factorial.c

int factorial(int n)
  {
		if(n == 0) {
			return 1;
		} else {
			return n * factorial (n - 1);
		}
	}

gistfile1.asm

21.file	"foo.c"
	.text
.globl _factorial
	.def	_factorial;	.scl	2;	.type	32;	.endef
_factorial:
	pushl	%ebp
	movl	%esp, %ebp
	subl	$24, %esp
	cmpl	$0, 8(%ebp)
	jne	L2
	movl	$1, %eax
	jmp	L3
L2:
	movl	8(%ebp), %eax
	decl	%eax
	movl	%eax, (%esp)
	call	_factorial
	imull	8(%ebp), %eax
L3:
	leave
	ret

gistfile2.asm

21.file	"foo.c"
	.text
	.p2align 2,,3
.globl _factorial
	.def	_factorial;	.scl	2;	.type	32;	.endef
_factorial:
	pushl	%ebp
	movl	%esp, %ebp
	movl	8(%ebp), %edx
	testl	%edx, %edx
	je	L4
	movl	$1, %eax
	.p2align 2,,3
L3:
	imull	%edx, %eax
	decl	%edx
	jne	L3
	leave
	ret
L4:
	movl	$1, %eax
	leave
	ret