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ARM: change argument/return type of bswap_16() to unsigned 32-bit 

This avoids unnecessary masking otherwise added by the compilers.

Originally committed as revision 21953 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård 2010-02-22 00:34:08 +00:00
parent a87b2f6df4
commit ac73f1a816
1 changed files with 2 additions and 2 deletions
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4
libavutil/arm/bswap.h
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@ -27,7 +27,7 @@
#if HAVE_ARMV6
#define bswap_16 bswap_16
static av_always_inline av_const uint16_t bswap_16(uint16_t x)
static av_always_inline av_const unsigned bswap_16(unsigned x)
{
__asm { rev16 x, x }
return x;
@ -44,7 +44,7 @@ static av_always_inline av_const uint32_t bswap_32(uint32_t x)
#if HAVE_ARMV6
#define bswap_16 bswap_16
static av_always_inline av_const uint16_t bswap_16(uint16_t x)
static av_always_inline av_const unsigned bswap_16(unsigned x)
{
__asm__("rev16 %0, %0" : "+r"(x));
return x;