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[X86] avx512fp16intrin.h - allow _mm512_set1_pch to be used in constexpr #162245

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Merged
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Oct 7, 2025
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[X86] avx512fp16intrin.h - allow _mm512_set1_pch to be used in constexpr #162245

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2 changes: 1 addition & 1 deletion clang/lib/Headers/avx512fp16intrin.h
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Original file line number Diff line number Diff line change
Expand Up @@ -112,7 +112,7 @@ static __inline__ __m512h __DEFAULT_FN_ATTRS512_CONSTEXPR _mm512_setr_ph(
e9, e8, e7, e6, e5, e4, e3, e2, e1, e0);
}

static __inline __m512h __DEFAULT_FN_ATTRS512
static __inline __m512h __DEFAULT_FN_ATTRS512_CONSTEXPR
_mm512_set1_pch(_Float16 _Complex __h) {
return (__m512h)_mm512_set1_ps(__builtin_bit_cast(float, __h));
}
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1 change: 1 addition & 0 deletions clang/test/CodeGen/X86/avx512fp16-builtins.c
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Expand Up @@ -117,6 +117,7 @@ __m512h test_mm512_set1_pch(_Float16 _Complex h) {
// CHECK: bitcast <16 x float>{{.*}} to <32 x half>
return _mm512_set1_pch(h);
}
TEST_CONSTEXPR(match_m512h(_mm512_set1_pch(1.0), 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0));

__m512h test_mm512_set_ph(_Float16 __h1, _Float16 __h2, _Float16 __h3, _Float16 __h4,
_Float16 __h5, _Float16 __h6, _Float16 __h7, _Float16 __h8,
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