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
vp8_copy_mem8x4_neon(unsigned char * src,int src_stride,unsigned char * dst,int dst_stride)13 void vp8_copy_mem8x4_neon(unsigned char *src, int src_stride,
14 unsigned char *dst, int dst_stride) {
15 uint8x8_t vtmp;
16 int r;
17
18 for (r = 0; r < 4; ++r) {
19 vtmp = vld1_u8(src);
20 vst1_u8(dst, vtmp);
21 src += src_stride;
22 dst += dst_stride;
23 }
24 }
25
vp8_copy_mem8x8_neon(unsigned char * src,int src_stride,unsigned char * dst,int dst_stride)26 void vp8_copy_mem8x8_neon(unsigned char *src, int src_stride,
27 unsigned char *dst, int dst_stride) {
28 uint8x8_t vtmp;
29 int r;
30
31 for (r = 0; r < 8; ++r) {
32 vtmp = vld1_u8(src);
33 vst1_u8(dst, vtmp);
34 src += src_stride;
35 dst += dst_stride;
36 }
37 }
38
vp8_copy_mem16x16_neon(unsigned char * src,int src_stride,unsigned char * dst,int dst_stride)39 void vp8_copy_mem16x16_neon(unsigned char *src, int src_stride,
40 unsigned char *dst, int dst_stride) {
41 int r;
42 uint8x16_t qtmp;
43
44 for (r = 0; r < 16; ++r) {
45 qtmp = vld1q_u8(src);
46 vst1q_u8(dst, qtmp);
47 src += src_stride;
48 dst += dst_stride;
49 }
50 }
51