[clang] 6e7f042 - [X86][AVX10.2] Add comments for the avx10_2convertintrin.h file (#120766)
via cfe-commits
cfe-commits at lists.llvm.org
Thu Feb 27 16:29:24 PST 2025
Author: Mikołaj Piróg
Date: 2025-02-28T08:29:20+08:00
New Revision: 6e7f04266c5f729cf4bc5546e2bf29aad3e695f1
URL: https://github.com/llvm/llvm-project/commit/6e7f04266c5f729cf4bc5546e2bf29aad3e695f1
DIFF: https://github.com/llvm/llvm-project/commit/6e7f04266c5f729cf4bc5546e2bf29aad3e695f1.diff
LOG: [X86][AVX10.2] Add comments for the avx10_2convertintrin.h file (#120766)
As in title. I will create a sibling pr with comments to the 512
variant.
Added:
Modified:
clang/lib/Headers/avx10_2convertintrin.h
Removed:
################################################################################
diff --git a/clang/lib/Headers/avx10_2convertintrin.h b/clang/lib/Headers/avx10_2convertintrin.h
index 07722090c30ee..b425aa59251fa 100644
--- a/clang/lib/Headers/avx10_2convertintrin.h
+++ b/clang/lib/Headers/avx10_2convertintrin.h
@@ -24,24 +24,157 @@
__attribute__((__always_inline__, __nodebug__, __target__("avx10.2-256"), \
__min_vector_width__(256)))
+// clang-format off
+
+/// Convert two 128-bit vectors, \a __A and \a __B, containing packed
+/// single-precision (32-bit) floating-point elements to a 128-bit vector
+/// containing FP16 elements.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// IF i < 4
+/// dst.fp16[i] := convert_fp32_to_fp16(__B.fp32[i])
+/// ELSE
+/// dst.fp16[i] := convert_fp32_to_fp16(__A.fp32[i - 4])
+/// FI
+///
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PS2PHX instruction.
+///
+/// \param __A
+/// A 128-bit vector of [4 x float].
+/// \param __B
+/// A 128-bit vector of [4 x float].
+/// \returns
+/// A 128-bit vector of [8 x fp16]. Lower 4 elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A.
static __inline__ __m128h __DEFAULT_FN_ATTRS128 _mm_cvtx2ps_ph(__m128 __A,
__m128 __B) {
return (__m128h)__builtin_ia32_vcvt2ps2phx128_mask(
(__v4sf)__A, (__v4sf)__B, (__v8hf)_mm_setzero_ph(), (__mmask8)(-1));
}
+/// Convert two 128-bit vectors, \a __A and \a __B, containing packed
+/// single-precision (32-bit) floating-point elements to a 128-bit vector
+/// containing FP16 elements. Merging mask \a __U is used to determine if given
+/// element should be taken from \a __W instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// IF __U[i]
+/// IF i < 4
+/// dst.fp16[i] := convert_fp32_to_fp16(__B.fp32[i])
+/// ELSE
+/// dst.fp16[i] := convert_fp32_to_fp16(__A.fp32[i - 4])
+/// FI
+/// ELSE
+/// dst.fp16[i] := __W.fp16[i]
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PS2PHX instruction.
+///
+/// \param __W
+/// A 128-bit vector of [8 x fp16].
+/// \param __U
+/// A 8-bit merging mask.
+/// \param __A
+/// A 128-bit vector of [4 x float].
+/// \param __B
+/// A 128-bit vector of [4 x float].
+/// \returns
+/// A 128-bit vector of [8 x fp16]. Lower elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set, then
+/// element from \a __W is taken instead.
static __inline__ __m128h __DEFAULT_FN_ATTRS128
_mm_mask_cvtx2ps_ph(__m128h __W, __mmask8 __U, __m128 __A, __m128 __B) {
return (__m128h)__builtin_ia32_vcvt2ps2phx128_mask(
(__v4sf)__A, (__v4sf)__B, (__v8hf)__W, (__mmask8)__U);
}
+/// Convert two 128-bit vectors, \a __A and \a __B, containing packed
+/// single-precision (32-bit) floating-point elements to a 128-bit vector
+/// containing FP16 elements. Zeroing mask \a __U is used to determine if given
+/// element should be zeroed instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// IF __U[i]
+/// IF i < 4
+/// dst.fp16[i] := convert_fp32_to_fp16(__B.fp32[i])
+/// ELSE
+/// dst.fp16[i] := convert_fp32_to_fp16(__A.fp32[i - 4])
+/// FI
+/// ELSE
+/// dst.fp16[i] := 0
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PS2PHX instruction.
+///
+/// \param __U
+/// A 8-bit zeroing mask.
+/// \param __A
+/// A 128-bit vector of [4 x float].
+/// \param __B
+/// A 128-bit vector of [4 x float].
+/// \returns
+/// A 128-bit vector of [8 x fp16]. Lower elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set,
+/// then zero is taken instead.
static __inline__ __m128h __DEFAULT_FN_ATTRS128
_mm_maskz_cvtx2ps_ph(__mmask8 __U, __m128 __A, __m128 __B) {
return (__m128h)__builtin_ia32_vcvt2ps2phx128_mask(
(__v4sf)__A, (__v4sf)__B, (__v8hf)_mm_setzero_ph(), (__mmask8)__U);
}
+/// Convert two 256-bit vectors, \a __A and \a __B, containing packed
+/// single-precision (32-bit) floating-point elements to a 256-bit vector
+/// containing FP16 elements.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF i < 8
+/// dst.fp16[i] := convert_fp32_to_fp16(__B.fp32[i])
+/// ELSE
+/// dst.fp16[i] := convert_fp32_to_fp16(__A.fp32[i - 8])
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:256] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PS2PHX instruction.
+///
+/// \param __A
+/// A 256-bit vector of [8 x float].
+/// \param __B
+/// A 256-bit vector of [8 x float].
+/// \returns
+/// A 256-bit vector of [16 x fp16]. Lower elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A.
static __inline__ __m256h __DEFAULT_FN_ATTRS256 _mm256_cvtx2ps_ph(__m256 __A,
__m256 __B) {
return (__m256h)__builtin_ia32_vcvt2ps2phx256_mask(
@@ -49,6 +182,44 @@ static __inline__ __m256h __DEFAULT_FN_ATTRS256 _mm256_cvtx2ps_ph(__m256 __A,
_MM_FROUND_CUR_DIRECTION);
}
+/// Convert two 256-bit vectors, \a __A and \a __B, containing packed
+/// single-precision (32-bit) floating-point elements to a 256-bit vector
+/// containing FP16 elements. Merging mask \a __U is used to determine if given
+/// element should be taken from \a __W instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// IF i < 8
+/// dst.fp16[i] := convert_fp32_to_fp16(__B.fp32[i])
+/// ELSE
+/// dst.fp16[i] := convert_fp32_to_fp16(__A.fp32[i - 8])
+/// FI
+/// ELSE
+/// dst.fp16[i] := __W.fp16[i]
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:256] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PS2PHX instruction.
+///
+/// \param __W
+/// A 256-bit vector of [16 x fp16].
+/// \param __U
+/// A 16-bit merging mask.
+/// \param __A
+/// A 256-bit vector of [8 x float].
+/// \param __B
+/// A 256-bit vector of [8 x float].
+/// \returns
+/// A 256-bit vector of [16 x fp16]. Lower elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set, then
+/// element from \a __W is taken instead.
static __inline__ __m256h __DEFAULT_FN_ATTRS256
_mm256_mask_cvtx2ps_ph(__m256h __W, __mmask16 __U, __m256 __A, __m256 __B) {
return (__m256h)__builtin_ia32_vcvt2ps2phx256_mask(
@@ -56,6 +227,42 @@ _mm256_mask_cvtx2ps_ph(__m256h __W, __mmask16 __U, __m256 __A, __m256 __B) {
_MM_FROUND_CUR_DIRECTION);
}
+/// Convert two 256-bit vectors, \a __A and \a __B, containing packed
+/// single-precision (32-bit) floating-point elements to a 256-bit vector
+/// containing FP16 elements. Zeroing mask \a __U is used to determine if given
+/// element should be zeroed instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// IF i < 8
+/// dst.fp16[i] := convert_fp32_to_fp16(__B.fp32[i])
+/// ELSE
+/// dst.fp16[i] := convert_fp32_to_fp16(__A.fp32[i - 8])
+/// FI
+/// ELSE
+/// dst.fp16[i] := 0
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:256] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PS2PHX instruction.
+///
+/// \param __U
+/// A 16-bit zeroing mask.
+/// \param __A
+/// A 256-bit vector of [8 x float].
+/// \param __B
+/// A 256-bit vector of [8 x float].
+/// \returns
+/// A 256-bit vector of [16 x fp16]. Lower elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set,
+/// then zero is taken instead.
static __inline__ __m256h __DEFAULT_FN_ATTRS256
_mm256_maskz_cvtx2ps_ph(__mmask16 __U, __m256 __A, __m256 __B) {
return (__m256h)__builtin_ia32_vcvt2ps2phx256_mask(
@@ -63,32 +270,240 @@ _mm256_maskz_cvtx2ps_ph(__mmask16 __U, __m256 __A, __m256 __B) {
_MM_FROUND_CUR_DIRECTION);
}
-#define _mm256_cvtx_round2ps_ph(A, B, R) \
+/// Convert two 256-bit vectors, \a __A and \a __B, containing packed
+/// single-precision (32-bit) floating-point elements to a 256-bit vector
+/// containing FP16 elements. Rounding mode \a __R needs to be provided.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF i < 8
+/// dst.fp16[i] := convert_fp32_to_fp16(__B.fp32[i])
+/// ELSE
+/// dst.fp16[i] := convert_fp32_to_fp16(__A.fp32[i - 8])
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:256] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PS2PHX instruction.
+///
+/// \param __A
+/// A 256-bit vector of [8 x float].
+/// \param __B
+/// A 256-bit vector of [8 x float].
+/// \param __R
+/// Rounding mode. Valid inputs are: _MM_FROUND_CUR_DIRECTION or
+/// result of bitwise or of _MM_FROUND_NO_EXC with at most one of the following:
+/// _MM_FROUND_TO_NEAREST_INT, _MM_FROUND_TO_NEG_INF, _MM_FROUND_TO_POS_INF,
+/// _MM_FROUND_TO_ZERO.
+/// \returns
+/// A 256-bit vector of [16 x fp16]. Lower elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A.
+#define _mm256_cvtx_round2ps_ph(__A, __B, __R) \
((__m256h)__builtin_ia32_vcvt2ps2phx256_mask( \
- (__v8sf)(A), (__v8sf)(B), (__v16hf)_mm256_undefined_ph(), \
- (__mmask16)(-1), (const int)(R)))
-
-#define _mm256_mask_cvtx_round2ps_ph(W, U, A, B, R) \
+ (__v8sf)(__A), (__v8sf)(__B), (__v16hf)_mm256_undefined_ph(), \
+ (__mmask16)(-1), (const int)(__R)))
+
+/// Convert two 256-bit vectors, \a __A and \a __B, containing packed
+/// single-precision (32-bit) floating-point elements to a 256-bit vector
+/// containing FP16 elements. Merging mask \a __U is used to determine if given
+/// element should be taken from \a __W instead. Rounding mode \a __R needs to
+/// be provided.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// IF i < 8
+/// dst.fp16[i] := convert_fp32_to_fp16(__B.fp32[i])
+/// ELSE
+/// dst.fp16[i] := convert_fp32_to_fp16(__A.fp32[i - 8])
+/// FI
+/// ELSE
+/// dst.fp16[i] := __W.fp16[i]
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:256] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PS2PHX instruction.
+///
+/// \param __W
+/// A 256-bit vector of [16 x fp16].
+/// \param __U
+/// A 16-bit merging mask.
+/// \param __A
+/// A 256-bit vector of [8 x float].
+/// \param __B
+/// A 256-bit vector of [8 x float].
+/// \param __R
+/// Rounding mode. Valid inputs are: _MM_FROUND_CUR_DIRECTION or
+/// result of bitwise or of _MM_FROUND_NO_EXC with at most one of the following:
+/// _MM_FROUND_TO_NEAREST_INT, _MM_FROUND_TO_NEG_INF, _MM_FROUND_TO_POS_INF,
+/// _MM_FROUND_TO_ZERO.
+/// \returns
+/// A 256-bit vector of [16 x fp16]. Lower elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set, then
+/// element from \a __W is taken instead.
+#define _mm256_mask_cvtx_round2ps_ph(__W, __U, __A, __B, __R) \
((__m256h)__builtin_ia32_vcvt2ps2phx256_mask( \
- (__v8sf)(A), (__v8sf)(B), (__v16hf)(W), (__mmask16)(U), (const int)(R)))
-
-#define _mm256_maskz_cvtx_round2ps_ph(U, A, B, R) \
+ (__v8sf)(__A), (__v8sf)(__B), (__v16hf)(__W), (__mmask16)(__U), (const int)(__R)))
+
+/// Convert two 256-bit vectors, \a __A and \a __B, containing packed
+/// single-precision (32-bit) floating-point elements to a 256-bit vector
+/// containing FP16 elements. Zeroing mask \a __U is used to determine if given
+/// element should be zeroed instead. Rounding mode \a __R needs to be provided.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// IF i < 8
+/// dst.fp16[i] := convert_fp32_to_fp16(__B.fp32[i])
+/// ELSE
+/// dst.fp16[i] := convert_fp32_to_fp16(__A.fp32[i - 8])
+/// FI
+/// ELSE
+/// dst.fp16[i] := 0
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:256] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PS2PHX instruction.
+///
+/// \param __U
+/// A 16-bit zeroing mask.
+/// \param __A
+/// A 256-bit vector of [8 x float].
+/// \param __B
+/// A 256-bit vector of [8 x float].
+/// \param __R
+/// Rounding mode. Valid inputs are: _MM_FROUND_CUR_DIRECTION or
+/// result of bitwise or of _MM_FROUND_NO_EXC with at most one of the following:
+/// _MM_FROUND_TO_NEAREST_INT, _MM_FROUND_TO_NEG_INF, _MM_FROUND_TO_POS_INF,
+/// _MM_FROUND_TO_ZERO.
+/// \returns
+/// A 256-bit vector of [16 x fp16]. Lower elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set,
+/// then zero is taken instead.
+#define _mm256_maskz_cvtx_round2ps_ph(__U, __A, __B, __R) \
((__m256h)__builtin_ia32_vcvt2ps2phx256_mask( \
- (__v8sf)(A), (__v8sf)(B), (__v16hf)(_mm256_setzero_ph()), \
- (__mmask16)(U), (const int)(R)))
-
-static __inline__ __m128i __DEFAULT_FN_ATTRS128 _mm_cvtbiasph_bf8(__m128i __A,
- __m128h __B) {
+ (__v8sf)(__A), (__v8sf)(__B), (__v16hf)(_mm256_setzero_ph()), \
+ (__mmask16)(__U), (const int)(__R)))
+
+/// Convert 128-bit vector \a __B containing packed FP16 floating-point elements
+/// to FP8 E5M2 numbers, using conversion biases stored in lower 8 bits of each
+/// 16-bit integer stored in \a __B.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// dst.bf8[i] := convert_fp16_to_bf8_with_bias(__A.int8[2 * i], __B.fp16[i])
+/// ENDFOR
+///
+/// dst[MAX:64] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTBIASPH2BF8 instruction.
+///
+/// \param __A
+/// A 128-bit vector of [8 x int16].
+/// \param __B
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x bf8]. Lower elements correspond to the
+/// converted elements from \a __B using biases from \a __A; higher order
+/// elements are zeroed.
+static __inline__ __m128i __DEFAULT_FN_ATTRS128
+_mm_cvtbiasph_bf8(__m128i __A, __m128h __B) {
return (__m128i)__builtin_ia32_vcvtbiasph2bf8_128_mask(
(__v16qi)__A, (__v8hf)__B, (__v16qi)_mm_undefined_si128(), (__mmask8)-1);
}
+/// Convert 128-bit vector \a __B containing packed FP16 floating-point elements
+/// to FP8 E5M2 numbers, using conversion biases stored in lower 8 bits of each
+/// 16-bit integer stored in \a __B. Merging mask \a __U is used to determine if
+/// given element should be taken from \a __W instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// IF __U[i]
+/// dst.bf8[i] := convert_fp16_to_bf8_with_bias(__A.int8[2 * i], __B.fp16[i])
+/// ELSE
+/// dst.bf8[i] := __W.bf8[i]
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:64] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTBIASPH2BF8 instruction.
+///
+/// \param __W
+/// A 128-bit vector of [16 x bf8].
+/// \param __U
+/// A 8-bit merging mask.
+/// \param __A
+/// A 128-bit vector of [8 x int16].
+/// \param __B
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x bf8]. Lower elements correspond to the
+/// converted elements from \a __B, using biases from \a __A; higher order
+/// elements are zeroed. If corresponding mask bit is not set, then element
+/// from \a __W is taken instead.
static __inline__ __m128i __DEFAULT_FN_ATTRS128
_mm_mask_cvtbiasph_bf8(__m128i __W, __mmask8 __U, __m128i __A, __m128h __B) {
return (__m128i)__builtin_ia32_vcvtbiasph2bf8_128_mask(
(__v16qi)__A, (__v8hf)__B, (__v16qi)(__m128i)__W, (__mmask8)__U);
}
+/// Convert 128-bit vector \a __B containing packed FP16 floating-point elements
+/// to FP8 E5M2 numbers, using conversion biases stored in lower 8 bits of each
+/// 16-bit integer stored in \a __B. Zeroing mask \a __U is used to determine if
+/// given element should be zeroed instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// IF __U[i]
+/// dst.bf8[i] := convert_fp16_to_bf8_with_bias(__A.int8[2 * i], __B.fp16[i])
+/// ELSE
+/// dst.bf8[i] := 0
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:64] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTBIASPH2BF8 instruction.
+///
+/// \param __U
+/// A 8-bit zeroing mask.
+/// \param __A
+/// A 128-bit vector of [8 x int16].
+/// \param __B
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x bf8]. Lower elements correspond to the
+/// converted elements from \a __B, using biases from \a __A; higher order
+/// elements are zeroed. If corresponding mask bit is not set, then element
+/// is zeroed.
static __inline__ __m128i __DEFAULT_FN_ATTRS128
_mm_maskz_cvtbiasph_bf8(__mmask8 __U, __m128i __A, __m128h __B) {
return (__m128i)__builtin_ia32_vcvtbiasph2bf8_128_mask(
@@ -96,6 +511,29 @@ _mm_maskz_cvtbiasph_bf8(__mmask8 __U, __m128i __A, __m128h __B) {
(__mmask8)__U);
}
+/// Convert 256-bit vector \a __B containing packed FP16 floating-point elements
+/// to FP8 E5M2 numbers, using conversion biases stored in lower 8 bits of each
+/// 16-bit integer stored in \a __B.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// dst.bf8[i] := convert_fp16_to_bf8_with_bias(__A.int8[2 * i], __B.fp16[i])
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTBIASPH2BF8 instruction.
+///
+/// \param __A
+/// A 256-bit vector of [16 x int16].
+/// \param __B
+/// A 256-bit vector of [16 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x bf8]. Elements correspond to the
+/// converted elements from \a __B using biases from \a __A.
static __inline__ __m128i __DEFAULT_FN_ATTRS256
_mm256_cvtbiasph_bf8(__m256i __A, __m256h __B) {
return (__m128i)__builtin_ia32_vcvtbiasph2bf8_256_mask(
@@ -103,12 +541,76 @@ _mm256_cvtbiasph_bf8(__m256i __A, __m256h __B) {
(__mmask16)-1);
}
+/// Convert 256-bit vector \a __B containing packed FP16 floating-point elements
+/// to FP8 E5M2 numbers, using conversion biases stored in lower 8 bits of each
+/// 16-bit integer stored in \a __B. Merging mask \a __U is used to determine if
+/// given element should be taken from \a __W instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// dst.bf8[i] := convert_fp16_to_bf8_with_bias(__A.int8[2 * i], __B.fp16[i])
+/// ELSE
+/// dst.bf8[i] := __W.bf8[i]
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTBIASPH2BF8 instruction.
+///
+/// \param __W
+/// A 128-bit vector of [16 x bf8].
+/// \param __U
+/// A 16-bit merging mask.
+/// \param __A
+/// A 256-bit vector of [16 x int16].
+/// \param __B
+/// A 256-bit vector of [16 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x bf8]. Elements correspond to the converted
+/// elements from \a __B, using biases from \a __A. If corresponding mask bit
+/// is not set, then element from \a __W is taken instead.
static __inline__ __m128i __DEFAULT_FN_ATTRS256 _mm256_mask_cvtbiasph_bf8(
__m128i __W, __mmask16 __U, __m256i __A, __m256h __B) {
return (__m128i)__builtin_ia32_vcvtbiasph2bf8_256_mask(
(__v32qi)__A, (__v16hf)__B, (__v16qi)(__m128i)__W, (__mmask16)__U);
}
+/// Convert 256-bit vector \a __B containing packed FP16 floating-point elements
+/// to FP8 E5M2 numbers, using conversion biases stored in lower 8 bits of each
+/// 16-bit integer stored in \a __B. Zeroing mask \a __U is used to determine if
+/// given element should be zeroed instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// dst.bf8[i] := convert_fp16_to_bf8_with_bias(__A.int8[2 * i], __B.fp16[i])
+/// ELSE
+/// dst.bf8[i] := 0
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTBIASPH2BF8 instruction.
+///
+/// \param __U
+/// A 16-bit zeroing mask.
+/// \param __A
+/// A 256-bit vector of [16 x int16].
+/// \param __B
+/// A 256-bit vector of [16 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x bf8]. Elements correspond to the converted
+/// elements from \a __B, using biases from \a __A. If corresponding mask bit
+/// is not set, then element is zeroed.
static __inline__ __m128i __DEFAULT_FN_ATTRS256
_mm256_maskz_cvtbiasph_bf8(__mmask16 __U, __m256i __A, __m256h __B) {
return (__m128i)__builtin_ia32_vcvtbiasph2bf8_256_mask(
@@ -116,18 +618,107 @@ _mm256_maskz_cvtbiasph_bf8(__mmask16 __U, __m256i __A, __m256h __B) {
(__mmask16)__U);
}
+/// Convert 128-bit vector \a __B containing packed FP16 floating-point elements
+/// to FP8 E5M2 numbers, using conversion biases stored in lower 8 bits of each
+/// 16-bit integer stored in \a __B. Results are saturated.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// dst.bf8[i] := convert_fp16_to_bf8_with_bias_saturate(__A.int8[2 * i], __B.fp16[i])
+/// ENDFOR
+///
+/// dst[MAX:64] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTBIASPH2BF8 instruction.
+///
+/// \param __A
+/// A 128-bit vector of [8 x int16].
+/// \param __B
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x bf8]. Lower elements correspond to the
+/// converted elements from \a __B using biases from \a __A; higher order
+/// elements are zeroed.
static __inline__ __m128i __DEFAULT_FN_ATTRS128
_mm_cvtbiassph_bf8(__m128i __A, __m128h __B) {
return (__m128i)__builtin_ia32_vcvtbiasph2bf8s_128_mask(
(__v16qi)__A, (__v8hf)__B, (__v16qi)_mm_undefined_si128(), (__mmask8)-1);
}
-static __inline__ __m128i __DEFAULT_FN_ATTRS128
-_mm_mask_cvtbiassph_bf8(__m128i __W, __mmask8 __U, __m128i __A, __m128h __B) {
- return (__m128i)__builtin_ia32_vcvtbiasph2bf8s_128_mask(
- (__v16qi)__A, (__v8hf)__B, (__v16qi)(__m128i)__W, (__mmask8)__U);
-}
-
+/// Convert 128-bit vector \a __B containing packed FP16 floating-point elements
+/// to FP8 E5M2 numbers, using conversion biases stored in lower 8 bits of each
+/// 16-bit integer stored in \a __B. Results are saturated. Merging mask \a __U
+/// is used to determine if given element should be taken from \a __W instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// IF __U[i]
+/// dst.bf8[i] := convert_fp16_to_bf8_with_bias_saturate(__A.int8[2 * i], __B.fp16[i])
+/// ELSE
+/// dst.bf8[i] := __W.bf8[i]
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:64] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTBIASPH2BF8S instruction.
+///
+/// \param __W
+/// A 128-bit vector of [16 x bf8].
+/// \param __U
+/// A 8-bit merging mask.
+/// \param __A
+/// A 128-bit vector of [8 x int16].
+/// \param __B
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x bf8]. Lower elements correspond to the
+/// converted elements from \a __B, using biases from \a __A; higher order
+/// elements are zeroed. If corresponding mask bit is not set, then element
+/// from \a __W is taken instead.
+static __inline__ __m128i __DEFAULT_FN_ATTRS128 _mm_mask_cvtbiassph_bf8(__m128i
+ __W, __mmask8 __U, __m128i __A, __m128h __B) { return
+ (__m128i)__builtin_ia32_vcvtbiasph2bf8s_128_mask( (__v16qi)__A,
+ (__v8hf)__B, (__v16qi)(__m128i)__W, (__mmask8)__U); }
+
+/// Convert 128-bit vector \a __B containing packed FP16 floating-point elements
+/// to FP8 E5M2 numbers, using conversion biases stored in lower 8 bits of each
+/// 16-bit integer stored in \a __B. Results are saturated. Zeroing mask \a __U
+/// is used to determine if given element should be zeroed instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// IF __U[i]
+/// dst.bf8[i] := convert_fp16_to_bf8_with_bias_saturate(__A.int8[2 * i], __B.fp16[i])
+/// ELSE
+/// dst.bf8[i] := 0
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:64] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTBIASPH2BF8S instruction.
+///
+/// \param __U
+/// A 8-bit zeroing mask.
+/// \param __A
+/// A 128-bit vector of [8 x int16].
+/// \param __B
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x bf8]. Lower elements correspond to the
+/// converted elements from \a __B, using biases from \a __A; higher order
+/// elements are zeroed. If corresponding mask bit is not set, then element
+/// is zeroed.
static __inline__ __m128i __DEFAULT_FN_ATTRS128
_mm_maskz_cvtbiassph_bf8(__mmask8 __U, __m128i __A, __m128h __B) {
return (__m128i)__builtin_ia32_vcvtbiasph2bf8s_128_mask(
@@ -135,6 +726,30 @@ _mm_maskz_cvtbiassph_bf8(__mmask8 __U, __m128i __A, __m128h __B) {
(__mmask8)__U);
}
+
+/// Convert 256-bit vector \a __B containing packed FP16 floating-point elements
+/// to FP8 E5M2 numbers, using conversion biases stored in lower 8 bits of each
+/// 16-bit integer stored in \a __B. Results are saturated.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// dst.bf8[i] := convert_fp16_to_bf8_with_bias_saturate(__A.int8[2 * i], __B.fp16[i])
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTBIASPH2BF8S instruction.
+///
+/// \param __A
+/// A 256-bit vector of [16 x int16].
+/// \param __B
+/// A 256-bit vector of [16 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x bf8]. Elements correspond to the
+/// converted elements from \a __B using biases from \a __A.
static __inline__ __m128i __DEFAULT_FN_ATTRS256
_mm256_cvtbiassph_bf8(__m256i __A, __m256h __B) {
return (__m128i)__builtin_ia32_vcvtbiasph2bf8s_256_mask(
@@ -142,12 +757,76 @@ _mm256_cvtbiassph_bf8(__m256i __A, __m256h __B) {
(__mmask16)-1);
}
+/// Convert 256-bit vector \a __B containing packed FP16 floating-point elements
+/// to FP8 E5M2 numbers, using conversion biases stored in lower 8 bits of each
+/// 16-bit integer stored in \a __B. Results are saturated. Merging mask \a __U
+/// is used to determine if given element should be taken from \a __W instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// dst.bf8[i] := convert_fp16_to_bf8_with_bias_saturate(__A.int8[2 * i], __B.fp16[i])
+/// ELSE
+/// dst.bf8[i] := __W.bf8[i]
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTBIASPH2BF8S instruction.
+///
+/// \param __W
+/// A 128-bit vector of [16 x bf8].
+/// \param __U
+/// A 16-bit merging mask.
+/// \param __A
+/// A 256-bit vector of [16 x int16].
+/// \param __B
+/// A 256-bit vector of [16 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x bf8]. Elements correspond to the converted
+/// elements from \a __B, using biases from \a __A. If corresponding mask bit
+/// is not set, then element from \a __W is taken instead.
static __inline__ __m128i __DEFAULT_FN_ATTRS256 _mm256_mask_cvtbiassph_bf8(
__m128i __W, __mmask16 __U, __m256i __A, __m256h __B) {
return (__m128i)__builtin_ia32_vcvtbiasph2bf8s_256_mask(
(__v32qi)__A, (__v16hf)__B, (__v16qi)(__m128i)__W, (__mmask16)__U);
}
+/// Convert 256-bit vector \a __B containing packed FP16 floating-point elements
+/// to FP8 E5M2 numbers, using conversion biases stored in lower 8 bits of each
+/// 16-bit integer stored in \a __B. Results are saturated. Zeroing mask \a __U
+/// is used to determine if given element should be zeroed instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// dst.bf8[i] := convert_fp16_to_bf8_with_bias_saturate(__A.int8[2 * i], __B.fp16[i])
+/// ELSE
+/// dst.bf8[i] := 0
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTBIASPH2BF8S instruction.
+///
+/// \param __U
+/// A 16-bit zeroing mask.
+/// \param __A
+/// A 256-bit vector of [16 x int16].
+/// \param __B
+/// A 256-bit vector of [16 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x bf8]. Elements correspond to the converted
+/// elements from \a __B, using biases from \a __A. If corresponding mask bit
+/// is not set, then element is zeroed.
static __inline__ __m128i __DEFAULT_FN_ATTRS256
_mm256_maskz_cvtbiassph_bf8(__mmask16 __U, __m256i __A, __m256h __B) {
return (__m128i)__builtin_ia32_vcvtbiasph2bf8s_256_mask(
@@ -155,18 +834,108 @@ _mm256_maskz_cvtbiassph_bf8(__mmask16 __U, __m256i __A, __m256h __B) {
(__mmask16)__U);
}
-static __inline__ __m128i __DEFAULT_FN_ATTRS128 _mm_cvtbiasph_hf8(__m128i __A,
- __m128h __B) {
+/// Convert 128-bit vector \a __B containing packed FP16 floating-point elements
+/// to FP8 E4M3 numbers, using conversion biases stored in lower 8 bits of each
+/// 16-bit integer stored in \a __B.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// dst.hf8[i] := convert_fp16_to_hf8_with_bias(__A.int8[2 * i], __B.fp16[i])
+/// ENDFOR
+///
+/// dst[MAX:64] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTBIASPH2HF8 instruction.
+///
+/// \param __A
+/// A 128-bit vector of [8 x int16].
+/// \param __B
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x hf8]. Lower elements correspond to the
+/// converted elements from \a __B using biases from \a __A; higher order
+/// elements are zeroed.
+static __inline__ __m128i __DEFAULT_FN_ATTRS128
+_mm_cvtbiasph_hf8(__m128i __A, __m128h __B) {
return (__m128i)__builtin_ia32_vcvtbiasph2hf8_128_mask(
(__v16qi)__A, (__v8hf)__B, (__v16qi)_mm_undefined_si128(), (__mmask8)-1);
}
+/// Convert 128-bit vector \a __B containing packed FP16 floating-point elements
+/// to FP8 E4M3 numbers, using conversion biases stored in lower 8 bits of each
+/// 16-bit integer stored in \a __B. Merging mask \a __U is used to determine if
+/// given element should be taken from \a __W instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// IF __U[i]
+/// dst.hf8[i] := convert_fp16_to_hf8_with_bias(__A.int8[2 * i], __B.fp16[i])
+/// ELSE
+/// dst.hf8[i] := __W.hf8[i]
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:64] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTBIASPH2HF8 instruction.
+///
+/// \param __W
+/// A 128-bit vector of [16 x hf8].
+/// \param __U
+/// A 8-bit merging mask.
+/// \param __A
+/// A 128-bit vector of [8 x int16].
+/// \param __B
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x hf8]. Lower elements correspond to the
+/// converted elements from \a __B, using biases from \a __A; higher order
+/// elements are zeroed. If corresponding mask bit is not set, then element
+/// from \a __W is taken instead.
static __inline__ __m128i __DEFAULT_FN_ATTRS128
_mm_mask_cvtbiasph_hf8(__m128i __W, __mmask8 __U, __m128i __A, __m128h __B) {
return (__m128i)__builtin_ia32_vcvtbiasph2hf8_128_mask(
(__v16qi)__A, (__v8hf)__B, (__v16qi)(__m128i)__W, (__mmask8)__U);
}
+/// Convert 128-bit vector \a __B containing packed FP16 floating-point elements
+/// to FP8 E4M3 numbers, using conversion biases stored in lower 8 bits of each
+/// 16-bit integer stored in \a __B. Zeroing mask \a __U is used to determine if
+/// given element should be zeroed instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// IF __U[i]
+/// dst.hf8[i] := convert_fp16_to_hf8_with_bias(__A.int8[2 * i], __B.fp16[i])
+/// ELSE
+/// dst.hf8[i] := 0
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:64] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTBIASPH2HF8 instruction.
+///
+/// \param __U
+/// A 8-bit zeroing mask.
+/// \param __A
+/// A 128-bit vector of [8 x int16].
+/// \param __B
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x hf8]. Lower elements correspond to the
+/// converted elements from \a __B, using biases from \a __A; higher order
+/// elements are zeroed. If corresponding mask bit is not set, then element
+/// is zeroed.
static __inline__ __m128i __DEFAULT_FN_ATTRS128
_mm_maskz_cvtbiasph_hf8(__mmask8 __U, __m128i __A, __m128h __B) {
return (__m128i)__builtin_ia32_vcvtbiasph2hf8_128_mask(
@@ -174,6 +943,29 @@ _mm_maskz_cvtbiasph_hf8(__mmask8 __U, __m128i __A, __m128h __B) {
(__mmask8)__U);
}
+/// Convert 256-bit vector \a __B containing packed FP16 floating-point elements
+/// to FP8 E4M3 numbers, using conversion biases stored in lower 8 bits of each
+/// 16-bit integer stored in \a __B.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// dst.hf8[i] := convert_fp16_to_hf8_with_bias(__A.int8[2 * i], __B.fp16[i])
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTBIASPH2HF8 instruction.
+///
+/// \param __A
+/// A 256-bit vector of [16 x half].
+/// \param __B
+/// A 256-bit vector of [16 x i16].
+/// \returns
+/// A 128-bit vector of [16 x hf8]. Elements correspond to the
+/// converted elements from \a __B using biases from \a __A.
static __inline__ __m128i __DEFAULT_FN_ATTRS256
_mm256_cvtbiasph_hf8(__m256i __A, __m256h __B) {
return (__m128i)__builtin_ia32_vcvtbiasph2hf8_256_mask(
@@ -181,12 +973,76 @@ _mm256_cvtbiasph_hf8(__m256i __A, __m256h __B) {
(__mmask16)-1);
}
+/// Convert 256-bit vector \a __B containing packed FP16 floating-point elements
+/// to FP8 E4M3 numbers, using conversion biases stored in lower 8 bits of each
+/// 16-bit integer stored in \a __B. Merging mask \a __U is used to determine if
+/// given element should be taken from \a __W instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// dst.hf8[i] := convert_fp16_to_hf8_with_bias(__A.int8[2 * i], __B.fp16[i])
+/// ELSE
+/// dst.hf8[i] := __W.hf8[i]
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTBIASPH2HF8 instruction.
+///
+/// \param __W
+/// A 128-bit vector of [16 x hf8].
+/// \param __U
+/// A 16-bit merging mask.
+/// \param __A
+/// A 256-bit vector of [16 x int16].
+/// \param __B
+/// A 256-bit vector of [16 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x hf8]. Elements correspond to the converted
+/// elements from \a __B, using biases from \a __A. If corresponding mask bit
+/// is not set, then element from \a __W is taken instead.
static __inline__ __m128i __DEFAULT_FN_ATTRS256 _mm256_mask_cvtbiasph_hf8(
__m128i __W, __mmask16 __U, __m256i __A, __m256h __B) {
return (__m128i)__builtin_ia32_vcvtbiasph2hf8_256_mask(
(__v32qi)__A, (__v16hf)__B, (__v16qi)(__m128i)__W, (__mmask16)__U);
}
+/// Convert 256-bit vector \a __B containing packed FP16 floating-point elements
+/// to FP8 E4M3 numbers, using conversion biases stored in lower 8 bits of each
+/// 16-bit integer stored in \a __B. Zeroing mask \a __U is used to determine if
+/// given element should be taken zeroed instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// dst.hf8[i] := convert_fp16_to_hf8_with_bias(__A.int8[2 * i], __B.fp16[i])
+/// ELSE
+/// dst.hf8[i] := 0
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTBIASPH2HF8 instruction.
+///
+/// \param __U
+/// A 16-bit zeroing mask.
+/// \param __A
+/// A 256-bit vector of [16 x half].
+/// \param __B
+/// A 256-bit vector of [16 x i16].
+/// \returns
+/// A 128-bit vector of [16 x hf8]. Elements correspond to the converted
+/// elements from \a __B, using biases from \a __A. If corresponding mask bit
+/// is not set, then element is zeroed.
static __inline__ __m128i __DEFAULT_FN_ATTRS256
_mm256_maskz_cvtbiasph_hf8(__mmask16 __U, __m256i __A, __m256h __B) {
return (__m128i)__builtin_ia32_vcvtbiasph2hf8_256_mask(
@@ -194,18 +1050,108 @@ _mm256_maskz_cvtbiasph_hf8(__mmask16 __U, __m256i __A, __m256h __B) {
(__mmask16)__U);
}
+/// Convert 128-bit vector \a __B containing packed FP16 floating-point elements
+/// to FP8 E4M3 numbers, using conversion biases stored in lower 8 bits of each
+/// 16-bit integer stored in \a __B. Results are saturated.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// dst.hf8[i] := convert_fp16_to_hf8_with_bias_saturate(__A.int8[2 * i], __B.fp16[i])
+/// ENDFOR
+///
+/// dst[MAX:64] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTBIASPH2HF8S`instruction.
+///
+/// \param __A
+/// A 128-bit vector of [8 x int16].
+/// \param __B
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x hf8]. Lower elements correspond to the
+/// converted elements from \a __B using biases from \a __A; higher order
+/// elements are zeroed.
static __inline__ __m128i __DEFAULT_FN_ATTRS128
_mm_cvtbiassph_hf8(__m128i __A, __m128h __B) {
return (__m128i)__builtin_ia32_vcvtbiasph2hf8s_128_mask(
(__v16qi)__A, (__v8hf)__B, (__v16qi)_mm_undefined_si128(), (__mmask8)-1);
}
+/// Convert 128-bit vector \a __B containing packed FP16 floating-point elements
+/// to FP8 E4M3 numbers, using conversion biases stored in lower 8 bits of each
+/// 16-bit integer stored in \a __B. Results are saturated. Merging mask \a __U
+/// is used to determine if given element should be taken from \a __W instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// IF __U[i]
+/// dst.hf8[i] := convert_fp16_to_hf8_with_bias_saturate(__A.int8[2 * i], __B.fp16[i])
+/// ELSE
+/// dst.hf8[i] := __W.hf8[i]
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:64] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTBIASPH2HF8S instruction.
+///
+/// \param __W
+/// A 128-bit vector of [16 x hf8].
+/// \param __U
+/// A 8-bit merging mask.
+/// \param __A
+/// A 128-bit vector of [8 x int16].
+/// \param __B
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x hf8]. Lower elements correspond to the
+/// converted elements from \a __B, using biases from \a __A; higher order
+/// elements are zeroed. If corresponding mask bit is not set, then element
+/// from \a __W is taken instead.
static __inline__ __m128i __DEFAULT_FN_ATTRS128
_mm_mask_cvtbiassph_hf8(__m128i __W, __mmask8 __U, __m128i __A, __m128h __B) {
return (__m128i)__builtin_ia32_vcvtbiasph2hf8s_128_mask(
(__v16qi)__A, (__v8hf)__B, (__v16qi)(__m128i)__W, (__mmask8)__U);
}
+/// Convert 128-bit vector \a __B containing packed FP16 floating-point elements
+/// to FP8 E4M3 numbers, using conversion biases stored in lower 8 bits of each
+/// 16-bit integer stored in \a __B. Results are saturated. Zeroing mask \a __U
+/// is used to determine if given element should be zeroed instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// IF __U[i]
+/// dst.hf8[i] := convert_fp16_to_hf8_with_bias_saturate(__A.int8[2 * i], __B.fp16[i])
+/// ELSE
+/// dst.hf8[i] := 0
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:64] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTBIASPH2HF8S instruction.
+///
+/// \param __U
+/// A 8-bit zeroing mask.
+/// \param __A
+/// A 128-bit vector of [8 x int16].
+/// \param __B
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x hf8]. Lower elements correspond to the
+/// converted elements from \a __B, using biases from \a __A; higher order
+/// elements are zeroed. If corresponding mask bit is not set, then element
+/// is zeroed.
static __inline__ __m128i __DEFAULT_FN_ATTRS128
_mm_maskz_cvtbiassph_hf8(__mmask8 __U, __m128i __A, __m128h __B) {
return (__m128i)__builtin_ia32_vcvtbiasph2hf8s_128_mask(
@@ -213,6 +1159,29 @@ _mm_maskz_cvtbiassph_hf8(__mmask8 __U, __m128i __A, __m128h __B) {
(__mmask8)__U);
}
+/// Convert 256-bit vector \a __B containing packed FP16 floating-point elements
+/// to FP8 E4M3 numbers, using conversion biases stored in lower 8 bits of each
+/// 16-bit integer stored in \a __B. Results are saturated.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// dst.hf8[i] := convert_fp16_to_hf8_with_bias_saturate(__A.int8[2 * i], __B.fp16[i])
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTBIASPH2HF8S instruction.
+///
+/// \param __A
+/// A 256-bit vector of [16 x int16].
+/// \param __B
+/// A 256-bit vector of [16 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x hf8]. Elements correspond to the
+/// converted elements from \a __B using biases from \a __A.
static __inline__ __m128i __DEFAULT_FN_ATTRS256
_mm256_cvtbiassph_hf8(__m256i __A, __m256h __B) {
return (__m128i)__builtin_ia32_vcvtbiasph2hf8s_256_mask(
@@ -220,12 +1189,76 @@ _mm256_cvtbiassph_hf8(__m256i __A, __m256h __B) {
(__mmask16)-1);
}
+/// Convert 256-bit vector \a __B containing packed FP16 floating-point elements
+/// to FP8 E4M3 numbers, using conversion biases stored in lower 8 bits of each
+/// 16-bit integer stored in \a __B. Results are saturated. Merging mask \a __U
+/// is used to determine if given element should be taken from \a __W instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// dst.hf8[i] := convert_fp16_to_hf8_with_bias_saturate(__A.int8[2 * i], __B.fp16[i])
+/// ELSE
+/// dst.hf8[i] := __W.hf8[i]
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTBIASPH2HF8S instruction.
+///
+/// \param __W
+/// A 128-bit vector of [16 x hf8].
+/// \param __U
+/// A 16-bit merging mask.
+/// \param __A
+/// A 256-bit vector of [16 x int16].
+/// \param __B
+/// A 256-bit vector of [16 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x hf8]. Elements correspond to the converted
+/// elements from \a __B, using biases from \a __A. If corresponding mask bit
+/// is not set, then element from \a __W is taken instead.
static __inline__ __m128i __DEFAULT_FN_ATTRS256 _mm256_mask_cvtbiassph_hf8(
__m128i __W, __mmask16 __U, __m256i __A, __m256h __B) {
return (__m128i)__builtin_ia32_vcvtbiasph2hf8s_256_mask(
(__v32qi)__A, (__v16hf)__B, (__v16qi)(__m128i)__W, (__mmask16)__U);
}
+/// Convert 256-bit vector \a __B containing packed FP16 floating-point elements
+/// to FP8 E4M3 numbers, using conversion biases stored in lower 8 bits of each
+/// 16-bit integer stored in \a __B. Results are saturated. Zeroing mask \a __U
+/// is used to determine if given element should be zeroed instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// dst.hf8[i] := convert_fp16_to_hf8_with_bias_saturate(__A.int8[2 * i], __B.fp16[i])
+/// ELSE
+/// dst.hf8[i] := 0
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTBIASPH2HF8S instruction.
+///
+/// \param __U
+/// A 16-bit zeroing mask.
+/// \param __A
+/// A 256-bit vector of [16 x int16].
+/// \param __B
+/// A 256-bit vector of [16 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x hf8]. Elements correspond to the converted
+/// elements from \a __B, using biases from \a __A. If corresponding mask bit
+/// is not set, then element is zeroed.
static __inline__ __m128i __DEFAULT_FN_ATTRS256
_mm256_maskz_cvtbiassph_hf8(__mmask16 __U, __m256i __A, __m256h __B) {
return (__m128i)__builtin_ia32_vcvtbiasph2hf8s_256_mask(
@@ -233,17 +1266,119 @@ _mm256_maskz_cvtbiassph_hf8(__mmask16 __U, __m256i __A, __m256h __B) {
(__mmask16)__U);
}
+/// Convert two 128-bit vectors, \a __A and \a __B, containing packed FP16
+/// floating-point elements to a 128-bit vector containing E5M2 FP8 elements.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF i < 8
+/// dst.bf8[i] := convert_fp16_to_bf8(__B.fp16[i])
+/// ELSE
+/// dst.bf8[i] := convert_fp16_to_bf8(__A.fp16[i - 8])
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PH2BF8 instruction.
+///
+/// \param __A
+/// A 128-bit vector of [8 x fp16].
+/// \param __B
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x bf8]. Lower 8 elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A.
static __inline__ __m128i __DEFAULT_FN_ATTRS128 _mm_cvt2ph_bf8(__m128h __A,
- __m128h __B) {
- return (__m128i)__builtin_ia32_vcvt2ph2bf8_128((__v8hf)(__A), (__v8hf)(__B));
-}
-
+ __m128h __B) {
+ return (__m128i)__builtin_ia32_vcvt2ph2bf8_128((__v8hf)(__A),
+ (__v8hf)(__B));
+}
+
+/// Convert two 128-bit vectors, \a __A and \a __B, containing packed FP16
+/// floating-point elements to a 128-bit vector containing E5M2 FP8 elements.
+/// Merging mask \a __U is used to determine if given element should be taken
+/// from \a __W instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// IF i < 8
+/// dst.bf8[i] := convert_fp16_to_bf8(__B.fp16[i])
+/// ELSE
+/// dst.bf8[i] := convert_fp16_to_bf8(__A.fp16[i - 8])
+/// FI
+/// ELSE
+/// dst.bf8[i] := __W.bf8[i]
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PH2BF8 instruction.
+///
+/// \param __W
+/// A 128-bit vector of [16 x bf8].
+/// \param __U
+/// A 16-bit merging mask.
+/// \param __A
+/// A 128-bit vector of [8 x fp16].
+/// \param __B
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x bf8]. Lower 8 elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set, then
+/// element from \a __W is taken instead.
static __inline__ __m128i __DEFAULT_FN_ATTRS128
_mm_mask_cvt2ph_bf8(__m128i __W, __mmask16 __U, __m128h __A, __m128h __B) {
return (__m128i)__builtin_ia32_selectb_128(
(__mmask16)__U, (__v16qi)_mm_cvt2ph_bf8(__A, __B), (__v16qi)__W);
}
+/// Convert two 128-bit vectors, \a __A and \a __B, containing packed FP16
+/// floating-point elements to a 128-bit vector containing E5M2 FP8 elements.
+/// Zeroing mask \a __U is used to determine if given element should be zeroed
+/// instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// IF i < 8
+/// dst.bf8[i] := convert_fp16_to_bf8(__B.fp16[i])
+/// ELSE
+/// dst.bf8[i] := convert_fp16_to_bf8(__A.fp16[i - 8])
+/// FI
+/// ELSE
+/// dst.bf8[i] := 0
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PH2BF8 instruction.
+///
+/// \param __U
+/// A 16-bit zeroing mask.
+/// \param __A
+/// A 128-bit vector of [8 x fp16].
+/// \param __B
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x bf8]. Lower 8 elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set, then
+/// zero is taken instead.
static __inline__ __m128i __DEFAULT_FN_ATTRS128
_mm_maskz_cvt2ph_bf8(__mmask16 __U, __m128h __A, __m128h __B) {
return (__m128i)__builtin_ia32_selectb_128(
@@ -251,18 +1386,119 @@ _mm_maskz_cvt2ph_bf8(__mmask16 __U, __m128h __A, __m128h __B) {
(__v16qi)(__m128i)_mm_setzero_si128());
}
-static __inline__ __m256i __DEFAULT_FN_ATTRS256 _mm256_cvt2ph_bf8(__m256h __A,
- __m256h __B) {
- return (__m256i)__builtin_ia32_vcvt2ph2bf8_256((__v16hf)(__A),
- (__v16hf)(__B));
-}
-
+/// Convert two 256-bit vectors, \a __A and \a __B, containing packed FP16
+/// floating-point elements to a 256-bit vector containing E5M2 FP8 elements.
+///
+/// \code{.operation}
+/// FOR i := 0 to 31
+/// IF i < 16
+/// dst.bf8[i] := convert_fp16_to_bf8(__B.fp16[i])
+/// ELSE
+/// dst.bf8[i] := convert_fp16_to_bf8(__A.fp16[i - 16])
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:256] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PH2BF8 instruction.
+///
+/// \param __A
+/// A 256-bit vector of [16 x fp16].
+/// \param __B
+/// A 256-bit vector of [16 x fp16].
+/// \returns
+/// A 256-bit vector of [32 x bf8]. Lower 16 elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A.
static __inline__ __m256i __DEFAULT_FN_ATTRS256
-_mm256_mask_cvt2ph_bf8(__m256i __W, __mmask32 __U, __m256h __A, __m256h __B) {
+_mm256_cvt2ph_bf8(__m256h __A, __m256h __B) {
+ return (__m256i)__builtin_ia32_vcvt2ph2bf8_256((__v16hf)(__A),
+ (__v16hf)(__B));
+}
+
+/// Convert two 256-bit vectors, \a __A and \a __B, containing packed FP16
+/// floating-point elements to a 256-bit vector containing E5M2 FP8 elements.
+/// Merging mask \a __U is used to determine if given element should be taken
+/// from \a __W instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 31
+/// IF __U[i]
+/// IF i < 16
+/// dst.bf8[i] := convert_fp16_to_bf8(__B.fp16[i])
+/// ELSE
+/// dst.bf8[i] := convert_fp16_to_bf8(__A.fp16[i - 16])
+/// FI
+/// ELSE
+/// dst.bf8[i] := __W.bf8[i]
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:256] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PH2BF8 instruction.
+///
+/// \param __W
+/// A 256-bit vector of [32 x bf8].
+/// \param __U
+/// A 32-bit merging mask.
+/// \param __A
+/// A 256-bit vector of [16 x fp16].
+/// \param __B
+/// A 256-bit vector of [16 x fp16].
+/// \returns
+/// A 256-bit vector of [32 x bf8]. Lower 16 elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set, then
+/// element from \a __W is taken instead.
+static __inline__ __m256i __DEFAULT_FN_ATTRS256 _mm256_mask_cvt2ph_bf8(
+ __m256i __W, __mmask32 __U, __m256h __A, __m256h __B) {
return (__m256i)__builtin_ia32_selectb_256(
(__mmask32)__U, (__v32qi)_mm256_cvt2ph_bf8(__A, __B), (__v32qi)__W);
}
+/// Convert two 256-bit vectors, \a __A and \a __B, containing packed FP16
+/// floating-point elements to a 256-bit vector containing E5M2 FP8 elements.
+/// Zeroing mask \a __U is used to determine if given element should be zeroed
+/// instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 31
+/// IF __U[i]
+/// IF i < 16
+/// dst.bf8[i] := convert_fp16_to_bf8(__B.fp16[i])
+/// ELSE
+/// dst.bf8[i] := convert_fp16_to_bf8(__A.fp16[i - 16])
+/// FI
+/// ELSE
+/// dst.bf8[i] := 0
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:256] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PH2BF8 instruction.
+///
+/// \param __U
+/// A 32-bit zeroing mask.
+/// \param __A
+/// A 256-bit vector of [16 x fp16].
+/// \param __B
+/// A 256-bit vector of [16 x fp16].
+/// \returns
+/// A 256-bit vector of [32 x bf8]. Lower 16 elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set,
+/// zero is taken instead.
static __inline__ __m256i __DEFAULT_FN_ATTRS256
_mm256_maskz_cvt2ph_bf8(__mmask32 __U, __m256h __A, __m256h __B) {
return (__m256i)__builtin_ia32_selectb_256(
@@ -270,17 +1506,120 @@ _mm256_maskz_cvt2ph_bf8(__mmask32 __U, __m256h __A, __m256h __B) {
(__v32qi)(__m256i)_mm256_setzero_si256());
}
-static __inline__ __m128i __DEFAULT_FN_ATTRS128 _mm_cvts2ph_bf8(__m128h __A,
- __m128h __B) {
- return (__m128i)__builtin_ia32_vcvt2ph2bf8s_128((__v8hf)(__A), (__v8hf)(__B));
-}
-
+/// Convert two 128-bit vectors, \a __A and \a __B, containing packed FP16
+/// floating-point elements to a 128-bit vector containing E5M2 FP8 elements.
+/// Resulting elements are saturated in case of overflow.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF i < 8
+/// dst.bf8[i] := convert_fp16_to_bf8_saturate(__B.fp16[i])
+/// ELSE
+/// dst.bf8[i] := convert_fp16_to_bf8_saturate(__A.fp16[i - 8])
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PH2BF8S instruction.
+///
+/// \param __A
+/// A 128-bit vector of [8 x fp16].
+/// \param __B
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x bf8]. Lower 8 elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A.
+static __inline__ __m128i __DEFAULT_FN_ATTRS128
+_mm_cvts2ph_bf8(__m128h __A, __m128h __B) {
+ return (__m128i)__builtin_ia32_vcvt2ph2bf8s_128((__v8hf)(__A),
+ (__v8hf)(__B));
+}
+
+/// Convert two 128-bit vectors, \a __A and \a __B, containing packed FP16
+/// floating-point elements to a 128-bit vector containing E5M2 FP8 elements.
+/// Merging mask \a __U is used to determine if given element should be taken
+/// from \a __W instead. Resulting elements are saturated in case of overflow.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// IF i < 8
+/// dst.bf8[i] := convert_fp16_to_bf8_saturate(__B.fp16[i])
+/// ELSE
+/// dst.bf8[i] := convert_fp16_to_bf8_saturate(__A.fp16[i - 8])
+/// FI
+/// ELSE
+/// dst.bf8[i] := __W.bf8[i]
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PH2BF8S instruction.
+///
+/// \param __W
+/// A 128-bit vector of [16 x bf8].
+/// \param __U
+/// A 16-bit merging mask.
+/// \param __A
+/// A 128-bit vector of [8 x fp16].
+/// \param __B
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x bf8]. Lower 8 elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set, then
+/// element from \a __W is taken instead.
static __inline__ __m128i __DEFAULT_FN_ATTRS128
_mm_mask_cvts2ph_bf8(__m128i __W, __mmask16 __U, __m128h __A, __m128h __B) {
return (__m128i)__builtin_ia32_selectb_128(
(__mmask16)__U, (__v16qi)_mm_cvts2ph_bf8(__A, __B), (__v16qi)__W);
}
+/// Convert two 128-bit vectors, \a __A and \a __B, containing packed FP16
+/// floating-point elements to a 128-bit vector containing E5M2 FP8 elements.
+/// Zeroing mask \a __U is used to determine if given element should be zeroed
+/// instead. Resulting elements are saturated in case of overflow.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// IF i < 8
+/// dst.bf8[i] := convert_fp16_to_bf8_saturate(__B.fp16[i])
+/// ELSE
+/// dst.bf8[i] := convert_fp16_to_bf8_saturate(__A.fp16[i - 8])
+/// FI
+/// ELSE
+/// dst.bf8[i] := 0
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PH2BF8S instruction.
+///
+/// \param __U
+/// A 16-bit zeroing mask.
+/// \param __A
+/// A 128-bit vector of [8 x fp16].
+/// \param __B
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x bf8]. Lower 8 elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set, then
+/// zero is taken instead.
static __inline__ __m128i __DEFAULT_FN_ATTRS128
_mm_maskz_cvts2ph_bf8(__mmask16 __U, __m128h __A, __m128h __B) {
return (__m128i)__builtin_ia32_selectb_128(
@@ -288,18 +1627,120 @@ _mm_maskz_cvts2ph_bf8(__mmask16 __U, __m128h __A, __m128h __B) {
(__v16qi)(__m128i)_mm_setzero_si128());
}
+/// Convert two 256-bit vectors, \a __A and \a __B, containing packed FP16
+/// floating-point elements to a 256-bit vector containing E5M2 FP8 elements.
+/// Resulting elements are saturated in case of overflow.
+///
+/// \code{.operation}
+/// FOR i := 0 to 31
+/// IF i < 16
+/// dst.bf8[i] := convert_fp16_to_bf8_saturate(__B.fp16[i])
+/// ELSE
+/// dst.bf8[i] := convert_fp16_to_bf8_saturate(__A.fp16[i - 16])
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:256] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PH2BF8S instruction.
+///
+/// \param __A
+/// A 256-bit vector of [16 x fp16].
+/// \param __B
+/// A 256-bit vector of [16 x fp16].
+/// \returns
+/// A 256-bit vector of [32 x bf8]. Lower 16 elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A.
static __inline__ __m256i __DEFAULT_FN_ATTRS256
_mm256_cvts2ph_bf8(__m256h __A, __m256h __B) {
return (__m256i)__builtin_ia32_vcvt2ph2bf8s_256((__v16hf)(__A),
- (__v16hf)(__B));
-}
-
-static __inline__ __m256i __DEFAULT_FN_ATTRS256
-_mm256_mask_cvts2ph_bf8(__m256i __W, __mmask32 __U, __m256h __A, __m256h __B) {
+ (__v16hf)(__B));
+}
+
+/// Convert two 256-bit vectors, \a __A and \a __B, containing packed FP16
+/// floating-point elements to a 256-bit vector containing E5M2 FP8 elements.
+/// Merging mask \a __U is used to determine if given element should be taken
+/// from \a __W instead. Resulting elements are saturated in case of overflow.
+///
+/// \code{.operation}
+/// FOR i := 0 to 31
+/// IF __U[i]
+/// IF i < 16
+/// dst.bf8[i] := convert_fp16_to_bf8_saturate(__B.fp16[i])
+/// ELSE
+/// dst.bf8[i] := convert_fp16_to_bf8_saturate(__A.fp16[i - 16])
+/// FI
+/// ELSE
+/// dst.bf8[i] := __W.bf8[i]
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:256] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PH2BF8S instruction.
+///
+/// \param __W
+/// A 256-bit vector of [32 x bf8].
+/// \param __U
+/// A 32-bit merging mask.
+/// \param __A
+/// A 256-bit vector of [16 x fp16].
+/// \param __B
+/// A 256-bit vector of [16 x fp16].
+/// \returns
+/// A 256-bit vector of [32 x bf8]. Lower 16 elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set, then
+/// element from \a __W is taken instead.
+static __inline__ __m256i __DEFAULT_FN_ATTRS256 _mm256_mask_cvts2ph_bf8(
+ __m256i __W, __mmask32 __U, __m256h __A, __m256h __B) {
return (__m256i)__builtin_ia32_selectb_256(
(__mmask32)__U, (__v32qi)_mm256_cvts2ph_bf8(__A, __B), (__v32qi)__W);
}
+/// Convert two 256-bit vectors, \a __A and \a __B, containing packed FP16
+/// floating-point elements to a 256-bit vector containing E5M2 FP8 elements.
+/// Zeroing mask \a __U is used to determine if given element should be zeroed
+/// instead. Resulting elements are saturated in case of overflow.
+///
+/// \code{.operation}
+/// FOR i := 0 to 31
+/// IF __U[i]
+/// IF i < 16
+/// dst.bf8[i] := convert_fp16_to_bf8_saturate(__B.fp16[i])
+/// ELSE
+/// dst.bf8[i] := convert_fp16_to_bf8_saturate(__A.fp16[i - 16])
+/// FI
+/// ELSE
+/// dst.bf8[i] := 0
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:256] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PH2BF8S instruction.
+///
+/// \param __U
+/// A 32-bit zeroing mask.
+/// \param __A
+/// A 256-bit vector of [16 x fp16].
+/// \param __B
+/// A 256-bit vector of [16 x fp16].
+/// \returns
+/// A 256-bit vector of [32 x bf8]. Lower 16 elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set,
+/// zero is taken instead.
static __inline__ __m256i __DEFAULT_FN_ATTRS256
_mm256_maskz_cvts2ph_bf8(__mmask32 __U, __m256h __A, __m256h __B) {
return (__m256i)__builtin_ia32_selectb_256(
@@ -307,17 +1748,119 @@ _mm256_maskz_cvts2ph_bf8(__mmask32 __U, __m256h __A, __m256h __B) {
(__v32qi)(__m256i)_mm256_setzero_si256());
}
+/// Convert two 128-bit vectors, \a __A and \a __B, containing packed FP16
+/// floating-point elements to a 128-bit vector containing E4M3 FP8 elements.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF i < 8
+/// dst.hf8[i] := convert_fp16_to_hf8(__B.fp16[i])
+/// ELSE
+/// dst.hf8[i] := convert_fp16_to_hf8(__A.fp16[i - 8])
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PH2HF8 instruction.
+///
+/// \param __A
+/// A 128-bit vector of [8 x fp16].
+/// \param __B
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x hf8]. Lower 8 elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A.
static __inline__ __m128i __DEFAULT_FN_ATTRS128 _mm_cvt2ph_hf8(__m128h __A,
- __m128h __B) {
- return (__m128i)__builtin_ia32_vcvt2ph2hf8_128((__v8hf)(__A), (__v8hf)(__B));
-}
-
+ __m128h __B) {
+ return (__m128i)__builtin_ia32_vcvt2ph2hf8_128((__v8hf)(__A),
+ (__v8hf)(__B));
+}
+
+/// Convert two 128-bit vectors, \a __A and \a __B, containing packed FP16
+/// floating-point elements to a 128-bit vector containing E4M3 FP8 elements.
+/// Merging mask \a __U is used to determine if given element should be taken
+/// from \a __W instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// IF i < 8
+/// dst.hf8[i] := convert_fp16_to_hf8(__B.fp16[i])
+/// ELSE
+/// dst.hf8[i] := convert_fp16_to_hf8(__A.fp16[i - 8])
+/// FI
+/// ELSE
+/// dst.hf8[i] := __W.hf8[i]
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PH2HF8 instruction.
+///
+/// \param __W
+/// A 128-bit vector of [16 x hf8].
+/// \param __U
+/// A 16-bit merging mask.
+/// \param __A
+/// A 128-bit vector of [8 x fp16].
+/// \param __B
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x hf8]. Lower 8 elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set, then
+/// element from \a __W is taken instead.
static __inline__ __m128i __DEFAULT_FN_ATTRS128
_mm_mask_cvt2ph_hf8(__m128i __W, __mmask16 __U, __m128h __A, __m128h __B) {
return (__m128i)__builtin_ia32_selectb_128(
(__mmask16)__U, (__v16qi)_mm_cvt2ph_hf8(__A, __B), (__v16qi)__W);
}
+/// Convert two 128-bit vectors, \a __A and \a __B, containing packed FP16
+/// floating-point elements to a 128-bit vector containing E4M3 FP8 elements.
+/// Zeroing mask \a __U is used to determine if given element should be zeroed
+/// instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// IF i < 8
+/// dst.hf8[i] := convert_fp16_to_hf8(__B.fp16[i])
+/// ELSE
+/// dst.hf8[i] := convert_fp16_to_hf8(__A.fp16[i - 8])
+/// FI
+/// ELSE
+/// dst.hf8[i] := 0
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PH2HF8 instruction.
+///
+/// \param __U
+/// A 16-bit zeroing mask.
+/// \param __A
+/// A 128-bit vector of [8 x fp16].
+/// \param __B
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x hf8]. Lower 8 elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set, then
+/// zero is taken instead.
static __inline__ __m128i __DEFAULT_FN_ATTRS128
_mm_maskz_cvt2ph_hf8(__mmask16 __U, __m128h __A, __m128h __B) {
return (__m128i)__builtin_ia32_selectb_128(
@@ -325,18 +1868,119 @@ _mm_maskz_cvt2ph_hf8(__mmask16 __U, __m128h __A, __m128h __B) {
(__v16qi)(__m128i)_mm_setzero_si128());
}
-static __inline__ __m256i __DEFAULT_FN_ATTRS256 _mm256_cvt2ph_hf8(__m256h __A,
- __m256h __B) {
- return (__m256i)__builtin_ia32_vcvt2ph2hf8_256((__v16hf)(__A),
- (__v16hf)(__B));
-}
-
+/// Convert two 256-bit vectors, \a __A and \a __B, containing packed FP16
+/// floating-point elements to a 256-bit vector containing E4M3 FP8 elements.
+///
+/// \code{.operation}
+/// FOR i := 0 to 31
+/// IF i < 16
+/// dst.hf8[i] := convert_fp16_to_hf8(__B.fp16[i])
+/// ELSE
+/// dst.hf8[i] := convert_fp16_to_hf8(__A.fp16[i - 16])
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:256] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PH2HF8 instruction.
+///
+/// \param __A
+/// A 256-bit vector of [16 x fp16].
+/// \param __B
+/// A 256-bit vector of [16 x fp16].
+/// \returns
+/// A 256-bit vector of [32 x hf8]. Lower 16 elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A.
static __inline__ __m256i __DEFAULT_FN_ATTRS256
-_mm256_mask_cvt2ph_hf8(__m256i __W, __mmask32 __U, __m256h __A, __m256h __B) {
+_mm256_cvt2ph_hf8(__m256h __A, __m256h __B) {
+ return (__m256i)__builtin_ia32_vcvt2ph2hf8_256((__v16hf)(__A),
+ (__v16hf)(__B));
+}
+
+/// Convert two 256-bit vectors, \a __A and \a __B, containing packed FP16
+/// floating-point elements to a 256-bit vector containing E4M3 FP8 elements.
+/// Merging mask \a __U is used to determine if given element should be taken
+/// from \a __W instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 31
+/// IF __U[i]
+/// IF i < 16
+/// dst.hf8[i] := convert_fp16_to_hf8(__B.fp16[i])
+/// ELSE
+/// dst.hf8[i] := convert_fp16_to_hf8(__A.fp16[i - 16])
+/// FI
+/// ELSE
+/// dst.hf8[i] := __W.hf8[i]
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:256] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PH2HF8 instruction.
+///
+/// \param __W
+/// A 256-bit vector of [32 x hf8].
+/// \param __U
+/// A 32-bit merging mask.
+/// \param __A
+/// A 256-bit vector of [16 x fp16].
+/// \param __B
+/// A 256-bit vector of [16 x fp16].
+/// \returns
+/// A 256-bit vector of [32 x hf8]. Lower 16 elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set, then
+/// element from \a __W is taken instead.
+static __inline__ __m256i __DEFAULT_FN_ATTRS256 _mm256_mask_cvt2ph_hf8(
+ __m256i __W, __mmask32 __U, __m256h __A, __m256h __B) {
return (__m256i)__builtin_ia32_selectb_256(
(__mmask32)__U, (__v32qi)_mm256_cvt2ph_hf8(__A, __B), (__v32qi)__W);
}
+/// Convert two 256-bit vectors, \a __A and \a __B, containing packed FP16
+/// floating-point elements to a 256-bit vector containing E4M3 FP8 elements.
+/// Zeroing mask \a __U is used to determine if given element should be zeroed
+/// instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 31
+/// IF __U[i]
+/// IF i < 16
+/// dst.hf8[i] := convert_fp16_to_hf8(__B.fp16[i])
+/// ELSE
+/// dst.hf8[i] := convert_fp16_to_hf8(__A.fp16[i - 16])
+/// FI
+/// ELSE
+/// dst.hf8[i] := 0
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:256] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PH2HF8 instruction.
+///
+/// \param __U
+/// A 32-bit zeroing mask.
+/// \param __A
+/// A 256-bit vector of [16 x fp16].
+/// \param __B
+/// A 256-bit vector of [16 x fp16].
+/// \returns
+/// A 256-bit vector of [32 x hf8]. Lower 16 elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set,
+/// zero is taken instead.
static __inline__ __m256i __DEFAULT_FN_ATTRS256
_mm256_maskz_cvt2ph_hf8(__mmask32 __U, __m256h __A, __m256h __B) {
return (__m256i)__builtin_ia32_selectb_256(
@@ -344,17 +1988,120 @@ _mm256_maskz_cvt2ph_hf8(__mmask32 __U, __m256h __A, __m256h __B) {
(__v32qi)(__m256i)_mm256_setzero_si256());
}
-static __inline__ __m128i __DEFAULT_FN_ATTRS128 _mm_cvts2ph_hf8(__m128h __A,
- __m128h __B) {
- return (__m128i)__builtin_ia32_vcvt2ph2hf8s_128((__v8hf)(__A), (__v8hf)(__B));
-}
-
+/// Convert two 128-bit vectors, \a __A and \a __B, containing packed FP16
+/// floating-point elements to a 128-bit vector containing E4M3 FP8 elements.
+/// Resulting elements are saturated in case of overflow.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF i < 8
+/// dst.hf8[i] := convert_fp16_to_hf8_saturate(__B.fp16[i])
+/// ELSE
+/// dst.hf8[i] := convert_fp16_to_hf8_saturate(__A.fp16[i - 8])
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PH2HF8S instruction.
+///
+/// \param __A
+/// A 128-bit vector of [8 x fp16].
+/// \param __B
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x hf8]. Lower 8 elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A.
+static __inline__ __m128i __DEFAULT_FN_ATTRS128
+_mm_cvts2ph_hf8(__m128h __A, __m128h __B) {
+ return (__m128i)__builtin_ia32_vcvt2ph2hf8s_128((__v8hf)(__A),
+ (__v8hf)(__B));
+}
+
+/// Convert two 128-bit vectors, \a __A and \a __B, containing packed FP16
+/// floating-point elements to a 128-bit vector containing E4M3 FP8 elements.
+/// Merging mask \a __U is used to determine if given element should be taken
+/// from \a __W instead. Resulting elements are saturated in case of overflow.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// IF i < 8
+/// dst.hf8[i] := convert_fp16_to_hf8_saturate(__B.fp16[i])
+/// ELSE
+/// dst.hf8[i] := convert_fp16_to_hf8_saturate(__A.fp16[i - 8])
+/// FI
+/// ELSE
+/// dst.hf8[i] := __W.hf8[i]
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PH2HF8S instruction.
+///
+/// \param __W
+/// A 128-bit vector of [16 x hf8].
+/// \param __U
+/// A 16-bit merging mask.
+/// \param __A
+/// A 128-bit vector of [8 x fp16].
+/// \param __B
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x hf8]. Lower 8 elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set, then
+/// element from \a __W is taken instead.
static __inline__ __m128i __DEFAULT_FN_ATTRS128
_mm_mask_cvts2ph_hf8(__m128i __W, __mmask16 __U, __m128h __A, __m128h __B) {
return (__m128i)__builtin_ia32_selectb_128(
(__mmask16)__U, (__v16qi)_mm_cvts2ph_hf8(__A, __B), (__v16qi)__W);
}
+/// Convert two 128-bit vectors, \a __A and \a __B, containing packed FP16
+/// floating-point elements to a 128-bit vector containing E4M3 FP8 elements.
+/// Zeroing mask \a __U is used to determine if given element should be zeroed
+/// instead. Resulting elements are saturated in case of overflow.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// IF i < 8
+/// dst.hf8[i] := convert_fp16_to_hf8_saturate(__B.fp16[i])
+/// ELSE
+/// dst.hf8[i] := convert_fp16_to_hf8_saturate(__A.fp16[i - 8])
+/// FI
+/// ELSE
+/// dst.hf8[i] := 0
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PH2HF8S instruction.
+///
+/// \param __U
+/// A 16-bit zeroing mask.
+/// \param __A
+/// A 128-bit vector of [8 x fp16].
+/// \param __B
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x hf8]. Lower 8 elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set, then
+/// zero is taken instead.
static __inline__ __m128i __DEFAULT_FN_ATTRS128
_mm_maskz_cvts2ph_hf8(__mmask16 __U, __m128h __A, __m128h __B) {
return (__m128i)__builtin_ia32_selectb_128(
@@ -362,18 +2109,120 @@ _mm_maskz_cvts2ph_hf8(__mmask16 __U, __m128h __A, __m128h __B) {
(__v16qi)(__m128i)_mm_setzero_si128());
}
+/// Convert two 256-bit vectors, \a __A and \a __B, containing packed FP16
+/// floating-point elements to a 256-bit vector containing E4M3 FP8 elements.
+/// Resulting elements are saturated in case of overflow.
+///
+/// \code{.operation}
+/// FOR i := 0 to 31
+/// IF i < 16
+/// dst.hf8[i] := convert_fp16_to_hf8_saturate(__B.fp16[i])
+/// ELSE
+/// dst.hf8[i] := convert_fp16_to_hf8_saturate(__A.fp16[i - 16])
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:256] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PH2HF8S instruction.
+///
+/// \param __A
+/// A 256-bit vector of [16 x fp16].
+/// \param __B
+/// A 256-bit vector of [16 x fp16].
+/// \returns
+/// A 256-bit vector of [32 x hf8]. Lower 16 elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A.
static __inline__ __m256i __DEFAULT_FN_ATTRS256
_mm256_cvts2ph_hf8(__m256h __A, __m256h __B) {
return (__m256i)__builtin_ia32_vcvt2ph2hf8s_256((__v16hf)(__A),
- (__v16hf)(__B));
-}
-
-static __inline__ __m256i __DEFAULT_FN_ATTRS256
-_mm256_mask_cvts2ph_hf8(__m256i __W, __mmask32 __U, __m256h __A, __m256h __B) {
+ (__v16hf)(__B));
+}
+
+/// Convert two 256-bit vectors, \a __A and \a __B, containing packed FP16
+/// floating-point elements to a 256-bit vector containing E4M3 FP8 elements.
+/// Merging mask \a __U is used to determine if given element should be taken
+/// from \a __W instead. Resulting elements are saturated in case of overflow.
+///
+/// \code{.operation}
+/// FOR i := 0 to 31
+/// IF __U[i]
+/// IF i < 16
+/// dst.hf8[i] := convert_fp16_to_hf8_saturate(__B.fp16[i])
+/// ELSE
+/// dst.hf8[i] := convert_fp16_to_hf8_saturate(__A.fp16[i - 16])
+/// FI
+/// ELSE
+/// dst.hf8[i] := __W.hf8[i]
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:256] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PH2HF8S instruction.
+///
+/// \param __W
+/// A 256-bit vector of [32 x hf8].
+/// \param __U
+/// A 32-bit merging mask.
+/// \param __A
+/// A 256-bit vector of [16 x fp16].
+/// \param __B
+/// A 256-bit vector of [16 x fp16].
+/// \returns
+/// A 256-bit vector of [32 x hf8]. Lower 16 elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set, then
+/// element from \a __W is taken instead.
+static __inline__ __m256i __DEFAULT_FN_ATTRS256 _mm256_mask_cvts2ph_hf8(
+ __m256i __W, __mmask32 __U, __m256h __A, __m256h __B) {
return (__m256i)__builtin_ia32_selectb_256(
(__mmask32)__U, (__v32qi)_mm256_cvts2ph_hf8(__A, __B), (__v32qi)__W);
}
+/// Convert two 256-bit vectors, \a __A and \a __B, containing packed FP16
+/// floating-point elements to a 256-bit vector containing E4M3 FP8 elements.
+/// Zeroing mask \a __U is used to determine if given element should be zeroed
+/// instead. Resulting elements are saturated in case of overflow.
+///
+/// \code{.operation}
+/// FOR i := 0 to 31
+/// IF __U[i]
+/// IF i < 16
+/// dst.hf8[i] := convert_fp16_to_hf8_saturate(__B.fp16[i])
+/// ELSE
+/// dst.hf8[i] := convert_fp16_to_hf8_saturate(__A.fp16[i - 16])
+/// FI
+/// ELSE
+/// dst.hf8[i] := 0
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:256] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVT2PH2HF8S instruction.
+///
+/// \param __U
+/// A 32-bit zeroing mask.
+/// \param __A
+/// A 256-bit vector of [16 x fp16].
+/// \param __B
+/// A 256-bit vector of [16 x fp16].
+/// \returns
+/// A 256-bit vector of [32 x hf8]. Lower 16 elements correspond to the
+/// (converted) elements from \a __B; higher order elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set,
+/// zero is taken instead.
static __inline__ __m256i __DEFAULT_FN_ATTRS256
_mm256_maskz_cvts2ph_hf8(__mmask32 __U, __m256h __A, __m256h __B) {
return (__m256i)__builtin_ia32_selectb_256(
@@ -381,207 +2230,1161 @@ _mm256_maskz_cvts2ph_hf8(__mmask32 __U, __m256h __A, __m256h __B) {
(__v32qi)(__m256i)_mm256_setzero_si256());
}
+/// Convert 128-bit vector \a __A, containing packed FP8 E4M3 floating-point
+/// elements to a 128-bit vector containing FP16 elements. The conversion is exact.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// dst.fp16[i] := convert_hf8_to_fp16(__A.hf8[i])
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTHF82PH instruction.
+///
+/// \param __A
+/// A 128-bit vector of [16 x hf8].
+/// \returns
+/// A 128-bit vector of [8 x fp16]. Resulting elements correspond to the
+/// (converted) elements from \a __A.
static __inline__ __m128h __DEFAULT_FN_ATTRS128 _mm_cvthf8_ph(__m128i __A) {
return (__m128h)__builtin_ia32_vcvthf8_2ph128_mask(
(__v16qi)__A, (__v8hf)(__m128h)_mm_undefined_ph(), (__mmask8)-1);
}
+/// Convert 128-bit vector \a __A, containing packed FP8 E4M3 floating-point
+/// elements to a 128-bit vector containing FP16 elements. The conversion is
+/// exact. Merging mask \a __U is used to determine if given element should be
+/// taken from \a __W instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// IF __U[i]
+/// dst.fp16[i] := convert_hf8_to_fp16(__A.hf8[i])
+/// ELSE
+/// dst.fp16[i] := __W.fp16[i]
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTHF82PH instruction.
+///
+/// \param __W
+/// A 128-bit vector of [8 x fp16].
+/// \param __U
+/// A 8-bit merging mask.
+/// \param __A
+/// A 128-bit vector of [16 x hf8].
+/// \returns
+/// A 128-bit vector of [8 x fp16]. Resulting elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set, then
+/// element from \a __W is taken instead.
static __inline__ __m128h __DEFAULT_FN_ATTRS128
_mm_mask_cvthf8_ph(__m128h __W, __mmask8 __U, __m128i __A) {
return (__m128h)__builtin_ia32_vcvthf8_2ph128_mask(
(__v16qi)__A, (__v8hf)(__m128h)__W, (__mmask8)__U);
}
+/// Convert 128-bit vector \a __A, containing packed FP8 E4M3 floating-point
+/// elements to a 128-bit vector containing FP16 elements. The conversion is
+/// exact. Zeroing mask \a __U is used to determine if given element should be
+/// zeroed instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// IF __U[i]
+/// dst.fp16[i] := convert_hf8_to_fp16(__A.hf8[i])
+/// ELSE
+/// dst.fp16[i] := 0
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTHF82PH instruction.
+///
+/// \param __U
+/// A 8-bit zeroing mask.
+/// \param __A
+/// A 128-bit vector of [16 x hf8].
+/// \returns
+/// A 128-bit vector of [8 x fp16]. Resulting elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set, then
+/// zero is taken instead.
static __inline__ __m128h __DEFAULT_FN_ATTRS128
_mm_maskz_cvthf8_ph(__mmask8 __U, __m128i __A) {
return (__m128h)__builtin_ia32_vcvthf8_2ph128_mask(
(__v16qi)__A, (__v8hf)(__m128h)_mm_setzero_ph(), (__mmask8)__U);
}
+/// Convert 256-bit vector \a __A, containing packed FP8 E4M3 floating-point
+/// elements to a 256-bit vector containing FP16 elements. The conversion is exact.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// dst.fp16[i] := convert_hf8_to_fp16(__A.hf8[i])
+/// ENDFOR
+///
+/// dst[MAX:256] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTHF82PH instruction.
+///
+/// \param __A
+/// A 256-bit vector of [32 x hf8].
+/// \returns
+/// A 256-bit vector of [16 x fp16]. Resulting elements correspond to the
+/// (converted) elements from \a __A.
static __inline__ __m256h __DEFAULT_FN_ATTRS256 _mm256_cvthf8_ph(__m128i __A) {
return (__m256h)__builtin_ia32_vcvthf8_2ph256_mask(
(__v16qi)__A, (__v16hf)(__m256h)_mm256_undefined_ph(), (__mmask16)-1);
}
+/// Convert 256-bit vector \a __A, containing packed FP8 E4M3 floating-point
+/// elements to a 256-bit vector containing FP16 elements. The conversion is
+/// exact. Merging mask \a __U is used to determine if given element should be
+/// taken from \a __W instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// dst.fp16[i] := convert_hf8_to_fp16(__A.hf8[i])
+/// ELSE
+/// dst.fp16[i] := __W.fp16[i]
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:256] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTHF82PH instruction.
+///
+/// \param __W
+/// A 256-bit vector of [16 x fp16].
+/// \param __U
+/// A 16-bit merging mask.
+/// \param __A
+/// A 256-bit vector of [32 x hf8].
+/// \returns
+/// A 256-bit vector of [16 x fp16]. Resulting elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set, then
+/// element from \a __W is taken instead.
static __inline__ __m256h __DEFAULT_FN_ATTRS256
_mm256_mask_cvthf8_ph(__m256h __W, __mmask16 __U, __m128i __A) {
return (__m256h)__builtin_ia32_vcvthf8_2ph256_mask(
(__v16qi)__A, (__v16hf)(__m256h)__W, (__mmask16)__U);
}
+/// Convert 256-bit vector \a __A, containing packed FP8 E4M3 floating-point
+/// elements to a 256-bit vector containing FP16 elements. The conversion is
+/// exact. Zeroing mask \a __U is used to determine if given element should be
+/// zeroed instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// dst.fp16[i] := convert_hf8_to_fp16(__A.hf8[i])
+/// ELSE
+/// dst.fp16[i] := 0
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:256] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTHF82PH instruction.
+///
+/// \param __U
+/// A 16-bit zeroing mask.
+/// \param __A
+/// A 256-bit vector of [32 x hf8].
+/// \returns
+/// A 256-bit vector of [16 x fp16]. Resulting elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set, then
+/// zero is taken instead.
static __inline__ __m256h __DEFAULT_FN_ATTRS256
_mm256_maskz_cvthf8_ph(__mmask16 __U, __m128i __A) {
return (__m256h)__builtin_ia32_vcvthf8_2ph256_mask(
(__v16qi)__A, (__v16hf)(__m256h)_mm256_setzero_ph(), (__mmask16)__U);
}
+/// Convert 128-bit vector \a __A containing packed FP16 floating-point elements
+/// to a 128-bit vector containing E5M2 FP8 elements. Upper elements of
+/// resulting vector are zeroed.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// dst.bf8[i] := convert_fp16_to_bf8(__A.fp16[i])
+/// ENDFOR
+///
+/// dst[MAX:64] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTPH2BF8 instruction.
+///
+/// \param __A
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x bf8]. Lower elements correspond to the (converted)
+/// elements from \a __A; upper elements are zeroed.
static __inline__ __m128i __DEFAULT_FN_ATTRS128 _mm_cvtph_bf8(__m128h __A) {
return (__m128i)__builtin_ia32_vcvtph2bf8_128_mask(
(__v8hf)__A, (__v16qi)(__m128i)_mm_undefined_si128(), (__mmask8)-1);
}
+/// Convert 128-bit vector \a __A containing packed FP16 floating-point elements
+/// to a 128-bit vector containing E5M2 FP8 elements. Upper elements of
+/// resulting vector are zeroed. Merging mask \a __U is used to determine if
+/// given element should be taken from \a __W instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// IF __U[i]
+/// dst.bf8[i] := convert_fp16_to_bf8(__A.fp16[i])
+/// ELSE
+/// dst.bf8[i] := __W.bf8[i]
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:64] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTPH2BF8 instruction.
+///
+/// \param __W
+/// A 128-bit vector of [16 x bf8].
+/// \param __U
+/// A 8-bit merging mask.
+/// \param __A
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x bf8]. Lower elements correspond to the
+/// (converted) elements from \a __A; upper elements are zeroed. If
+/// corresponding mask bit is not set, then element from \a __W is taken instead.
static __inline__ __m128i __DEFAULT_FN_ATTRS128
_mm_mask_cvtph_bf8(__m128i __W, __mmask8 __U, __m128h __A) {
return (__m128i)__builtin_ia32_vcvtph2bf8_128_mask(
(__v8hf)__A, (__v16qi)(__m128i)__W, (__mmask8)__U);
}
+/// Convert 128-bit vector \a __A containing packed FP16 floating-point elements
+/// to a 128-bit vector containing E5M2 FP8 elements. Upper elements of
+/// resulting vector are zeroed. Zeroing mask \a __U is used to determine if
+/// given element should be zeroed instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// IF __U[i]
+/// dst.bf8[i] := convert_fp16_to_bf8(__A.fp16[i])
+/// ELSE
+/// dst.bf8[i] := 0
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:64] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTPH2BF8 instruction.
+///
+/// \param __U
+/// A 8-bit zeroing mask.
+/// \param __A
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x bf8]. Lower elements correspond to the
+/// (converted) elements from \a __A; upper elements are zeroed. If
+/// corresponding mask bit is not set, then element is zeroed.
static __inline__ __m128i __DEFAULT_FN_ATTRS128
_mm_maskz_cvtph_bf8(__mmask8 __U, __m128h __A) {
return (__m128i)__builtin_ia32_vcvtph2bf8_128_mask(
(__v8hf)__A, (__v16qi)(__m128i)_mm_setzero_si128(), (__mmask8)__U);
}
-static __inline__ __m128i __DEFAULT_FN_ATTRS256 _mm256_cvtph_bf8(__m256h __A) {
+/// Convert 256-bit vector \a __A containing packed FP16 floating-point elements
+/// to a 128-bit vector containing E5M2 FP8 elements.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// dst.bf8[i] := convert_fp16_to_bf8(__A.fp16[i])
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTPH2BF8 instruction.
+///
+/// \param __A
+/// A 256-bit vector of [16 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x bf8]. Resulting elements correspond to the (converted)
+/// elements from \a __A.
+static __inline__ __m128i __DEFAULT_FN_ATTRS256
+_mm256_cvtph_bf8(__m256h __A) {
return (__m128i)__builtin_ia32_vcvtph2bf8_256_mask(
(__v16hf)__A, (__v16qi)(__m128i)_mm_undefined_si128(), (__mmask16)-1);
}
+/// Convert 256-bit vector \a __A containing packed FP16 floating-point elements
+/// to a 128-bit vector containing E5M2 FP8 elements. Merging mask \a __U is
+/// used to determine if given element should be taken from \a __W instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// dst.bf8[i] := convert_fp16_to_bf8(__A.fp16[i])
+/// ELSE
+/// dst.bf8[i] := __W.bf8[i]
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTPH2BF8 instruction.
+///
+/// \param __W
+/// A 128-bit vector of [16 x bf8].
+/// \param __U
+/// A 16-bit merging mask.
+/// \param __A
+/// A 256-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x bf8]. Resulting elements correspond to the
+/// (converted) elements from \a __A. If
+/// corresponding mask bit is not set, then element from \a __W is taken instead.
static __inline__ __m128i __DEFAULT_FN_ATTRS256
_mm256_mask_cvtph_bf8(__m128i __W, __mmask16 __U, __m256h __A) {
return (__m128i)__builtin_ia32_vcvtph2bf8_256_mask(
(__v16hf)__A, (__v16qi)(__m128i)__W, (__mmask16)__U);
}
+/// Convert 256-bit vector \a __A containing packed FP16 floating-point elements
+/// to a 128-bit vector containing E5M2 FP8 elements. Zeroing mask \a __U is
+/// used to determine if given element should be zeroed instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// dst.bf8[i] := convert_fp16_to_bf8(__A.fp16[i])
+/// ELSE
+/// dst.bf8[i] := 0
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTPH2BF8 instruction.
+///
+/// \param __U
+/// A 16-bit zeroing mask.
+/// \param __A
+/// A 256-bit vector of [16 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x bf8]. Resulting elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set,
+/// then element is zeroed instead.
static __inline__ __m128i __DEFAULT_FN_ATTRS256
_mm256_maskz_cvtph_bf8(__mmask16 __U, __m256h __A) {
return (__m128i)__builtin_ia32_vcvtph2bf8_256_mask(
(__v16hf)__A, (__v16qi)(__m128i)_mm_setzero_si128(), (__mmask16)__U);
}
+/// Convert 128-bit vector \a __A containing packed FP16 floating-point elements
+/// to a 128-bit vector containing E5M2 FP8 elements. Upper elements of
+/// resulting vector are zeroed. Results are saturated.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// dst.bf8[i] := convert_fp16_to_bf8_saturate(__A.fp16[i])
+/// ENDFOR
+///
+/// dst[MAX:64] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTPH2BF8S instruction.
+///
+/// \param __A
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x bf8]. Lower elements correspond to the (converted)
+/// elements from \a __A; upper elements are zeroed.
static __inline__ __m128i __DEFAULT_FN_ATTRS128 _mm_cvtsph_bf8(__m128h __A) {
return (__m128i)__builtin_ia32_vcvtph2bf8s_128_mask(
(__v8hf)__A, (__v16qi)(__m128i)_mm_undefined_si128(), (__mmask8)-1);
}
+/// Convert 128-bit vector \a __A containing packed FP16 floating-point elements
+/// to a 128-bit vector containing E5M2 FP8 elements. Upper elements of
+/// resulting vector are zeroed. Results are saturated. Merging mask \a __U is
+/// used to determine if given element should be taken from \a __W instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// IF __U[i]
+/// dst.bf8[i] := convert_fp16_to_bf8_saturate(__A.fp16[i])
+/// ELSE
+/// dst.bf8[i] := __W.bf8[i]
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:64] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTPH2BF8S instruction.
+///
+/// \param __W
+/// A 128-bit vector of [16 x bf8].
+/// \param __U
+/// A 8-bit merging mask.
+/// \param __A
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x bf8]. Lower elements correspond to the
+/// (converted) elements from \a __A; upper elements are zeroed. If
+/// corresponding mask bit is not set, then element from \a __W is taken instead.
static __inline__ __m128i __DEFAULT_FN_ATTRS128
_mm_mask_cvtsph_bf8(__m128i __W, __mmask8 __U, __m128h __A) {
return (__m128i)__builtin_ia32_vcvtph2bf8s_128_mask(
(__v8hf)__A, (__v16qi)(__m128i)__W, (__mmask8)__U);
}
+/// Convert 128-bit vector \a __A containing packed FP16 floating-point elements
+/// to a 128-bit vector containing E5M2 FP8 elements. Upper elements of
+/// resulting vector are zeroed. Results are saturated. Zeroing mask \a __U is
+/// used to determine if given element should be zeroed instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// IF __U[i]
+/// dst.bf8[i] := convert_fp16_to_bf8_saturate(__A.fp16[i])
+/// ELSE
+/// dst.bf8[i] := 0
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:64] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTPH2BF8S instruction.
+///
+/// \param __U
+/// A 8-bit zeroing mask.
+/// \param __A
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x bf8]. Lower elements correspond to the
+/// (converted) elements from \a __A; upper elements are zeroed. If
+/// corresponding mask bit is not set, then element is zeroed.
static __inline__ __m128i __DEFAULT_FN_ATTRS128
_mm_maskz_cvtsph_bf8(__mmask8 __U, __m128h __A) {
return (__m128i)__builtin_ia32_vcvtph2bf8s_128_mask(
(__v8hf)__A, (__v16qi)(__m128i)_mm_setzero_si128(), (__mmask8)__U);
}
-static __inline__ __m128i __DEFAULT_FN_ATTRS256 _mm256_cvtsph_bf8(__m256h __A) {
+/// Convert 256-bit vector \a __A containing packed FP16 floating-point elements
+/// to a 128-bit vector containing E5M2 FP8 elements. Results are saturated.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// dst.bf8[i] := convert_fp16_to_bf8_saturate(__A.fp16[i])
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTPH2BF8S instruction.
+///
+/// \param __A
+/// A 256-bit vector of [16 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x bf8]. Resulting elements correspond to the (converted)
+/// elements from \a __A.
+static __inline__ __m128i __DEFAULT_FN_ATTRS256
+_mm256_cvtsph_bf8(__m256h __A) {
return (__m128i)__builtin_ia32_vcvtph2bf8s_256_mask(
(__v16hf)__A, (__v16qi)(__m128i)_mm_undefined_si128(), (__mmask16)-1);
}
+/// Convert 256-bit vector \a __A containing packed FP16 floating-point elements
+/// to a 128-bit vector containing E5M2 FP8 elements. Results are saturated.
+/// Merging mask \a __U is used to determine if given element should be taken
+/// from \a __W instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// dst.bf8[i] := convert_fp16_to_bf8_saturate(__A.fp16[i])
+/// ELSE
+/// dst.bf8[i] := __W.bf8[i]
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTPH2BF8S instruction.
+///
+/// \param __W
+/// A 128-bit vector of [16 x bf8].
+/// \param __U
+/// A 16-bit merging mask.
+/// \param __A
+/// A 256-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x bf8]. Resulting elements correspond to the
+/// (converted) elements from \a __A. If
+/// corresponding mask bit is not set, then element from \a __W is taken instead.
static __inline__ __m128i __DEFAULT_FN_ATTRS256
_mm256_mask_cvtsph_bf8(__m128i __W, __mmask16 __U, __m256h __A) {
return (__m128i)__builtin_ia32_vcvtph2bf8s_256_mask(
(__v16hf)__A, (__v16qi)(__m128i)__W, (__mmask16)__U);
}
+/// Convert 256-bit vector \a __A containing packed FP16 floating-point elements
+/// to a 128-bit vector containing E5M2 FP8 elements. Results are saturated.
+/// Zeroing mask \a __U is used to determine if given element should be zeroed
+/// instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// dst.bf8[i] := convert_fp16_to_bf8_saturate(__A.fp16[i])
+/// ELSE
+/// dst.bf8[i] := 0
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTPH2BF8S instruction.
+///
+/// \param __U
+/// A 16-bit zeroing mask.
+/// \param __A
+/// A 256-bit vector of [16 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x bf8]. Resulting elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set,
+/// then element is zeroed instead.
static __inline__ __m128i __DEFAULT_FN_ATTRS256
_mm256_maskz_cvtsph_bf8(__mmask16 __U, __m256h __A) {
return (__m128i)__builtin_ia32_vcvtph2bf8s_256_mask(
(__v16hf)__A, (__v16qi)(__m128i)_mm_setzero_si128(), (__mmask16)__U);
}
+/// Convert 128-bit vector \a __A containing packed FP16 floating-point elements
+/// to a 128-bit vector containing E5M2 FP8 elements. Upper elements of
+/// resulting vector are zeroed.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// dst.hf8[i] := convert_fp16_to_hf8(__A.fp16[i])
+/// ENDFOR
+///
+/// dst[MAX:64] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTPH2HF8 instruction.
+///
+/// \param __A
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x hf8]. Lower elements correspond to the (converted)
+/// elements from \a __A; upper elements are zeroed.
static __inline__ __m128i __DEFAULT_FN_ATTRS128 _mm_cvtph_hf8(__m128h __A) {
return (__m128i)__builtin_ia32_vcvtph2hf8_128_mask(
(__v8hf)__A, (__v16qi)(__m128i)_mm_undefined_si128(), (__mmask8)-1);
}
+/// Convert 128-bit vector \a __A containing packed FP16 floating-point elements
+/// to a 128-bit vector containing E4M3 FP8 elements. Upper elements of
+/// resulting vector are zeroed. Merging mask \a __U is used to determine if
+/// given element should be taken from \a __W instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// IF __U[i]
+/// dst.hf8[i] := convert_fp16_to_hf8(__A.fp16[i])
+/// ELSE
+/// dst.hf8[i] := __W.hf8[i]
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:64] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTPH2HF8 instruction.
+///
+/// \param __W
+/// A 128-bit vector of [16 x hf8].
+/// \param __U
+/// A 8-bit merging mask.
+/// \param __A
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x hf8]. Lower elements correspond to the
+/// (converted) elements from \a __A; upper elements are zeroed. If
+/// corresponding mask bit is not set, then element from \a __W is taken instead.
static __inline__ __m128i __DEFAULT_FN_ATTRS128
_mm_mask_cvtph_hf8(__m128i __W, __mmask8 __U, __m128h __A) {
return (__m128i)__builtin_ia32_vcvtph2hf8_128_mask(
(__v8hf)__A, (__v16qi)(__m128i)__W, (__mmask8)__U);
}
+/// Convert 128-bit vector \a __A containing packed FP16 floating-point elements
+/// to a 128-bit vector containing E4M3 FP8 elements. Upper elements of
+/// resulting vector are zeroed. Zeroing mask \a __U is used to determine if
+/// given element should be zeroed instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// IF __U[i]
+/// dst.hf8[i] := convert_fp16_to_hf8(__A.fp16[i])
+/// ELSE
+/// dst.hf8[i] := 0
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:64] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTPH2HF8 instruction.
+///
+/// \param __U
+/// A 8-bit zeroing mask.
+/// \param __A
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x hf8]. Lower elements correspond to the
+/// (converted) elements from \a __A; upper elements are zeroed. If
+/// corresponding mask bit is not set, then element is zeroed.
static __inline__ __m128i __DEFAULT_FN_ATTRS128
_mm_maskz_cvtph_hf8(__mmask8 __U, __m128h __A) {
return (__m128i)__builtin_ia32_vcvtph2hf8_128_mask(
(__v8hf)__A, (__v16qi)(__m128i)_mm_setzero_si128(), (__mmask8)__U);
}
-static __inline__ __m128i __DEFAULT_FN_ATTRS256 _mm256_cvtph_hf8(__m256h __A) {
+/// Convert 256-bit vector \a __A containing packed FP16 floating-point elements
+/// to a 128-bit vector containing E4M3 FP8 elements.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// dst.hf8[i] := convert_fp16_to_hf8(__A.fp16[i])
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTPH2HF8 instruction.
+///
+/// \param __A
+/// A 256-bit vector of [16 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x hf8]. Resulting elements correspond to the (converted)
+/// elements from \a __A.
+static __inline__ __m128i __DEFAULT_FN_ATTRS256
+_mm256_cvtph_hf8(__m256h __A) {
return (__m128i)__builtin_ia32_vcvtph2hf8_256_mask(
(__v16hf)__A, (__v16qi)(__m128i)_mm_undefined_si128(), (__mmask16)-1);
}
+/// Convert 256-bit vector \a __A containing packed FP16 floating-point elements
+/// to a 128-bit vector containing E4M3 FP8 elements. Merging mask \a __U is
+/// used to determine if given element should be taken from \a __W instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// dst.hf8[i] := convert_fp16_to_hf8(__A.fp16[i])
+/// ELSE
+/// dst.hf8[i] := __W.hf8[i]
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTPH2HF8 instruction.
+///
+/// \param __W
+/// A 128-bit vector of [16 x hf8].
+/// \param __U
+/// A 16-bit merging mask.
+/// \param __A
+/// A 256-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x hf8]. Resulting elements correspond to the
+/// (converted) elements from \a __A. If
+/// corresponding mask bit is not set, then element from \a __W is taken instead.
static __inline__ __m128i __DEFAULT_FN_ATTRS256
_mm256_mask_cvtph_hf8(__m128i __W, __mmask16 __U, __m256h __A) {
return (__m128i)__builtin_ia32_vcvtph2hf8_256_mask(
(__v16hf)__A, (__v16qi)(__m128i)__W, (__mmask16)__U);
}
+/// Convert 256-bit vector \a __A containing packed FP16 floating-point elements
+/// to a 128-bit vector containing E4M3 FP8 elements. Zeroing mask \a __U is
+/// used to determine if given element should be zeroed instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// dst.hf8[i] := convert_fp16_to_hf8(__A.fp16[i])
+/// ELSE
+/// dst.hf8[i] := 0
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTPH2HF8 instruction.
+///
+/// \param __U
+/// A 16-bit zeroing mask.
+/// \param __A
+/// A 256-bit vector of [16 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x hf8]. Resulting elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set,
+/// then element is zeroed instead.
static __inline__ __m128i __DEFAULT_FN_ATTRS256
_mm256_maskz_cvtph_hf8(__mmask16 __U, __m256h __A) {
return (__m128i)__builtin_ia32_vcvtph2hf8_256_mask(
(__v16hf)__A, (__v16qi)(__m128i)_mm_setzero_si128(), (__mmask16)__U);
}
+/// Convert 128-bit vector \a __A containing packed FP16 floating-point elements
+/// to a 128-bit vector containing E4M3 FP8 elements. Upper elements of
+/// resulting vector are zeroed. Results are saturated.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// dst.hf8[i] := convert_fp16_to_hf8_saturate(__A.fp16[i])
+/// ENDFOR
+///
+/// dst[MAX:64] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTPH2HF8S instruction.
+///
+/// \param __A
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x hf8]. Lower elements correspond to the (converted)
+/// elements from \a __A; upper elements are zeroed.
static __inline__ __m128i __DEFAULT_FN_ATTRS128 _mm_cvtsph_hf8(__m128h __A) {
return (__m128i)__builtin_ia32_vcvtph2hf8s_128_mask(
(__v8hf)__A, (__v16qi)(__m128i)_mm_undefined_si128(), (__mmask8)-1);
}
+/// Convert 128-bit vector \a __A containing packed FP16 floating-point elements
+/// to a 128-bit vector containing E4M3 FP8 elements. Upper elements of
+/// resulting vector are zeroed. Results are saturated. Merging mask \a __U is
+/// used to determine if given element should be taken from \a __W instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// IF __U[i]
+/// dst.hf8[i] := convert_fp16_to_hf8_saturate(__A.fp16[i])
+/// ELSE
+/// dst.hf8[i] := __W.hf8[i]
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:64] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTPH2HF8S instruction.
+///
+/// \param __W
+/// A 128-bit vector of [16 x hf8].
+/// \param __U
+/// A 8-bit merging mask.
+/// \param __A
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x hf8]. Lower elements correspond to the
+/// (converted) elements from \a __A; upper elements are zeroed. If
+/// corresponding mask bit is not set, then element from \a __W is taken instead.
static __inline__ __m128i __DEFAULT_FN_ATTRS128
_mm_mask_cvtsph_hf8(__m128i __W, __mmask8 __U, __m128h __A) {
return (__m128i)__builtin_ia32_vcvtph2hf8s_128_mask(
(__v8hf)__A, (__v16qi)(__m128i)__W, (__mmask8)__U);
}
+/// Convert 128-bit vector \a __A containing packed FP16 floating-point elements
+/// to a 128-bit vector containing E4M3 FP8 elements. Upper elements of
+/// resulting vector are zeroed. Results are saturated. Zeroing mask \a __U is
+/// used to determine if given element should be zeroed instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// IF __U[i]
+/// dst.hf8[i] := convert_fp16_to_hf8_saturate(__A.fp16[i])
+/// ELSE
+/// dst.hf8[i] := 0
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:64] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTPH2HF8S instruction.
+///
+/// \param __U
+/// A 8-bit zeroing mask.
+/// \param __A
+/// A 128-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x hf8]. Lower elements correspond to the
+/// (converted) elements from \a __A; upper elements are zeroed. If
+/// corresponding mask bit is not set, then element is zeroed.
static __inline__ __m128i __DEFAULT_FN_ATTRS128
_mm_maskz_cvtsph_hf8(__mmask8 __U, __m128h __A) {
return (__m128i)__builtin_ia32_vcvtph2hf8s_128_mask(
(__v8hf)__A, (__v16qi)(__m128i)_mm_setzero_si128(), (__mmask8)__U);
}
-static __inline__ __m128i __DEFAULT_FN_ATTRS256 _mm256_cvtsph_hf8(__m256h __A) {
+/// Convert 256-bit vector \a __A containing packed FP16 floating-point elements
+/// to a 128-bit vector containing E4M3 FP8 elements. Results are saturated.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// dst.hf8[i] := convert_fp16_to_hf8_saturate(__A.fp16[i])
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTPH2HF8S instruction.
+///
+/// \param __A
+/// A 256-bit vector of [16 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x hf8]. Resulting elements correspond to the (converted)
+/// elements from \a __A.
+static __inline__ __m128i __DEFAULT_FN_ATTRS256
+_mm256_cvtsph_hf8(__m256h __A) {
return (__m128i)__builtin_ia32_vcvtph2hf8s_256_mask(
(__v16hf)__A, (__v16qi)(__m128i)_mm_undefined_si128(), (__mmask16)-1);
}
+/// Convert 256-bit vector \a __A containing packed FP16 floating-point elements
+/// to a 128-bit vector containing E4M3 FP8 elements. Results are saturated.
+/// Merging mask \a __U is used to determine if given element should be taken
+/// from \a __W instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// dst.hf8[i] := convert_fp16_to_hf8_saturate(__A.fp16[i])
+/// ELSE
+/// dst.hf8[i] := __W.hf8[i]
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTPH2HF8S instruction.
+///
+/// \param __W
+/// A 128-bit vector of [16 x hf8].
+/// \param __U
+/// A 16-bit merging mask.
+/// \param __A
+/// A 256-bit vector of [8 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x hf8]. Resulting elements correspond to the
+/// (converted) elements from \a __A. If
+/// corresponding mask bit is not set, then element from \a __W is taken instead.
static __inline__ __m128i __DEFAULT_FN_ATTRS256
_mm256_mask_cvtsph_hf8(__m128i __W, __mmask16 __U, __m256h __A) {
return (__m128i)__builtin_ia32_vcvtph2hf8s_256_mask(
(__v16hf)__A, (__v16qi)(__m128i)__W, (__mmask16)__U);
}
+/// Convert 256-bit vector \a __A containing packed FP16 floating-point elements
+/// to a 128-bit vector containing E4M3 FP8 elements. Results are saturated.
+/// Zeroing mask \a __U is used to determine if given element should be zeroed
+/// instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// dst.hf8[i] := convert_fp16_to_hf8_saturate(__A.fp16[i])
+/// ELSE
+/// dst.hf8[i] := 0
+/// FI
+/// ENDFOR
+///
+/// dst[MAX:128] := 0
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic corresponds to the \c VCVTPH2HF8S instruction.
+///
+/// \param __U
+/// A 16-bit zeroing mask.
+/// \param __A
+/// A 256-bit vector of [16 x fp16].
+/// \returns
+/// A 128-bit vector of [16 x hf8]. Resulting elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set,
+/// then element is zeroed instead.
static __inline__ __m128i __DEFAULT_FN_ATTRS256
_mm256_maskz_cvtsph_hf8(__mmask16 __U, __m256h __A) {
return (__m128i)__builtin_ia32_vcvtph2hf8s_256_mask(
(__v16hf)__A, (__v16qi)(__m128i)_mm_setzero_si128(), (__mmask16)__U);
}
+/// Convert 128-bit vector \a __A, containing packed FP8 E5M2 floating-point
+/// elements to a 128-bit vector containing FP16 elements. The conversion is exact.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// dst.fp16[i] := convert_bf8_to_fp16(__A.bf8[i])
+/// ENDFOR
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic does not correspond to a single instruction.
+///
+/// \param __A
+/// A 128-bit vector of [16 x bf8].
+/// \returns
+/// A 128-bit vector of [8 x fp16]. Resulting elements correspond to the
+/// (converted) elements from \a __A.
static __inline__ __m128h __DEFAULT_FN_ATTRS128 _mm_cvtbf8_ph(__m128i __A) {
return _mm_castsi128_ph(_mm_slli_epi16(_mm_cvtepi8_epi16(__A), 8));
}
+/// Convert 128-bit vector \a __A, containing packed FP8 E5M2 floating-point
+/// elements to a 128-bit vector containing FP16 elements. The conversion is
+/// exact. Merging mask \a __U is used to determine if given element should be
+/// taken from \a __W instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// IF __U[i]
+/// dst.fp16[i] := convert_bf8_to_fp16(__A.bf8[i])
+/// ELSE
+/// dst.fp16[i] := __W.fp16[i]
+/// FI
+/// ENDFOR
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic does not correspond to a single instruction.
+///
+/// \param __W
+/// A 128-bit vector of [8 x fp16].
+/// \param __U
+/// A 8-bit merging mask.
+/// \param __A
+/// A 128-bit vector of [16 x bf8].
+/// \returns
+/// A 128-bit vector of [8 x fp16]. Resulting elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set, then
+/// element from \a __W is taken instead.
static __inline__ __m128h __DEFAULT_FN_ATTRS128
-_mm_mask_cvtbf8_ph(__m128h __S, __mmask8 __U, __m128i __A) {
+_mm_mask_cvtbf8_ph(__m128h __W, __mmask8 __U, __m128i __A) {
return _mm_castsi128_ph(
- _mm_mask_slli_epi16((__m128i)__S, __U, _mm_cvtepi8_epi16(__A), 8));
-}
-
+ _mm_mask_slli_epi16((__m128i)__W, __U, _mm_cvtepi8_epi16(__A), 8));
+}
+
+/// Convert 128-bit vector \a __A, containing packed FP8 E5M2 floating-point
+/// elements to a 128-bit vector containing FP16 elements. The conversion is
+/// exact. Zeroing mask \a __U is used to determine if given element should be
+/// zeroed instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 7
+/// IF __U[i]
+/// dst.fp16[i] := convert_bf8_to_fp16(__A.bf8[i])
+/// ELSE
+/// dst.fp16[i] := 0
+/// FI
+/// ENDFOR
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic does not correspond to a single instruction.
+///
+/// \param __U
+/// A 8-bit zeroing mask.
+/// \param __A
+/// A 128-bit vector of [16 x bf8].
+/// \returns
+/// A 128-bit vector of [8 x fp16]. Resulting elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set, then
+/// zero is taken instead.
static __inline__ __m128h __DEFAULT_FN_ATTRS128
_mm_maskz_cvtbf8_ph(__mmask8 __U, __m128i __A) {
return _mm_castsi128_ph(_mm_slli_epi16(_mm_maskz_cvtepi8_epi16(__U, __A), 8));
}
+/// Convert 256-bit vector \a __A, containing packed FP8 E4M3 floating-point
+/// elements to a 256-bit vector containing FP16 elements. The conversion is exact.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// dst.fp16[i] := convert_bf8_to_fp16(__A.bf8[i])
+/// ENDFOR
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic does not correspond to a single instruction.
+///
+/// \param __A
+/// A 256-bit vector of [32 x bf8].
+/// \returns
+/// A 256-bit vector of [16 x fp16]. Resulting elements correspond to the
+/// (converted) elements from \a __A.
static __inline__ __m256h __DEFAULT_FN_ATTRS256 _mm256_cvtbf8_ph(__m128i __A) {
return _mm256_castsi256_ph(_mm256_slli_epi16(_mm256_cvtepi8_epi16(__A), 8));
}
+/// Convert 256-bit vector \a __A, containing packed FP8 E5M2 floating-point
+/// elements to a 256-bit vector containing FP16 elements. The conversion is
+/// exact. Merging mask \a __U is used to determine if given element should be
+/// taken from \a __W instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// dst.fp16[i] := convert_bf8_to_fp16(__A.bf8[i])
+/// ELSE
+/// dst.fp16[i] := __W.fp16[i]
+/// FI
+/// ENDFOR
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic does not correspond to a single instruction.
+///
+/// \param __W
+/// A 256-bit vector of [16 x fp16].
+/// \param __U
+/// A 16-bit merging mask.
+/// \param __A
+/// A 256-bit vector of [32 x bf8].
+/// \returns
+/// A 256-bit vector of [16 x fp16]. Resulting elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set, then
+/// element from \a __W is taken instead.
static __inline__ __m256h __DEFAULT_FN_ATTRS256
-_mm256_mask_cvtbf8_ph(__m256h __S, __mmask16 __U, __m128i __A) {
+_mm256_mask_cvtbf8_ph(__m256h __W, __mmask16 __U, __m128i __A) {
return _mm256_castsi256_ph(
- _mm256_mask_slli_epi16((__m256i)__S, __U, _mm256_cvtepi8_epi16(__A), 8));
-}
-
+ _mm256_mask_slli_epi16((__m256i)__W, __U, _mm256_cvtepi8_epi16(__A), 8));
+}
+
+/// Convert 256-bit vector \a __A, containing packed FP8 E5M2 floating-point
+/// elements to a 256-bit vector containing FP16 elements. The conversion is
+/// exact. Zeroing mask \a __U is used to determine if given element should be
+/// zeroed instead.
+///
+/// \code{.operation}
+/// FOR i := 0 to 15
+/// IF __U[i]
+/// dst.fp16[i] := convert_bf8_to_fp16(__A.bf8[i])
+/// ELSE
+/// dst.fp16[i] := 0
+/// FI
+/// ENDFOR
+/// \endcode
+///
+/// \headerfile <immintrin.h>
+///
+/// This intrinsic does not correspond to a single instruction.
+///
+/// \param __U
+/// A 16-bit zeroing mask.
+/// \param __A
+/// A 256-bit vector of [32 x bf8].
+/// \returns
+/// A 256-bit vector of [16 x fp16]. Resulting elements correspond to the
+/// (converted) elements from \a __A. If corresponding mask bit is not set, then
+/// zero is taken instead.
static __inline__ __m256h __DEFAULT_FN_ATTRS256
_mm256_maskz_cvtbf8_ph(__mmask16 __U, __m128i __A) {
return _mm256_castsi256_ph(
_mm256_slli_epi16(_mm256_maskz_cvtepi8_epi16(__U, __A), 8));
}
+// clang-format on
+
#undef __DEFAULT_FN_ATTRS128
#undef __DEFAULT_FN_ATTRS256
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