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(
14 unsigned char *src,
15 int src_stride,
16 unsigned char *dst,
17 int dst_stride) {
18 uint8x8_t vtmp;
19 int r;
20
21 for (r = 0; r < 4; r++) {
22 vtmp = vld1_u8(src);
23 vst1_u8(dst, vtmp);
24 src += src_stride;
25 dst += dst_stride;
26 }
27 }
28
vp8_copy_mem8x8_neon(unsigned char * src,int src_stride,unsigned char * dst,int dst_stride)29 void vp8_copy_mem8x8_neon(
30 unsigned char *src,
31 int src_stride,
32 unsigned char *dst,
33 int dst_stride) {
34 uint8x8_t vtmp;
35 int r;
36
37 for (r = 0; r < 8; r++) {
38 vtmp = vld1_u8(src);
39 vst1_u8(dst, vtmp);
40 src += src_stride;
41 dst += dst_stride;
42 }
43 }
44
vp8_copy_mem16x16_neon(unsigned char * src,int src_stride,unsigned char * dst,int dst_stride)45 void vp8_copy_mem16x16_neon(
46 unsigned char *src,
47 int src_stride,
48 unsigned char *dst,
49 int dst_stride) {
50 int r;
51 uint8x16_t qtmp;
52
53 for (r = 0; r < 16; r++) {
54 qtmp = vld1q_u8(src);
55 vst1q_u8(dst, qtmp);
56 src += src_stride;
57 dst += dst_stride;
58 }
59 }
60