"1: lwarx %0, 0, %2\n"
" stwcx. %1, 0, %2\n"
" bne- 1b"
- :"=r" (result)
+ :"=&r" (result)
:"r" (w), "r" (p)
);
#elif sparc_HOST_ARCH
{
#if i386_HOST_ARCH || x86_64_HOST_ARCH
__asm__ __volatile__ (
- "lock/cmpxchg %3,%1"
+ "lock\ncmpxchg %3,%1"
:"=a"(o), "=m" (*(volatile unsigned int *)p)
:"0" (o), "r" (n));
return o;