__asm void DISABLE_INT( void )
{
.comm DISABLE_VAR,4,4
mfmsr r3 ; Get current MSR
rlwinm r4,r3,0,17,15 ; Mask External Interrupt Enable bit
mtmsr r4 ; in MSR (bit 16)
sync ; Must sync because of chip bug in some 603E.
addis r4,r0,DISABLE_VAR@ha
stw r3,DISABLE_VAR@l(r4)
}
.comm
块中的__asm
语句是否创建了本地或全局变量?