forever.asm

0000000100000f10	pushq	%rbp
0000000100000f11	movq	%rsp,%rbp
0000000100000f14	subq	$0x20,%rsp
0000000100000f18	movl	%edi,0xfc(%rbp)
0000000100000f1b	movq	%rsi,0xf0(%rbp)
0000000100000f1f	xorb	%al,%al
0000000100000f21	leaq	0x0000003c(%rip),%rcx
0000000100000f28	movq	%rcx,%rdi
0000000100000f2b	callq	0x100000f38	; symbol stub for: _printf
0000000100000f30	jmp	0x100000f1f

forever.c

#include <stdio.h>

#define forever for(;;)

int main(int argc, char **argv) {
	forever {
		printf("Hi");
	}
}

while.asm

0000000100000f10	pushq	%rbp
0000000100000f11	movq	%rsp,%rbp
0000000100000f14	subq	$0x20,%rsp
0000000100000f18	movl	%edi,0xfc(%rbp)
0000000100000f1b	movq	%rsi,0xf0(%rbp)
0000000100000f1f	xorb	%al,%al
0000000100000f21	leaq	0x0000003c(%rip),%rcx
0000000100000f28	movq	%rcx,%rdi
0000000100000f2b	callq	0x100000f38	; symbol stub for: _printf
0000000100000f30	jmp	0x100000f1f

while.c

#include <stdio.h>

int main(int argc, char **argv) {
	while(1) {
		printf("Hi");
	}
}