gistfile1.txt

pollux: ~ ⌚ 23:37:40
$ cat main.c
#include <avr/io.h>

void main(){
    while (1){
        PORTC |= 2;
    }
}

pollux: ~ ⌚ 23:37:42
$ avr-gcc -mmcu=atmega328p -O3 -S main.c

pollux: ~ ⌚ 23:37:46
$ cat main.s
	.file	"main.c"
__SP_H__ = 0x3e
__SP_L__ = 0x3d
__SREG__ = 0x3f
__tmp_reg__ = 0
__zero_reg__ = 1
	.section	.text.startup,"ax",@progbits
.global	main
	.type	main, @function
main:
/* prologue: function */
/* frame size = 0 */
/* stack size = 0 */
.L__stack_usage = 0
.L2:
	sbi 0x8,1                      /* look here, and here: https://github.com/vancegroup-mirrors/avr-libc/blob/master/avr-libc/include/avr/iom328p.h#L102 */
	rjmp .L2
	.size	main, .-main
	.ident	"GCC: (GNU) 4.8.1"