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[Bug target/78227] ICE: unrecognizable insn: in extract_insn, at recog.c:2311 with -mavx512bw and vector comare
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 07 Nov 2016 17:33:58 +0000
- Subject: [Bug target/78227] ICE: unrecognizable insn: in extract_insn, at recog.c:2311 with -mavx512bw and vector comare
- Auto-submitted: auto-generated
- References: <bug-78227-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78227
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Mon Nov 7 17:33:27 2016
New Revision: 241916
URL: https://gcc.gnu.org/viewcvs?rev=241916&root=gcc&view=rev
Log:
PR target/78227
* config/i386/i386.c (ix86_expand_sse_cmp): Force dest into
cmp_mode argument even for -O0 if cmp_mode != mode and maskcmp.
* gcc.target/i386/pr78227-1.c: New test.
* gcc.target/i386/pr78227-2.c: New test.
Added:
trunk/gcc/testsuite/gcc.target/i386/pr78227-1.c
trunk/gcc/testsuite/gcc.target/i386/pr78227-2.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/i386/i386.c
trunk/gcc/testsuite/ChangeLog