Use native bswap32 instruction when __CPU__ is x86_64 instead of generic 386 code. · afe6a4a0be - Zikk

Use native bswap32 instruction when CPU is x86_64 instead of generic 386 code.

Originally committed as revision 5049 to svn://svn.ffmpeg.org/ffmpeg/trunk

Ivan Kalvachev 19 years ago

parent

85ed1022b3

commit

afe6a4a0be

1 changed files with 1 additions and 1 deletions

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libavutil/bswap.h
							 
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				@@ -27,7 +27,7 @@ static always_inline uint16_t bswap_16(uint16_t x)
			
				 static always_inline uint32_t bswap_32(uint32_t x)
			
				 {
			
				-#if __CPU__ > 386
			
				+#if __CPU__ != 386
			
				  __asm("bswap   %0":
			
				       "=r" (x)     :
			
				 #else