[Bug target/88541] VPCLMULQDQ 256-bit inline function unavailable with optimization but without enabled AVX512VL support

jakub at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Wed Dec 19 08:31:00 GMT 2018


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88541

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Dec 19 08:31:16 2018
New Revision: 267254

URL: https://gcc.gnu.org/viewcvs?rev=267254&root=gcc&view=rev
Log:
        PR target/88541
        * config/i386/vpclmulqdqintrin.h (_mm256_clmulepi64_epi128): Enable
        for -mavx -mvpclmulqdq rather than just for -mavx512vl -mvpclmulqdq.

        * gcc.target/i386/avx-vpclmulqdq-1.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/avx-vpclmulqdq-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/vpclmulqdqintrin.h
    trunk/gcc/testsuite/ChangeLog


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