fcomtest.s

非常好的汇编代码示例

# fcomtest.s - An example of the FCOM instruction
.section .data
value1:
   .float 10.923
value2:
   .float 4.5532
.section .text
.globl _start
_start:
   nop
   flds value1
   fcoms value2
   fstsw
   sahf
   ja greater
   jb lessthan
   movl $1, %eax
   movl $0, %ebx
   int $0x80
greater:
   movl $1, %eax
   movl $2, %ebx
   int $0x80
lessthan:
   movl $1, %eax
   movl $1, %ebx
   int $0x80