stacktest.s

来自「非常好的汇编代码示例」· S 代码 · 共 31 行

# stacktest.s - An example of working with the FPU stack
.section .data
value1:
   .int 40
value2:
   .float 92.4405
value3:
   .double 221.440321
.section .bss
   .lcomm int1, 4
   .lcomm control, 2
   .lcomm status, 2
   .lcomm result, 4
.section .text
.globl _start
_start:
   nop
   finit
   fstcw control
   fstsw status
   filds value1
   fists int1
   flds value2
   fldl value3
   fst %st(4)
   fxch %st(1)
   fstps result
   movl $1, %eax
   movl $0, %ebx
   int $0x80