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[Headers][X86] Update MMX arithmetic intrinsics to be used in constexpr #152296

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Aug 7, 2025
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[Headers][X86] Update MMX arithmetic intrinsics to be used in constexpr #152296

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aa5d02e
[Headers][X86] Update MMX arithmetic intrinsics to be used in constexpr
RKSimon Aug 6, 2025
dac4999
missing trailing newline
RKSimon Aug 6, 2025
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10 changes: 6 additions & 4 deletions clang/lib/Headers/emmintrin.h
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Original file line number Diff line number Diff line change
Expand Up @@ -2127,8 +2127,9 @@ _mm_add_epi32(__m128i __a, __m128i __b) {
/// \param __b
/// A 64-bit integer.
/// \returns A 64-bit integer containing the sum of both parameters.
static __inline__ __m64 __DEFAULT_FN_ATTRS _mm_add_si64(__m64 __a, __m64 __b) {
return (__m64)(((unsigned long long)__a) + ((unsigned long long)__b));
static __inline__ __m64 __DEFAULT_FN_ATTRS_CONSTEXPR _mm_add_si64(__m64 __a,
__m64 __b) {
return (__m64)(((__v1du)__a)[0] + ((__v1du)__b)[0]);
}

/// Adds the corresponding elements of two 128-bit vectors of [2 x i64],
Expand Down Expand Up @@ -2557,8 +2558,9 @@ _mm_sub_epi32(__m128i __a, __m128i __b) {
/// A 64-bit integer vector containing the subtrahend.
/// \returns A 64-bit integer vector containing the difference of the values in
/// the operands.
static __inline__ __m64 __DEFAULT_FN_ATTRS _mm_sub_si64(__m64 __a, __m64 __b) {
return (__m64)((unsigned long long)__a - (unsigned long long)__b);
static __inline__ __m64 __DEFAULT_FN_ATTRS_CONSTEXPR _mm_sub_si64(__m64 __a,
__m64 __b) {
return (__m64)(((__v1du)__a)[0] - ((__v1du)__b)[0]);
}

/// Subtracts the corresponding elements of two [2 x i64] vectors.
Expand Down
46 changes: 23 additions & 23 deletions clang/lib/Headers/mmintrin.h
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Original file line number Diff line number Diff line change
Expand Up @@ -85,7 +85,7 @@ _mm_empty(void) {
/// A 32-bit integer value.
/// \returns A 64-bit integer vector. The lower 32 bits contain the value of the
/// parameter. The upper 32 bits are set to 0.
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2_CONSTEXPR
_mm_cvtsi32_si64(int __i)
{
return __extension__ (__m64)(__v2si){__i, 0};
Expand All @@ -102,7 +102,7 @@ _mm_cvtsi32_si64(int __i)
/// A 64-bit integer vector.
/// \returns A 32-bit signed integer value containing the lower 32 bits of the
/// parameter.
static __inline__ int __DEFAULT_FN_ATTRS_SSE2
static __inline__ int __DEFAULT_FN_ATTRS_SSE2_CONSTEXPR
_mm_cvtsi64_si32(__m64 __m)
{
return ((__v2si)__m)[0];
Expand All @@ -118,10 +118,10 @@ _mm_cvtsi64_si32(__m64 __m)
/// A 64-bit signed integer.
/// \returns A 64-bit integer vector containing the same bitwise pattern as the
/// parameter.
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2_CONSTEXPR
_mm_cvtsi64_m64(long long __i)
{
return (__m64)__i;
return __extension__ (__m64)(__v1di){__i};
}

/// Casts a 64-bit integer vector into a 64-bit signed integer value.
Expand All @@ -134,10 +134,10 @@ _mm_cvtsi64_m64(long long __i)
/// A 64-bit integer vector.
/// \returns A 64-bit signed integer containing the same bitwise pattern as the
/// parameter.
static __inline__ long long __DEFAULT_FN_ATTRS_SSE2
static __inline__ long long __DEFAULT_FN_ATTRS_SSE2_CONSTEXPR
_mm_cvtm64_si64(__m64 __m)
{
return (long long)__m;
return ((__v1di)__m)[0];
}

/// Converts, with saturation, 16-bit signed integers from both 64-bit integer
Expand Down Expand Up @@ -379,7 +379,7 @@ _mm_unpacklo_pi32(__m64 __m1, __m64 __m2)
/// A 64-bit integer vector of [8 x i8].
/// \returns A 64-bit integer vector of [8 x i8] containing the sums of both
/// parameters.
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2_CONSTEXPR
_mm_add_pi8(__m64 __m1, __m64 __m2)
{
return (__m64)(((__v8qu)__m1) + ((__v8qu)__m2));
Expand All @@ -400,7 +400,7 @@ _mm_add_pi8(__m64 __m1, __m64 __m2)
/// A 64-bit integer vector of [4 x i16].
/// \returns A 64-bit integer vector of [4 x i16] containing the sums of both
/// parameters.
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2_CONSTEXPR
_mm_add_pi16(__m64 __m1, __m64 __m2)
{
return (__m64)(((__v4hu)__m1) + ((__v4hu)__m2));
Expand All @@ -421,7 +421,7 @@ _mm_add_pi16(__m64 __m1, __m64 __m2)
/// A 64-bit integer vector of [2 x i32].
/// \returns A 64-bit integer vector of [2 x i32] containing the sums of both
/// parameters.
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2_CONSTEXPR
_mm_add_pi32(__m64 __m1, __m64 __m2)
{
return (__m64)(((__v2su)__m1) + ((__v2su)__m2));
Expand Down Expand Up @@ -536,7 +536,7 @@ _mm_adds_pu16(__m64 __m1, __m64 __m2)
/// A 64-bit integer vector of [8 x i8] containing the subtrahends.
/// \returns A 64-bit integer vector of [8 x i8] containing the differences of
/// both parameters.
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2_CONSTEXPR
_mm_sub_pi8(__m64 __m1, __m64 __m2)
{
return (__m64)(((__v8qu)__m1) - ((__v8qu)__m2));
Expand All @@ -557,7 +557,7 @@ _mm_sub_pi8(__m64 __m1, __m64 __m2)
/// A 64-bit integer vector of [4 x i16] containing the subtrahends.
/// \returns A 64-bit integer vector of [4 x i16] containing the differences of
/// both parameters.
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2_CONSTEXPR
_mm_sub_pi16(__m64 __m1, __m64 __m2)
{
return (__m64)(((__v4hu)__m1) - ((__v4hu)__m2));
Expand All @@ -578,7 +578,7 @@ _mm_sub_pi16(__m64 __m1, __m64 __m2)
/// A 64-bit integer vector of [2 x i32] containing the subtrahends.
/// \returns A 64-bit integer vector of [2 x i32] containing the differences of
/// both parameters.
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2_CONSTEXPR
_mm_sub_pi32(__m64 __m1, __m64 __m2)
{
return (__m64)(((__v2su)__m1) - ((__v2su)__m2));
Expand Down Expand Up @@ -745,7 +745,7 @@ _mm_mulhi_pi16(__m64 __m1, __m64 __m2)
/// A 64-bit integer vector of [4 x i16].
/// \returns A 64-bit integer vector of [4 x i16] containing the lower 16 bits
/// of the products of both parameters.
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2_CONSTEXPR
_mm_mullo_pi16(__m64 __m1, __m64 __m2)
{
return (__m64)(((__v4hu)__m1) * ((__v4hu)__m2));
Expand Down Expand Up @@ -1134,7 +1134,7 @@ _mm_srli_si64(__m64 __m, int __count)
/// A 64-bit integer vector.
/// \returns A 64-bit integer vector containing the bitwise AND of both
/// parameters.
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2_CONSTEXPR
_mm_and_si64(__m64 __m1, __m64 __m2)
{
return (__m64)(((__v1du)__m1) & ((__v1du)__m2));
Expand All @@ -1155,7 +1155,7 @@ _mm_and_si64(__m64 __m1, __m64 __m2)
/// A 64-bit integer vector.
/// \returns A 64-bit integer vector containing the bitwise AND of the second
/// parameter and the one's complement of the first parameter.
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2_CONSTEXPR
_mm_andnot_si64(__m64 __m1, __m64 __m2)
{
return (__m64)(~((__v1du)__m1) & ((__v1du)__m2));
Expand All @@ -1173,7 +1173,7 @@ _mm_andnot_si64(__m64 __m1, __m64 __m2)
/// A 64-bit integer vector.
/// \returns A 64-bit integer vector containing the bitwise OR of both
/// parameters.
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2_CONSTEXPR
_mm_or_si64(__m64 __m1, __m64 __m2)
{
return (__m64)(((__v1du)__m1) | ((__v1du)__m2));
Expand All @@ -1191,7 +1191,7 @@ _mm_or_si64(__m64 __m1, __m64 __m2)
/// A 64-bit integer vector.
/// \returns A 64-bit integer vector containing the bitwise exclusive OR of both
/// parameters.
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2_CONSTEXPR
_mm_xor_si64(__m64 __m1, __m64 __m2)
{
return (__m64)(((__v1du)__m1) ^ ((__v1du)__m2));
Expand All @@ -1213,7 +1213,7 @@ _mm_xor_si64(__m64 __m1, __m64 __m2)
/// A 64-bit integer vector of [8 x i8].
/// \returns A 64-bit integer vector of [8 x i8] containing the comparison
/// results.
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2_CONSTEXPR
_mm_cmpeq_pi8(__m64 __m1, __m64 __m2)
{
return (__m64)(((__v8qi)__m1) == ((__v8qi)__m2));
Expand All @@ -1235,7 +1235,7 @@ _mm_cmpeq_pi8(__m64 __m1, __m64 __m2)
/// A 64-bit integer vector of [4 x i16].
/// \returns A 64-bit integer vector of [4 x i16] containing the comparison
/// results.
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2_CONSTEXPR
_mm_cmpeq_pi16(__m64 __m1, __m64 __m2)
{
return (__m64)(((__v4hi)__m1) == ((__v4hi)__m2));
Expand All @@ -1257,7 +1257,7 @@ _mm_cmpeq_pi16(__m64 __m1, __m64 __m2)
/// A 64-bit integer vector of [2 x i32].
/// \returns A 64-bit integer vector of [2 x i32] containing the comparison
/// results.
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2_CONSTEXPR
_mm_cmpeq_pi32(__m64 __m1, __m64 __m2)
{
return (__m64)(((__v2si)__m1) == ((__v2si)__m2));
Expand All @@ -1279,7 +1279,7 @@ _mm_cmpeq_pi32(__m64 __m1, __m64 __m2)
/// A 64-bit integer vector of [8 x i8].
/// \returns A 64-bit integer vector of [8 x i8] containing the comparison
/// results.
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2_CONSTEXPR
_mm_cmpgt_pi8(__m64 __m1, __m64 __m2)
{
/* This function always performs a signed comparison, but __v8qi is a char
Expand All @@ -1303,7 +1303,7 @@ _mm_cmpgt_pi8(__m64 __m1, __m64 __m2)
/// A 64-bit integer vector of [4 x i16].
/// \returns A 64-bit integer vector of [4 x i16] containing the comparison
/// results.
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2_CONSTEXPR
_mm_cmpgt_pi16(__m64 __m1, __m64 __m2)
{
return (__m64)((__v4hi)__m1 > (__v4hi)__m2);
Expand All @@ -1325,7 +1325,7 @@ _mm_cmpgt_pi16(__m64 __m1, __m64 __m2)
/// A 64-bit integer vector of [2 x i32].
/// \returns A 64-bit integer vector of [2 x i32] containing the comparison
/// results.
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2
static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2_CONSTEXPR
_mm_cmpgt_pi32(__m64 __m1, __m64 __m2)
{
return (__m64)((__v2si)__m1 > (__v2si)__m2);
Expand Down
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