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[Bug target/77476] [7 Regression] [AVX-512] illegal kmovb instruction on KNL
- 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, 05 Sep 2016 19:45:54 +0000
- Subject: [Bug target/77476] [7 Regression] [AVX-512] illegal kmovb instruction on KNL
- Auto-submitted: auto-generated
- References: <bug-77476-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77476
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Mon Sep 5 19:45:21 2016
New Revision: 240000
URL: https://gcc.gnu.org/viewcvs?rev=240000&root=gcc&view=rev
Log:
PR target/77476
* config/i386/i386.md (isa): Add x64_avx512bw.
(*zero_extendsidi2): For alternative 11 use x64_avx512bw isa.
(kmov_isa): New mode attr.
(zero_extend<mode>di2): Use <kmov_isa> isa for the last alternative.
(*zero_extend<mode>si2): Likewise.
(*zero_extendqihi2): Use avx512dq isa for the last alternative.
* gcc.target/i386/avx512f-pr77476.c: New test.
* gcc.target/i386/avx512bw-pr77476.c: New test.
* gcc.target/i386/avx512dq-pr77476.c: New test.
Added:
trunk/gcc/testsuite/gcc.target/i386/avx512bw-pr77476.c
trunk/gcc/testsuite/gcc.target/i386/avx512dq-pr77476.c
trunk/gcc/testsuite/gcc.target/i386/avx512f-pr77476.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/i386/i386.md
trunk/gcc/testsuite/ChangeLog