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[Headers][X86] Allow _mm512_set1_epi8/16/pd/ps intrinsics to be used in constexpr #152746

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Merged
merged 1 commit into from
Aug 8, 2025
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[Headers][X86] Allow _mm512_set1_epi8/16/pd/ps intrinsics to be used in constexpr #152746

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8 changes: 4 additions & 4 deletions clang/lib/Headers/avx512fintrin.h
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Original file line number Diff line number Diff line change
Expand Up @@ -277,20 +277,20 @@ _mm512_setzero_pd(void) {
return __extension__(__m512d){0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0};
}

static __inline __m512 __DEFAULT_FN_ATTRS512
static __inline __m512 __DEFAULT_FN_ATTRS512_CONSTEXPR
_mm512_set1_ps(float __w)
{
return __extension__ (__m512){ __w, __w, __w, __w, __w, __w, __w, __w,
__w, __w, __w, __w, __w, __w, __w, __w };
}

static __inline __m512d __DEFAULT_FN_ATTRS512
static __inline __m512d __DEFAULT_FN_ATTRS512_CONSTEXPR
_mm512_set1_pd(double __w)
{
return __extension__ (__m512d){ __w, __w, __w, __w, __w, __w, __w, __w };
}

static __inline __m512i __DEFAULT_FN_ATTRS512
static __inline __m512i __DEFAULT_FN_ATTRS512_CONSTEXPR
_mm512_set1_epi8(char __w)
{
return __extension__ (__m512i)(__v64qi){
Expand All @@ -304,7 +304,7 @@ _mm512_set1_epi8(char __w)
__w, __w, __w, __w, __w, __w, __w, __w };
}

static __inline __m512i __DEFAULT_FN_ATTRS512
static __inline __m512i __DEFAULT_FN_ATTRS512_CONSTEXPR
_mm512_set1_epi16(short __w)
{
return __extension__ (__m512i)(__v32hi){
Expand Down
18 changes: 18 additions & 0 deletions clang/test/CodeGen/X86/avx512f-builtins.c
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Original file line number Diff line number Diff line change
Expand Up @@ -439,6 +439,22 @@ __m512d test_mm512_set1_pd(double d)
// CHECK: insertelement <8 x double> {{.*}}, i32 7
return _mm512_set1_pd(d);
}
TEST_CONSTEXPR(match_m512d(_mm512_set1_pd(-100.0), -100.0, -100.0, -100.0, -100.0, -100.0, -100.0, -100.0, -100.0));

__m512 test_mm512_set1_ps(float d)
{
// CHECK-LABEL: test_mm512_set1_ps
// CHECK: insertelement <16 x float> {{.*}}, i32 0
// CHECK: insertelement <16 x float> {{.*}}, i32 1
// CHECK: insertelement <16 x float> {{.*}}, i32 2
// CHECK: insertelement <16 x float> {{.*}}, i32 3
// CHECK: insertelement <16 x float> {{.*}}, i32 4
// CHECK: insertelement <16 x float> {{.*}}, i32 5
// CHECK: insertelement <16 x float> {{.*}}, i32 6
// CHECK: insertelement <16 x float> {{.*}}, i32 15
return _mm512_set1_ps(d);
}
TEST_CONSTEXPR(match_m512(_mm512_set1_ps(-55.0f), -55.0f, -55.0f, -55.0f, -55.0f, -55.0f, -55.0f, -55.0f, -55.0f, -55.0f, -55.0f, -55.0f, -55.0f, -55.0f, -55.0f, -55.0f, -55.0f));

__mmask16 test_mm512_knot(__mmask16 a)
{
Expand Down Expand Up @@ -9046,6 +9062,7 @@ __m512i test_mm512_set1_epi8(char d)
// CHECK: insertelement <64 x i8> {{.*}}, i32 63
return _mm512_set1_epi8(d);
}
TEST_CONSTEXPR(match_v64qi(_mm512_set1_epi8(127), 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127));

__m512i test_mm512_set1_epi16(short d)
{
Expand All @@ -9061,6 +9078,7 @@ __m512i test_mm512_set1_epi16(short d)
// CHECK: insertelement <32 x i16> {{.*}}, i32 31
return _mm512_set1_epi16(d);
}
TEST_CONSTEXPR(match_v32hi(_mm512_set1_epi16(-511), -511, -511, -511, -511, -511, -511, -511, -511, -511, -511, -511, -511, -511, -511, -511, -511, -511, -511, -511, -511, -511, -511, -511, -511, -511, -511, -511, -511, -511, -511, -511, -511));

__m512i test_mm512_set1_epi32(int d)
{
Expand Down
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