mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
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115 lines
2.4 KiB
C++
115 lines
2.4 KiB
C++
/*
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* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
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*
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* This file is part of PortaPack.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __SIMD_H__
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#define __SIMD_H__
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#if defined(LPC43XX_M4)
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#include <hal.h>
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#include <cstdint>
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struct vec4_s8 {
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union {
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int8_t v[4];
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uint32_t w;
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};
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};
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struct vec2_s16 {
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constexpr vec2_s16(
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) : v { 0, 0 }
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{
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}
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constexpr vec2_s16(
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const int16_t v
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) : v { v, v }
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{
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}
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constexpr vec2_s16(
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const int16_t v0,
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const int16_t v1
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) : v { v0, v1 }
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{
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}
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constexpr vec2_s16(
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const vec2_s16& other
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) : w { other.w }
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{
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}
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vec2_s16& operator=(const vec2_s16& other) {
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w = other.w;
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return *this;
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}
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union {
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int16_t v[2];
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uint32_t w;
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};
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};
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static inline vec4_s8 rev16(const vec4_s8 v) {
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vec4_s8 result;
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result.w = __REV16(v.w);
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return result;
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}
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static inline vec4_s8 pkhbt(const vec4_s8 v1, const vec4_s8 v2, const size_t sh = 0) {
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vec4_s8 result;
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result.w = __PKHBT(v1.w, v2.w, sh);
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return result;
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}
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static inline vec2_s16 pkhbt(const vec2_s16 v1, const vec2_s16 v2, const size_t sh = 0) {
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vec2_s16 result;
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result.w = __PKHBT(v1.w, v2.w, sh);
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return result;
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}
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static inline vec2_s16 pkhtb(const vec2_s16 v1, const vec2_s16 v2, const size_t sh = 0) {
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vec2_s16 result;
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result.w = __PKHTB(v1.w, v2.w, sh);
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return result;
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}
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static inline vec2_s16 sxtb16(const vec4_s8 v, const size_t sh = 0) {
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vec2_s16 result;
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result.w = __SXTB16(v.w, sh);
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return result;
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}
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static inline int32_t smlsd(const vec2_s16 v1, const vec2_s16 v2, const int32_t accum) {
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return __SMLSD(v1.w, v2.w, accum);
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}
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static inline int32_t smlad(const vec2_s16 v1, const vec2_s16 v2, const int32_t accum) {
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return __SMLAD(v1.w, v2.w, accum);
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}
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#endif /* defined(LPC43XX_M4) */
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#endif/*__SIMD_H__*/
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