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* [Bug rtl-optimization/114828] New: ICE on valid code at -O1 with "-ftree-pre -fselective-scheduling -fsel-sched-pipelining -fschedule-insns" on x86_64-linux-gnu: Segmentation fault
@ 2024-04-23 18:04 zhendong.su at inf dot ethz.ch
2024-04-23 18:57 ` [Bug rtl-optimization/114828] [14 Regression] " hjl.tools at gmail dot com
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: zhendong.su at inf dot ethz.ch @ 2024-04-23 18:04 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114828
Bug ID: 114828
Summary: ICE on valid code at -O1 with "-ftree-pre
-fselective-scheduling -fsel-sched-pipelining
-fschedule-insns" on x86_64-linux-gnu: Segmentation
fault
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: zhendong.su at inf dot ethz.ch
Target Milestone: ---
This appears to be a recent regression and does not reproduce with 13.2 and
earlier.
Compiler Explorer: https://godbolt.org/z/9WdTv4qEe
[576] % gcctk -v
Using built-in specs.
COLLECT_GCC=gcctk
COLLECT_LTO_WRAPPER=/local/suz-local/software/local/gcc-trunk/libexec/gcc/x86_64-pc-linux-gnu/14.0.1/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ../gcc-trunk/configure --disable-bootstrap
--enable-checking=yes --prefix=/local/suz-local/software/local/gcc-trunk
--enable-sanitizers --enable-languages=c,c++ --disable-werror --enable-multilib
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 14.0.1 20240423 (experimental) (GCC)
[577] %
[577] % gcctk -c -O1 -ftree-pre -fselective-scheduling -fsel-sched-pipelining
-fschedule-insns small.c
during RTL pass: sched1
small.c: In function ‘f’:
small.c:14:1: internal compiler error: Segmentation fault
14 | }
| ^
0x116dc33 crash_signal
../../gcc-trunk/gcc/toplev.cc:319
0x7f3e0a2c608f ???
/build/glibc-e2p3jK/glibc-2.31/signal/../sysdeps/unix/sysv/linux/x86_64/sigaction.c:0
0x110b3d4 init_expr
../../gcc-trunk/gcc/sel-sched-ir.cc:1642
0x110b3d4 copy_expr_onside(_expr*, _expr*)
../../gcc-trunk/gcc/sel-sched-ir.cc:1685
0x111b549 move_op_orig_expr_found
../../gcc-trunk/gcc/sel-sched.cc:5997
0x111f2e0 code_motion_path_driver
../../gcc-trunk/gcc/sel-sched.cc:6551
0x11200fe code_motion_process_successors
../../gcc-trunk/gcc/sel-sched.cc:6350
0x11200fe code_motion_path_driver
../../gcc-trunk/gcc/sel-sched.cc:6616
0x11200fe code_motion_process_successors
../../gcc-trunk/gcc/sel-sched.cc:6350
0x11200fe code_motion_path_driver
../../gcc-trunk/gcc/sel-sched.cc:6616
0x11238e8 move_op
../../gcc-trunk/gcc/sel-sched.cc:6710
0x11238e8 move_exprs_to_boundary
../../gcc-trunk/gcc/sel-sched.cc:5231
0x11238e8 schedule_expr_on_boundary
../../gcc-trunk/gcc/sel-sched.cc:5444
0x1125588 fill_insns
../../gcc-trunk/gcc/sel-sched.cc:5586
0x1125588 schedule_on_fences
../../gcc-trunk/gcc/sel-sched.cc:7361
0x1125588 sel_sched_region_2
../../gcc-trunk/gcc/sel-sched.cc:7499
0x1126c78 sel_sched_region_1
../../gcc-trunk/gcc/sel-sched.cc:7541
0x1128a19 sel_sched_region(int)
../../gcc-trunk/gcc/sel-sched.cc:7642
0x1128a19 sel_sched_region(int)
../../gcc-trunk/gcc/sel-sched.cc:7627
0x1129a21 run_selective_scheduling()
../../gcc-trunk/gcc/sel-sched.cc:7728
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
[578] %
[578] % cat small.c
char a, b;
int c, d, e;
void f() {
char g = -1;
L:
if (e) {
e = b;
b = c % (d || ~g) && a % c;
c = c || a ^ d;
a = e || a + d + 1;
f();
goto L;
}
}
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug rtl-optimization/114828] [14 Regression] ICE on valid code at -O1 with "-ftree-pre -fselective-scheduling -fsel-sched-pipelining -fschedule-insns" on x86_64-linux-gnu: Segmentation fault
2024-04-23 18:04 [Bug rtl-optimization/114828] New: ICE on valid code at -O1 with "-ftree-pre -fselective-scheduling -fsel-sched-pipelining -fschedule-insns" on x86_64-linux-gnu: Segmentation fault zhendong.su at inf dot ethz.ch
@ 2024-04-23 18:57 ` hjl.tools at gmail dot com
2024-04-23 18:59 ` pinskia at gcc dot gnu.org
2024-04-25 8:40 ` jakub at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: hjl.tools at gmail dot com @ 2024-04-23 18:57 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114828
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Ever confirmed|0 |1
Version|unknown |14.0
Status|UNCONFIRMED |NEW
Summary|ICE on valid code at -O1 |[14 Regression] ICE on
|with "-ftree-pre |valid code at -O1 with
|-fselective-scheduling |"-ftree-pre
|-fsel-sched-pipelining |-fselective-scheduling
|-fschedule-insns" on |-fsel-sched-pipelining
|x86_64-linux-gnu: |-fschedule-insns" on
|Segmentation fault |x86_64-linux-gnu:
| |Segmentation fault
CC| |rguenther at suse dot de
Last reconfirmed| |2024-04-23
--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
This is caused by r14-4089.
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug rtl-optimization/114828] [14 Regression] ICE on valid code at -O1 with "-ftree-pre -fselective-scheduling -fsel-sched-pipelining -fschedule-insns" on x86_64-linux-gnu: Segmentation fault
2024-04-23 18:04 [Bug rtl-optimization/114828] New: ICE on valid code at -O1 with "-ftree-pre -fselective-scheduling -fsel-sched-pipelining -fschedule-insns" on x86_64-linux-gnu: Segmentation fault zhendong.su at inf dot ethz.ch
2024-04-23 18:57 ` [Bug rtl-optimization/114828] [14 Regression] " hjl.tools at gmail dot com
@ 2024-04-23 18:59 ` pinskia at gcc dot gnu.org
2024-04-25 8:40 ` jakub at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: pinskia at gcc dot gnu.org @ 2024-04-23 18:59 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114828
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |14.0
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to H.J. Lu from comment #1)
> This is caused by r14-4089.
Nope, just exposed ...
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug rtl-optimization/114828] [14 Regression] ICE on valid code at -O1 with "-ftree-pre -fselective-scheduling -fsel-sched-pipelining -fschedule-insns" on x86_64-linux-gnu: Segmentation fault
2024-04-23 18:04 [Bug rtl-optimization/114828] New: ICE on valid code at -O1 with "-ftree-pre -fselective-scheduling -fsel-sched-pipelining -fschedule-insns" on x86_64-linux-gnu: Segmentation fault zhendong.su at inf dot ethz.ch
2024-04-23 18:57 ` [Bug rtl-optimization/114828] [14 Regression] " hjl.tools at gmail dot com
2024-04-23 18:59 ` pinskia at gcc dot gnu.org
@ 2024-04-25 8:40 ` jakub at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: jakub at gcc dot gnu.org @ 2024-04-25 8:40 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114828
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jakub at gcc dot gnu.org
Priority|P3 |P2
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2024-04-25 8:40 UTC | newest]
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2024-04-23 18:04 [Bug rtl-optimization/114828] New: ICE on valid code at -O1 with "-ftree-pre -fselective-scheduling -fsel-sched-pipelining -fschedule-insns" on x86_64-linux-gnu: Segmentation fault zhendong.su at inf dot ethz.ch
2024-04-23 18:57 ` [Bug rtl-optimization/114828] [14 Regression] " hjl.tools at gmail dot com
2024-04-23 18:59 ` pinskia at gcc dot gnu.org
2024-04-25 8:40 ` jakub at gcc dot gnu.org
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