161 lines
5.0 KiB
C
161 lines
5.0 KiB
C
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/* 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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* 2020 Evan Nemerson <evan@nemerson.com>
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* 2020 Sean Maher <seanptmaher@gmail.com> (Copyright owned by Google, LLC)
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*/
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#if !defined(SIMDE_ARM_NEON_QDMULH_H)
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#define SIMDE_ARM_NEON_QDMULH_H
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#include "types.h"
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#include "combine.h"
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#include "get_high.h"
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#include "get_low.h"
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#include "qdmull.h"
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#include "reinterpret.h"
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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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int32_t
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simde_vqdmulhs_s32(int32_t a, int32_t b) {
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#if defined(SIMDE_ARM_NEON_A64V8_NATIVE)
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return vqdmulhs_s32(a, b);
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#else
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int64_t tmp = simde_vqdmulls_s32(a, b);
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return HEDLEY_STATIC_CAST(int32_t, tmp >> 32);
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#endif
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}
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#if defined(SIMDE_ARM_NEON_A64V8_ENABLE_NATIVE_ALIASES)
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#undef vqdmulhs_s32
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#define vqdmulhs_s32(a) simde_vqdmulhs_s32((a))
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#endif
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SIMDE_FUNCTION_ATTRIBUTES
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simde_int16x4_t
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simde_vqdmulh_s16(simde_int16x4_t a, simde_int16x4_t b) {
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#if defined(SIMDE_ARM_NEON_A32V7_NATIVE)
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return vqdmulh_s16(a, b);
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#else
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simde_int16x4_private r_;
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#if HEDLEY_HAS_BUILTIN(__builtin_shufflevector)
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simde_int16x8_private tmp_ =
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simde_int16x8_to_private(
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simde_vreinterpretq_s16_s32(
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simde_vqdmull_s16(a, b)
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)
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);
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r_.values = __builtin_shufflevector(tmp_.values, tmp_.values, 1, 3, 5, 7);
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#else
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simde_int32x4_private tmp = simde_int32x4_to_private(simde_vqdmull_s16(a, b));
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SIMDE_VECTORIZE
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for (size_t i = 0 ; i < (sizeof(r_.values) / sizeof(r_.values[0])) ; i++) {
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r_.values[i] = HEDLEY_STATIC_CAST(int16_t, tmp.values[i] >> 16);
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}
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#endif
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return simde_int16x4_from_private(r_);
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#endif
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}
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#if defined(SIMDE_ARM_NEON_A32V7_ENABLE_NATIVE_ALIASES)
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#undef vqdmulh_s16
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#define vqdmulh_s16(a, b) simde_vqdmulh_s16((a), (b))
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#endif
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SIMDE_FUNCTION_ATTRIBUTES
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simde_int32x2_t
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simde_vqdmulh_s32(simde_int32x2_t a, simde_int32x2_t b) {
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#if defined(SIMDE_ARM_NEON_A32V7_NATIVE)
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return vqdmulh_s32(a, b);
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#else
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simde_int32x2_private r_;
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#if HEDLEY_HAS_BUILTIN(__builtin_shufflevector)
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simde_int32x4_private tmp_ =
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simde_int32x4_to_private(
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simde_vreinterpretq_s32_s64(
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simde_vqdmull_s32(a, b)
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)
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);
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r_.values = __builtin_shufflevector(tmp_.values, tmp_.values, 1, 3);
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#else
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simde_int32x2_private a_ = simde_int32x2_to_private(a);
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simde_int32x2_private b_ = simde_int32x2_to_private(b);
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SIMDE_VECTORIZE
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for (size_t i = 0 ; i < (sizeof(r_.values) / sizeof(r_.values[0])) ; i++) {
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r_.values[i] = simde_vqdmulhs_s32(a_.values[i], b_.values[i]);
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}
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#endif
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return simde_int32x2_from_private(r_);
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#endif
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}
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#if defined(SIMDE_ARM_NEON_A32V7_ENABLE_NATIVE_ALIASES)
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#undef vqdmulh_s32
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#define vqdmulh_s32(a, b) simde_vqdmulh_s32((a), (b))
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#endif
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SIMDE_FUNCTION_ATTRIBUTES
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simde_int16x8_t
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simde_vqdmulhq_s16(simde_int16x8_t a, simde_int16x8_t b) {
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#if defined(SIMDE_ARM_NEON_A32V7_NATIVE)
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return vqdmulhq_s16(a, b);
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#else
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return simde_vcombine_s16(simde_vqdmulh_s16(simde_vget_low_s16(a), simde_vget_low_s16(b)),
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simde_vqdmulh_s16(simde_vget_high_s16(a), simde_vget_high_s16(b)));
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#endif
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}
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#if defined(SIMDE_ARM_NEON_A32V7_ENABLE_NATIVE_ALIASES)
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#undef vqdmulhq_s16
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#define vqdmulhq_s16(a, b) simde_vqdmulhq_s16((a), (b))
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#endif
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SIMDE_FUNCTION_ATTRIBUTES
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simde_int32x4_t
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simde_vqdmulhq_s32(simde_int32x4_t a, simde_int32x4_t b) {
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#if defined(SIMDE_ARM_NEON_A32V7_NATIVE)
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return vqdmulhq_s32(a, b);
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#else
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return simde_vcombine_s32(simde_vqdmulh_s32(simde_vget_low_s32(a), simde_vget_low_s32(b)),
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simde_vqdmulh_s32(simde_vget_high_s32(a), simde_vget_high_s32(b)));
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#endif
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}
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#if defined(SIMDE_ARM_NEON_A32V7_ENABLE_NATIVE_ALIASES)
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#undef vqdmulhq_s32
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#define vqdmulhq_s32(a, b) simde_vqdmulhq_s32((a), (b))
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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_ARM_NEON_QDMULH_H) */
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