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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] Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 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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