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Code Issues Releases Activity

avutil/arm/intmath: return int for uint8 / uint16 clip

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The C functions return uint8/16_t but that is effectively int not unsigned int
Fixes fate-filter-tblend

We do not return uint8/16_t as that would require the compiler to truncate the
values, slowing it down.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-07-20 17:16:20 +02:00
parent f85bc147fb
commit d82d11397f
1 changed files with 4 additions and 4 deletions
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8
libavutil/arm/intmath.h
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@ -31,9 +31,9 @@
#if HAVE_ARMV6_INLINE
#define av_clip_uint8 av_clip_uint8_arm
static av_always_inline av_const unsigned av_clip_uint8_arm(int a)
static av_always_inline av_const int av_clip_uint8_arm(int a)
{
unsigned x;
int x;
__asm__ ("usat %0, #8, %1" : "=r"(x) : "r"(a));
return x;
}
@ -47,9 +47,9 @@ static av_always_inline av_const int av_clip_int8_arm(int a)
}
#define av_clip_uint16 av_clip_uint16_arm
static av_always_inline av_const unsigned av_clip_uint16_arm(int a)
static av_always_inline av_const int av_clip_uint16_arm(int a)
{
unsigned x;
int x;
__asm__ ("usat %0, #16, %1" : "=r"(x) : "r"(a));
return x;
}