#include <stdio.h>

int main ()
{
  int a;
  int b;

  a = 1;
  b = 2;

  printf ("a + b = %d\n", a + b);

  return 0;
}
[ryand@Arch ryand]$ more z.s
        .file   "z.c"
        .version        "01.01"
gcc2_compiled.:
                .section        .rodata
.LC0:
        .string "a + b = %d\n"
.text
        .align 4
.globl main
        .type    main,@function
main:
        pushl   %ebp
        movl    %esp, %ebp
        subl    $8, %esp
        movl    $1, -4(%ebp)
        movl    $2, -8(%ebp)
        subl    $8, %esp
        movl    -8(%ebp), %eax
        addl    -4(%ebp), %eax
        pushl   %eax
        pushl   $.LC0
        call    printf
        addl    $16, %esp
        movl    $0, %eax
        leave
        ret
.Lfe1:
        .size    main,.Lfe1-main
        .ident  "GCC: (GNU) 2.96 20000731 (Red Hat Linux 7.0)"
		
------------------------------------------------------------------------

#include <stdio.h>

int Foo (int x, int y)
{
  return x + y;
}

int main ()
{
  int a;
  int b;

  a = 1;
  b = 2;

  printf ("a + b = %d\n", Foo (a, b));

  return 0;
}
[ryand@Arch ryand]$ more z.s
        .file   "z.c"
        .version        "01.01"
gcc2_compiled.:
.text
        .align 4
.globl Foo
        .type    Foo,@function
Foo:
        pushl   %ebp
        movl    %esp, %ebp
        subl    $4, %esp
        movl    12(%ebp), %eax
        movl    8(%ebp), %edx
        addl    %eax, %edx
        movl    %edx, -4(%ebp)
        movl    -4(%ebp), %eax
        leave
        ret
.Lfe1:
        .size    Foo,.Lfe1-Foo
                .section        .rodata
.LC0:
        .string "a + b = %d\n"
.text
        .align 4
.globl main
        .type    main,@function
main:
        pushl   %ebp
        movl    %esp, %ebp
        subl    $24, %esp
        movl    $1, -4(%ebp)
        movl    $2, -8(%ebp)
        subl    $8, %esp
        pushl   -8(%ebp)
        pushl   -4(%ebp)
        call    Foo
        addl    $8, %esp
        movl    %eax, -12(%ebp)
        pushl   -12(%ebp)
        pushl   $.LC0
        call    printf
        addl    $16, %esp
        movl    $0, %eax
        leave
        ret
.Lfe2:
        .size    main,.Lfe2-main
        .ident  "GCC: (GNU) 2.96 20000731 (Red Hat Linux 7.0)"
------------------------------------------------------------------------