test/floattest.asm

   1 ; nasm -O99 -f elf32 floattest.asm
   2 ; ld -m elf_i386 -o floattest floattest.o -I/lib/ld-linux.so.2 -lc
   3
   4         global _start
   5         extern printf
   6
   7         section .text
   8 _start:
   9
  10         fld qword [num1]
  11         fadd qword [num2]
  12         sub esp, 8
  13         fstp qword [esp]
  14         push fmt
  15         call printf
  16         add esp, 4*3
  17
  18         mov eax, 1
  19         xor ebx, ebx
  20         int 80h
  21
  22         section .data
  23 num1    dq 41.5
  24 num2    dq 0.5
  25
  26 fmt     db "%f", 10, 0