echo -e 'f(a,b){return a*b;}main(){printf("%d\\n",f(rand(),rand()));}' | gcc -m32 -O0 -xc -S -o - -

        .file   ""
        .text
.globl f
        .type   f, @function
f:
        pushl   %ebp
        movl    %esp, %ebp
        movl    8(%ebp), %eax
        imull   12(%ebp), %eax
        popl    %ebp
        ret
        .size   f, .-f
        .section        .rodata
.LC0:
        .string "%d\n"
        .text
.globl main
        .type   main, @function
main:
        pushl   %ebp
        movl    %esp, %ebp
        andl    $-16, %esp
        pushl   %ebx
        subl    $28, %esp
        call    rand
        movl    %eax, %ebx
        call    rand
        movl    %ebx, 4(%esp)
        movl    %eax, (%esp)
        call    f
        movl    %eax, 4(%esp)
        movl    $.LC0, (%esp)
        call    printf
        addl    $28, %esp
        popl    %ebx
        movl    %ebp, %esp
        popl    %ebp
        ret
        .size   main, .-main
        .ident  "GCC: (GNU) 4.4.2 20091208 (prerelease)"
        .section        .note.GNU-stack,"",@progbits