Use a + constraint modifier for a register arg in __bswap16_var().

Reviewed by: cognet
2005-07-27 19:59:21 +00:00 · 2005-07-27 19:59:21 +00:00 · e11fe02dfb
commit e11fe02dfb
parent 4eae015de1
1 changed files with 2 additions and 3 deletions
--- a/sys/arm/include/endian.h
+++ b/sys/arm/include/endian.h
@ -100,11 +100,10 @@ static __inline __uint16_t
 __bswap16_var(__uint16_t v)
 {
 	__asm __volatile(
-	    "mov    %0, %1, ror #8\n"
+	    "mov    %0, %0, ror #8\n"
 	    "orr    %0, %0, %0, lsr #16\n"
 	    "bic    %0, %0, %0, lsl #16"
-	    : "=r" (v)
-	    : "0" (v));
+	    : "+r" (v));
 	
 	return (v);
 }