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Subject: [Bug target/105000] __attribute__((target("general-regs-only")))
 doesn't disable AVX/SSE ISAs in ix86_isa_flags2
Date: Tue, 22 Mar 2022 16:31:50 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105000

--- Comment #7 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-11 branch has been updated by H.J. Lu <hjl@gcc.gnu.org>:

https://gcc.gnu.org/g:f45603f39ba167dd0ea1b002c96ddccbfe2b4b2f

commit r11-9686-gf45603f39ba167dd0ea1b002c96ddccbfe2b4b2f
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Mon Mar 21 11:45:59 2022 -0700

    x86: Disable SSE in ISA2 for -mgeneral-regs-only

    Replace OPTION_MASK_ISA2_AVX512F_UNSET with OPTION_MASK_ISA2_SSE_UNSET
    in OPTION_MASK_ISA2_GENERAL_REGS_ONLY_UNSET to disable SSE, AVX and
    AVX512 ISAs.

    gcc/

            PR target/105000
            * common/config/i386/i386-common.c
            (OPTION_MASK_ISA2_GENERAL_REGS_ONLY_UNSET): Replace
            OPTION_MASK_ISA2_AVX512F_UNSET with OPTION_MASK_ISA2_SSE_UNSET.

    gcc/testsuite/

            PR target/105000
            * gcc.target/i386/pr105000-1.c: New test.
            * gcc.target/i386/pr105000-2.c: Likewise.
            * gcc.target/i386/pr105000-3.c: Likewise.

    (cherry picked from commit e8b6afa98f0a390c955a089a3d61fdd24f4e1d3a)=