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Code Issues Releases Activity

ARM: armcc versions of bswap_16/32

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Originally committed as revision 17830 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård 2009-03-05 21:20:10 +00:00
parent 03e3776293
commit 1e65f62e2b
1 changed files with 21 additions and 0 deletions
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21
libavutil/arm/bswap.h
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@ -23,6 +23,25 @@
#include "config.h"
#include "libavutil/common.h"
#ifdef __ARMCC_VERSION
#if HAVE_ARMV6
#define bswap_16 bswap_16
static av_always_inline av_const uint16_t bswap_16(uint16_t x)
{
__asm { rev16 x, x }
return x;
}
#define bswap_32 bswap_32
static av_always_inline av_const uint32_t bswap_32(uint32_t x)
{
return __rev(x);
}
#endif /* HAVE_ARMV6 */
#else /* __ARMCC_VERSION */
#if HAVE_ARMV6
#define bswap_16 bswap_16
static av_always_inline av_const uint16_t bswap_16(uint16_t x)
@ -48,4 +67,6 @@ static av_always_inline av_const uint32_t bswap_32(uint32_t x)
return x;
}
#endif /* __ARMCC_VERSION */
#endif /* AVUTIL_ARM_BSWAP_H */