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[clang] Make vector cast intrinsics constexpr #156381

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[clang] Make vector cast intrinsics constexpr #156381

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9833270
[clang] Make vector cast intrinsics constexpr
vedantjk Sep 2, 2025
15966a7
Merge branch 'llvm:main' into main
vedantjk Sep 2, 2025
78a4749
Merge branch 'main' into main
vedantjk Sep 2, 2025
a509d1d
Merge branch 'main' into main
vedantjk Sep 3, 2025
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20 changes: 10 additions & 10 deletions clang/lib/Headers/avx512fintrin.h
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Original file line number Diff line number Diff line change
Expand Up @@ -408,19 +408,19 @@ _mm512_castps256_ps512(__m256 __a)
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
}

static __inline __m128d __DEFAULT_FN_ATTRS512
static __inline __m128d __DEFAULT_FN_ATTRS512_CONSTEXPR
_mm512_castpd512_pd128(__m512d __a)
{
return __builtin_shufflevector(__a, __a, 0, 1);
}

static __inline __m256d __DEFAULT_FN_ATTRS512
static __inline __m256d __DEFAULT_FN_ATTRS512_CONSTEXPR
_mm512_castpd512_pd256 (__m512d __A)
{
return __builtin_shufflevector(__A, __A, 0, 1, 2, 3);
}

static __inline __m128 __DEFAULT_FN_ATTRS512
static __inline __m128 __DEFAULT_FN_ATTRS512_CONSTEXPR
_mm512_castps512_ps128(__m512 __a)
{
return __builtin_shufflevector(__a, __a, 0, 1, 2, 3);
Expand All @@ -431,13 +431,13 @@ _mm512_castps512_ps256(__m512 __A) {
return __builtin_shufflevector(__A, __A, 0, 1, 2, 3, 4, 5, 6, 7);
}

static __inline __m512 __DEFAULT_FN_ATTRS512
static __inline __m512 __DEFAULT_FN_ATTRS512_CONSTEXPR
_mm512_castpd_ps (__m512d __A)
{
return (__m512) (__A);
}

static __inline __m512i __DEFAULT_FN_ATTRS512
static __inline __m512i __DEFAULT_FN_ATTRS512_CONSTEXPR
_mm512_castpd_si512 (__m512d __A)
{
return (__m512i) (__A);
Expand All @@ -452,13 +452,13 @@ _mm512_castpd128_pd512 (__m128d __A)
__B, 0, 1, 2, 3, 4, 5, 6, 7);
}

static __inline __m512d __DEFAULT_FN_ATTRS512
static __inline __m512d __DEFAULT_FN_ATTRS512_CONSTEXPR
_mm512_castps_pd (__m512 __A)
{
return (__m512d) (__A);
}

static __inline __m512i __DEFAULT_FN_ATTRS512
static __inline __m512i __DEFAULT_FN_ATTRS512_CONSTEXPR
_mm512_castps_si512 (__m512 __A)
{
return (__m512i) (__A);
Expand Down Expand Up @@ -488,19 +488,19 @@ _mm512_castsi256_si512 (__m256i __A)
return __builtin_shufflevector( __A, __builtin_nondeterministic_value(__A), 0, 1, 2, 3, 4, 5, 6, 7);
}

static __inline __m512 __DEFAULT_FN_ATTRS512
static __inline __m512 __DEFAULT_FN_ATTRS512_CONSTEXPR
_mm512_castsi512_ps (__m512i __A)
{
return (__m512) (__A);
}

static __inline __m512d __DEFAULT_FN_ATTRS512
static __inline __m512d __DEFAULT_FN_ATTRS512_CONSTEXPR
_mm512_castsi512_pd (__m512i __A)
{
return (__m512d) (__A);
}

static __inline __m128i __DEFAULT_FN_ATTRS512
static __inline __m128i __DEFAULT_FN_ATTRS512_CONSTEXPR
_mm512_castsi512_si128 (__m512i __A)
{
return (__m128i)__builtin_shufflevector(__A, __A , 0, 1);
Expand Down
42 changes: 21 additions & 21 deletions clang/lib/Headers/avx512fp16intrin.h
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Original file line number Diff line number Diff line change
Expand Up @@ -113,93 +113,93 @@ _mm512_set1_pch(_Float16 _Complex __h) {
return (__m512h)_mm512_set1_ps(__builtin_bit_cast(float, __h));
}

static __inline__ __m128 __DEFAULT_FN_ATTRS128 _mm_castph_ps(__m128h __a) {
static __inline__ __m128 __DEFAULT_FN_ATTRS128_CONSTEXPR _mm_castph_ps(__m128h __a) {
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@ckoparkar ckoparkar Sep 2, 2025

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Could you please run clang-format on this patch? Some lines here are longer than 80 chars so the code formatter check will likely fail.

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@vedantjk vedantjk Sep 3, 2025

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Will do and raise a new revision.

return (__m128)__a;
}

static __inline__ __m256 __DEFAULT_FN_ATTRS256 _mm256_castph_ps(__m256h __a) {
static __inline__ __m256 __DEFAULT_FN_ATTRS256_CONSTEXPR _mm256_castph_ps(__m256h __a) {
return (__m256)__a;
}

static __inline__ __m512 __DEFAULT_FN_ATTRS512 _mm512_castph_ps(__m512h __a) {
static __inline__ __m512 __DEFAULT_FN_ATTRS512_CONSTEXPR _mm512_castph_ps(__m512h __a) {
return (__m512)__a;
}

static __inline__ __m128d __DEFAULT_FN_ATTRS128 _mm_castph_pd(__m128h __a) {
static __inline__ __m128d __DEFAULT_FN_ATTRS128_CONSTEXPR _mm_castph_pd(__m128h __a) {
return (__m128d)__a;
}

static __inline__ __m256d __DEFAULT_FN_ATTRS256 _mm256_castph_pd(__m256h __a) {
static __inline__ __m256d __DEFAULT_FN_ATTRS256_CONSTEXPR _mm256_castph_pd(__m256h __a) {
return (__m256d)__a;
}

static __inline__ __m512d __DEFAULT_FN_ATTRS512 _mm512_castph_pd(__m512h __a) {
static __inline__ __m512d __DEFAULT_FN_ATTRS512_CONSTEXPR _mm512_castph_pd(__m512h __a) {
return (__m512d)__a;
}

static __inline__ __m128i __DEFAULT_FN_ATTRS128 _mm_castph_si128(__m128h __a) {
static __inline__ __m128i __DEFAULT_FN_ATTRS128_CONSTEXPR _mm_castph_si128(__m128h __a) {
return (__m128i)__a;
}

static __inline__ __m256i __DEFAULT_FN_ATTRS256
static __inline__ __m256i __DEFAULT_FN_ATTRS256_CONSTEXPR
_mm256_castph_si256(__m256h __a) {
return (__m256i)__a;
}

static __inline__ __m512i __DEFAULT_FN_ATTRS512
static __inline__ __m512i __DEFAULT_FN_ATTRS512_CONSTEXPR
_mm512_castph_si512(__m512h __a) {
return (__m512i)__a;
}

static __inline__ __m128h __DEFAULT_FN_ATTRS128 _mm_castps_ph(__m128 __a) {
static __inline__ __m128h __DEFAULT_FN_ATTRS128_CONSTEXPR _mm_castps_ph(__m128 __a) {
return (__m128h)__a;
}

static __inline__ __m256h __DEFAULT_FN_ATTRS256 _mm256_castps_ph(__m256 __a) {
static __inline__ __m256h __DEFAULT_FN_ATTRS256_CONSTEXPR _mm256_castps_ph(__m256 __a) {
return (__m256h)__a;
}

static __inline__ __m512h __DEFAULT_FN_ATTRS512 _mm512_castps_ph(__m512 __a) {
static __inline__ __m512h __DEFAULT_FN_ATTRS512_CONSTEXPR _mm512_castps_ph(__m512 __a) {
return (__m512h)__a;
}

static __inline__ __m128h __DEFAULT_FN_ATTRS128 _mm_castpd_ph(__m128d __a) {
static __inline__ __m128h __DEFAULT_FN_ATTRS128_CONSTEXPR _mm_castpd_ph(__m128d __a) {
return (__m128h)__a;
}

static __inline__ __m256h __DEFAULT_FN_ATTRS256 _mm256_castpd_ph(__m256d __a) {
static __inline__ __m256h __DEFAULT_FN_ATTRS256_CONSTEXPR _mm256_castpd_ph(__m256d __a) {
return (__m256h)__a;
}

static __inline__ __m512h __DEFAULT_FN_ATTRS512 _mm512_castpd_ph(__m512d __a) {
static __inline__ __m512h __DEFAULT_FN_ATTRS512_CONSTEXPR _mm512_castpd_ph(__m512d __a) {
return (__m512h)__a;
}

static __inline__ __m128h __DEFAULT_FN_ATTRS128 _mm_castsi128_ph(__m128i __a) {
static __inline__ __m128h __DEFAULT_FN_ATTRS128_CONSTEXPR _mm_castsi128_ph(__m128i __a) {
return (__m128h)__a;
}

static __inline__ __m256h __DEFAULT_FN_ATTRS256
static __inline__ __m256h __DEFAULT_FN_ATTRS256_CONSTEXPR
_mm256_castsi256_ph(__m256i __a) {
return (__m256h)__a;
}

static __inline__ __m512h __DEFAULT_FN_ATTRS512
static __inline__ __m512h __DEFAULT_FN_ATTRS512_CONSTEXPR
_mm512_castsi512_ph(__m512i __a) {
return (__m512h)__a;
}

static __inline__ __m128h __DEFAULT_FN_ATTRS256
static __inline__ __m128h __DEFAULT_FN_ATTRS256_CONSTEXPR
_mm256_castph256_ph128(__m256h __a) {
return __builtin_shufflevector(__a, __a, 0, 1, 2, 3, 4, 5, 6, 7);
}

static __inline__ __m128h __DEFAULT_FN_ATTRS512
static __inline__ __m128h __DEFAULT_FN_ATTRS512_CONSTEXPR
_mm512_castph512_ph128(__m512h __a) {
return __builtin_shufflevector(__a, __a, 0, 1, 2, 3, 4, 5, 6, 7);
}

static __inline__ __m256h __DEFAULT_FN_ATTRS512
static __inline__ __m256h __DEFAULT_FN_ATTRS512_CONSTEXPR
_mm512_castph512_ph256(__m512h __a) {
return __builtin_shufflevector(__a, __a, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
12, 13, 14, 15);
Expand Down
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