assemble code of structureinit.s

structureinit.s

	.section	__TEXT,__text,regular,pure_instructions
	.build_version macos, 12, 0	sdk_version 12, 0
	.globl	_sum                            ## -- Begin function sum
	.p2align	4, 0x90
_sum:                                   ## @sum
	.cfi_startproc
## %bb.0:
	pushq	%rbp
	.cfi_def_cfa_offset 16
	.cfi_offset %rbp, -16
	movq	%rsp, %rbp
	.cfi_def_cfa_register %rbp
	movq	%rdi, -32(%rbp)
	movl	%esi, -24(%rbp)
	movq	-32(%rbp), %rax
	movq	%rax, -16(%rbp)
	movl	-24(%rbp), %eax
	movl	%eax, -8(%rbp)
	movl	-16(%rbp), %eax
	addl	-12(%rbp), %eax
	popq	%rbp
	retq
	.cfi_endproc
                                        ## -- End function
	.globl	_main                           ## -- Begin function main
	.p2align	4, 0x90
_main:                                  ## @main
	.cfi_startproc
## %bb.0:
	pushq	%rbp
	.cfi_def_cfa_offset 16
	.cfi_offset %rbp, -16
	movq	%rsp, %rbp
	.cfi_def_cfa_register %rbp
	subq	$32, %rsp
	movl	$0, -4(%rbp)
	movl	$1, -16(%rbp)
	movl	$2, -12(%rbp)
	movq	-16(%rbp), %rax
	movq	%rax, -32(%rbp)
	movl	-8(%rbp), %eax
	movl	%eax, -24(%rbp)
	movq	-32(%rbp), %rdi
	movl	-24(%rbp), %esi
	callq	_sum
	movl	%eax, -8(%rbp)
	movl	-16(%rbp), %esi
	movl	-12(%rbp), %edx
	movl	-8(%rbp), %ecx
	leaq	L_.str(%rip), %rdi
	movb	$0, %al
	callq	_printf
	xorl	%eax, %eax
	addq	$32, %rsp
	popq	%rbp
	retq
	.cfi_endproc
                                        ## -- End function
	.section	__TEXT,__cstring,cstring_literals
L_.str:                                 ## @.str
	.asciz	"%d %d %d\n"

.subsections_via_symbols

source code (structureinit.c) is here;
https://gist.github.com/yyasuda/bb6c0ad6ffcbf6a526d775c360398a98