183 lines
5.9 KiB
C
183 lines
5.9 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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* 2023 Yi-Yen Chung <eric681@andestech.com> (Copyright owned by Andes Technology)
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*/
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#if !defined(SIMDE_ARM_NEON_RSUBHN_H)
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#define SIMDE_ARM_NEON_RSUBHN_H
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#include "sub.h"
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#include "shr_n.h"
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#include "movn.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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simde_int8x8_t
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simde_vrsubhn_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 vrsubhn_s16(a, b);
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#else
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simde_int16x8_private
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r_,
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a_ = simde_int16x8_to_private(a),
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b_ = simde_int16x8_to_private(b);
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int16_t round_cast = 1 << 7;
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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, a_.values[i] - b_.values[i] + round_cast);
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}
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return simde_vmovn_s16(simde_vshrq_n_s16(simde_int16x8_from_private(r_), 8));
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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 vrsubhn_s16
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#define vrsubhn_s16(a, b) simde_vrsubhn_s16((a), (b))
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#endif
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SIMDE_FUNCTION_ATTRIBUTES
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simde_int16x4_t
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simde_vrsubhn_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 vrsubhn_s32(a, b);
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#else
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simde_int32x4_private
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r_,
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a_ = simde_int32x4_to_private(a),
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b_ = simde_int32x4_to_private(b);
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int round_cast = 1 << 15;
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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] = a_.values[i] - b_.values[i] + round_cast;
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}
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return simde_vmovn_s32(simde_vshrq_n_s32(simde_int32x4_from_private(r_), 16));
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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 vrsubhn_s32
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#define vrsubhn_s32(a, b) simde_vrsubhn_s32((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_vrsubhn_s64(simde_int64x2_t a, simde_int64x2_t b) {
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#if defined(SIMDE_ARM_NEON_A32V7_NATIVE)
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return vrsubhn_s64(a, b);
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#else
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simde_int64x2_private
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r_,
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a_ = simde_int64x2_to_private(a),
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b_ = simde_int64x2_to_private(b);
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int64_t round_cast = 1ll << 31;
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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] = ((a_.values[i] - b_.values[i] + round_cast) >> 32);
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}
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return simde_vmovn_s64(simde_int64x2_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 vrsubhn_s64
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#define vrsubhn_s64(a, b) simde_vrsubhn_s64((a), (b))
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#endif
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SIMDE_FUNCTION_ATTRIBUTES
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simde_uint8x8_t
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simde_vrsubhn_u16(simde_uint16x8_t a, simde_uint16x8_t b) {
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#if defined(SIMDE_ARM_NEON_A32V7_NATIVE)
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return vrsubhn_u16(a, b);
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#else
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simde_uint16x8_private
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r_,
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a_ = simde_uint16x8_to_private(a),
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b_ = simde_uint16x8_to_private(b);
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uint16_t round_cast = 1 << 7;
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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(uint16_t, a_.values[i] - b_.values[i] + round_cast);
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}
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return simde_vmovn_u16(simde_vshrq_n_u16(simde_uint16x8_from_private(r_), 8));
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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 vrsubhn_u16
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#define vrsubhn_u16(a, b) simde_vrsubhn_u16((a), (b))
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#endif
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SIMDE_FUNCTION_ATTRIBUTES
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simde_uint16x4_t
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simde_vrsubhn_u32(simde_uint32x4_t a, simde_uint32x4_t b) {
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#if defined(SIMDE_ARM_NEON_A32V7_NATIVE)
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return vrsubhn_u32(a, b);
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#else
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simde_uint32x4_private
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r_,
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a_ = simde_uint32x4_to_private(a),
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b_ = simde_uint32x4_to_private(b);
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uint32_t round_cast = 1 << 15;
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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] = a_.values[i] - b_.values[i] + round_cast;
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}
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return simde_vmovn_u32(simde_vshrq_n_u32(simde_uint32x4_from_private(r_), 16));
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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 vrsubhn_u32
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#define vrsubhn_u32(a, b) simde_vrsubhn_u32((a), (b))
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#endif
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SIMDE_FUNCTION_ATTRIBUTES
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simde_uint32x2_t
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simde_vrsubhn_u64(simde_uint64x2_t a, simde_uint64x2_t b) {
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#if defined(SIMDE_ARM_NEON_A32V7_NATIVE)
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return vrsubhn_u64(a, b);
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#else
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simde_uint64x2_private
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r_,
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a_ = simde_uint64x2_to_private(a),
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b_ = simde_uint64x2_to_private(b);
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uint64_t round_cast = 1ull << 31;
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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] = ((a_.values[i] - b_.values[i] + round_cast) >> 32);
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}
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return simde_vmovn_u64(simde_uint64x2_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 vrsubhn_u64
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#define vrsubhn_u64(a, b) simde_vrsubhn_u64((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_RSUBHN_H) */
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