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Fix the bug (0 extension from int to int64) in ScaleARGBRowDownEven_NEON.

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Reason of this bug is that ARM64 can't extend the sign bit of a 32-bit integer
to 64-bit integer automatically.
ScaleARGBRowDownEven_NEON is also enabled for ARM64.

BUG=319
TESTED=libyuv_unittest
R=fbarchard@google.com

Change-Id: Ib8d30a05156239247296aa8bb4faa94b4f69a9c3

Review URL: https://webrtc-codereview.appspot.com/32949004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1273 16f28f9a-4ce2-e073-06de-1de4eb20be90
This commit is contained in:
yang.zhang@arm.com 2015-02-10 06:04:12 +00:00
parent 738dfa0307
commit 63996ab7ca
2 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
source/rotate_argb.cc
View File

@ -31,7 +31,7 @@ void ScaleARGBRowDownEven_SSE2(const uint8* src_ptr, int src_stride,
uint8* dst_ptr, int dst_width);
#endif
#if !defined(LIBYUV_DISABLE_NEON) && !defined(__native_client__) && \
(defined(__ARM_NEON__) || defined(LIBYUV_NEON))
(defined(__ARM_NEON__) || defined(LIBYUV_NEON) || defined(__aarch64__))
#define HAS_SCALEARGBROWDOWNEVEN_NEON
void ScaleARGBRowDownEven_NEON(const uint8* src_ptr, int src_stride,
int src_stepx,

2
source/scale_neon64.cc
View File

@ -701,7 +701,7 @@ void ScaleARGBRowDownEven_NEON(const uint8* src_argb, ptrdiff_t src_stride,
: "+r"(src_argb), // %0
"+r"(dst_argb), // %1
"+r"(dst_width) // %2
: "r"(src_stepx * 4) // %3
: "r"(static_cast<ptrdiff_t>(src_stepx * 4)) // %3
: "memory", "cc", "v0"
);
}