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[X86] Clear EVEX512 feature for 128-bit and 256-bit FMA intrinsics #156472

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Merged
merged 1 commit into from
Sep 3, 2025
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[X86] Clear EVEX512 feature for 128-bit and 256-bit FMA intrinsics #156472

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8 changes: 6 additions & 2 deletions clang/lib/Headers/fmaintrin.h
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Original file line number Diff line number Diff line change
Expand Up @@ -15,8 +15,12 @@
#define __FMAINTRIN_H

/* Define the default attributes for the functions in this file. */
#define __DEFAULT_FN_ATTRS128 __attribute__((__always_inline__, __nodebug__, __target__("fma"), __min_vector_width__(128)))
#define __DEFAULT_FN_ATTRS256 __attribute__((__always_inline__, __nodebug__, __target__("fma"), __min_vector_width__(256)))
#define __DEFAULT_FN_ATTRS128 \
__attribute__((__always_inline__, __nodebug__, __target__("fma,no-evex512"), \
__min_vector_width__(128)))
#define __DEFAULT_FN_ATTRS256 \
__attribute__((__always_inline__, __nodebug__, __target__("fma,no-evex512"), \
__min_vector_width__(256)))

#if defined(__cplusplus) && (__cplusplus >= 201103L)
#define __DEFAULT_FN_ATTRS128_CONSTEXPR __DEFAULT_FN_ATTRS128 constexpr
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