* [Bug middle-end/67271] [5/6 Regression] ICE with -O1,2,3 on darwin14.5 x86_64
2015-08-19 9:40 [Bug c/67271] New: ICE with -O1,2,3 on darwin14.5 x86_64 tarasevich at cs dot uni-saarland.de
@ 2015-08-19 9:51 ` mpolacek at gcc dot gnu.org
2015-08-19 9:51 ` mpolacek at gcc dot gnu.org
` (6 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2015-08-19 9:51 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67271
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2015-08-19
Ever confirmed|0 |1
^ permalink raw reply [flat|nested] 9+ messages in thread* [Bug middle-end/67271] [5/6 Regression] ICE with -O1,2,3 on darwin14.5 x86_64
2015-08-19 9:40 [Bug c/67271] New: ICE with -O1,2,3 on darwin14.5 x86_64 tarasevich at cs dot uni-saarland.de
2015-08-19 9:51 ` [Bug middle-end/67271] [5/6 Regression] " mpolacek at gcc dot gnu.org
@ 2015-08-19 9:51 ` mpolacek at gcc dot gnu.org
2015-08-19 9:54 ` mpolacek at gcc dot gnu.org
` (5 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2015-08-19 9:51 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67271
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |mpolacek at gcc dot gnu.org
Component|c |middle-end
Target Milestone|--- |5.3
Summary|ICE with -O1,2,3 on |[5/6 Regression] ICE with
|darwin14.5 x86_64 |-O1,2,3 on darwin14.5
| |x86_64
--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Confirmed, started with r213045. Not Darwin-specific.
^ permalink raw reply [flat|nested] 9+ messages in thread* [Bug middle-end/67271] [5/6 Regression] ICE with -O1,2,3 on darwin14.5 x86_64
2015-08-19 9:40 [Bug c/67271] New: ICE with -O1,2,3 on darwin14.5 x86_64 tarasevich at cs dot uni-saarland.de
2015-08-19 9:51 ` [Bug middle-end/67271] [5/6 Regression] " mpolacek at gcc dot gnu.org
2015-08-19 9:51 ` mpolacek at gcc dot gnu.org
@ 2015-08-19 9:54 ` mpolacek at gcc dot gnu.org
2015-08-19 10:29 ` mpolacek at gcc dot gnu.org
` (4 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2015-08-19 9:54 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: 5493 bytes --]
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67271
--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
long int labs (long int j);
int
main ()
{
long *a = "empty";
int i = 1441516387;
a[i] = labs (a[i]);
return 0;
}
$ ./cc1 -quiet q.c -O
q.c: In function ‘main’:
q.c:5:13: warning: initialization from incompatible pointer type
[-Wincompatible-pointer-types]
long *a = "empty";
^
q.c:9:1: internal compiler error: Segmentation fault
}
^
0xd5be56 crash_signal
/home/marek/src/gcc/gcc/toplev.c:352
0xa11ecf native_encode_string
/home/marek/src/gcc/gcc/fold-const.c:7095
0xa11fb8 native_encode_expr(tree_node const*, unsigned char*, int, int)
/home/marek/src/gcc/gcc/fold-const.c:7127
0xa83bac fold_ctor_reference(tree_node*, tree_node*, unsigned long, unsigned
long, tree_node*)
/home/marek/src/gcc/gcc/gimple-fold.c:5441
0xa841ce fold_const_aggregate_ref_1(tree_node*, tree_node* (*)(tree_node*))
/home/marek/src/gcc/gcc/gimple-fold.c:5558
0xa81d11 gimple_fold_stmt_to_constant_1(gimple_statement_base*, tree_node*
(*)(tree_node*), tree_node* (*)(tree_node*))
/home/marek/src/gcc/gcc/gimple-fold.c:5000
0xe9a2af ccp_fold
/home/marek/src/gcc/gcc/tree-ssa-ccp.c:1218
0xe9cf26 evaluate_stmt
/home/marek/src/gcc/gcc/tree-ssa-ccp.c:1738
0xe9f241 visit_assignment
/home/marek/src/gcc/gcc/tree-ssa-ccp.c:2294
0xe9f487 ccp_visit_stmt
/home/marek/src/gcc/gcc/tree-ssa-ccp.c:2367
0xf47f24 simulate_stmt
/home/marek/src/gcc/gcc/tree-ssa-propagate.c:339
0xf485cf simulate_block
/home/marek/src/gcc/gcc/tree-ssa-propagate.c:517
0xf497c6 ssa_propagate(ssa_prop_result (*)(gimple_statement_base*, edge_def**,
tree_node**), ssa_prop_result (*)(gphi*))
/home/marek/src/gcc/gcc/tree-ssa-propagate.c:934
0xe9f58b do_ssa_ccp
/home/marek/src/gcc/gcc/tree-ssa-ccp.c:2410
0xe9f646 execute
/home/marek/src/gcc/gcc/tree-ssa-ccp.c:2443
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.
>From gcc-bugs-return-495172-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Wed Aug 19 09:54:25 2015
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From: "marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/67272] New: [HSA] register allocator expects that every register must be assigned
Date: Wed, 19 Aug 2015 09:54:00 -0000
X-Bugzilla-Reason: CC
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https://gcc.gnu.org/bugzilla/show_bug.cgi?idg272
Bug ID: 67272
Summary: [HSA] register allocator expects that every register
must be assigned
Product: gcc
Version: hsa
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
Target Milestone: ---
Created attachment 36213
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id6213&actioníit
Test case
Hi Michael.
Current HSA RA produces SEGFAULT in case of we have a register that is never
assigned.
ICE:
/tmp/test2.c:3:1: internal compiler error: Segmentation fault
bar ()
^
0xed3dd4 crash_signal
../../gcc/toplev.c:353
0xc5fc9d cmp_begin
../../gcc/hsa-regalloc.c:448
0xc613e3 vec<hsa_op_reg*, va_heap, vl_embed>::qsort(int (*)(void const*, void
const*))
../../gcc/vec.h:938
0xc610a5 vec<hsa_op_reg*, va_heap, vl_ptr>::qsort(int (*)(void const*, void
const*))
../../gcc/vec.h:1666
0xc6087b linear_scan_regalloc
../../gcc/hsa-regalloc.c:682
0xc60e4e regalloc
../../gcc/hsa-regalloc.c:786
0xc60f07 hsa_regalloc()
../../gcc/hsa-regalloc.c:806
0xc5a63a generate_hsa
../../gcc/hsa-gen.c:3240
0xc5b254 execute
../../gcc/hsa-gen.c:3485
Thanks,
Martin
^ permalink raw reply [flat|nested] 9+ messages in thread* [Bug middle-end/67271] [5/6 Regression] ICE with -O1,2,3 on darwin14.5 x86_64
2015-08-19 9:40 [Bug c/67271] New: ICE with -O1,2,3 on darwin14.5 x86_64 tarasevich at cs dot uni-saarland.de
` (2 preceding siblings ...)
2015-08-19 9:54 ` mpolacek at gcc dot gnu.org
@ 2015-08-19 10:29 ` mpolacek at gcc dot gnu.org
2015-08-19 14:33 ` rguenth at gcc dot gnu.org
` (3 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2015-08-19 10:29 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67271
--- Comment #3 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Seems like native_encode_string should deal with nonsensical offset:
(gdb) p off
$4 = -1352770792
^ permalink raw reply [flat|nested] 9+ messages in thread* [Bug middle-end/67271] [5/6 Regression] ICE with -O1,2,3 on darwin14.5 x86_64
2015-08-19 9:40 [Bug c/67271] New: ICE with -O1,2,3 on darwin14.5 x86_64 tarasevich at cs dot uni-saarland.de
` (3 preceding siblings ...)
2015-08-19 10:29 ` mpolacek at gcc dot gnu.org
@ 2015-08-19 14:33 ` rguenth at gcc dot gnu.org
2015-09-16 14:29 ` [Bug middle-end/67271] [5 " rguenth at gcc dot gnu.org
` (2 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-08-19 14:33 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67271
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Mine.
^ permalink raw reply [flat|nested] 9+ messages in thread* [Bug middle-end/67271] [5 Regression] ICE with -O1,2,3 on darwin14.5 x86_64
2015-08-19 9:40 [Bug c/67271] New: ICE with -O1,2,3 on darwin14.5 x86_64 tarasevich at cs dot uni-saarland.de
` (4 preceding siblings ...)
2015-08-19 14:33 ` rguenth at gcc dot gnu.org
@ 2015-09-16 14:29 ` rguenth at gcc dot gnu.org
2015-09-21 9:57 ` rguenth at gcc dot gnu.org
2015-09-21 9:58 ` rguenth at gcc dot gnu.org
7 siblings, 0 replies; 9+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-09-16 14:29 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67271
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Known to work| |6.0
Summary|[5/6 Regression] ICE with |[5 Regression] ICE with
|-O1,2,3 on darwin14.5 |-O1,2,3 on darwin14.5
|x86_64 |x86_64
Known to fail| |5.2.0
--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed on trunk sofar.
^ permalink raw reply [flat|nested] 9+ messages in thread* [Bug middle-end/67271] [5 Regression] ICE with -O1,2,3 on darwin14.5 x86_64
2015-08-19 9:40 [Bug c/67271] New: ICE with -O1,2,3 on darwin14.5 x86_64 tarasevich at cs dot uni-saarland.de
` (5 preceding siblings ...)
2015-09-16 14:29 ` [Bug middle-end/67271] [5 " rguenth at gcc dot gnu.org
@ 2015-09-21 9:57 ` rguenth at gcc dot gnu.org
2015-09-21 9:58 ` rguenth at gcc dot gnu.org
7 siblings, 0 replies; 9+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-09-21 9:57 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67271
--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Sep 21 09:55:57 2015
New Revision: 227961
URL: https://gcc.gnu.org/viewcvs?rev=227961&root=gcc&view=rev
Log:
2015-09-21 Richard Biener <rguenther@suse.de>
Backport from mainline
2015-07-08 Richard Biener <rguenther@suse.de>
PR tree-optimization/66793
* gimple-ssa-isolate-paths.c
(insert_trap_and_remove_trailing_statemen):
Properly split the block after stmts ending it.
* gcc.dg/torture/pr66793.c: New testcase.
2015-08-05 Richard Biener <rguenther@suse.de>
PR tree-optimization/67055
* tree-ssa-ccp.c (fold_builtin_alloca_with_align): Handle
NULL gimple_block.
* g++.dg/torture/pr67055.C: New testcase.
2015-08-05 Richard Biener <rguenther@suse.de>
PR tree-optimization/67121
* tree-if-conv.c (combine_blocks): Clear range-info produced
by stmts no longer executed conditionally.
* gcc.dg/torture/pr67121.c: New testcase.
2015-09-16 Richard Biener <rguenther@suse.de>
PR middle-end/67271
* fold-const.c (native_encode_expr): Bail out on bogus offsets.
* gcc.dg/pr67271.c: New testcase.
2015-07-22 Richard Biener <rguenther@suse.de>
PR tree-optimization/66952
* tree-ssa-ifcombine.c (pass_tree_ifcombine::execute): For
blocks we end up executing unconditionally reset all SSA
info such as range and alignment.
* tree-ssanames.h (reset_flow_sensitive_info): Declare.
* tree-ssanames.c (reset_flow_sensitive_info): New function.
* gcc.dg/torture/pr66952.c: New testcase.
2015-09-15 Richard Biener <rguenther@suse.de>
PR tree-optimization/67470
* tree-ssa-loop-im.c (execute_sm_if_changed): Preserve PHI
structure for PHI hoisting by inserting a forwarder block
if appropriate.
* gcc.dg/torture/pr67470.c: New testcase.
Added:
branches/gcc-5-branch/gcc/testsuite/g++.dg/torture/pr67055.C
branches/gcc-5-branch/gcc/testsuite/gcc.dg/pr67271.c
branches/gcc-5-branch/gcc/testsuite/gcc.dg/torture/pr66793.c
branches/gcc-5-branch/gcc/testsuite/gcc.dg/torture/pr66952.c
branches/gcc-5-branch/gcc/testsuite/gcc.dg/torture/pr67121.c
branches/gcc-5-branch/gcc/testsuite/gcc.dg/torture/pr67470.c
Modified:
branches/gcc-5-branch/gcc/ChangeLog
branches/gcc-5-branch/gcc/fold-const.c
branches/gcc-5-branch/gcc/gimple-ssa-isolate-paths.c
branches/gcc-5-branch/gcc/testsuite/ChangeLog
branches/gcc-5-branch/gcc/tree-if-conv.c
branches/gcc-5-branch/gcc/tree-ssa-ccp.c
branches/gcc-5-branch/gcc/tree-ssa-ifcombine.c
branches/gcc-5-branch/gcc/tree-ssa-loop-im.c
branches/gcc-5-branch/gcc/tree-ssanames.c
branches/gcc-5-branch/gcc/tree-ssanames.h
^ permalink raw reply [flat|nested] 9+ messages in thread* [Bug middle-end/67271] [5 Regression] ICE with -O1,2,3 on darwin14.5 x86_64
2015-08-19 9:40 [Bug c/67271] New: ICE with -O1,2,3 on darwin14.5 x86_64 tarasevich at cs dot uni-saarland.de
` (6 preceding siblings ...)
2015-09-21 9:57 ` rguenth at gcc dot gnu.org
@ 2015-09-21 9:58 ` rguenth at gcc dot gnu.org
7 siblings, 0 replies; 9+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-09-21 9:58 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67271
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed.
^ permalink raw reply [flat|nested] 9+ messages in thread