Logan Chien | df4f766 | 2019-09-04 16:45:23 -0700 | [diff] [blame] | 1 | /*===--------- avx512vlbf16intrin.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 <avx512vlbf16intrin.h> directly; include <immintrin.h> instead." |
| 11 | #endif |
| 12 | |
| 13 | #ifndef __AVX512VLBF16INTRIN_H |
| 14 | #define __AVX512VLBF16INTRIN_H |
| 15 | |
| 16 | typedef short __m128bh __attribute__((__vector_size__(16), __aligned__(16))); |
| 17 | |
| 18 | #define __DEFAULT_FN_ATTRS128 \ |
| 19 | __attribute__((__always_inline__, __nodebug__, \ |
| 20 | __target__("avx512vl, avx512bf16"), __min_vector_width__(128))) |
| 21 | #define __DEFAULT_FN_ATTRS256 \ |
| 22 | __attribute__((__always_inline__, __nodebug__, \ |
| 23 | __target__("avx512vl, avx512bf16"), __min_vector_width__(256))) |
| 24 | |
| 25 | /// Convert Two Packed Single Data to One Packed BF16 Data. |
| 26 | /// |
| 27 | /// \headerfile <x86intrin.h> |
| 28 | /// |
| 29 | /// This intrinsic corresponds to the <c> VCVTNE2PS2BF16 </c> instructions. |
| 30 | /// |
| 31 | /// \param __A |
| 32 | /// A 128-bit vector of [4 x float]. |
| 33 | /// \param __B |
| 34 | /// A 128-bit vector of [4 x float]. |
| 35 | /// \returns A 128-bit vector of [8 x bfloat] whose lower 64 bits come from |
| 36 | /// conversion of __B, and higher 64 bits come from conversion of __A. |
| 37 | static __inline__ __m128bh __DEFAULT_FN_ATTRS128 |
| 38 | _mm_cvtne2ps_pbh(__m128 __A, __m128 __B) { |
| 39 | return (__m128bh)__builtin_ia32_cvtne2ps2bf16_128((__v4sf) __A, |
| 40 | (__v4sf) __B); |
| 41 | } |
| 42 | |
| 43 | /// Convert Two Packed Single Data to One Packed BF16 Data. |
| 44 | /// |
| 45 | /// \headerfile <x86intrin.h> |
| 46 | /// |
| 47 | /// This intrinsic corresponds to the <c> VCVTNE2PS2BF16 </c> instructions. |
| 48 | /// |
| 49 | /// \param __A |
| 50 | /// A 128-bit vector of [4 x float]. |
| 51 | /// \param __B |
| 52 | /// A 128-bit vector of [4 x float]. |
| 53 | /// \param __W |
| 54 | /// A 128-bit vector of [8 x bfloat]. |
| 55 | /// \param __U |
| 56 | /// A 8-bit mask value specifying what is chosen for each element. |
| 57 | /// A 1 means conversion of __A or __B. A 0 means element from __W. |
| 58 | /// \returns A 128-bit vector of [8 x bfloat] whose lower 64 bits come from |
| 59 | /// conversion of __B, and higher 64 bits come from conversion of __A. |
| 60 | static __inline__ __m128bh __DEFAULT_FN_ATTRS128 |
| 61 | _mm_mask_cvtne2ps_pbh(__m128bh __W, __mmask8 __U, __m128 __A, __m128 __B) { |
| 62 | return (__m128bh)__builtin_ia32_selectw_128((__mmask8)__U, |
| 63 | (__v8hi)_mm_cvtne2ps_pbh(__A, __B), |
| 64 | (__v8hi)__W); |
| 65 | } |
| 66 | |
| 67 | /// Convert Two Packed Single Data to One Packed BF16 Data. |
| 68 | /// |
| 69 | /// \headerfile <x86intrin.h> |
| 70 | /// |
| 71 | /// This intrinsic corresponds to the <c> VCVTNE2PS2BF16 </c> instructions. |
| 72 | /// |
| 73 | /// \param __A |
| 74 | /// A 128-bit vector of [4 x float]. |
| 75 | /// \param __B |
| 76 | /// A 128-bit vector of [4 x float]. |
| 77 | /// \param __U |
| 78 | /// A 8-bit mask value specifying what is chosen for each element. |
| 79 | /// A 1 means conversion of __A or __B. A 0 means element is zero. |
| 80 | /// \returns A 128-bit vector of [8 x bfloat] whose lower 64 bits come from |
| 81 | /// conversion of __B, and higher 64 bits come from conversion of __A. |
| 82 | static __inline__ __m128bh __DEFAULT_FN_ATTRS128 |
| 83 | _mm_maskz_cvtne2ps_pbh(__mmask8 __U, __m128 __A, __m128 __B) { |
| 84 | return (__m128bh)__builtin_ia32_selectw_128((__mmask8)__U, |
| 85 | (__v8hi)_mm_cvtne2ps_pbh(__A, __B), |
| 86 | (__v8hi)_mm_setzero_si128()); |
| 87 | } |
| 88 | |
| 89 | /// Convert Two Packed Single Data to One Packed BF16 Data. |
| 90 | /// |
| 91 | /// \headerfile <x86intrin.h> |
| 92 | /// |
| 93 | /// This intrinsic corresponds to the <c> VCVTNE2PS2BF16 </c> instructions. |
| 94 | /// |
| 95 | /// \param __A |
| 96 | /// A 256-bit vector of [8 x float]. |
| 97 | /// \param __B |
| 98 | /// A 256-bit vector of [8 x float]. |
| 99 | /// \returns A 256-bit vector of [16 x bfloat] whose lower 128 bits come from |
| 100 | /// conversion of __B, and higher 128 bits come from conversion of __A. |
| 101 | static __inline__ __m256bh __DEFAULT_FN_ATTRS256 |
| 102 | _mm256_cvtne2ps_pbh(__m256 __A, __m256 __B) { |
| 103 | return (__m256bh)__builtin_ia32_cvtne2ps2bf16_256((__v8sf) __A, |
| 104 | (__v8sf) __B); |
| 105 | } |
| 106 | |
| 107 | /// Convert Two Packed Single Data to One Packed BF16 Data. |
| 108 | /// |
| 109 | /// \headerfile <x86intrin.h> |
| 110 | /// |
| 111 | /// This intrinsic corresponds to the <c> VCVTNE2PS2BF16 </c> instructions. |
| 112 | /// |
| 113 | /// \param __A |
| 114 | /// A 256-bit vector of [8 x float]. |
| 115 | /// \param __B |
| 116 | /// A 256-bit vector of [8 x float]. |
| 117 | /// \param __W |
| 118 | /// A 256-bit vector of [16 x bfloat]. |
| 119 | /// \param __U |
| 120 | /// A 16-bit mask value specifying what is chosen for each element. |
| 121 | /// A 1 means conversion of __A or __B. A 0 means element from __W. |
| 122 | /// \returns A 256-bit vector of [16 x bfloat] whose lower 128 bits come from |
| 123 | /// conversion of __B, and higher 128 bits come from conversion of __A. |
| 124 | static __inline__ __m256bh __DEFAULT_FN_ATTRS256 |
| 125 | _mm256_mask_cvtne2ps_pbh(__m256bh __W, __mmask16 __U, __m256 __A, __m256 __B) { |
| 126 | return (__m256bh)__builtin_ia32_selectw_256((__mmask16)__U, |
| 127 | (__v16hi)_mm256_cvtne2ps_pbh(__A, __B), |
| 128 | (__v16hi)__W); |
| 129 | } |
| 130 | |
| 131 | /// Convert Two Packed Single Data to One Packed BF16 Data. |
| 132 | /// |
| 133 | /// \headerfile <x86intrin.h> |
| 134 | /// |
| 135 | /// This intrinsic corresponds to the <c> VCVTNE2PS2BF16 </c> instructions. |
| 136 | /// |
| 137 | /// \param __A |
| 138 | /// A 256-bit vector of [8 x float]. |
| 139 | /// \param __B |
| 140 | /// A 256-bit vector of [8 x float]. |
| 141 | /// \param __U |
| 142 | /// A 16-bit mask value specifying what is chosen for each element. |
| 143 | /// A 1 means conversion of __A or __B. A 0 means element is zero. |
| 144 | /// \returns A 256-bit vector of [16 x bfloat] whose lower 128 bits come from |
| 145 | /// conversion of __B, and higher 128 bits come from conversion of __A. |
| 146 | static __inline__ __m256bh __DEFAULT_FN_ATTRS256 |
| 147 | _mm256_maskz_cvtne2ps_pbh(__mmask16 __U, __m256 __A, __m256 __B) { |
| 148 | return (__m256bh)__builtin_ia32_selectw_256((__mmask16)__U, |
| 149 | (__v16hi)_mm256_cvtne2ps_pbh(__A, __B), |
| 150 | (__v16hi)_mm256_setzero_si256()); |
| 151 | } |
| 152 | |
| 153 | /// Convert Packed Single Data to Packed BF16 Data. |
| 154 | /// |
| 155 | /// \headerfile <x86intrin.h> |
| 156 | /// |
| 157 | /// This intrinsic corresponds to the <c> VCVTNEPS2BF16 </c> instructions. |
| 158 | /// |
| 159 | /// \param __A |
| 160 | /// A 128-bit vector of [4 x float]. |
| 161 | /// \returns A 128-bit vector of [8 x bfloat] whose lower 64 bits come from |
| 162 | /// conversion of __A, and higher 64 bits are 0. |
| 163 | static __inline__ __m128bh __DEFAULT_FN_ATTRS128 |
| 164 | _mm_cvtneps_pbh(__m128 __A) { |
| 165 | return (__m128bh)__builtin_ia32_cvtneps2bf16_128_mask((__v4sf) __A, |
| 166 | (__v8hi)_mm_undefined_si128(), |
| 167 | (__mmask8)-1); |
| 168 | } |
| 169 | |
| 170 | /// Convert Packed Single Data to Packed BF16 Data. |
| 171 | /// |
| 172 | /// \headerfile <x86intrin.h> |
| 173 | /// |
| 174 | /// This intrinsic corresponds to the <c> VCVTNEPS2BF16 </c> instructions. |
| 175 | /// |
| 176 | /// \param __A |
| 177 | /// A 128-bit vector of [4 x float]. |
| 178 | /// \param __W |
| 179 | /// A 128-bit vector of [8 x bfloat]. |
| 180 | /// \param __U |
| 181 | /// A 4-bit mask value specifying what is chosen for each element. |
| 182 | /// A 1 means conversion of __A. A 0 means element from __W. |
| 183 | /// \returns A 128-bit vector of [8 x bfloat] whose lower 64 bits come from |
| 184 | /// conversion of __A, and higher 64 bits are 0. |
| 185 | static __inline__ __m128bh __DEFAULT_FN_ATTRS128 |
| 186 | _mm_mask_cvtneps_pbh(__m128bh __W, __mmask8 __U, __m128 __A) { |
| 187 | return (__m128bh)__builtin_ia32_cvtneps2bf16_128_mask((__v4sf) __A, |
| 188 | (__v8hi)__W, |
| 189 | (__mmask8)__U); |
| 190 | } |
| 191 | |
| 192 | /// Convert Packed Single Data to Packed BF16 Data. |
| 193 | /// |
| 194 | /// \headerfile <x86intrin.h> |
| 195 | /// |
| 196 | /// This intrinsic corresponds to the <c> VCVTNEPS2BF16 </c> instructions. |
| 197 | /// |
| 198 | /// \param __A |
| 199 | /// A 128-bit vector of [4 x float]. |
| 200 | /// \param __U |
| 201 | /// A 4-bit mask value specifying what is chosen for each element. |
| 202 | /// A 1 means conversion of __A. A 0 means element is zero. |
| 203 | /// \returns A 128-bit vector of [8 x bfloat] whose lower 64 bits come from |
| 204 | /// conversion of __A, and higher 64 bits are 0. |
| 205 | static __inline__ __m128bh __DEFAULT_FN_ATTRS128 |
| 206 | _mm_maskz_cvtneps_pbh(__mmask8 __U, __m128 __A) { |
| 207 | return (__m128bh)__builtin_ia32_cvtneps2bf16_128_mask((__v4sf) __A, |
| 208 | (__v8hi)_mm_setzero_si128(), |
| 209 | (__mmask8)__U); |
| 210 | } |
| 211 | |
| 212 | /// Convert Packed Single Data to Packed BF16 Data. |
| 213 | /// |
| 214 | /// \headerfile <x86intrin.h> |
| 215 | /// |
| 216 | /// This intrinsic corresponds to the <c> VCVTNEPS2BF16 </c> instructions. |
| 217 | /// |
| 218 | /// \param __A |
| 219 | /// A 256-bit vector of [8 x float]. |
| 220 | /// \returns A 128-bit vector of [8 x bfloat] comes from conversion of __A. |
| 221 | static __inline__ __m128bh __DEFAULT_FN_ATTRS256 |
| 222 | _mm256_cvtneps_pbh(__m256 __A) { |
| 223 | return (__m128bh)__builtin_ia32_cvtneps2bf16_256_mask((__v8sf)__A, |
| 224 | (__v8hi)_mm_undefined_si128(), |
| 225 | (__mmask8)-1); |
| 226 | } |
| 227 | |
| 228 | /// Convert Packed Single Data to Packed BF16 Data. |
| 229 | /// |
| 230 | /// \headerfile <x86intrin.h> |
| 231 | /// |
| 232 | /// This intrinsic corresponds to the <c> VCVTNEPS2BF16 </c> instructions. |
| 233 | /// |
| 234 | /// \param __A |
| 235 | /// A 256-bit vector of [8 x float]. |
| 236 | /// \param __W |
| 237 | /// A 256-bit vector of [8 x bfloat]. |
| 238 | /// \param __U |
| 239 | /// A 8-bit mask value specifying what is chosen for each element. |
| 240 | /// A 1 means conversion of __A. A 0 means element from __W. |
| 241 | /// \returns A 128-bit vector of [8 x bfloat] comes from conversion of __A. |
| 242 | static __inline__ __m128bh __DEFAULT_FN_ATTRS256 |
| 243 | _mm256_mask_cvtneps_pbh(__m128bh __W, __mmask8 __U, __m256 __A) { |
| 244 | return (__m128bh)__builtin_ia32_cvtneps2bf16_256_mask((__v8sf)__A, |
| 245 | (__v8hi)__W, |
| 246 | (__mmask8)__U); |
| 247 | } |
| 248 | |
| 249 | /// Convert Packed Single Data to Packed BF16 Data. |
| 250 | /// |
| 251 | /// \headerfile <x86intrin.h> |
| 252 | /// |
| 253 | /// This intrinsic corresponds to the <c> VCVTNEPS2BF16 </c> instructions. |
| 254 | /// |
| 255 | /// \param __A |
| 256 | /// A 256-bit vector of [8 x float]. |
| 257 | /// \param __U |
| 258 | /// A 8-bit mask value specifying what is chosen for each element. |
| 259 | /// A 1 means conversion of __A. A 0 means element is zero. |
| 260 | /// \returns A 128-bit vector of [8 x bfloat] comes from conversion of __A. |
| 261 | static __inline__ __m128bh __DEFAULT_FN_ATTRS256 |
| 262 | _mm256_maskz_cvtneps_pbh(__mmask8 __U, __m256 __A) { |
| 263 | return (__m128bh)__builtin_ia32_cvtneps2bf16_256_mask((__v8sf)__A, |
| 264 | (__v8hi)_mm_setzero_si128(), |
| 265 | (__mmask8)__U); |
| 266 | } |
| 267 | |
| 268 | /// Dot Product of BF16 Pairs Accumulated into Packed Single Precision. |
| 269 | /// |
| 270 | /// \headerfile <x86intrin.h> |
| 271 | /// |
| 272 | /// This intrinsic corresponds to the <c> VDPBF16PS </c> instructions. |
| 273 | /// |
| 274 | /// \param __A |
| 275 | /// A 128-bit vector of [8 x bfloat]. |
| 276 | /// \param __B |
| 277 | /// A 128-bit vector of [8 x bfloat]. |
| 278 | /// \param __D |
| 279 | /// A 128-bit vector of [4 x float]. |
| 280 | /// \returns A 128-bit vector of [4 x float] comes from Dot Product of |
| 281 | /// __A, __B and __D |
| 282 | static __inline__ __m128 __DEFAULT_FN_ATTRS128 |
| 283 | _mm_dpbf16_ps(__m128 __D, __m128bh __A, __m128bh __B) { |
| 284 | return (__m128)__builtin_ia32_dpbf16ps_128((__v4sf)__D, |
| 285 | (__v4si)__A, |
| 286 | (__v4si)__B); |
| 287 | } |
| 288 | |
| 289 | /// Dot Product of BF16 Pairs Accumulated into Packed Single Precision. |
| 290 | /// |
| 291 | /// \headerfile <x86intrin.h> |
| 292 | /// |
| 293 | /// This intrinsic corresponds to the <c> VDPBF16PS </c> instructions. |
| 294 | /// |
| 295 | /// \param __A |
| 296 | /// A 128-bit vector of [8 x bfloat]. |
| 297 | /// \param __B |
| 298 | /// A 128-bit vector of [8 x bfloat]. |
| 299 | /// \param __D |
| 300 | /// A 128-bit vector of [4 x float]. |
| 301 | /// \param __U |
| 302 | /// A 8-bit mask value specifying what is chosen for each element. |
| 303 | /// A 1 means __A and __B's dot product accumulated with __D. A 0 means __D. |
| 304 | /// \returns A 128-bit vector of [4 x float] comes from Dot Product of |
| 305 | /// __A, __B and __D |
| 306 | static __inline__ __m128 __DEFAULT_FN_ATTRS128 |
| 307 | _mm_mask_dpbf16_ps(__m128 __D, __mmask8 __U, __m128bh __A, __m128bh __B) { |
| 308 | return (__m128)__builtin_ia32_selectps_128((__mmask8)__U, |
| 309 | (__v4sf)_mm_dpbf16_ps(__D, __A, __B), |
| 310 | (__v4sf)__D); |
| 311 | } |
| 312 | |
| 313 | /// Dot Product of BF16 Pairs Accumulated into Packed Single Precision. |
| 314 | /// |
| 315 | /// \headerfile <x86intrin.h> |
| 316 | /// |
| 317 | /// This intrinsic corresponds to the <c> VDPBF16PS </c> instructions. |
| 318 | /// |
| 319 | /// \param __A |
| 320 | /// A 128-bit vector of [8 x bfloat]. |
| 321 | /// \param __B |
| 322 | /// A 128-bit vector of [8 x bfloat]. |
| 323 | /// \param __D |
| 324 | /// A 128-bit vector of [4 x float]. |
| 325 | /// \param __U |
| 326 | /// A 8-bit mask value specifying what is chosen for each element. |
| 327 | /// A 1 means __A and __B's dot product accumulated with __D. A 0 means 0. |
| 328 | /// \returns A 128-bit vector of [4 x float] comes from Dot Product of |
| 329 | /// __A, __B and __D |
| 330 | static __inline__ __m128 __DEFAULT_FN_ATTRS128 |
| 331 | _mm_maskz_dpbf16_ps(__mmask8 __U, __m128 __D, __m128bh __A, __m128bh __B) { |
| 332 | return (__m128)__builtin_ia32_selectps_128((__mmask8)__U, |
| 333 | (__v4sf)_mm_dpbf16_ps(__D, __A, __B), |
| 334 | (__v4sf)_mm_setzero_si128()); |
| 335 | } |
| 336 | |
| 337 | /// Dot Product of BF16 Pairs Accumulated into Packed Single Precision. |
| 338 | /// |
| 339 | /// \headerfile <x86intrin.h> |
| 340 | /// |
| 341 | /// This intrinsic corresponds to the <c> VDPBF16PS </c> instructions. |
| 342 | /// |
| 343 | /// \param __A |
| 344 | /// A 256-bit vector of [16 x bfloat]. |
| 345 | /// \param __B |
| 346 | /// A 256-bit vector of [16 x bfloat]. |
| 347 | /// \param __D |
| 348 | /// A 256-bit vector of [8 x float]. |
| 349 | /// \returns A 256-bit vector of [8 x float] comes from Dot Product of |
| 350 | /// __A, __B and __D |
| 351 | static __inline__ __m256 __DEFAULT_FN_ATTRS256 |
| 352 | _mm256_dpbf16_ps(__m256 __D, __m256bh __A, __m256bh __B) { |
| 353 | return (__m256)__builtin_ia32_dpbf16ps_256((__v8sf)__D, |
| 354 | (__v8si)__A, |
| 355 | (__v8si)__B); |
| 356 | } |
| 357 | |
| 358 | /// Dot Product of BF16 Pairs Accumulated into Packed Single Precision. |
| 359 | /// |
| 360 | /// \headerfile <x86intrin.h> |
| 361 | /// |
| 362 | /// This intrinsic corresponds to the <c> VDPBF16PS </c> instructions. |
| 363 | /// |
| 364 | /// \param __A |
| 365 | /// A 256-bit vector of [16 x bfloat]. |
| 366 | /// \param __B |
| 367 | /// A 256-bit vector of [16 x bfloat]. |
| 368 | /// \param __D |
| 369 | /// A 256-bit vector of [8 x float]. |
| 370 | /// \param __U |
| 371 | /// A 16-bit mask value specifying what is chosen for each element. |
| 372 | /// A 1 means __A and __B's dot product accumulated with __D. A 0 means __D. |
| 373 | /// \returns A 256-bit vector of [8 x float] comes from Dot Product of |
| 374 | /// __A, __B and __D |
| 375 | static __inline__ __m256 __DEFAULT_FN_ATTRS256 |
| 376 | _mm256_mask_dpbf16_ps(__m256 __D, __mmask8 __U, __m256bh __A, __m256bh __B) { |
| 377 | return (__m256)__builtin_ia32_selectps_256((__mmask8)__U, |
| 378 | (__v8sf)_mm256_dpbf16_ps(__D, __A, __B), |
| 379 | (__v8sf)__D); |
| 380 | } |
| 381 | |
| 382 | /// Dot Product of BF16 Pairs Accumulated into Packed Single Precision. |
| 383 | /// |
| 384 | /// \headerfile <x86intrin.h> |
| 385 | /// |
| 386 | /// This intrinsic corresponds to the <c> VDPBF16PS </c> instructions. |
| 387 | /// |
| 388 | /// \param __A |
| 389 | /// A 256-bit vector of [16 x bfloat]. |
| 390 | /// \param __B |
| 391 | /// A 256-bit vector of [16 x bfloat]. |
| 392 | /// \param __D |
| 393 | /// A 256-bit vector of [8 x float]. |
| 394 | /// \param __U |
| 395 | /// A 8-bit mask value specifying what is chosen for each element. |
| 396 | /// A 1 means __A and __B's dot product accumulated with __D. A 0 means 0. |
| 397 | /// \returns A 256-bit vector of [8 x float] comes from Dot Product of |
| 398 | /// __A, __B and __D |
| 399 | static __inline__ __m256 __DEFAULT_FN_ATTRS256 |
| 400 | _mm256_maskz_dpbf16_ps(__mmask8 __U, __m256 __D, __m256bh __A, __m256bh __B) { |
| 401 | return (__m256)__builtin_ia32_selectps_256((__mmask8)__U, |
| 402 | (__v8sf)_mm256_dpbf16_ps(__D, __A, __B), |
| 403 | (__v8sf)_mm256_setzero_si256()); |
| 404 | } |
| 405 | |
| 406 | /// Convert One Single float Data to One BF16 Data. |
| 407 | /// |
| 408 | /// \headerfile <x86intrin.h> |
| 409 | /// |
| 410 | /// This intrinsic corresponds to the <c> VCVTNEPS2BF16 </c> instructions. |
| 411 | /// |
| 412 | /// \param __A |
| 413 | /// A float data. |
| 414 | /// \returns A bf16 data whose sign field and exponent field keep unchanged, |
| 415 | /// and fraction field is truncated to 7 bits. |
| 416 | static __inline__ __bfloat16 __DEFAULT_FN_ATTRS128 _mm_cvtness_sbh(float __A) { |
| 417 | __v4sf __V = {__A, 0, 0, 0}; |
| 418 | __v8hi __R = __builtin_ia32_cvtneps2bf16_128_mask( |
| 419 | (__v4sf)__V, (__v8hi)_mm_undefined_si128(), (__mmask8)-1); |
| 420 | return __R[0]; |
| 421 | } |
| 422 | |
| 423 | /// Convert Packed BF16 Data to Packed float Data. |
| 424 | /// |
| 425 | /// \headerfile <x86intrin.h> |
| 426 | /// |
| 427 | /// \param __A |
| 428 | /// A 128-bit vector of [8 x bfloat]. |
| 429 | /// \returns A 256-bit vector of [8 x float] come from convertion of __A |
| 430 | static __inline__ __m256 __DEFAULT_FN_ATTRS256 _mm256_cvtpbh_ps(__m128bh __A) { |
| 431 | return _mm256_castsi256_ps((__m256i)_mm256_slli_epi32( |
| 432 | (__m256i)_mm256_cvtepi16_epi32((__m128i)__A), 16)); |
| 433 | } |
| 434 | |
| 435 | /// Convert Packed BF16 Data to Packed float Data using zeroing mask. |
| 436 | /// |
| 437 | /// \headerfile <x86intrin.h> |
| 438 | /// |
| 439 | /// \param __U |
| 440 | /// A 8-bit mask. Elements are zeroed out when the corresponding mask |
| 441 | /// bit is not set. |
| 442 | /// \param __A |
| 443 | /// A 128-bit vector of [8 x bfloat]. |
| 444 | /// \returns A 256-bit vector of [8 x float] come from convertion of __A |
| 445 | static __inline__ __m256 __DEFAULT_FN_ATTRS256 |
| 446 | _mm256_maskz_cvtpbh_ps(__mmask8 __U, __m128bh __A) { |
| 447 | return _mm256_castsi256_ps((__m256i)_mm256_slli_epi32( |
| 448 | (__m256i)_mm256_maskz_cvtepi16_epi32((__mmask8)__U, (__m128i)__A), 16)); |
| 449 | } |
| 450 | |
| 451 | /// Convert Packed BF16 Data to Packed float Data using merging mask. |
| 452 | /// |
| 453 | /// \headerfile <x86intrin.h> |
| 454 | /// |
| 455 | /// \param __S |
| 456 | /// A 256-bit vector of [8 x float]. Elements are copied from __S when |
| 457 | /// the corresponding mask bit is not set. |
| 458 | /// \param __U |
| 459 | /// A 8-bit mask. Elements are zeroed out when the corresponding mask |
| 460 | /// bit is not set. |
| 461 | /// \param __A |
| 462 | /// A 128-bit vector of [8 x bfloat]. |
| 463 | /// \returns A 256-bit vector of [8 x float] come from convertion of __A |
| 464 | static __inline__ __m256 __DEFAULT_FN_ATTRS256 |
| 465 | _mm256_mask_cvtpbh_ps(__m256 __S, __mmask8 __U, __m128bh __A) { |
| 466 | return _mm256_castsi256_ps((__m256i)_mm256_mask_slli_epi32( |
| 467 | (__m256i)__S, (__mmask8)__U, (__m256i)_mm256_cvtepi16_epi32((__m128i)__A), |
| 468 | 16)); |
| 469 | } |
| 470 | |
| 471 | #undef __DEFAULT_FN_ATTRS128 |
| 472 | #undef __DEFAULT_FN_ATTRS256 |
| 473 | |
| 474 | #endif |