asm("xor %1, %1\n"\
"mov $0x12345678, %0\n"\
#op " %" size "2, %" size "0 ; setz %b1" \
- : "=r" (res), "=q" (resz)\
- : "g" (val));\
+ : "=&r" (res), "=&q" (resz)\
+ : "r" (val));\
printf("%-10s A=" FMTLX " R=" FMTLX " %ld\n", #op, val, res, resz);\
}