1 /*
2 * Copyright (c) 2014 The WebM project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include <arm_neon.h>
12
13 #include "./vp8_rtcd.h"
14
vp8_copy_mem8x4_neon(unsigned char * src,int src_stride,unsigned char * dst,int dst_stride)15 void vp8_copy_mem8x4_neon(unsigned char *src, int src_stride,
16 unsigned char *dst, int dst_stride) {
17 uint8x8_t vtmp;
18 int r;
19
20 for (r = 0; r < 4; ++r) {
21 vtmp = vld1_u8(src);
22 vst1_u8(dst, vtmp);
23 src += src_stride;
24 dst += dst_stride;
25 }
26 }
27
vp8_copy_mem8x8_neon(unsigned char * src,int src_stride,unsigned char * dst,int dst_stride)28 void vp8_copy_mem8x8_neon(unsigned char *src, int src_stride,
29 unsigned char *dst, int dst_stride) {
30 uint8x8_t vtmp;
31 int r;
32
33 for (r = 0; r < 8; ++r) {
34 vtmp = vld1_u8(src);
35 vst1_u8(dst, vtmp);
36 src += src_stride;
37 dst += dst_stride;
38 }
39 }
40
vp8_copy_mem16x16_neon(unsigned char * src,int src_stride,unsigned char * dst,int dst_stride)41 void vp8_copy_mem16x16_neon(unsigned char *src, int src_stride,
42 unsigned char *dst, int dst_stride) {
43 int r;
44 uint8x16_t qtmp;
45
46 for (r = 0; r < 16; ++r) {
47 qtmp = vld1q_u8(src);
48 vst1q_u8(dst, qtmp);
49 src += src_stride;
50 dst += dst_stride;
51 }
52 }
53