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* [Bug optimization/12628] New: [3.4 regression] Segfault with -fno-expensive-optimizations -fno-rerun-loop-opt
@ 2003-10-15 22:19 falk at debian dot org
2003-10-18 18:44 ` [Bug optimization/12628] " pinskia at gcc dot gnu dot org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: falk at debian dot org @ 2003-10-15 22:19 UTC (permalink / raw)
To: gcc-bugs
PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12628
Summary: [3.4 regression] Segfault with -fno-expensive-
optimizations -fno-rerun-loop-opt
Product: gcc
Version: 3.4
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: critical
Priority: P2
Component: optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: falk at debian dot org
CC: gcc-bugs at gcc dot gnu dot org
GCC build triplet: alphaev68-unknown-linux-gnu
GCC host triplet: alphaev68-unknown-linux-gnu
GCC target triplet: alphaev68-unknown-linux-gnu
GNU C version 3.4 20031012 (experimental) (alphaev68-unknown-linux-gnu)
falk@juist:/tmp% cat min2.c
int outbuf[100];
int outcnt;
int bi_buf;
void send_bits(void)
{
bi_buf = 0;
outbuf[outcnt++] = 8;
outbuf[outcnt++] = 8;
if (outcnt)
bi_buf = 1;
}
falk@juist:/tmp% gcc -O2 -c -fno-expensive-optimizations -fno-rerun-loop-opt
min2.c
min2.c: In function `send_bits':
min2.c:11: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
Also happens on tree-ssa.
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug optimization/12628] [3.4 regression] Segfault with -fno-expensive-optimizations -fno-rerun-loop-opt
2003-10-15 22:19 [Bug optimization/12628] New: [3.4 regression] Segfault with -fno-expensive-optimizations -fno-rerun-loop-opt falk at debian dot org
@ 2003-10-18 18:44 ` pinskia at gcc dot gnu dot org
2003-12-01 2:55 ` pinskia at gcc dot gnu dot org
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2003-10-18 18:44 UTC (permalink / raw)
To: gcc-bugs
PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12628
pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed| |1
Last reconfirmed|0000-00-00 00:00:00 |2003-10-18 18:28:53
date| |
Target Milestone|--- |3.4
------- Additional Comments From pinskia at gcc dot gnu dot org 2003-10-18 18:28 -------
I can confirm this on the mainline (20031017) on powerpc-apple-darwin:
Program received signal EXC_BAD_ACCESS, Could not access memory.
0x000af810 in init_alias_analysis () at /Volumes/UFS_Partition/pinskia/src/fsf/gcc-clean/
src/gcc/alias.c:2842
2842 else if (REG_N_SETS (regno) == 1
(gdb) bt
#0 0x000af810 in init_alias_analysis () at /Volumes/UFS_Partition/pinskia/src/fsf/gcc-
clean/src/gcc/alias.c:2842
#1 0x000eb840 in bypass_jumps (file=0x0) at /Volumes/UFS_Partition/pinskia/src/fsf/
gcc-clean/src/gcc/gcse.c:7970
#2 0x0009ee78 in rest_of_compilation (decl=0x0) at /Volumes/UFS_Partition/pinskia/
src/fsf/gcc-clean/src/gcc/toplev.c:2560
#3 0x001403b4 in tree_rest_of_compilation (fndecl=0x0, nested_p=false) at /Volumes/
UFS_Partition/pinskia/src/fsf/gcc-clean/src/gcc/tree-optimize.c:168
#4 0x00018a98 in c_expand_body_1 (fndecl=0x4045f818, nested_p=0) at /Volumes/
UFS_Partition/pinskia/src/fsf/gcc-clean/src/gcc/c-decl.c:6157
#5 0x0013a22c in cgraph_expand_function (node=0x40bd3ee0) at /Volumes/
UFS_Partition/pinskia/src/fsf/gcc-clean/src/gcc/cgraphunit.c:495
#6 0x0013a990 in cgraph_optimize () at /Volumes/UFS_Partition/pinskia/src/fsf/gcc-
clean/src/gcc/cgraphunit.c:1273
#7 0x00049678 in c_objc_common_finish_file () at /Volumes/UFS_Partition/pinskia/src/
fsf/gcc-clean/src/gcc/c-objc-common.c:244
#8 0x0009d2b0 in toplev_main (argc=1078325600, argv=0x3e73e8) at /Volumes/
UFS_Partition/pinskia/src/fsf/gcc-clean/src/gcc/toplev.c:1821
#9 0x0000271c in _start (argc=17, argv=0xbffffb7c, envp=0xbffffbc4) at /SourceCache/
Csu/Csu-46/crt.c:267
#10 0x00002590 in start ()
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug optimization/12628] [3.4 regression] Segfault with -fno-expensive-optimizations -fno-rerun-loop-opt
2003-10-15 22:19 [Bug optimization/12628] New: [3.4 regression] Segfault with -fno-expensive-optimizations -fno-rerun-loop-opt falk at debian dot org
2003-10-18 18:44 ` [Bug optimization/12628] " pinskia at gcc dot gnu dot org
@ 2003-12-01 2:55 ` pinskia at gcc dot gnu dot org
2003-12-01 2:55 ` pinskia at gcc dot gnu dot org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2003-12-01 2:55 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2003-12-01 02:55 -------
*** Bug 13229 has been marked as a duplicate of this bug. ***
--
What |Removed |Added
----------------------------------------------------------------------------
CC| |coyote at coyotegulch dot
| |com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12628
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug optimization/12628] [3.4 regression] Segfault with -fno-expensive-optimizations -fno-rerun-loop-opt
2003-10-15 22:19 [Bug optimization/12628] New: [3.4 regression] Segfault with -fno-expensive-optimizations -fno-rerun-loop-opt falk at debian dot org
2003-10-18 18:44 ` [Bug optimization/12628] " pinskia at gcc dot gnu dot org
2003-12-01 2:55 ` pinskia at gcc dot gnu dot org
@ 2003-12-01 2:55 ` pinskia at gcc dot gnu dot org
2003-12-01 21:17 ` cvs-commit at gcc dot gnu dot org
2003-12-01 23:07 ` pinskia at gcc dot gnu dot org
4 siblings, 0 replies; 6+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2003-12-01 2:55 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2003-12-01 02:55 -------
Patch here: <http://gcc.gnu.org/ml/gcc-patches/2003-12/msg00001.html>.
--
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |patch
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12628
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug optimization/12628] [3.4 regression] Segfault with -fno-expensive-optimizations -fno-rerun-loop-opt
2003-10-15 22:19 [Bug optimization/12628] New: [3.4 regression] Segfault with -fno-expensive-optimizations -fno-rerun-loop-opt falk at debian dot org
` (2 preceding siblings ...)
2003-12-01 2:55 ` pinskia at gcc dot gnu dot org
@ 2003-12-01 21:17 ` cvs-commit at gcc dot gnu dot org
2003-12-01 23:07 ` pinskia at gcc dot gnu dot org
4 siblings, 0 replies; 6+ messages in thread
From: cvs-commit at gcc dot gnu dot org @ 2003-12-01 21:17 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From cvs-commit at gcc dot gnu dot org 2003-12-01 21:17 -------
Subject: Bug 12628
CVSROOT: /cvs/gcc
Module name: gcc
Changes by: sayle@gcc.gnu.org 2003-12-01 21:16:59
Modified files:
gcc : ChangeLog toplev.c regclass.c
gcc/testsuite : ChangeLog
Added files:
gcc/testsuite/gcc.dg: 20031201-1.c
Log message:
PR optimization/12628
* toplev.c (rest_of_handle_jump_bypass): Call reg_scan.
* regclass.c (reg_scan): Include allocate_reg_info time in
TV_REG_SCAN. Minor clean-ups.
(reg_scan_update): Minor clean-ups.
* gcc.dg/20031201-1.c: New test case.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.1882&r2=2.1883
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/toplev.c.diff?cvsroot=gcc&r1=1.847&r2=1.848
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/regclass.c.diff?cvsroot=gcc&r1=1.179&r2=1.180
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.3215&r2=1.3216
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/20031201-1.c.diff?cvsroot=gcc&r1=NONE&r2=1.1
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12628
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug optimization/12628] [3.4 regression] Segfault with -fno-expensive-optimizations -fno-rerun-loop-opt
2003-10-15 22:19 [Bug optimization/12628] New: [3.4 regression] Segfault with -fno-expensive-optimizations -fno-rerun-loop-opt falk at debian dot org
` (3 preceding siblings ...)
2003-12-01 21:17 ` cvs-commit at gcc dot gnu dot org
@ 2003-12-01 23:07 ` pinskia at gcc dot gnu dot org
4 siblings, 0 replies; 6+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2003-12-01 23:07 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2003-12-01 23:07 -------
Fixed for 3.4.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12628
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2003-12-01 23:07 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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2003-10-15 22:19 [Bug optimization/12628] New: [3.4 regression] Segfault with -fno-expensive-optimizations -fno-rerun-loop-opt falk at debian dot org
2003-10-18 18:44 ` [Bug optimization/12628] " pinskia at gcc dot gnu dot org
2003-12-01 2:55 ` pinskia at gcc dot gnu dot org
2003-12-01 2:55 ` pinskia at gcc dot gnu dot org
2003-12-01 21:17 ` cvs-commit at gcc dot gnu dot org
2003-12-01 23:07 ` pinskia at gcc dot gnu dot org
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