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