$ echo 'int foo(int c) { int a, b; a = (c%10); b = (c/10); return a+b; }' | gcc -S -x c - -O3 -o /dev/stdout
	.file	""
	.text
	.p2align 4,,15
.globl foo
	.type	foo, @function
foo:
	pushl	%ebp
	movl	$1717986919, %edx
	movl	%esp, %ebp
	movl	8(%ebp), %ecx
	popl	%ebp
	movl	%ecx, %eax
	imull	%edx
	movl	%ecx, %eax
	sarl	$31, %eax
	sarl	$2, %edx
	subl	%eax, %edx
	leal	(%edx,%edx,4), %eax
	addl	%eax, %eax
	subl	%eax, %ecx
	leal	(%edx,%ecx), %eax
	ret
	.size	foo, .-foo
	.ident	"GCC: (Ubuntu 4.4.3-4ubuntu5) 4.4.3"
	.section	.note.GNU-stack,"",@progbits