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| Rev | Author | Line No. | Line | 
|---|---|---|---|
| 14 | pmbaty | 1 | /*===------------ avx512bf16intrin.h - AVX512_BF16 intrinsics --------------=== | 
        
| 2 |  * | 
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| 3 |  * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | 
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| 4 |  * See https://llvm.org/LICENSE.txt for license information. | 
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| 5 |  * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | 
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| 6 |  * | 
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| 7 |  *===-----------------------------------------------------------------------=== | 
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| 8 |  */ | 
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| 9 | #ifndef __IMMINTRIN_H | 
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| 10 | #error "Never use <avx512bf16intrin.h> directly; include <immintrin.h> instead." | 
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| 11 | #endif | 
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| 12 | |||
| 13 | #ifdef __SSE2__ | 
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| 14 | |||
| 15 | #ifndef __AVX512BF16INTRIN_H | 
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| 16 | #define __AVX512BF16INTRIN_H | 
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| 17 | |||
| 18 | typedef __bf16 __v32bf __attribute__((__vector_size__(64), __aligned__(64)));  | 
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| 19 | typedef __bf16 __m512bh __attribute__((__vector_size__(64), __aligned__(64)));  | 
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| 20 | typedef __bf16 __bfloat16 __attribute__((deprecated("use __bf16 instead")));  | 
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| 21 | |||
| 22 | #define __DEFAULT_FN_ATTRS512 \ | 
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| 23 |   __attribute__((__always_inline__, __nodebug__, __target__("avx512bf16"), \ | 
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| 24 |                  __min_vector_width__(512))) | 
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| 25 | #define __DEFAULT_FN_ATTRS                                                     \ | 
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| 26 |   __attribute__((__always_inline__, __nodebug__, __target__("avx512bf16"))) | 
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| 27 | |||
| 28 | /// Convert One BF16 Data to One Single Float Data. | 
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| 29 | /// | 
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| 30 | /// \headerfile <x86intrin.h> | 
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| 31 | /// | 
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| 32 | /// This intrinsic does not correspond to a specific instruction. | 
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| 33 | /// | 
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| 34 | /// \param __A | 
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| 35 | ///    A bfloat data. | 
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| 36 | /// \returns A float data whose sign field and exponent field keep unchanged, | 
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| 37 | ///    and fraction field is extended to 23 bits. | 
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| 38 | static __inline__ float __DEFAULT_FN_ATTRS _mm_cvtsbh_ss(__bf16 __A) {  | 
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| 39 | return __builtin_ia32_cvtsbf162ss_32(__A);  | 
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| 40 | } | 
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| 41 | |||
| 42 | /// Convert Two Packed Single Data to One Packed BF16 Data. | 
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| 43 | /// | 
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| 44 | /// \headerfile <x86intrin.h> | 
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| 45 | /// | 
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| 46 | /// This intrinsic corresponds to the <c> VCVTNE2PS2BF16 </c> instructions. | 
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| 47 | /// | 
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| 48 | /// \param __A | 
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| 49 | ///    A 512-bit vector of [16 x float]. | 
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| 50 | /// \param __B | 
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| 51 | ///    A 512-bit vector of [16 x float]. | 
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| 52 | /// \returns A 512-bit vector of [32 x bfloat] whose lower 256 bits come from | 
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| 53 | ///    conversion of __B, and higher 256 bits come from conversion of __A. | 
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| 54 | static __inline__ __m512bh __DEFAULT_FN_ATTRS512 | 
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| 55 | _mm512_cvtne2ps_pbh(__m512 __A, __m512 __B) {  | 
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| 56 | return (__m512bh)__builtin_ia32_cvtne2ps2bf16_512((__v16sf) __A,  | 
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| 57 | (__v16sf) __B);  | 
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| 58 | } | 
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| 59 | |||
| 60 | /// Convert Two Packed Single Data to One Packed BF16 Data. | 
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| 61 | /// | 
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| 62 | /// \headerfile <x86intrin.h> | 
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| 63 | /// | 
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| 64 | /// This intrinsic corresponds to the <c> VCVTNE2PS2BF16 </c> instructions. | 
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| 65 | /// | 
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| 66 | /// \param __A | 
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| 67 | ///    A 512-bit vector of [16 x float]. | 
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| 68 | /// \param __B | 
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| 69 | ///    A 512-bit vector of [16 x float]. | 
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| 70 | /// \param __W | 
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| 71 | ///    A 512-bit vector of [32 x bfloat]. | 
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| 72 | /// \param __U | 
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| 73 | ///    A 32-bit mask value specifying what is chosen for each element. | 
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| 74 | ///    A 1 means conversion of __A or __B. A 0 means element from __W. | 
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| 75 | /// \returns A 512-bit vector of [32 x bfloat] whose lower 256 bits come from | 
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| 76 | ///    conversion of __B, and higher 256 bits come from conversion of __A. | 
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| 77 | static __inline__ __m512bh __DEFAULT_FN_ATTRS512 | 
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| 78 | _mm512_mask_cvtne2ps_pbh(__m512bh __W, __mmask32 __U, __m512 __A, __m512 __B) {  | 
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| 79 | return (__m512bh)__builtin_ia32_selectpbf_512((__mmask32)__U,  | 
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| 80 | (__v32bf)_mm512_cvtne2ps_pbh(__A, __B),  | 
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| 81 | (__v32bf)__W);  | 
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| 82 | } | 
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| 83 | |||
| 84 | /// Convert Two Packed Single Data to One Packed BF16 Data. | 
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| 85 | /// | 
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| 86 | /// \headerfile <x86intrin.h> | 
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| 87 | /// | 
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| 88 | /// This intrinsic corresponds to the <c> VCVTNE2PS2BF16 </c> instructions. | 
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| 89 | /// | 
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| 90 | /// \param __A | 
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| 91 | ///    A 512-bit vector of [16 x float]. | 
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| 92 | /// \param __B | 
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| 93 | ///    A 512-bit vector of [16 x float]. | 
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| 94 | /// \param __U | 
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| 95 | ///    A 32-bit mask value specifying what is chosen for each element. | 
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| 96 | ///    A 1 means conversion of __A or __B. A 0 means element is zero. | 
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| 97 | /// \returns A 512-bit vector of [32 x bfloat] whose lower 256 bits come from | 
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| 98 | ///    conversion of __B, and higher 256 bits come from conversion of __A. | 
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| 99 | static __inline__ __m512bh __DEFAULT_FN_ATTRS512 | 
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| 100 | _mm512_maskz_cvtne2ps_pbh(__mmask32 __U, __m512 __A, __m512 __B) {  | 
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| 101 | return (__m512bh)__builtin_ia32_selectpbf_512((__mmask32)__U,  | 
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| 102 | (__v32bf)_mm512_cvtne2ps_pbh(__A, __B),  | 
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| 103 | (__v32bf)_mm512_setzero_si512());  | 
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| 104 | } | 
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| 105 | |||
| 106 | /// Convert Packed Single Data to Packed BF16 Data. | 
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| 107 | /// | 
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| 108 | /// \headerfile <x86intrin.h> | 
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| 109 | /// | 
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| 110 | /// This intrinsic corresponds to the <c> VCVTNEPS2BF16 </c> instructions. | 
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| 111 | /// | 
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| 112 | /// \param __A | 
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| 113 | ///    A 512-bit vector of [16 x float]. | 
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| 114 | /// \returns A 256-bit vector of [16 x bfloat] come from conversion of __A. | 
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| 115 | static __inline__ __m256bh __DEFAULT_FN_ATTRS512 | 
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| 116 | _mm512_cvtneps_pbh(__m512 __A) {  | 
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| 117 | return (__m256bh)__builtin_ia32_cvtneps2bf16_512_mask((__v16sf)__A,  | 
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| 118 | (__v16bf)_mm256_undefined_si256(),  | 
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| 119 | (__mmask16)-1);  | 
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| 120 | } | 
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| 121 | |||
| 122 | /// Convert Packed Single Data to Packed BF16 Data. | 
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| 123 | /// | 
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| 124 | /// \headerfile <x86intrin.h> | 
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| 125 | /// | 
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| 126 | /// This intrinsic corresponds to the <c> VCVTNEPS2BF16 </c> instructions. | 
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| 127 | /// | 
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| 128 | /// \param __A | 
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| 129 | ///    A 512-bit vector of [16 x float]. | 
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| 130 | /// \param __W | 
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| 131 | ///    A 256-bit vector of [16 x bfloat]. | 
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| 132 | /// \param __U | 
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| 133 | ///    A 16-bit mask value specifying what is chosen for each element. | 
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| 134 | ///    A 1 means conversion of __A. A 0 means element from __W. | 
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| 135 | /// \returns A 256-bit vector of [16 x bfloat] come from conversion of __A. | 
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| 136 | static __inline__ __m256bh __DEFAULT_FN_ATTRS512 | 
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| 137 | _mm512_mask_cvtneps_pbh(__m256bh __W, __mmask16 __U, __m512 __A) {  | 
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| 138 | return (__m256bh)__builtin_ia32_cvtneps2bf16_512_mask((__v16sf)__A,  | 
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| 139 | (__v16bf)__W,  | 
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| 140 | (__mmask16)__U);  | 
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| 141 | } | 
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| 142 | |||
| 143 | /// Convert Packed Single Data to Packed BF16 Data. | 
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| 144 | /// | 
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| 145 | /// \headerfile <x86intrin.h> | 
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| 146 | /// | 
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| 147 | /// This intrinsic corresponds to the <c> VCVTNEPS2BF16 </c> instructions. | 
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| 148 | /// | 
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| 149 | /// \param __A | 
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| 150 | ///    A 512-bit vector of [16 x float]. | 
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| 151 | /// \param __U | 
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| 152 | ///    A 16-bit mask value specifying what is chosen for each element. | 
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| 153 | ///    A 1 means conversion of __A. A 0 means element is zero. | 
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| 154 | /// \returns A 256-bit vector of [16 x bfloat] come from conversion of __A. | 
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| 155 | static __inline__ __m256bh __DEFAULT_FN_ATTRS512 | 
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| 156 | _mm512_maskz_cvtneps_pbh(__mmask16 __U, __m512 __A) {  | 
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| 157 | return (__m256bh)__builtin_ia32_cvtneps2bf16_512_mask((__v16sf)__A,  | 
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| 158 | (__v16bf)_mm256_setzero_si256(),  | 
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| 159 | (__mmask16)__U);  | 
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| 160 | } | 
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| 161 | |||
| 162 | /// Dot Product of BF16 Pairs Accumulated into Packed Single Precision. | 
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| 163 | /// | 
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| 164 | /// \headerfile <x86intrin.h> | 
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| 165 | /// | 
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| 166 | /// This intrinsic corresponds to the <c> VDPBF16PS </c> instructions. | 
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| 167 | /// | 
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| 168 | /// \param __A | 
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| 169 | ///    A 512-bit vector of [32 x bfloat]. | 
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| 170 | /// \param __B | 
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| 171 | ///    A 512-bit vector of [32 x bfloat]. | 
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| 172 | /// \param __D | 
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| 173 | ///    A 512-bit vector of [16 x float]. | 
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| 174 | /// \returns A 512-bit vector of [16 x float] comes from  Dot Product of | 
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| 175 | ///  __A, __B and __D | 
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| 176 | static __inline__ __m512 __DEFAULT_FN_ATTRS512 | 
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| 177 | _mm512_dpbf16_ps(__m512 __D, __m512bh __A, __m512bh __B) {  | 
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| 178 | return (__m512)__builtin_ia32_dpbf16ps_512((__v16sf) __D,  | 
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| 179 | (__v32bf) __A,  | 
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| 180 | (__v32bf) __B);  | 
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| 181 | } | 
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| 182 | |||
| 183 | /// Dot Product of BF16 Pairs Accumulated into Packed Single Precision. | 
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| 184 | /// | 
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| 185 | /// \headerfile <x86intrin.h> | 
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| 186 | /// | 
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| 187 | /// This intrinsic corresponds to the <c> VDPBF16PS </c> instructions. | 
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| 188 | /// | 
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| 189 | /// \param __A | 
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| 190 | ///    A 512-bit vector of [32 x bfloat]. | 
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| 191 | /// \param __B | 
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| 192 | ///    A 512-bit vector of [32 x bfloat]. | 
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| 193 | /// \param __D | 
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| 194 | ///    A 512-bit vector of [16 x float]. | 
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| 195 | /// \param __U | 
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| 196 | ///    A 16-bit mask value specifying what is chosen for each element. | 
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| 197 | ///    A 1 means __A and __B's dot product accumulated with __D. A 0 means __D. | 
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| 198 | /// \returns A 512-bit vector of [16 x float] comes from  Dot Product of | 
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| 199 | ///  __A, __B and __D | 
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| 200 | static __inline__ __m512 __DEFAULT_FN_ATTRS512 | 
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| 201 | _mm512_mask_dpbf16_ps(__m512 __D, __mmask16 __U, __m512bh __A, __m512bh __B) {  | 
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| 202 | return (__m512)__builtin_ia32_selectps_512((__mmask16)__U,  | 
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| 203 | (__v16sf)_mm512_dpbf16_ps(__D, __A, __B),  | 
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| 204 | (__v16sf)__D);  | 
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| 205 | } | 
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| 206 | |||
| 207 | /// Dot Product of BF16 Pairs Accumulated into Packed Single Precision. | 
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| 208 | /// | 
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| 209 | /// \headerfile <x86intrin.h> | 
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| 210 | /// | 
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| 211 | /// This intrinsic corresponds to the <c> VDPBF16PS </c> instructions. | 
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| 212 | /// | 
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| 213 | /// \param __A | 
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| 214 | ///    A 512-bit vector of [32 x bfloat]. | 
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| 215 | /// \param __B | 
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| 216 | ///    A 512-bit vector of [32 x bfloat]. | 
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| 217 | /// \param __D | 
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| 218 | ///    A 512-bit vector of [16 x float]. | 
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| 219 | /// \param __U | 
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| 220 | ///    A 16-bit mask value specifying what is chosen for each element. | 
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| 221 | ///    A 1 means __A and __B's dot product accumulated with __D. A 0 means 0. | 
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| 222 | /// \returns A 512-bit vector of [16 x float] comes from  Dot Product of | 
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| 223 | ///  __A, __B and __D | 
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| 224 | static __inline__ __m512 __DEFAULT_FN_ATTRS512 | 
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| 225 | _mm512_maskz_dpbf16_ps(__mmask16 __U, __m512 __D, __m512bh __A, __m512bh __B) {  | 
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| 226 | return (__m512)__builtin_ia32_selectps_512((__mmask16)__U,  | 
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| 227 | (__v16sf)_mm512_dpbf16_ps(__D, __A, __B),  | 
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| 228 | (__v16sf)_mm512_setzero_si512());  | 
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| 229 | } | 
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| 230 | |||
| 231 | /// Convert Packed BF16 Data to Packed float Data. | 
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| 232 | /// | 
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| 233 | /// \headerfile <x86intrin.h> | 
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| 234 | /// | 
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| 235 | /// \param __A | 
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| 236 | ///    A 256-bit vector of [16 x bfloat]. | 
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| 237 | /// \returns A 512-bit vector of [16 x float] come from conversion of __A | 
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| 238 | static __inline__ __m512 __DEFAULT_FN_ATTRS512 _mm512_cvtpbh_ps(__m256bh __A) {  | 
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| 239 | return _mm512_castsi512_ps((__m512i)_mm512_slli_epi32(  | 
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| 240 | (__m512i)_mm512_cvtepi16_epi32((__m256i)__A), 16));  | 
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| 241 | } | 
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| 242 | |||
| 243 | /// Convert Packed BF16 Data to Packed float Data using zeroing mask. | 
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| 244 | /// | 
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| 245 | /// \headerfile <x86intrin.h> | 
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| 246 | /// | 
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| 247 | /// \param __U | 
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| 248 | ///    A 16-bit mask. Elements are zeroed out when the corresponding mask | 
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| 249 | ///    bit is not set. | 
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| 250 | /// \param __A | 
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| 251 | ///    A 256-bit vector of [16 x bfloat]. | 
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| 252 | /// \returns A 512-bit vector of [16 x float] come from conversion of __A | 
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| 253 | static __inline__ __m512 __DEFAULT_FN_ATTRS512 | 
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| 254 | _mm512_maskz_cvtpbh_ps(__mmask16 __U, __m256bh __A) {  | 
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| 255 | return _mm512_castsi512_ps((__m512i)_mm512_slli_epi32(  | 
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| 256 | (__m512i)_mm512_maskz_cvtepi16_epi32((__mmask16)__U, (__m256i)__A), 16));  | 
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| 257 | } | 
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| 258 | |||
| 259 | /// Convert Packed BF16 Data to Packed float Data using merging mask. | 
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| 260 | /// | 
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| 261 | /// \headerfile <x86intrin.h> | 
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| 262 | /// | 
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| 263 | /// \param __S | 
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| 264 | ///    A 512-bit vector of [16 x float]. Elements are copied from __S when | 
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| 265 | ///     the corresponding mask bit is not set. | 
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| 266 | /// \param __U | 
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| 267 | ///    A 16-bit mask. | 
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| 268 | /// \param __A | 
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| 269 | ///    A 256-bit vector of [16 x bfloat]. | 
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| 270 | /// \returns A 512-bit vector of [16 x float] come from conversion of __A | 
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| 271 | static __inline__ __m512 __DEFAULT_FN_ATTRS512 | 
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| 272 | _mm512_mask_cvtpbh_ps(__m512 __S, __mmask16 __U, __m256bh __A) {  | 
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| 273 | return _mm512_castsi512_ps((__m512i)_mm512_mask_slli_epi32(  | 
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| 274 | (__m512i)__S, (__mmask16)__U,  | 
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| 275 | (__m512i)_mm512_cvtepi16_epi32((__m256i)__A), 16));  | 
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| 276 | } | 
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| 277 | |||
| 278 | #undef __DEFAULT_FN_ATTRS | 
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| 279 | #undef __DEFAULT_FN_ATTRS512 | 
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| 280 | |||
| 281 | #endif | 
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| 282 | #endif |