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* [Bug tree-optimization/54942] New: [4.8 Regression] ICE: OOM with -O3 -fno-cse-follow-jumps -funroll-loops
@ 2012-10-17 4:46 zsojka at seznam dot cz
2012-10-17 5:00 ` [Bug tree-optimization/54942] " zsojka at seznam dot cz
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: zsojka at seznam dot cz @ 2012-10-17 4:46 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54942
Bug #: 54942
Summary: [4.8 Regression] ICE: OOM with -O3
-fno-cse-follow-jumps -funroll-loops
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: zsojka@seznam.cz
Created attachment 28459
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28459
reduced testcase
Compiler output:
$ gcc -O3 -fno-cse-follow-jumps -funroll-loops testcase.c
cc1: out of memory allocating 17179869180 bytes after a total of 733184 bytes
The original testcase didn't have uninitialised variables... I can provide it
if needed.
Tested revisions:
r192509 - fail
r191586 - OK
4.7 r191640 - OK
^ permalink raw reply [flat|nested] 7+ messages in thread* [Bug tree-optimization/54942] [4.8 Regression] ICE: OOM with -O3 -fno-cse-follow-jumps -funroll-loops
2012-10-17 4:46 [Bug tree-optimization/54942] New: [4.8 Regression] ICE: OOM with -O3 -fno-cse-follow-jumps -funroll-loops zsojka at seznam dot cz
@ 2012-10-17 5:00 ` zsojka at seznam dot cz
2012-10-17 5:31 ` izamyatin at gmail dot com
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: zsojka at seznam dot cz @ 2012-10-17 5:00 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54942
--- Comment #1 from Zdenek Sojka <zsojka at seznam dot cz> 2012-10-17 05:00:16 UTC ---
==21397== Invalid read of size 8
==21397== at 0x8C1D76: unroll_and_peel_loops(int) (sbitmap.h:141)
==21397== by 0x8B25E7: rtl_unroll_and_peel_loops() (loop-init.c:378)
==21397== by 0x905069: execute_one_pass(opt_pass*) (passes.c:2320)
==21397== by 0x905494: execute_pass_list(opt_pass*) (passes.c:2381)
==21397== by 0x9054A6: execute_pass_list(opt_pass*) (passes.c:2382)
==21397== by 0x9054A6: execute_pass_list(opt_pass*) (passes.c:2382)
==21397== by 0x6C61C7: expand_function(cgraph_node*) (cgraphunit.c:1601)
==21397== by 0x6C8079: compile() (cgraphunit.c:1705)
==21397== by 0x6C8654: finalize_compilation_unit() (cgraphunit.c:2080)
==21397== by 0x5A25B7: c_write_global_declarations() (c-decl.c:10118)
==21397== by 0x9EC004: compile_file() (toplev.c:560)
==21397== by 0x9EDBB7: toplev_main(int, char**) (toplev.c:1866)
==21397== by 0x5A334BC: (below main) (in /lib64/libc-2.15.so)
==21397== Address 0x67ec2a0 is 0 bytes after a block of size 16 alloc'd
==21397== at 0x4C29A80: malloc (in
/usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==21397== by 0x117A6D7: xmalloc (xmalloc.c:147)
==21397== by 0x983061: sbitmap_alloc(unsigned int) (sbitmap.c:85)
==21397== by 0x8C1D60: unroll_and_peel_loops(int) (loop-unroll.c:467)
==21397== by 0x8B25E7: rtl_unroll_and_peel_loops() (loop-init.c:378)
==21397== by 0x905069: execute_one_pass(opt_pass*) (passes.c:2320)
==21397== by 0x905494: execute_pass_list(opt_pass*) (passes.c:2381)
==21397== by 0x9054A6: execute_pass_list(opt_pass*) (passes.c:2382)
==21397== by 0x9054A6: execute_pass_list(opt_pass*) (passes.c:2382)
==21397== by 0x6C61C7: expand_function(cgraph_node*) (cgraphunit.c:1601)
==21397== by 0x6C8079: compile() (cgraphunit.c:1705)
==21397== by 0x6C8654: finalize_compilation_unit() (cgraphunit.c:2080)
==21397== by 0x5A25B7: c_write_global_declarations() (c-decl.c:10118)
==21397== by 0x9EC004: compile_file() (toplev.c:560)
==21397== by 0x9EDBB7: toplev_main(int, char**) (toplev.c:1866)
==21397== by 0x5A334BC: (below main) (in /lib64/libc-2.15.so)
==21397==
==21397== Invalid write of size 8
==21397== at 0x8C1D87: unroll_and_peel_loops(int) (sbitmap.h:141)
==21397== by 0x8B25E7: rtl_unroll_and_peel_loops() (loop-init.c:378)
==21397== by 0x905069: execute_one_pass(opt_pass*) (passes.c:2320)
==21397== by 0x905494: execute_pass_list(opt_pass*) (passes.c:2381)
==21397== by 0x9054A6: execute_pass_list(opt_pass*) (passes.c:2382)
==21397== by 0x9054A6: execute_pass_list(opt_pass*) (passes.c:2382)
==21397== by 0x6C61C7: expand_function(cgraph_node*) (cgraphunit.c:1601)
==21397== by 0x6C8079: compile() (cgraphunit.c:1705)
==21397== by 0x6C8654: finalize_compilation_unit() (cgraphunit.c:2080)
==21397== by 0x5A25B7: c_write_global_declarations() (c-decl.c:10118)
==21397== by 0x9EC004: compile_file() (toplev.c:560)
==21397== by 0x9EDBB7: toplev_main(int, char**) (toplev.c:1866)
==21397== by 0x5A334BC: (below main) (in /lib64/libc-2.15.so)
==21397== Address 0x67ec2a0 is 0 bytes after a block of size 16 alloc'd
==21397== at 0x4C29A80: malloc (in
/usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==21397== by 0x117A6D7: xmalloc (xmalloc.c:147)
==21397== by 0x983061: sbitmap_alloc(unsigned int) (sbitmap.c:85)
==21397== by 0x8C1D60: unroll_and_peel_loops(int) (loop-unroll.c:467)
==21397== by 0x8B25E7: rtl_unroll_and_peel_loops() (loop-init.c:378)
==21397== by 0x905069: execute_one_pass(opt_pass*) (passes.c:2320)
==21397== by 0x905494: execute_pass_list(opt_pass*) (passes.c:2381)
==21397== by 0x9054A6: execute_pass_list(opt_pass*) (passes.c:2382)
==21397== by 0x9054A6: execute_pass_list(opt_pass*) (passes.c:2382)
==21397== by 0x6C61C7: expand_function(cgraph_node*) (cgraphunit.c:1601)
==21397== by 0x6C8079: compile() (cgraphunit.c:1705)
==21397== by 0x6C8654: finalize_compilation_unit() (cgraphunit.c:2080)
==21397== by 0x5A25B7: c_write_global_declarations() (c-decl.c:10118)
==21397== by 0x9EC004: compile_file() (toplev.c:560)
==21397== by 0x9EDBB7: toplev_main(int, char**) (toplev.c:1866)
==21397== by 0x5A334BC: (below main) (in /lib64/libc-2.15.so)
==21397==
cc1: out of memory allocating 17179869180 bytes after a total of 0 bytes
^ permalink raw reply [flat|nested] 7+ messages in thread* [Bug tree-optimization/54942] [4.8 Regression] ICE: OOM with -O3 -fno-cse-follow-jumps -funroll-loops
2012-10-17 4:46 [Bug tree-optimization/54942] New: [4.8 Regression] ICE: OOM with -O3 -fno-cse-follow-jumps -funroll-loops zsojka at seznam dot cz
2012-10-17 5:00 ` [Bug tree-optimization/54942] " zsojka at seznam dot cz
@ 2012-10-17 5:31 ` izamyatin at gmail dot com
2012-10-17 9:20 ` [Bug rtl-optimization/54942] " rguenth at gcc dot gnu.org
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: izamyatin at gmail dot com @ 2012-10-17 5:31 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54942
Igor Zamyatin <izamyatin at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |izamyatin at gmail dot com
--- Comment #2 from Igor Zamyatin <izamyatin at gmail dot com> 2012-10-17 05:30:47 UTC ---
I see similar for r192219
^ permalink raw reply [flat|nested] 7+ messages in thread* [Bug rtl-optimization/54942] [4.8 Regression] ICE: OOM with -O3 -fno-cse-follow-jumps -funroll-loops
2012-10-17 4:46 [Bug tree-optimization/54942] New: [4.8 Regression] ICE: OOM with -O3 -fno-cse-follow-jumps -funroll-loops zsojka at seznam dot cz
2012-10-17 5:00 ` [Bug tree-optimization/54942] " zsojka at seznam dot cz
2012-10-17 5:31 ` izamyatin at gmail dot com
@ 2012-10-17 9:20 ` rguenth at gcc dot gnu.org
2012-10-23 8:52 ` izamyatin at gmail dot com
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu.org @ 2012-10-17 9:20 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54942
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |hubicka at gcc dot gnu.org
Component|tree-optimization |rtl-optimization
Target Milestone|--- |4.8.0
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> 2012-10-17 09:20:01 UTC ---
Honza, this is most certainly yours.
^ permalink raw reply [flat|nested] 7+ messages in thread* [Bug rtl-optimization/54942] [4.8 Regression] ICE: OOM with -O3 -fno-cse-follow-jumps -funroll-loops
2012-10-17 4:46 [Bug tree-optimization/54942] New: [4.8 Regression] ICE: OOM with -O3 -fno-cse-follow-jumps -funroll-loops zsojka at seznam dot cz
` (2 preceding siblings ...)
2012-10-17 9:20 ` [Bug rtl-optimization/54942] " rguenth at gcc dot gnu.org
@ 2012-10-23 8:52 ` izamyatin at gmail dot com
2012-10-31 20:03 ` zsojka at seznam dot cz
2012-11-09 23:43 ` steven at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: izamyatin at gmail dot com @ 2012-10-23 8:52 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54942
--- Comment #4 from Igor Zamyatin <izamyatin at gmail dot com> 2012-10-23 08:52:30 UTC ---
Does it still happen? I don't see oom now for my test
^ permalink raw reply [flat|nested] 7+ messages in thread* [Bug rtl-optimization/54942] [4.8 Regression] ICE: OOM with -O3 -fno-cse-follow-jumps -funroll-loops
2012-10-17 4:46 [Bug tree-optimization/54942] New: [4.8 Regression] ICE: OOM with -O3 -fno-cse-follow-jumps -funroll-loops zsojka at seznam dot cz
` (3 preceding siblings ...)
2012-10-23 8:52 ` izamyatin at gmail dot com
@ 2012-10-31 20:03 ` zsojka at seznam dot cz
2012-11-09 23:43 ` steven at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: zsojka at seznam dot cz @ 2012-10-31 20:03 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54942
--- Comment #5 from Zdenek Sojka <zsojka at seznam dot cz> 2012-10-31 20:02:56 UTC ---
(In reply to comment #4)
> Does it still happen? I don't see oom now for my test
I can't reproduce it anymore.
^ permalink raw reply [flat|nested] 7+ messages in thread* [Bug rtl-optimization/54942] [4.8 Regression] ICE: OOM with -O3 -fno-cse-follow-jumps -funroll-loops
2012-10-17 4:46 [Bug tree-optimization/54942] New: [4.8 Regression] ICE: OOM with -O3 -fno-cse-follow-jumps -funroll-loops zsojka at seznam dot cz
` (4 preceding siblings ...)
2012-10-31 20:03 ` zsojka at seznam dot cz
@ 2012-11-09 23:43 ` steven at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: steven at gcc dot gnu.org @ 2012-11-09 23:43 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54942
Steven Bosscher <steven at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution| |FIXED
--- Comment #6 from Steven Bosscher <steven at gcc dot gnu.org> 2012-11-09 23:42:48 UTC ---
Fixed along the way, probably by one of Honza's many patches in this area.
^ permalink raw reply [flat|nested] 7+ messages in thread
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2012-10-17 4:46 [Bug tree-optimization/54942] New: [4.8 Regression] ICE: OOM with -O3 -fno-cse-follow-jumps -funroll-loops zsojka at seznam dot cz
2012-10-17 5:00 ` [Bug tree-optimization/54942] " zsojka at seznam dot cz
2012-10-17 5:31 ` izamyatin at gmail dot com
2012-10-17 9:20 ` [Bug rtl-optimization/54942] " rguenth at gcc dot gnu.org
2012-10-23 8:52 ` izamyatin at gmail dot com
2012-10-31 20:03 ` zsojka at seznam dot cz
2012-11-09 23:43 ` steven at gcc dot gnu.org
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