| /*===------------ avx512bf16intrin.h - AVX512_BF16 intrinsics --------------=== |
| * |
| * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| * See https://llvm.org/LICENSE.txt for license information. |
| * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| * |
| *===-----------------------------------------------------------------------=== |
| */ |
| #ifndef __IMMINTRIN_H |
| #error "Never use <avx512bf16intrin.h> directly; include <immintrin.h> instead." |
| #endif |
| |
| #ifndef __AVX512BF16INTRIN_H |
| #define __AVX512BF16INTRIN_H |
| |
| typedef short __m512bh __attribute__((__vector_size__(64), __aligned__(64))); |
| typedef short __m256bh __attribute__((__vector_size__(32), __aligned__(32))); |
| typedef unsigned short __bfloat16; |
| |
| #define __DEFAULT_FN_ATTRS512 \ |
| __attribute__((__always_inline__, __nodebug__, __target__("avx512bf16"), \ |
| __min_vector_width__(512))) |
| #define __DEFAULT_FN_ATTRS \ |
| __attribute__((__always_inline__, __nodebug__, __target__("avx512bf16"))) |
| |
| /// Convert One BF16 Data to One Single Float Data. |
| /// |
| /// \headerfile <x86intrin.h> |
| /// |
| /// This intrinsic does not correspond to a specific instruction. |
| /// |
| /// \param __A |
| /// A bfloat data. |
| /// \returns A float data whose sign field and exponent field keep unchanged, |
| /// and fraction field is extended to 23 bits. |
| static __inline__ float __DEFAULT_FN_ATTRS _mm_cvtsbh_ss(__bfloat16 __A) { |
| return __builtin_ia32_cvtsbf162ss_32(__A); |
| } |
| |
| /// Convert Two Packed Single Data to One Packed BF16 Data. |
| /// |
| /// \headerfile <x86intrin.h> |
| /// |
| /// This intrinsic corresponds to the <c> VCVTNE2PS2BF16 </c> instructions. |
| /// |
| /// \param __A |
| /// A 512-bit vector of [16 x float]. |
| /// \param __B |
| /// A 512-bit vector of [16 x float]. |
| /// \returns A 512-bit vector of [32 x bfloat] whose lower 256 bits come from |
| /// conversion of __B, and higher 256 bits come from conversion of __A. |
| static __inline__ __m512bh __DEFAULT_FN_ATTRS512 |
| _mm512_cvtne2ps_pbh(__m512 __A, __m512 __B) { |
| return (__m512bh)__builtin_ia32_cvtne2ps2bf16_512((__v16sf) __A, |
| (__v16sf) __B); |
| } |
| |
| /// Convert Two Packed Single Data to One Packed BF16 Data. |
| /// |
| /// \headerfile <x86intrin.h> |
| /// |
| /// This intrinsic corresponds to the <c> VCVTNE2PS2BF16 </c> instructions. |
| /// |
| /// \param __A |
| /// A 512-bit vector of [16 x float]. |
| /// \param __B |
| /// A 512-bit vector of [16 x float]. |
| /// \param __W |
| /// A 512-bit vector of [32 x bfloat]. |
| /// \param __U |
| /// A 32-bit mask value specifying what is chosen for each element. |
| /// A 1 means conversion of __A or __B. A 0 means element from __W. |
| /// \returns A 512-bit vector of [32 x bfloat] whose lower 256 bits come from |
| /// conversion of __B, and higher 256 bits come from conversion of __A. |
| static __inline__ __m512bh __DEFAULT_FN_ATTRS512 |
| _mm512_mask_cvtne2ps_pbh(__m512bh __W, __mmask32 __U, __m512 __A, __m512 __B) { |
| return (__m512bh)__builtin_ia32_selectw_512((__mmask32)__U, |
| (__v32hi)_mm512_cvtne2ps_pbh(__A, __B), |
| (__v32hi)__W); |
| } |
| |
| /// Convert Two Packed Single Data to One Packed BF16 Data. |
| /// |
| /// \headerfile <x86intrin.h> |
| /// |
| /// This intrinsic corresponds to the <c> VCVTNE2PS2BF16 </c> instructions. |
| /// |
| /// \param __A |
| /// A 512-bit vector of [16 x float]. |
| /// \param __B |
| /// A 512-bit vector of [16 x float]. |
| /// \param __U |
| /// A 32-bit mask value specifying what is chosen for each element. |
| /// A 1 means conversion of __A or __B. A 0 means element is zero. |
| /// \returns A 512-bit vector of [32 x bfloat] whose lower 256 bits come from |
| /// conversion of __B, and higher 256 bits come from conversion of __A. |
| static __inline__ __m512bh __DEFAULT_FN_ATTRS512 |
| _mm512_maskz_cvtne2ps_pbh(__mmask32 __U, __m512 __A, __m512 __B) { |
| return (__m512bh)__builtin_ia32_selectw_512((__mmask32)__U, |
| (__v32hi)_mm512_cvtne2ps_pbh(__A, __B), |
| (__v32hi)_mm512_setzero_si512()); |
| } |
| |
| /// Convert Packed Single Data to Packed BF16 Data. |
| /// |
| /// \headerfile <x86intrin.h> |
| /// |
| /// This intrinsic corresponds to the <c> VCVTNEPS2BF16 </c> instructions. |
| /// |
| /// \param __A |
| /// A 512-bit vector of [16 x float]. |
| /// \returns A 256-bit vector of [16 x bfloat] come from conversion of __A. |
| static __inline__ __m256bh __DEFAULT_FN_ATTRS512 |
| _mm512_cvtneps_pbh(__m512 __A) { |
| return (__m256bh)__builtin_ia32_cvtneps2bf16_512_mask((__v16sf)__A, |
| (__v16hi)_mm256_undefined_si256(), |
| (__mmask16)-1); |
| } |
| |
| /// Convert Packed Single Data to Packed BF16 Data. |
| /// |
| /// \headerfile <x86intrin.h> |
| /// |
| /// This intrinsic corresponds to the <c> VCVTNEPS2BF16 </c> instructions. |
| /// |
| /// \param __A |
| /// A 512-bit vector of [16 x float]. |
| /// \param __W |
| /// A 256-bit vector of [16 x bfloat]. |
| /// \param __U |
| /// A 16-bit mask value specifying what is chosen for each element. |
| /// A 1 means conversion of __A. A 0 means element from __W. |
| /// \returns A 256-bit vector of [16 x bfloat] come from conversion of __A. |
| static __inline__ __m256bh __DEFAULT_FN_ATTRS512 |
| _mm512_mask_cvtneps_pbh(__m256bh __W, __mmask16 __U, __m512 __A) { |
| return (__m256bh)__builtin_ia32_cvtneps2bf16_512_mask((__v16sf)__A, |
| (__v16hi)__W, |
| (__mmask16)__U); |
| } |
| |
| /// Convert Packed Single Data to Packed BF16 Data. |
| /// |
| /// \headerfile <x86intrin.h> |
| /// |
| /// This intrinsic corresponds to the <c> VCVTNEPS2BF16 </c> instructions. |
| /// |
| /// \param __A |
| /// A 512-bit vector of [16 x float]. |
| /// \param __U |
| /// A 16-bit mask value specifying what is chosen for each element. |
| /// A 1 means conversion of __A. A 0 means element is zero. |
| /// \returns A 256-bit vector of [16 x bfloat] come from conversion of __A. |
| static __inline__ __m256bh __DEFAULT_FN_ATTRS512 |
| _mm512_maskz_cvtneps_pbh(__mmask16 __U, __m512 __A) { |
| return (__m256bh)__builtin_ia32_cvtneps2bf16_512_mask((__v16sf)__A, |
| (__v16hi)_mm256_setzero_si256(), |
| (__mmask16)__U); |
| } |
| |
| /// Dot Product of BF16 Pairs Accumulated into Packed Single Precision. |
| /// |
| /// \headerfile <x86intrin.h> |
| /// |
| /// This intrinsic corresponds to the <c> VDPBF16PS </c> instructions. |
| /// |
| /// \param __A |
| /// A 512-bit vector of [32 x bfloat]. |
| /// \param __B |
| /// A 512-bit vector of [32 x bfloat]. |
| /// \param __D |
| /// A 512-bit vector of [16 x float]. |
| /// \returns A 512-bit vector of [16 x float] comes from Dot Product of |
| /// __A, __B and __D |
| static __inline__ __m512 __DEFAULT_FN_ATTRS512 |
| _mm512_dpbf16_ps(__m512 __D, __m512bh __A, __m512bh __B) { |
| return (__m512)__builtin_ia32_dpbf16ps_512((__v16sf) __D, |
| (__v16si) __A, |
| (__v16si) __B); |
| } |
| |
| /// Dot Product of BF16 Pairs Accumulated into Packed Single Precision. |
| /// |
| /// \headerfile <x86intrin.h> |
| /// |
| /// This intrinsic corresponds to the <c> VDPBF16PS </c> instructions. |
| /// |
| /// \param __A |
| /// A 512-bit vector of [32 x bfloat]. |
| /// \param __B |
| /// A 512-bit vector of [32 x bfloat]. |
| /// \param __D |
| /// A 512-bit vector of [16 x float]. |
| /// \param __U |
| /// A 16-bit mask value specifying what is chosen for each element. |
| /// A 1 means __A and __B's dot product accumulated with __D. A 0 means __D. |
| /// \returns A 512-bit vector of [16 x float] comes from Dot Product of |
| /// __A, __B and __D |
| static __inline__ __m512 __DEFAULT_FN_ATTRS512 |
| _mm512_mask_dpbf16_ps(__m512 __D, __mmask16 __U, __m512bh __A, __m512bh __B) { |
| return (__m512)__builtin_ia32_selectps_512((__mmask16)__U, |
| (__v16sf)_mm512_dpbf16_ps(__D, __A, __B), |
| (__v16sf)__D); |
| } |
| |
| /// Dot Product of BF16 Pairs Accumulated into Packed Single Precision. |
| /// |
| /// \headerfile <x86intrin.h> |
| /// |
| /// This intrinsic corresponds to the <c> VDPBF16PS </c> instructions. |
| /// |
| /// \param __A |
| /// A 512-bit vector of [32 x bfloat]. |
| /// \param __B |
| /// A 512-bit vector of [32 x bfloat]. |
| /// \param __D |
| /// A 512-bit vector of [16 x float]. |
| /// \param __U |
| /// A 16-bit mask value specifying what is chosen for each element. |
| /// A 1 means __A and __B's dot product accumulated with __D. A 0 means 0. |
| /// \returns A 512-bit vector of [16 x float] comes from Dot Product of |
| /// __A, __B and __D |
| static __inline__ __m512 __DEFAULT_FN_ATTRS512 |
| _mm512_maskz_dpbf16_ps(__mmask16 __U, __m512 __D, __m512bh __A, __m512bh __B) { |
| return (__m512)__builtin_ia32_selectps_512((__mmask16)__U, |
| (__v16sf)_mm512_dpbf16_ps(__D, __A, __B), |
| (__v16sf)_mm512_setzero_si512()); |
| } |
| |
| /// Convert Packed BF16 Data to Packed float Data. |
| /// |
| /// \headerfile <x86intrin.h> |
| /// |
| /// \param __A |
| /// A 256-bit vector of [16 x bfloat]. |
| /// \returns A 512-bit vector of [16 x float] come from convertion of __A |
| static __inline__ __m512 __DEFAULT_FN_ATTRS512 _mm512_cvtpbh_ps(__m256bh __A) { |
| return _mm512_castsi512_ps((__m512i)_mm512_slli_epi32( |
| (__m512i)_mm512_cvtepi16_epi32((__m256i)__A), 16)); |
| } |
| |
| /// Convert Packed BF16 Data to Packed float Data using zeroing mask. |
| /// |
| /// \headerfile <x86intrin.h> |
| /// |
| /// \param __U |
| /// A 16-bit mask. Elements are zeroed out when the corresponding mask |
| /// bit is not set. |
| /// \param __A |
| /// A 256-bit vector of [16 x bfloat]. |
| /// \returns A 512-bit vector of [16 x float] come from convertion of __A |
| static __inline__ __m512 __DEFAULT_FN_ATTRS512 |
| _mm512_maskz_cvtpbh_ps(__mmask16 __U, __m256bh __A) { |
| return _mm512_castsi512_ps((__m512i)_mm512_slli_epi32( |
| (__m512i)_mm512_maskz_cvtepi16_epi32((__mmask16)__U, (__m256i)__A), 16)); |
| } |
| |
| /// Convert Packed BF16 Data to Packed float Data using merging mask. |
| /// |
| /// \headerfile <x86intrin.h> |
| /// |
| /// \param __S |
| /// A 512-bit vector of [16 x float]. Elements are copied from __S when |
| /// the corresponding mask bit is not set. |
| /// \param __U |
| /// A 16-bit mask. |
| /// \param __A |
| /// A 256-bit vector of [16 x bfloat]. |
| /// \returns A 512-bit vector of [16 x float] come from convertion of __A |
| static __inline__ __m512 __DEFAULT_FN_ATTRS512 |
| _mm512_mask_cvtpbh_ps(__m512 __S, __mmask16 __U, __m256bh __A) { |
| return _mm512_castsi512_ps((__m512i)_mm512_mask_slli_epi32( |
| (__m512i)__S, (__mmask16)__U, |
| (__m512i)_mm512_cvtepi16_epi32((__m256i)__A), 16)); |
| } |
| |
| #undef __DEFAULT_FN_ATTRS |
| #undef __DEFAULT_FN_ATTRS512 |
| |
| #endif |