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Subject: [Bug target/108881] "__builtin_ia32_cvtne2ps2bf16_v16hi" compiled
 only with option -mavx512bf16 report ICE.
Date: Sun, 19 Mar 2023 05:29:46 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108881

--- Comment #7 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-12 branch has been updated by Jakub Jelinek
<jakub@gcc.gnu.org>:

https://gcc.gnu.org/g:1b67cce6e55f57a996228646c21b78db1950e4b8

commit r12-9276-g1b67cce6e55f57a996228646c21b78db1950e4b8
Author: Jakub Jelinek <jakub@redhat.com>
Date:   Fri Feb 24 10:12:44 2023 +0100

    i386: Fix up builtins used in avx512bf16vlintrin.h [PR108881]

    The builtins used in avx512bf16vlintrin.h implementation need both
    avx512bf16 and avx512vl ISAs, which the header ensures for them, but
    the builtins weren't actually requiring avx512vl, so when used by hand
    with just -mavx512bf16 -mno-avx512vl it resulted in ICEs.

    Fixed by adding OPTION_MASK_ISA_AVX512VL to their BDESC.

    2023-02-24  Jakub Jelinek  <jakub@redhat.com>

            PR target/108881
            * config/i386/i386-builtin.def (__builtin_ia32_cvtne2ps2bf16_v1=
6hi,
            __builtin_ia32_cvtne2ps2bf16_v16hi_mask,
            __builtin_ia32_cvtne2ps2bf16_v16hi_maskz,
            __builtin_ia32_cvtne2ps2bf16_v8hi,
            __builtin_ia32_cvtne2ps2bf16_v8hi_mask,
            __builtin_ia32_cvtne2ps2bf16_v8hi_maskz,
            __builtin_ia32_cvtneps2bf16_v8sf_mask,
            __builtin_ia32_cvtneps2bf16_v8sf_maskz,
            __builtin_ia32_cvtneps2bf16_v4sf_mask,
            __builtin_ia32_cvtneps2bf16_v4sf_maskz,
            __builtin_ia32_dpbf16ps_v8sf, __builtin_ia32_dpbf16ps_v8sf_mask,
            __builtin_ia32_dpbf16ps_v8sf_maskz, __builtin_ia32_dpbf16ps_v4s=
f,
            __builtin_ia32_dpbf16ps_v4sf_mask,
            __builtin_ia32_dpbf16ps_v4sf_maskz): Require also
            OPTION_MASK_ISA_AVX512VL.

            * gcc.target/i386/avx512bf16-pr108881.c: New test.

    (cherry picked from commit 0ccfa3884f638816af0f5a3f0ee2695e0771ef6d)=