
trunk/gcc/testsuite/gfortran.dg/class_45a.f03
trunk/gcc/testsuite/gfortran.dg/class_45b.f03
trunk/gcc/testsuite/gfortran.dg/class_4a.f03
trunk/gcc/testsuite/gfortran.dg/class_4b.f03
trunk/gcc/testsuite/gfortran.dg/class_4c.f03
trunk/gcc/testsuite/gfortran.dg/coarray_29_1.f90
trunk/gcc/testsuite/gfortran.dg/coarray_29_2.f90
trunk/gcc/testsuite/gfortran.dg/dg.exp
trunk/gcc/testsuite/gfortran.dg/test_common_binding_labels_2.f03
trunk/gcc/testsuite/gfortran.dg/test_common_binding_labels_2_main.f03
trunk/gcc/testsuite/gfortran.dg/test_common_binding_labels_3.f03
trunk/gcc/testsuite/gfortran.dg/test_common_binding_labels_3_main.f03
trunk/gcc/testsuite/gfortran.dg/whole_file_28.f90
trunk/gcc/testsuite/gfortran.dg/whole_file_29.f90
trunk/gcc/testsuite/gfortran.dg/whole_file_30.f90
trunk/gcc/testsuite/gfortran.dg/whole_file_31.f90
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug target/60704] [4.9 Regression] ICE: in extract_constrain_insn_cached, at recog.c:2156 with -flive-range-shrinkage -march=amdfam10
2014-03-29 11:08 [Bug target/60704] New: ICE: in extract_constrain_insn_cached, at recog.c:2156 with -flive-range-shrinkage -march=amdfam10 zsojka at seznam dot cz
` (8 preceding siblings ...)
2014-09-15 19:12 ` ubizjak at gmail dot com
@ 2014-12-15 18:49 ` ubizjak at gmail dot com
9 siblings, 0 replies; 11+ messages in thread
From: ubizjak at gmail dot com @ 2014-12-15 18:49 UTC (permalink / raw)
To: gcc-bugs
[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain; charset="UTF-8", Size: 7173 bytes --]
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60704
Uroš Bizjak <ubizjak at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |RESOLVED
Resolution|--- |FIXED
--- Comment #8 from Uroš Bizjak <ubizjak at gmail dot com> ---
The introduced problems were fixed on mainline by r216557.
>From gcc-bugs-return-470785-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Dec 15 18:50:15 2014
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Subject: [Bug target/61360] [5 Regression] ICE: in lra_update_insn_recog_data, at lra.c:1363 with -mtune½ver4
Date: Mon, 15 Dec 2014 18:50:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61360
Uroš Bizjak <ubizjak at gmail dot com> changed:
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----------------------------------------------------------------------------
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--- Comment #17 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Jakub Jelinek from comment #16)
> I see r216557 has been committed, isn't this resolved by that change?
Yes, fixed by r216557.
>From gcc-bugs-return-470786-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Dec 15 18:51:45 2014
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Subject: [Bug libgcc/63832] [5.0 Regression] crtstuff.c:400:19: warning: array subscript is above array bounds [-Warray-bounds]
Date: Mon, 15 Dec 2014 18:51:00 -0000
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Uroš Bizjak <ubizjak at gmail dot com> changed:
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--- Comment #7 from Uroš Bizjak <ubizjak at gmail dot com> ---
Fixed.
>From gcc-bugs-return-470787-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Dec 15 18:54:34 2014
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Subject: [Bug target/62084] [avr] ICE: in convert_debug_memory_address
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--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Looking at this again, this might be a "debug" issue instead rather than
"target".
^ permalink raw reply [flat|nested] 11+ messages in thread