fcmovtest.s

非常好的汇编代码示例

# fcmovtest.s - An example of the FCMOVxx instructions
.section .data
value1:
   .float 20.5
value2:
   .float 10.90
.section .text
.globl _start
_start:
   nop
   finit
   flds value1
   flds value2
   fcomi %st(1), %st(0)
   fcmovb %st(1), %st(0)

   movl $1, %eax
   movl $0, %ebx
   int $0x80