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* [Bug target/115452] New: ICE when dump stv2 for gcc.target/i386/pr70322-2.c with -march=cascadelake
@ 2024-06-12 2:54 liuhongt at gcc dot gnu.org
2024-06-12 8:11 ` [Bug target/115452] " ubizjak at gmail dot com
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: liuhongt at gcc dot gnu.org @ 2024-06-12 2:54 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115452
Bug ID: 115452
Summary: ICE when dump stv2 for gcc.target/i386/pr70322-2.c
with -march=cascadelake
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: liuhongt at gcc dot gnu.org
Target Milestone: ---
gcc -m32 -march=cascadelake ./gcc/testsuite/gcc.target/i386/pr70322-2.c -mstv
-mno-bmi -S -Os -fdump-rtl-stv2-details
./gcc/testsuite/gcc.target/i386/pr70322-2.c: In function ‘foo’:
./gcc/testsuite/gcc.target/i386/pr70322-2.c:12:1: internal compiler error: RTL
check: expected code 'reg', have 'subreg' in rhs_regno, at rtl.h:1934
12 | }
| ^
0x88ef75 rtl_check_failed_code1(rtx_def const*, rtx_code, char const*, int,
char const*)
./gcc/rtl.cc:770
0x96be78 rhs_regno(rtx_def const*)
./gcc/rtl.h:1934
0x96cd8d rhs_regno(rtx_def const*)
./genrtl.h:38
0x96cd8d convert_op
./gcc/config/i386/i386-features.cc:1056
0x1af7711 convert_insn
./gcc/config/i386/i386-features.cc:1468
0x1af9808 convert
./gcc/config/i386/i386-features.cc:1987
0x1af9808 convert_scalars_to_vector
./gcc/config/i386/i386-features.cc:2536
0x1af9808 execute
./gcc/config/i386/i386-features.cc:2750
------------cut from i386-features.cc:1056---------------
if (dump_file)
fprintf (dump_file, " Preloading operand for insn %d into r%d\n",
INSN_UID (insn), REGNO (tmp));
--------------cut end-------------------------------
Looks like tmp is SUBREG.
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug target/115452] ICE when dump stv2 for gcc.target/i386/pr70322-2.c with -march=cascadelake
2024-06-12 2:54 [Bug target/115452] New: ICE when dump stv2 for gcc.target/i386/pr70322-2.c with -march=cascadelake liuhongt at gcc dot gnu.org
@ 2024-06-12 8:11 ` ubizjak at gmail dot com
2024-06-13 4:55 ` cvs-commit at gcc dot gnu.org
2024-06-13 4:55 ` liuhongt at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: ubizjak at gmail dot com @ 2024-06-12 8:11 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115452
--- Comment #1 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Hongtao Liu from comment #0)
> ------------cut from i386-features.cc:1056---------------
>
> if (dump_file)
> fprintf (dump_file, " Preloading operand for insn %d into r%d\n",
> INSN_UID (insn), REGNO (tmp));
> --------------cut end-------------------------------
>
> Looks like tmp is SUBREG.
reg_or_subregno should take care for this.
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug target/115452] ICE when dump stv2 for gcc.target/i386/pr70322-2.c with -march=cascadelake
2024-06-12 2:54 [Bug target/115452] New: ICE when dump stv2 for gcc.target/i386/pr70322-2.c with -march=cascadelake liuhongt at gcc dot gnu.org
2024-06-12 8:11 ` [Bug target/115452] " ubizjak at gmail dot com
@ 2024-06-13 4:55 ` cvs-commit at gcc dot gnu.org
2024-06-13 4:55 ` liuhongt at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2024-06-13 4:55 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115452
--- Comment #2 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by hongtao Liu <liuhongt@gcc.gnu.org>:
https://gcc.gnu.org/g:f8bf80a4e1682b2238baad8c44939682f96b1fe0
commit r15-1234-gf8bf80a4e1682b2238baad8c44939682f96b1fe0
Author: liuhongt <hongtao.liu@intel.com>
Date: Thu Jun 13 09:53:58 2024 +0800
Fix ICE due to REGNO of a SUBREG.
Use reg_or_subregno instead.
gcc/ChangeLog:
PR target/115452
* config/i386/i386-features.cc (scalar_chain::convert_op): Use
reg_or_subregno instead of REGNO to avoid ICE.
gcc/testsuite/ChangeLog:
* gcc.target/i386/pr115452.c: New test.
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug target/115452] ICE when dump stv2 for gcc.target/i386/pr70322-2.c with -march=cascadelake
2024-06-12 2:54 [Bug target/115452] New: ICE when dump stv2 for gcc.target/i386/pr70322-2.c with -march=cascadelake liuhongt at gcc dot gnu.org
2024-06-12 8:11 ` [Bug target/115452] " ubizjak at gmail dot com
2024-06-13 4:55 ` cvs-commit at gcc dot gnu.org
@ 2024-06-13 4:55 ` liuhongt at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: liuhongt at gcc dot gnu.org @ 2024-06-13 4:55 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115452
Hongtao Liu <liuhongt at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|UNCONFIRMED |RESOLVED
--- Comment #3 from Hongtao Liu <liuhongt at gcc dot gnu.org> ---
Fixed in GCC15.
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2024-06-13 4:55 UTC | newest]
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2024-06-12 2:54 [Bug target/115452] New: ICE when dump stv2 for gcc.target/i386/pr70322-2.c with -march=cascadelake liuhongt at gcc dot gnu.org
2024-06-12 8:11 ` [Bug target/115452] " ubizjak at gmail dot com
2024-06-13 4:55 ` cvs-commit at gcc dot gnu.org
2024-06-13 4:55 ` liuhongt at gcc dot gnu.org
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