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[Bug target/67849] AVX512 Hitting upper-bank register on extract insn split
- From: "kyukhin at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 12 Oct 2015 11:04:28 +0000
- Subject: [Bug target/67849] AVX512 Hitting upper-bank register on extract insn split
- Auto-submitted: auto-generated
- References: <bug-67849-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67849
--- Comment #3 from Kirill Yukhin <kyukhin at gcc dot gnu.org> ---
Author: kyukhin
Date: Mon Oct 12 11:03:56 2015
New Revision: 228709
URL: https://gcc.gnu.org/viewcvs?rev=228709&root=gcc&view=rev
Log:
PR target/67849
gcc/
* config/i386/sse.md (define_split vec_select/V8FI): Restrict
split for upper-bank registers when target does not support
AVX512VL.
(define_insn "vec_extract_lo_<mode><mask_name>"): Restrict
split when target does not support AVX512VL.
gcc/testsuite/
* gcc.target/i386/pr67480.c: New test.
Added:
branches/gcc-5-branch/gcc/testsuite/gcc.target/i386/pr67480.c
Modified:
branches/gcc-5-branch/gcc/ChangeLog
branches/gcc-5-branch/gcc/config/i386/sse.md
branches/gcc-5-branch/gcc/testsuite/ChangeLog