.text
zerop:
	pushq %rbp
	movq %rsp, %rbp
	cmpl $0, %edi
	jnz .Lbb2
	movl $1, %eax
	jmp .Lbb3
.Lbb2:
	movl $0, %eax
.Lbb3:
	leave
	ret
.type zerop, @function
.size zerop, .-zerop
/* end function zerop */

.text
factorial:
	pushq %rbp
	movq %rsp, %rbp
	subq $8, %rsp
	pushq %rbx
	movq %rdi, %rbx
	callq zerop
	movq %rbx, %rdi
	cmpl $0, %eax
	jnz .Lbb6
	movq %rdi, %rbx
	subq $1, %rdi
	callq factorial
	movq %rbx, %rdi
	imulq %rdi, %rax
	jmp .Lbb7
.Lbb6:
	movl $1, %eax
.Lbb7:
	popq %rbx
	leave
	ret
.type factorial, @function
.size factorial, .-factorial
/* end function factorial */

.data
.balign 8
fstr:
	.ascii "fac 3 = %d\n"
	.byte 0
/* end data */

.text
.globl main
main:
	pushq %rbp
	movq %rsp, %rbp
	movl $3, %edi
	callq factorial
	movq %rax, %rsi
	leaq fstr(%rip), %rdi
	movl $0, %eax
	callq printf
	movl $0, %eax
	leave
	ret
.type main, @function
.size main, .-main
/* end function main */

.section .note.GNU-stack,"",@progbits