171 lines
5.4 KiB
C
171 lines
5.4 KiB
C
/* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Copyright:
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* 2021 Evan Nemerson <evan@nemerson.com>
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*/
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#include "../simde-common.h"
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#include "../simde-math.h"
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#include "../simde-f16.h"
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#if !defined(SIMDE_X86_F16C_H)
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#define SIMDE_X86_F16C_H
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#include "avx.h"
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#if !defined(SIMDE_X86_PF16C_NATIVE) && defined(SIMDE_ENABLE_NATIVE_ALIASES)
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# define SIMDE_X86_PF16C_ENABLE_NATIVE_ALIASES
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#endif
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HEDLEY_DIAGNOSTIC_PUSH
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SIMDE_DISABLE_UNWANTED_DIAGNOSTICS
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SIMDE_BEGIN_DECLS_
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SIMDE_FUNCTION_ATTRIBUTES
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simde__m128i
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simde_mm_cvtps_ph(simde__m128 a, const int sae) {
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#if defined(SIMDE_X86_F16C_NATIVE)
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SIMDE_LCC_DISABLE_DEPRECATED_WARNINGS
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switch (sae & SIMDE_MM_FROUND_NO_EXC) {
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case SIMDE_MM_FROUND_NO_EXC:
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return _mm_cvtps_ph(a, SIMDE_MM_FROUND_NO_EXC);
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default:
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return _mm_cvtps_ph(a, 0);
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}
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SIMDE_LCC_REVERT_DEPRECATED_WARNINGS
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#else
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simde__m128_private a_ = simde__m128_to_private(a);
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simde__m128i_private r_ = simde__m128i_to_private(simde_mm_setzero_si128());
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HEDLEY_STATIC_CAST(void, sae);
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#if defined(SIMDE_ARM_NEON_A32V7_NATIVE) && defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC)
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r_.neon_f16 = vcombine_f16(vcvt_f16_f32(a_.neon_f32), vdup_n_f16(SIMDE_FLOAT16_C(0.0)));
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#else
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SIMDE_VECTORIZE
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for (size_t i = 0 ; i < (sizeof(a_.f32) / sizeof(a_.f32[0])) ; i++) {
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r_.u16[i] = simde_float16_as_uint16(simde_float16_from_float32(a_.f32[i]));
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}
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#endif
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return simde__m128i_from_private(r_);
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#endif
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}
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#if defined(SIMDE_X86_F16C_ENABLE_NATIVE_ALIASES)
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#define _mm_cvtps_ph(a, sae) simde_mm_cvtps_ph(a, sae)
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#endif
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SIMDE_FUNCTION_ATTRIBUTES
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simde__m128
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simde_mm_cvtph_ps(simde__m128i a) {
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#if defined(SIMDE_X86_F16C_NATIVE)
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return _mm_cvtph_ps(a);
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#else
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simde__m128i_private a_ = simde__m128i_to_private(a);
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simde__m128_private r_;
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#if defined(SIMDE_ARM_NEON_A32V7_NATIVE) && defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC)
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r_.neon_f32 = vcvt_f32_f16(vget_low_f16(a_.neon_f16));
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#else
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SIMDE_VECTORIZE
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for (size_t i = 0 ; i < (sizeof(a_.f32) / sizeof(a_.f32[0])) ; i++) {
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r_.f32[i] = simde_float16_to_float32(simde_uint16_as_float16(a_.u16[i]));
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}
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#endif
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return simde__m128_from_private(r_);
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#endif
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}
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#if defined(SIMDE_X86_F16C_ENABLE_NATIVE_ALIASES)
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#define _mm_cvtph_ps(a) simde_mm_cvtph_ps(a)
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#endif
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SIMDE_FUNCTION_ATTRIBUTES
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simde__m128i
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simde_mm256_cvtps_ph(simde__m256 a, const int sae) {
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#if defined(SIMDE_X86_F16C_NATIVE) && defined(SIMDE_X86_AVX_NATIVE)
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SIMDE_LCC_DISABLE_DEPRECATED_WARNINGS
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switch (sae & SIMDE_MM_FROUND_NO_EXC) {
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case SIMDE_MM_FROUND_NO_EXC:
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return _mm256_cvtps_ph(a, SIMDE_MM_FROUND_NO_EXC);
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default:
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return _mm256_cvtps_ph(a, 0);
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}
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SIMDE_LCC_REVERT_DEPRECATED_WARNINGS
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#else
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simde__m256_private a_ = simde__m256_to_private(a);
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simde__m128i_private r_;
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HEDLEY_STATIC_CAST(void, sae);
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#if defined(SIMDE_X86_F16C_NATIVE)
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return _mm_castps_si128(_mm_movelh_ps(
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_mm_castsi128_ps(_mm_cvtps_ph(a_.m128[0], SIMDE_MM_FROUND_NO_EXC)),
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_mm_castsi128_ps(_mm_cvtps_ph(a_.m128[1], SIMDE_MM_FROUND_NO_EXC))
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));
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#else
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SIMDE_VECTORIZE
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for (size_t i = 0 ; i < (sizeof(a_.f32) / sizeof(a_.f32[0])) ; i++) {
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r_.u16[i] = simde_float16_as_uint16(simde_float16_from_float32(a_.f32[i]));
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}
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#endif
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return simde__m128i_from_private(r_);
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#endif
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}
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#if defined(SIMDE_X86_F16C_ENABLE_NATIVE_ALIASES)
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#define _mm256_cvtps_ph(a, sae) simde_mm256_cvtps_ph(a, sae)
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#endif
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SIMDE_FUNCTION_ATTRIBUTES
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simde__m256
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simde_mm256_cvtph_ps(simde__m128i a) {
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#if defined(SIMDE_X86_F16C_NATIVE) && defined(SIMDE_X86_AVX_NATIVE)
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return _mm256_cvtph_ps(a);
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#elif defined(SIMDE_X86_F16C_NATIVE)
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return _mm256_setr_m128(
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_mm_cvtph_ps(a),
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_mm_cvtph_ps(_mm_castps_si128(_mm_permute_ps(_mm_castsi128_ps(a), 0xee)))
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);
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#else
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simde__m128i_private a_ = simde__m128i_to_private(a);
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simde__m256_private r_;
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SIMDE_VECTORIZE
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for (size_t i = 0 ; i < (sizeof(r_.f32) / sizeof(r_.f32[0])) ; i++) {
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r_.f32[i] = simde_float16_to_float32(simde_uint16_as_float16(a_.u16[i]));
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}
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return simde__m256_from_private(r_);
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#endif
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}
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#if defined(SIMDE_X86_F16C_ENABLE_NATIVE_ALIASES)
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#define _mm256_cvtph_ps(a) simde_mm256_cvtph_ps(a)
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#endif
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SIMDE_END_DECLS_
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HEDLEY_DIAGNOSTIC_POP
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#endif /* !defined(SIMDE_X86_F16C_H) */
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