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[Bug target/65368] [4.8/4.9 Regression]_bzhi_u32 intrinsic generates incorrect code when -O1 or above is specified and index is an immediate
- 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: Wed, 03 Jun 2015 21:35:08 +0000
- Subject: [Bug target/65368] [4.8/4.9 Regression]_bzhi_u32 intrinsic generates incorrect code when -O1 or above is specified and index is an immediate
- Auto-submitted: auto-generated
- References: <bug-65368-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65368
--- Comment #12 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Jun 3 21:34:36 2015
New Revision: 224103
URL: https://gcc.gnu.org/viewcvs?rev=224103&root=gcc&view=rev
Log:
Backported from mainline
2015-03-10 Jakub Jelinek <jakub@redhat.com>
PR target/65368
* config/i386/i386.md (bmi2_bzhi_<mode>3): Removed define_insn,
new define_expand.
(*bmi2_bzhi_<mode>3, *bmi2_bzhi_<mode>3_1): New define_insns.
* gcc.target/i386/bmi2-bzhi-2.c: New test.
Added:
branches/gcc-4_8-branch/gcc/testsuite/gcc.target/i386/bmi2-bzhi-2.c
Modified:
branches/gcc-4_8-branch/gcc/ChangeLog
branches/gcc-4_8-branch/gcc/config/i386/i386.md
branches/gcc-4_8-branch/gcc/testsuite/ChangeLog