avx512bf16intrin.h revision 355940
1/*===------------ avx512bf16intrin.h - AVX512_BF16 intrinsics --------------=== 2 * 3 * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 * See https://llvm.org/LICENSE.txt for license information. 5 * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 * 7 *===-----------------------------------------------------------------------=== 8 */ 9#ifndef __IMMINTRIN_H 10#error "Never use <avx512bf16intrin.h> directly; include <immintrin.h> instead." 11#endif 12 13#ifndef __AVX512BF16INTRIN_H 14#define __AVX512BF16INTRIN_H 15 16typedef short __m512bh __attribute__((__vector_size__(64), __aligned__(64))); 17typedef short __m256bh __attribute__((__vector_size__(32), __aligned__(32))); 18typedef unsigned short __bfloat16; 19 20#define __DEFAULT_FN_ATTRS512 \ 21 __attribute__((__always_inline__, __nodebug__, __target__("avx512bf16"), \ 22 __min_vector_width__(512))) 23#define __DEFAULT_FN_ATTRS \ 24 __attribute__((__always_inline__, __nodebug__, __target__("avx512bf16"))) 25 26/// Convert One BF16 Data to One Single Float Data. 27/// 28/// \headerfile <x86intrin.h> 29/// 30/// This intrinsic does not correspond to a specific instruction. 31/// 32/// \param __A 33/// A bfloat data. 34/// \returns A float data whose sign field and exponent field keep unchanged, 35/// and fraction field is extended to 23 bits. 36static __inline__ float __DEFAULT_FN_ATTRS _mm_cvtsbh_ss(__bfloat16 __A) { 37 return __builtin_ia32_cvtsbf162ss_32(__A); 38} 39 40/// Convert Two Packed Single Data to One Packed BF16 Data. 41/// 42/// \headerfile <x86intrin.h> 43/// 44/// This intrinsic corresponds to the <c> VCVTNE2PS2BF16 </c> instructions. 45/// 46/// \param __A 47/// A 512-bit vector of [16 x float]. 48/// \param __B 49/// A 512-bit vector of [16 x float]. 50/// \returns A 512-bit vector of [32 x bfloat] whose lower 256 bits come from 51/// conversion of __B, and higher 256 bits come from conversion of __A. 52static __inline__ __m512bh __DEFAULT_FN_ATTRS512 53_mm512_cvtne2ps_pbh(__m512 __A, __m512 __B) { 54 return (__m512bh)__builtin_ia32_cvtne2ps2bf16_512((__v16sf) __A, 55 (__v16sf) __B); 56} 57 58/// Convert Two Packed Single Data to One Packed BF16 Data. 59/// 60/// \headerfile <x86intrin.h> 61/// 62/// This intrinsic corresponds to the <c> VCVTNE2PS2BF16 </c> instructions. 63/// 64/// \param __A 65/// A 512-bit vector of [16 x float]. 66/// \param __B 67/// A 512-bit vector of [16 x float]. 68/// \param __W 69/// A 512-bit vector of [32 x bfloat]. 70/// \param __U 71/// A 32-bit mask value specifying what is chosen for each element. 72/// A 1 means conversion of __A or __B. A 0 means element from __W. 73/// \returns A 512-bit vector of [32 x bfloat] whose lower 256 bits come from 74/// conversion of __B, and higher 256 bits come from conversion of __A. 75static __inline__ __m512bh __DEFAULT_FN_ATTRS512 76_mm512_mask_cvtne2ps_pbh(__m512bh __W, __mmask32 __U, __m512 __A, __m512 __B) { 77 return (__m512bh)__builtin_ia32_selectw_512((__mmask32)__U, 78 (__v32hi)_mm512_cvtne2ps_pbh(__A, __B), 79 (__v32hi)__W); 80} 81 82/// Convert Two Packed Single Data to One Packed BF16 Data. 83/// 84/// \headerfile <x86intrin.h> 85/// 86/// This intrinsic corresponds to the <c> VCVTNE2PS2BF16 </c> instructions. 87/// 88/// \param __A 89/// A 512-bit vector of [16 x float]. 90/// \param __B 91/// A 512-bit vector of [16 x float]. 92/// \param __U 93/// A 32-bit mask value specifying what is chosen for each element. 94/// A 1 means conversion of __A or __B. A 0 means element is zero. 95/// \returns A 512-bit vector of [32 x bfloat] whose lower 256 bits come from 96/// conversion of __B, and higher 256 bits come from conversion of __A. 97static __inline__ __m512bh __DEFAULT_FN_ATTRS512 98_mm512_maskz_cvtne2ps_pbh(__mmask32 __U, __m512 __A, __m512 __B) { 99 return (__m512bh)__builtin_ia32_selectw_512((__mmask32)__U, 100 (__v32hi)_mm512_cvtne2ps_pbh(__A, __B), 101 (__v32hi)_mm512_setzero_si512()); 102} 103 104/// Convert Packed Single Data to Packed BF16 Data. 105/// 106/// \headerfile <x86intrin.h> 107/// 108/// This intrinsic corresponds to the <c> VCVTNEPS2BF16 </c> instructions. 109/// 110/// \param __A 111/// A 512-bit vector of [16 x float]. 112/// \returns A 256-bit vector of [16 x bfloat] come from conversion of __A. 113static __inline__ __m256bh __DEFAULT_FN_ATTRS512 114_mm512_cvtneps_pbh(__m512 __A) { 115 return (__m256bh)__builtin_ia32_cvtneps2bf16_512_mask((__v16sf)__A, 116 (__v16hi)_mm256_undefined_si256(), 117 (__mmask16)-1); 118} 119 120/// Convert Packed Single Data to Packed BF16 Data. 121/// 122/// \headerfile <x86intrin.h> 123/// 124/// This intrinsic corresponds to the <c> VCVTNEPS2BF16 </c> instructions. 125/// 126/// \param __A 127/// A 512-bit vector of [16 x float]. 128/// \param __W 129/// A 256-bit vector of [16 x bfloat]. 130/// \param __U 131/// A 16-bit mask value specifying what is chosen for each element. 132/// A 1 means conversion of __A. A 0 means element from __W. 133/// \returns A 256-bit vector of [16 x bfloat] come from conversion of __A. 134static __inline__ __m256bh __DEFAULT_FN_ATTRS512 135_mm512_mask_cvtneps_pbh(__m256bh __W, __mmask16 __U, __m512 __A) { 136 return (__m256bh)__builtin_ia32_cvtneps2bf16_512_mask((__v16sf)__A, 137 (__v16hi)__W, 138 (__mmask16)__U); 139} 140 141/// Convert Packed Single Data to Packed BF16 Data. 142/// 143/// \headerfile <x86intrin.h> 144/// 145/// This intrinsic corresponds to the <c> VCVTNEPS2BF16 </c> instructions. 146/// 147/// \param __A 148/// A 512-bit vector of [16 x float]. 149/// \param __U 150/// A 16-bit mask value specifying what is chosen for each element. 151/// A 1 means conversion of __A. A 0 means element is zero. 152/// \returns A 256-bit vector of [16 x bfloat] come from conversion of __A. 153static __inline__ __m256bh __DEFAULT_FN_ATTRS512 154_mm512_maskz_cvtneps_pbh(__mmask16 __U, __m512 __A) { 155 return (__m256bh)__builtin_ia32_cvtneps2bf16_512_mask((__v16sf)__A, 156 (__v16hi)_mm256_setzero_si256(), 157 (__mmask16)__U); 158} 159 160/// Dot Product of BF16 Pairs Accumulated into Packed Single Precision. 161/// 162/// \headerfile <x86intrin.h> 163/// 164/// This intrinsic corresponds to the <c> VDPBF16PS </c> instructions. 165/// 166/// \param __A 167/// A 512-bit vector of [32 x bfloat]. 168/// \param __B 169/// A 512-bit vector of [32 x bfloat]. 170/// \param __D 171/// A 512-bit vector of [16 x float]. 172/// \returns A 512-bit vector of [16 x float] comes from Dot Product of 173/// __A, __B and __D 174static __inline__ __m512 __DEFAULT_FN_ATTRS512 175_mm512_dpbf16_ps(__m512 __D, __m512bh __A, __m512bh __B) { 176 return (__m512)__builtin_ia32_dpbf16ps_512((__v16sf) __D, 177 (__v16si) __A, 178 (__v16si) __B); 179} 180 181/// Dot Product of BF16 Pairs Accumulated into Packed Single Precision. 182/// 183/// \headerfile <x86intrin.h> 184/// 185/// This intrinsic corresponds to the <c> VDPBF16PS </c> instructions. 186/// 187/// \param __A 188/// A 512-bit vector of [32 x bfloat]. 189/// \param __B 190/// A 512-bit vector of [32 x bfloat]. 191/// \param __D 192/// A 512-bit vector of [16 x float]. 193/// \param __U 194/// A 16-bit mask value specifying what is chosen for each element. 195/// A 1 means __A and __B's dot product accumulated with __D. A 0 means __D. 196/// \returns A 512-bit vector of [16 x float] comes from Dot Product of 197/// __A, __B and __D 198static __inline__ __m512 __DEFAULT_FN_ATTRS512 199_mm512_mask_dpbf16_ps(__m512 __D, __mmask16 __U, __m512bh __A, __m512bh __B) { 200 return (__m512)__builtin_ia32_selectps_512((__mmask16)__U, 201 (__v16sf)_mm512_dpbf16_ps(__D, __A, __B), 202 (__v16sf)__D); 203} 204 205/// Dot Product of BF16 Pairs Accumulated into Packed Single Precision. 206/// 207/// \headerfile <x86intrin.h> 208/// 209/// This intrinsic corresponds to the <c> VDPBF16PS </c> instructions. 210/// 211/// \param __A 212/// A 512-bit vector of [32 x bfloat]. 213/// \param __B 214/// A 512-bit vector of [32 x bfloat]. 215/// \param __D 216/// A 512-bit vector of [16 x float]. 217/// \param __U 218/// A 16-bit mask value specifying what is chosen for each element. 219/// A 1 means __A and __B's dot product accumulated with __D. A 0 means 0. 220/// \returns A 512-bit vector of [16 x float] comes from Dot Product of 221/// __A, __B and __D 222static __inline__ __m512 __DEFAULT_FN_ATTRS512 223_mm512_maskz_dpbf16_ps(__mmask16 __U, __m512 __D, __m512bh __A, __m512bh __B) { 224 return (__m512)__builtin_ia32_selectps_512((__mmask16)__U, 225 (__v16sf)_mm512_dpbf16_ps(__D, __A, __B), 226 (__v16sf)_mm512_setzero_si512()); 227} 228 229/// Convert Packed BF16 Data to Packed float Data. 230/// 231/// \headerfile <x86intrin.h> 232/// 233/// \param __A 234/// A 256-bit vector of [16 x bfloat]. 235/// \returns A 512-bit vector of [16 x float] come from convertion of __A 236static __inline__ __m512 __DEFAULT_FN_ATTRS512 _mm512_cvtpbh_ps(__m256bh __A) { 237 return _mm512_castsi512_ps((__m512i)_mm512_slli_epi32( 238 (__m512i)_mm512_cvtepi16_epi32((__m256i)__A), 16)); 239} 240 241/// Convert Packed BF16 Data to Packed float Data using zeroing mask. 242/// 243/// \headerfile <x86intrin.h> 244/// 245/// \param __U 246/// A 16-bit mask. Elements are zeroed out when the corresponding mask 247/// bit is not set. 248/// \param __A 249/// A 256-bit vector of [16 x bfloat]. 250/// \returns A 512-bit vector of [16 x float] come from convertion of __A 251static __inline__ __m512 __DEFAULT_FN_ATTRS512 252_mm512_maskz_cvtpbh_ps(__mmask16 __U, __m256bh __A) { 253 return _mm512_castsi512_ps((__m512i)_mm512_slli_epi32( 254 (__m512i)_mm512_maskz_cvtepi16_epi32((__mmask16)__U, (__m256i)__A), 16)); 255} 256 257/// Convert Packed BF16 Data to Packed float Data using merging mask. 258/// 259/// \headerfile <x86intrin.h> 260/// 261/// \param __S 262/// A 512-bit vector of [16 x float]. Elements are copied from __S when 263/// the corresponding mask bit is not set. 264/// \param __U 265/// A 16-bit mask. 266/// \param __A 267/// A 256-bit vector of [16 x bfloat]. 268/// \returns A 512-bit vector of [16 x float] come from convertion of __A 269static __inline__ __m512 __DEFAULT_FN_ATTRS512 270_mm512_mask_cvtpbh_ps(__m512 __S, __mmask16 __U, __m256bh __A) { 271 return _mm512_castsi512_ps((__m512i)_mm512_mask_slli_epi32( 272 (__m512i)__S, (__mmask16)__U, 273 (__m512i)_mm512_cvtepi16_epi32((__m256i)__A), 16)); 274} 275 276#undef __DEFAULT_FN_ATTRS 277#undef __DEFAULT_FN_ATTRS512 278 279#endif 280