ARM: bswap: drop armcc version of av_bswap16()
authorMans Rullgard <mans@mansr.com>
Tue, 2 Oct 2012 15:34:34 +0000 (16:34 +0100)
committerMans Rullgard <mans@mansr.com>
Tue, 2 Oct 2012 18:47:56 +0000 (19:47 +0100)
This function causes several versions of armcc to miscompile code,
and the performance impact is small.

Signed-off-by: Mans Rullgard <mans@mansr.com>
libavutil/arm/bswap.h

index f94cbcf..e49cdd4 100644 (file)
 #ifdef __ARMCC_VERSION
 
 #if HAVE_ARMV6
-#define av_bswap16 av_bswap16
-static av_always_inline av_const unsigned av_bswap16(unsigned x)
-{
-    __asm { rev16 x, x }
-    return x;
-}
-
 #define av_bswap32 av_bswap32
 static av_always_inline av_const uint32_t av_bswap32(uint32_t x)
 {