coffee/libyuv
1
0
Fork 0
mirror of https://chromium.googlesource.com/libyuv/libyuv synced 2025-12-06 16:56:55 +08:00
Code Issues Packages Projects Releases Wiki Activity

CopyRow_Neon reimplemented with vldm

Browse Source 
BUG=none
TEST=none
Review URL: https://webrtc-codereview.appspot.com/412001

git-svn-id: http://libyuv.googlecode.com/svn/trunk@190 16f28f9a-4ce2-e073-06de-1de4eb20be90
This commit is contained in:
fbarchard@google.com 2012-02-24 21:17:17 +00:00
parent aaf5f675b3
commit 0b9a65b0dc
4 changed files with 7 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
README.chromium
View File

@ -1,6 +1,6 @@
Name: libyuv
URL: http://code.google.com/p/libyuv/
Version: 189
Version: 190
License: BSD
License File: LICENSE

2
include/libyuv/version.h
View File

@ -11,7 +11,7 @@
#ifndef INCLUDE_LIBYUV_VERSION_H_
#define INCLUDE_LIBYUV_VERSION_H_
#define LIBYUV_VERSION 189
#define LIBYUV_VERSION 190
#endif // INCLUDE_LIBYUV_VERSION_H_

6
source/row.h
View File

@ -67,16 +67,12 @@ extern "C" {
#if defined(__ARM_NEON__) && !defined(YUV_DISABLE_ASM)
#define HAS_MIRRORROW_NEON
#define HAS_SPLITUV_NEON
#define HAS_COPYROW_NEON
#define HAS_I420TOARGBROW_NEON
#define HAS_I420TOBGRAROW_NEON
#define HAS_I420TOABGRROW_NEON
#endif
// The following are available on Neon platforms
#if defined(__ARM_NEON__) && !defined(__thumb__) && !defined(YUV_DISABLE_ASM)
#define HAS_COPYROW_NEON
#endif
#if defined(_MSC_VER)
#define SIMD_ALIGNED(var) __declspec(align(16)) var
typedef __declspec(align(16)) signed char vec8[16];

8
source/row_neon.cc
View File

@ -187,15 +187,15 @@ void SplitUV_NEON(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int pix) {
#endif
#if defined(HAS_COPYROW_NEON)
// TODO(fbarchard): Test with and without pld
// "pld [%0, #0xC0] \n" // preload
// TODO(fbarchard): Test without pld on NexusS
// Copy multiple of 64
void CopyRow_NEON(const uint8* src, uint8* dst, int count) {
asm volatile (
"1: \n"
"vld1.u8 {q0,q1,q2,q3}, [%0]! \n" // load 64
"pld [%0, #0xC0] \n" // preload
"vldm %0!,{q0,q1,q2,q3} \n" // load 64
"subs %2, %2, #64 \n" // 64 processed per loop
"vst1.u8 {q0,q1,q2,q3}, [%1]! \n" // store 64
"vstm %1!,{q0,q1,q2,q3} \n" // store 64
"bhi 1b \n"
: "+r"(src), // %0
"+r"(dst), // %1