From 0905c567f0c7328780c727b470a92cda1ee54697 Mon Sep 17 00:00:00 2001 From: Paul Robinson Date: Tue, 18 Apr 2023 09:26:35 -0700 Subject: [PATCH] [Headers][doc] Add FMA intrinsic descriptions Differential Revision: https://reviews.llvm.org/D148021 --- clang/lib/Headers/fmaintrin.h | 564 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 564 insertions(+) diff --git a/clang/lib/Headers/fmaintrin.h b/clang/lib/Headers/fmaintrin.h index d889b7c..ea832fa 100644 --- a/clang/lib/Headers/fmaintrin.h +++ b/clang/lib/Headers/fmaintrin.h @@ -18,192 +18,756 @@ #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))) +/// Computes a multiply-add of 128-bit vectors of [4 x float]. +/// For each element, computes (__A * __B) + __C . +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFMADD213PS instruction. +/// +/// \param __A +/// A 128-bit vector of [4 x float] containing the multiplicand. +/// \param __B +/// A 128-bit vector of [4 x float] containing the multiplier. +/// \param __C +/// A 128-bit vector of [4 x float] containing the addend. +/// \returns A 128-bit vector of [4 x float] containing the result. static __inline__ __m128 __DEFAULT_FN_ATTRS128 _mm_fmadd_ps(__m128 __A, __m128 __B, __m128 __C) { return (__m128)__builtin_ia32_vfmaddps((__v4sf)__A, (__v4sf)__B, (__v4sf)__C); } +/// Computes a multiply-add of 128-bit vectors of [2 x double]. +/// For each element, computes (__A * __B) + __C . +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFMADD213PD instruction. +/// +/// \param __A +/// A 128-bit vector of [2 x double] containing the multiplicand. +/// \param __B +/// A 128-bit vector of [2 x double] containing the multiplier. +/// \param __C +/// A 128-bit vector of [2 x double] containing the addend. +/// \returns A 128-bit [2 x double] vector containing the result. static __inline__ __m128d __DEFAULT_FN_ATTRS128 _mm_fmadd_pd(__m128d __A, __m128d __B, __m128d __C) { return (__m128d)__builtin_ia32_vfmaddpd((__v2df)__A, (__v2df)__B, (__v2df)__C); } +/// Computes a scalar multiply-add of the single-precision values in the +/// low 32 bits of 128-bit vectors of [4 x float]. +/// \code +/// result[31:0] = (__A[31:0] * __B[31:0]) + __C[31:0] +/// result[127:32] = __A[127:32] +/// \endcode +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFMADD213SS instruction. +/// +/// \param __A +/// A 128-bit vector of [4 x float] containing the multiplicand in the low +/// 32 bits. +/// \param __B +/// A 128-bit vector of [4 x float] containing the multiplier in the low +/// 32 bits. +/// \param __C +/// A 128-bit vector of [4 x float] containing the addend in the low +/// 32 bits. +/// \returns A 128-bit vector of [4 x float] containing the result in the low +/// 32 bits and a copy of \a __A[127:32] in the upper 96 bits. static __inline__ __m128 __DEFAULT_FN_ATTRS128 _mm_fmadd_ss(__m128 __A, __m128 __B, __m128 __C) { return (__m128)__builtin_ia32_vfmaddss3((__v4sf)__A, (__v4sf)__B, (__v4sf)__C); } +/// Computes a scalar multiply-add of the double-precision values in the +/// low 64 bits of 128-bit vectors of [2 x double]. +/// \code +/// result[63:0] = (__A[63:0] * __B[63:0]) + __C[63:0] +/// result[127:64] = __A[127:64] +/// \endcode +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFMADD213SD instruction. +/// +/// \param __A +/// A 128-bit vector of [2 x double] containing the multiplicand in the low +/// 64 bits. +/// \param __B +/// A 128-bit vector of [2 x double] containing the multiplier in the low +/// 64 bits. +/// \param __C +/// A 128-bit vector of [2 x double] containing the addend in the low +/// 64 bits. +/// \returns A 128-bit vector of [2 x double] containing the result in the low +/// 64 bits and a copy of \a __A[127:64] in the upper 64 bits. static __inline__ __m128d __DEFAULT_FN_ATTRS128 _mm_fmadd_sd(__m128d __A, __m128d __B, __m128d __C) { return (__m128d)__builtin_ia32_vfmaddsd3((__v2df)__A, (__v2df)__B, (__v2df)__C); } +/// Computes a multiply-subtract of 128-bit vectors of [4 x float]. +/// For each element, computes (__A * __B) - __C . +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFMSUB213PS instruction. +/// +/// \param __A +/// A 128-bit vector of [4 x float] containing the multiplicand. +/// \param __B +/// A 128-bit vector of [4 x float] containing the multiplier. +/// \param __C +/// A 128-bit vector of [4 x float] containing the subtrahend. +/// \returns A 128-bit vector of [4 x float] containing the result. static __inline__ __m128 __DEFAULT_FN_ATTRS128 _mm_fmsub_ps(__m128 __A, __m128 __B, __m128 __C) { return (__m128)__builtin_ia32_vfmaddps((__v4sf)__A, (__v4sf)__B, -(__v4sf)__C); } +/// Computes a multiply-subtract of 128-bit vectors of [2 x double]. +/// For each element, computes (__A * __B) - __C . +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFMSUB213PD instruction. +/// +/// \param __A +/// A 128-bit vector of [2 x double] containing the multiplicand. +/// \param __B +/// A 128-bit vector of [2 x double] containing the multiplier. +/// \param __C +/// A 128-bit vector of [2 x double] containing the addend. +/// \returns A 128-bit vector of [2 x double] containing the result. static __inline__ __m128d __DEFAULT_FN_ATTRS128 _mm_fmsub_pd(__m128d __A, __m128d __B, __m128d __C) { return (__m128d)__builtin_ia32_vfmaddpd((__v2df)__A, (__v2df)__B, -(__v2df)__C); } +/// Computes a scalar multiply-subtract of the single-precision values in +/// the low 32 bits of 128-bit vectors of [4 x float]. +/// \code +/// result[31:0] = (__A[31:0] * __B[31:0]) - __C[31:0] +/// result[127:32] = __A[127:32] +/// \endcode +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFMSUB213SS instruction. +/// +/// \param __A +/// A 128-bit vector of [4 x float] containing the multiplicand in the low +/// 32 bits. +/// \param __B +/// A 128-bit vector of [4 x float] containing the multiplier in the low +/// 32 bits. +/// \param __C +/// A 128-bit vector of [4 x float] containing the subtrahend in the low +/// 32 bits. +/// \returns A 128-bit vector of [4 x float] containing the result in the low +/// 32 bits, and a copy of \a __A[127:32] in the upper 96 bits. static __inline__ __m128 __DEFAULT_FN_ATTRS128 _mm_fmsub_ss(__m128 __A, __m128 __B, __m128 __C) { return (__m128)__builtin_ia32_vfmaddss3((__v4sf)__A, (__v4sf)__B, -(__v4sf)__C); } +/// Computes a scalar multiply-subtract of the double-precision values in +/// the low 64 bits of 128-bit vectors of [2 x double]. +/// \code +/// result[63:0] = (__A[63:0] * __B[63:0]) - __C[63:0] +/// result[127:64] = __A[127:64] +/// \endcode +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFMSUB213SD instruction. +/// +/// \param __A +/// A 128-bit vector of [2 x double] containing the multiplicand in the low +/// 64 bits. +/// \param __B +/// A 128-bit vector of [2 x double] containing the multiplier in the low +/// 64 bits. +/// \param __C +/// A 128-bit vector of [2 x double] containing the subtrahend in the low +/// 64 bits. +/// \returns A 128-bit vector of [2 x double] containing the result in the low +/// 64 bits, and a copy of \a __A[127:64] in the upper 64 bits. static __inline__ __m128d __DEFAULT_FN_ATTRS128 _mm_fmsub_sd(__m128d __A, __m128d __B, __m128d __C) { return (__m128d)__builtin_ia32_vfmaddsd3((__v2df)__A, (__v2df)__B, -(__v2df)__C); } +/// Computes a negated multiply-add of 128-bit vectors of [4 x float]. +/// For each element, computes -(__A * __B) + __C . +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFNMADD213DPS instruction. +/// +/// \param __A +/// A 128-bit vector of [4 x float] containing the multiplicand. +/// \param __B +/// A 128-bit vector of [4 x float] containing the multiplier. +/// \param __C +/// A 128-bit vector of [4 x float] containing the addend. +/// \returns A 128-bit [4 x float] vector containing the result. static __inline__ __m128 __DEFAULT_FN_ATTRS128 _mm_fnmadd_ps(__m128 __A, __m128 __B, __m128 __C) { return (__m128)__builtin_ia32_vfmaddps(-(__v4sf)__A, (__v4sf)__B, (__v4sf)__C); } +/// Computes a negated multiply-add of 128-bit vectors of [2 x double]. +/// For each element, computes -(__A * __B) + __C . +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFNMADD213PD instruction. +/// +/// \param __A +/// A 128-bit vector of [2 x double] containing the multiplicand. +/// \param __B +/// A 128-bit vector of [2 x double] containing the multiplier. +/// \param __C +/// A 128-bit vector of [2 x double] containing the addend. +/// \returns A 128-bit vector of [2 x double] containing the result. static __inline__ __m128d __DEFAULT_FN_ATTRS128 _mm_fnmadd_pd(__m128d __A, __m128d __B, __m128d __C) { return (__m128d)__builtin_ia32_vfmaddpd(-(__v2df)__A, (__v2df)__B, (__v2df)__C); } +/// Computes a scalar negated multiply-add of the single-precision values in +/// the low 32 bits of 128-bit vectors of [4 x float]. +/// \code +/// result[31:0] = -(__A[31:0] * __B[31:0]) + __C[31:0] +/// result[127:32] = __A[127:32] +/// \endcode +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFNMADD213SS instruction. +/// +/// \param __A +/// A 128-bit vector of [4 x float] containing the multiplicand in the low +/// 32 bits. +/// \param __B +/// A 128-bit vector of [4 x float] containing the multiplier in the low +/// 32 bits. +/// \param __C +/// A 128-bit vector of [4 x float] containing the addend in the low +/// 32 bits. +/// \returns A 128-bit vector of [4 x float] containing the result in the low +/// 32 bits, and a copy of \a __A[127:32] in the upper 96 bits. static __inline__ __m128 __DEFAULT_FN_ATTRS128 _mm_fnmadd_ss(__m128 __A, __m128 __B, __m128 __C) { return (__m128)__builtin_ia32_vfmaddss3((__v4sf)__A, -(__v4sf)__B, (__v4sf)__C); } +/// Computes a scalar negated multiply-add of the double-precision values +/// in the low 64 bits of 128-bit vectors of [2 x double]. +/// \code +/// result[63:0] = -(__A[63:0] * __B[63:0]) + __C[63:0] +/// result[127:64] = __A[127:64] +/// \endcode +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFNMADD213SD instruction. +/// +/// \param __A +/// A 128-bit vector of [2 x double] containing the multiplicand in the low +/// 64 bits. +/// \param __B +/// A 128-bit vector of [2 x double] containing the multiplier in the low +/// 64 bits. +/// \param __C +/// A 128-bit vector of [2 x double] containing the addend in the low +/// 64 bits. +/// \returns A 128-bit vector of [2 x double] containing the result in the low +/// 64 bits, and a copy of \a __A[127:64] in the upper 64 bits. static __inline__ __m128d __DEFAULT_FN_ATTRS128 _mm_fnmadd_sd(__m128d __A, __m128d __B, __m128d __C) { return (__m128d)__builtin_ia32_vfmaddsd3((__v2df)__A, -(__v2df)__B, (__v2df)__C); } +/// Computes a negated multiply-subtract of 128-bit vectors of [4 x float]. +/// For each element, computes -(__A * __B) - __C . +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFNMSUB213PS instruction. +/// +/// \param __A +/// A 128-bit vector of [4 x float] containing the multiplicand. +/// \param __B +/// A 128-bit vector of [4 x float] containing the multiplier. +/// \param __C +/// A 128-bit vector of [4 x float] containing the subtrahend. +/// \returns A 128-bit vector of [4 x float] containing the result. static __inline__ __m128 __DEFAULT_FN_ATTRS128 _mm_fnmsub_ps(__m128 __A, __m128 __B, __m128 __C) { return (__m128)__builtin_ia32_vfmaddps(-(__v4sf)__A, (__v4sf)__B, -(__v4sf)__C); } +/// Computes a negated multiply-subtract of 128-bit vectors of [2 x double]. +/// For each element, computes -(__A * __B) - __C . +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFNMSUB213PD instruction. +/// +/// \param __A +/// A 128-bit vector of [2 x double] containing the multiplicand. +/// \param __B +/// A 128-bit vector of [2 x double] containing the multiplier. +/// \param __C +/// A 128-bit vector of [2 x double] containing the subtrahend. +/// \returns A 128-bit vector of [2 x double] containing the result. static __inline__ __m128d __DEFAULT_FN_ATTRS128 _mm_fnmsub_pd(__m128d __A, __m128d __B, __m128d __C) { return (__m128d)__builtin_ia32_vfmaddpd(-(__v2df)__A, (__v2df)__B, -(__v2df)__C); } +/// Computes a scalar negated multiply-subtract of the single-precision +/// values in the low 32 bits of 128-bit vectors of [4 x float]. +/// \code +/// result[31:0] = -(__A[31:0] * __B[31:0]) - __C[31:0] +/// result[127:32] = __A[127:32] +/// \endcode +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFNMSUB213SS instruction. +/// +/// \param __A +/// A 128-bit vector of [4 x float] containing the multiplicand in the low +/// 32 bits. +/// \param __B +/// A 128-bit vector of [4 x float] containing the multiplier in the low +/// 32 bits. +/// \param __C +/// A 128-bit vector of [4 x float] containing the subtrahend in the low +/// 32 bits. +/// \returns A 128-bit vector of [4 x float] containing the result in the low +/// 32 bits, and a copy of \a __A[127:32] in the upper 96 bits. static __inline__ __m128 __DEFAULT_FN_ATTRS128 _mm_fnmsub_ss(__m128 __A, __m128 __B, __m128 __C) { return (__m128)__builtin_ia32_vfmaddss3((__v4sf)__A, -(__v4sf)__B, -(__v4sf)__C); } +/// Computes a scalar negated multiply-subtract of the double-precision +/// values in the low 64 bits of 128-bit vectors of [2 x double]. +/// \code +/// result[63:0] = -(__A[63:0] * __B[63:0]) - __C[63:0] +/// result[127:64] = __A[127:64] +/// \endcode +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFNMSUB213SD instruction. +/// +/// \param __A +/// A 128-bit vector of [2 x double] containing the multiplicand in the low +/// 64 bits. +/// \param __B +/// A 128-bit vector of [2 x double] containing the multiplier in the low +/// 64 bits. +/// \param __C +/// A 128-bit vector of [2 x double] containing the subtrahend in the low +/// 64 bits. +/// \returns A 128-bit vector of [2 x double] containing the result in the low +/// 64 bits, and a copy of \a __A[127:64] in the upper 64 bits. static __inline__ __m128d __DEFAULT_FN_ATTRS128 _mm_fnmsub_sd(__m128d __A, __m128d __B, __m128d __C) { return (__m128d)__builtin_ia32_vfmaddsd3((__v2df)__A, -(__v2df)__B, -(__v2df)__C); } +/// Computes a multiply with alternating add/subtract of 128-bit vectors of +/// [4 x float]. +/// \code +/// result[31:0] = (__A[31:0] * __B[31:0]) - __C[31:0] +/// result[63:32] = (__A[63:32] * __B[63:32]) + __C[63:32] +/// result[95:64] = (__A[95:64] * __B[95:64]) - __C[95:64] +/// result[127:96] = (__A[127:96] * __B[127:96]) + __C[127:96] +/// \endcode +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFMADDSUB213PS instruction. +/// +/// \param __A +/// A 128-bit vector of [4 x float] containing the multiplicand. +/// \param __B +/// A 128-bit vector of [4 x float] containing the multiplier. +/// \param __C +/// A 128-bit vector of [4 x float] containing the addend/subtrahend. +/// \returns A 128-bit vector of [4 x float] containing the result. static __inline__ __m128 __DEFAULT_FN_ATTRS128 _mm_fmaddsub_ps(__m128 __A, __m128 __B, __m128 __C) { return (__m128)__builtin_ia32_vfmaddsubps((__v4sf)__A, (__v4sf)__B, (__v4sf)__C); } +/// Computes a multiply with alternating add/subtract of 128-bit vectors of +/// [2 x double]. +/// \code +/// result[63:0] = (__A[63:0] * __B[63:0]) - __C[63:0] +/// result[127:64] = (__A[127:64] * __B[127:64]) + __C[127:64] +/// \endcode +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFMADDSUB213PD instruction. +/// +/// \param __A +/// A 128-bit vector of [2 x double] containing the multiplicand. +/// \param __B +/// A 128-bit vector of [2 x double] containing the multiplier. +/// \param __C +/// A 128-bit vector of [2 x double] containing the addend/subtrahend. +/// \returns A 128-bit vector of [2 x double] containing the result. static __inline__ __m128d __DEFAULT_FN_ATTRS128 _mm_fmaddsub_pd(__m128d __A, __m128d __B, __m128d __C) { return (__m128d)__builtin_ia32_vfmaddsubpd((__v2df)__A, (__v2df)__B, (__v2df)__C); } +/// Computes a multiply with alternating add/subtract of 128-bit vectors of +/// [4 x float]. +/// \code +/// result[31:0] = (__A[31:0] * __B[31:0]) + __C[31:0] +/// result[63:32] = (__A[63:32] * __B[63:32]) - __C[63:32] +/// result[95:64] = (__A[95:64] * __B[95:64]) + __C[95:64] +/// result[127:96 = (__A[127:96] * __B[127:96]) - __C[127:96] +/// \endcode +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFMSUBADD213PS instruction. +/// +/// \param __A +/// A 128-bit vector of [4 x float] containing the multiplicand. +/// \param __B +/// A 128-bit vector of [4 x float] containing the multiplier. +/// \param __C +/// A 128-bit vector of [4 x float] containing the addend/subtrahend. +/// \returns A 128-bit vector of [4 x float] containing the result. static __inline__ __m128 __DEFAULT_FN_ATTRS128 _mm_fmsubadd_ps(__m128 __A, __m128 __B, __m128 __C) { return (__m128)__builtin_ia32_vfmaddsubps((__v4sf)__A, (__v4sf)__B, -(__v4sf)__C); } +/// Computes a multiply with alternating add/subtract of 128-bit vectors of +/// [2 x double]. +/// \code +/// result[63:0] = (__A[63:0] * __B[63:0]) + __C[63:0] +/// result[127:64] = (__A[127:64] * __B[127:64]) - __C[127:64] +/// \endcode +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFMADDSUB213PD instruction. +/// +/// \param __A +/// A 128-bit vector of [2 x double] containing the multiplicand. +/// \param __B +/// A 128-bit vector of [2 x double] containing the multiplier. +/// \param __C +/// A 128-bit vector of [2 x double] containing the addend/subtrahend. +/// \returns A 128-bit vector of [2 x double] containing the result. static __inline__ __m128d __DEFAULT_FN_ATTRS128 _mm_fmsubadd_pd(__m128d __A, __m128d __B, __m128d __C) { return (__m128d)__builtin_ia32_vfmaddsubpd((__v2df)__A, (__v2df)__B, -(__v2df)__C); } +/// Computes a multiply-add of 256-bit vectors of [8 x float]. +/// For each element, computes (__A * __B) + __C . +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFMADD213PS instruction. +/// +/// \param __A +/// A 256-bit vector of [8 x float] containing the multiplicand. +/// \param __B +/// A 256-bit vector of [8 x float] containing the multiplier. +/// \param __C +/// A 256-bit vector of [8 x float] containing the addend. +/// \returns A 256-bit vector of [8 x float] containing the result. static __inline__ __m256 __DEFAULT_FN_ATTRS256 _mm256_fmadd_ps(__m256 __A, __m256 __B, __m256 __C) { return (__m256)__builtin_ia32_vfmaddps256((__v8sf)__A, (__v8sf)__B, (__v8sf)__C); } +/// Computes a multiply-add of 256-bit vectors of [4 x double]. +/// For each element, computes (__A * __B) + __C . +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFMADD213PD instruction. +/// +/// \param __A +/// A 256-bit vector of [4 x double] containing the multiplicand. +/// \param __B +/// A 256-bit vector of [4 x double] containing the multiplier. +/// \param __C +/// A 256-bit vector of [4 x double] containing the addend. +/// \returns A 256-bit vector of [4 x double] containing the result. static __inline__ __m256d __DEFAULT_FN_ATTRS256 _mm256_fmadd_pd(__m256d __A, __m256d __B, __m256d __C) { return (__m256d)__builtin_ia32_vfmaddpd256((__v4df)__A, (__v4df)__B, (__v4df)__C); } +/// Computes a multiply-subtract of 256-bit vectors of [8 x float]. +/// For each element, computes (__A * __B) - __C . +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFMSUB213PS instruction. +/// +/// \param __A +/// A 256-bit vector of [8 x float] containing the multiplicand. +/// \param __B +/// A 256-bit vector of [8 x float] containing the multiplier. +/// \param __C +/// A 256-bit vector of [8 x float] containing the subtrahend. +/// \returns A 256-bit vector of [8 x float] containing the result. static __inline__ __m256 __DEFAULT_FN_ATTRS256 _mm256_fmsub_ps(__m256 __A, __m256 __B, __m256 __C) { return (__m256)__builtin_ia32_vfmaddps256((__v8sf)__A, (__v8sf)__B, -(__v8sf)__C); } +/// Computes a multiply-subtract of 256-bit vectors of [4 x double]. +/// For each element, computes (__A * __B) - __C . +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFMSUB213PD instruction. +/// +/// \param __A +/// A 256-bit vector of [4 x double] containing the multiplicand. +/// \param __B +/// A 256-bit vector of [4 x double] containing the multiplier. +/// \param __C +/// A 256-bit vector of [4 x double] containing the subtrahend. +/// \returns A 256-bit vector of [4 x double] containing the result. static __inline__ __m256d __DEFAULT_FN_ATTRS256 _mm256_fmsub_pd(__m256d __A, __m256d __B, __m256d __C) { return (__m256d)__builtin_ia32_vfmaddpd256((__v4df)__A, (__v4df)__B, -(__v4df)__C); } +/// Computes a negated multiply-add of 256-bit vectors of [8 x float]. +/// For each element, computes -(__A * __B) + __C . +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFNMADD213PS instruction. +/// +/// \param __A +/// A 256-bit vector of [8 x float] containing the multiplicand. +/// \param __B +/// A 256-bit vector of [8 x float] containing the multiplier. +/// \param __C +/// A 256-bit vector of [8 x float] containing the addend. +/// \returns A 256-bit vector of [8 x float] containing the result. static __inline__ __m256 __DEFAULT_FN_ATTRS256 _mm256_fnmadd_ps(__m256 __A, __m256 __B, __m256 __C) { return (__m256)__builtin_ia32_vfmaddps256(-(__v8sf)__A, (__v8sf)__B, (__v8sf)__C); } +/// Computes a negated multiply-add of 256-bit vectors of [4 x double]. +/// For each element, computes -(__A * __B) + __C . +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFNMADD213PD instruction. +/// +/// \param __A +/// A 256-bit vector of [4 x double] containing the multiplicand. +/// \param __B +/// A 256-bit vector of [4 x double] containing the multiplier. +/// \param __C +/// A 256-bit vector of [4 x double] containing the addend. +/// \returns A 256-bit vector of [4 x double] containing the result. static __inline__ __m256d __DEFAULT_FN_ATTRS256 _mm256_fnmadd_pd(__m256d __A, __m256d __B, __m256d __C) { return (__m256d)__builtin_ia32_vfmaddpd256(-(__v4df)__A, (__v4df)__B, (__v4df)__C); } +/// Computes a negated multiply-subtract of 256-bit vectors of [8 x float]. +/// For each element, computes -(__A * __B) - __C . +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFNMSUB213PS instruction. +/// +/// \param __A +/// A 256-bit vector of [8 x float] containing the multiplicand. +/// \param __B +/// A 256-bit vector of [8 x float] containing the multiplier. +/// \param __C +/// A 256-bit vector of [8 x float] containing the subtrahend. +/// \returns A 256-bit vector of [8 x float] containing the result. static __inline__ __m256 __DEFAULT_FN_ATTRS256 _mm256_fnmsub_ps(__m256 __A, __m256 __B, __m256 __C) { return (__m256)__builtin_ia32_vfmaddps256(-(__v8sf)__A, (__v8sf)__B, -(__v8sf)__C); } +/// Computes a negated multiply-subtract of 256-bit vectors of [4 x double]. +/// For each element, computes -(__A * __B) - __C . +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFNMSUB213PD instruction. +/// +/// \param __A +/// A 256-bit vector of [4 x double] containing the multiplicand. +/// \param __B +/// A 256-bit vector of [4 x double] containing the multiplier. +/// \param __C +/// A 256-bit vector of [4 x double] containing the subtrahend. +/// \returns A 256-bit vector of [4 x double] containing the result. static __inline__ __m256d __DEFAULT_FN_ATTRS256 _mm256_fnmsub_pd(__m256d __A, __m256d __B, __m256d __C) { return (__m256d)__builtin_ia32_vfmaddpd256(-(__v4df)__A, (__v4df)__B, -(__v4df)__C); } +/// Computes a multiply with alternating add/subtract of 256-bit vectors of +/// [8 x float]. +/// \code +/// result[31:0] = (__A[31:0] * __B[31:0]) - __C[31:0] +/// result[63:32] = (__A[63:32] * __B[63:32]) + __C[63:32] +/// result[95:64] = (__A[95:64] * __B[95:64]) - __C[95:64] +/// result[127:96] = (__A[127:96] * __B[127:96]) + __C[127:96] +/// result[159:128] = (__A[159:128] * __B[159:128]) - __C[159:128] +/// result[191:160] = (__A[191:160] * __B[191:160]) + __C[191:160] +/// result[223:192] = (__A[223:192] * __B[223:192]) - __C[223:192] +/// result[255:224] = (__A[255:224] * __B[255:224]) + __C[255:224] +/// \endcode +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFMADDSUB213PS instruction. +/// +/// \param __A +/// A 256-bit vector of [8 x float] containing the multiplicand. +/// \param __B +/// A 256-bit vector of [8 x float] containing the multiplier. +/// \param __C +/// A 256-bit vector of [8 x float] containing the addend/subtrahend. +/// \returns A 256-bit vector of [8 x float] containing the result. static __inline__ __m256 __DEFAULT_FN_ATTRS256 _mm256_fmaddsub_ps(__m256 __A, __m256 __B, __m256 __C) { return (__m256)__builtin_ia32_vfmaddsubps256((__v8sf)__A, (__v8sf)__B, (__v8sf)__C); } +/// Computes a multiply with alternating add/subtract of 256-bit vectors of +/// [4 x double]. +/// \code +/// result[63:0] = (__A[63:0] * __B[63:0]) - __C[63:0] +/// result[127:64] = (__A[127:64] * __B[127:64]) + __C[127:64] +/// result[191:128] = (__A[191:128] * __B[191:128]) - __C[191:128] +/// result[255:192] = (__A[255:192] * __B[255:192]) + __C[255:192] +/// \endcode +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFMADDSUB213PD instruction. +/// +/// \param __A +/// A 256-bit vector of [4 x double] containing the multiplicand. +/// \param __B +/// A 256-bit vector of [4 x double] containing the multiplier. +/// \param __C +/// A 256-bit vector of [4 x double] containing the addend/subtrahend. +/// \returns A 256-bit vector of [4 x double] containing the result. static __inline__ __m256d __DEFAULT_FN_ATTRS256 _mm256_fmaddsub_pd(__m256d __A, __m256d __B, __m256d __C) { return (__m256d)__builtin_ia32_vfmaddsubpd256((__v4df)__A, (__v4df)__B, (__v4df)__C); } +/// Computes a vector multiply with alternating add/subtract of 256-bit +/// vectors of [8 x float]. +/// \code +/// result[31:0] = (__A[31:0] * __B[31:0]) + __C[31:0] +/// result[63:32] = (__A[63:32] * __B[63:32]) - __C[63:32] +/// result[95:64] = (__A[95:64] * __B[95:64]) + __C[95:64] +/// result[127:96] = (__A[127:96] * __B[127:96]) - __C[127:96] +/// result[159:128] = (__A[159:128] * __B[159:128]) + __C[159:128] +/// result[191:160] = (__A[191:160] * __B[191:160]) - __C[191:160] +/// result[223:192] = (__A[223:192] * __B[223:192]) + __C[223:192] +/// result[255:224] = (__A[255:224] * __B[255:224]) - __C[255:224] +/// \endcode +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFMSUBADD213PS instruction. +/// +/// \param __A +/// A 256-bit vector of [8 x float] containing the multiplicand. +/// \param __B +/// A 256-bit vector of [8 x float] containing the multiplier. +/// \param __C +/// A 256-bit vector of [8 x float] containing the addend/subtrahend. +/// \returns A 256-bit vector of [8 x float] containing the result. static __inline__ __m256 __DEFAULT_FN_ATTRS256 _mm256_fmsubadd_ps(__m256 __A, __m256 __B, __m256 __C) { return (__m256)__builtin_ia32_vfmaddsubps256((__v8sf)__A, (__v8sf)__B, -(__v8sf)__C); } +/// Computes a vector multiply with alternating add/subtract of 256-bit +/// vectors of [4 x double]. +/// \code +/// result[63:0] = (__A[63:0] * __B[63:0]) + __C[63:0] +/// result[127:64] = (__A[127:64] * __B[127:64]) - __C[127:64] +/// result[191:128] = (__A[191:128] * __B[191:128]) + __C[191:128] +/// result[255:192] = (__A[255:192] * __B[255:192]) - __C[255:192] +/// \endcode +/// +/// \headerfile +/// +/// This intrinsic corresponds to the \c VFMSUBADD213PD instruction. +/// +/// \param __A +/// A 256-bit vector of [4 x double] containing the multiplicand. +/// \param __B +/// A 256-bit vector of [4 x double] containing the multiplier. +/// \param __C +/// A 256-bit vector of [4 x double] containing the addend/subtrahend. +/// \returns A 256-bit vector of [4 x double] containing the result. static __inline__ __m256d __DEFAULT_FN_ATTRS256 _mm256_fmsubadd_pd(__m256d __A, __m256d __B, __m256d __C) { -- 2.7.4