Commit cfa03374 authored by Debargha Mukherjee's avatar Debargha Mukherjee Committed by Gerrit Code Review

Merge "Factor out x86 SIMD intrinsic synonyms" into nextgenv2

parents 1e160ce5 9ebca469
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/*
* Copyright (c) 2016 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef VPX_DSP_X86_SYNONYS_H_
#define VPX_DSP_X86_SYNONYS_H_
#include <immintrin.h>
#include "./vpx_config.h"
#include "vpx/vpx_integer.h"
/**
* Various reusable shorthands for x86 SIMD intrinsics.
*
* Intrinsics prefixed with xx_ operate on or return 128bit XMM registers.
* Intrinsics prefixed with yy_ operate on or return 256bit YMM registers.
*/
// Loads and stores to do away with the tedium of casting the address
// to the right type.
static INLINE __m128i xx_loadl_32(const void *a) {
return _mm_cvtsi32_si128(*(const uint32_t*)a);
}
static INLINE __m128i xx_loadl_64(const void *a) {
return _mm_loadl_epi64((const __m128i*)a);
}
static INLINE __m128i xx_load_128(const void *a) {
return _mm_load_si128((const __m128i*)a);
}
static INLINE __m128i xx_loadu_128(const void *a) {
return _mm_loadu_si128((const __m128i*)a);
}
static INLINE void xx_storel_32(void *const a, const __m128i v) {
*(uint32_t*)a = _mm_cvtsi128_si32(v);
}
static INLINE void xx_storel_64(void *const a, const __m128i v) {
_mm_storel_epi64((__m128i*)a, v);
}
static INLINE void xx_store_128(void *const a, const __m128i v) {
_mm_store_si128((__m128i*)a, v);
}
static INLINE void xx_storeu_128(void *const a, const __m128i v) {
_mm_storeu_si128((__m128i*)a, v);
}
static INLINE __m128i xx_round_epu16(__m128i v_val_w) {
return _mm_avg_epu16(v_val_w, _mm_setzero_si128());
}
static INLINE __m128i xx_roundn_epu16(__m128i v_val_w, int bits) {
const __m128i v_s_w =_mm_srli_epi16(v_val_w, bits-1);
return _mm_avg_epu16(v_s_w, _mm_setzero_si128());
}
#endif // VPX_DSP_X86_SYNONYS_H_
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