MIPS汇编语言学习笔记23：if 语句分支指令

本文已收录于 MIPS汇编语言学习笔记系列，共计 27 篇，本篇是第 21 篇

[title]C语言[/title]

#include<stdio.h>

int main()
{
    int i = 3;
    if (i < 5)
    {
        printf("yes!\n");
    }else
    {
        printf("No!\n");
    }
    return 0;
}

#include<stdio.h>
int main()
{
int i = 3;
if (i < 5)
{
printf("yes!\n");
}else
{
printf("No!\n");
}
return 0;
}

#include<stdio.h>

int main()
{
    int i = 3;
    if (i < 5)
    {
        printf("yes!\n");
    }else
    {
        printf("No!\n");
    }
    return 0;
}

MIPS汇编语言

.data
	Yes:	.asciiz	"Yes"
	No:	.asciiz "No"

.text
	main:
		addi	$a0, $zero, 3
		slti	$a1, $a0, 5
		beq	$a1, $zero, L1
		
		# 打印yes
		la	$a0, Yes
		li	$v0, 4
		syscall
		
		#终止程序
		li	$v0, 10
		syscall
	L1:
		# 打印yes
		la	$a0, No
		li	$v0, 4
		syscall
		
		#终止程序
		li	$v0, 10
		syscall

.data
Yes: .asciiz "Yes"
No: .asciiz "No"
.text
main:
addi $a0, $zero, 3
slti $a1, $a0, 5
beq $a1, $zero, L1
# 打印yes
la $a0, Yes
li $v0, 4
syscall
#终止程序
li $v0, 10
syscall
L1:
# 打印yes
la $a0, No
li $v0, 4
syscall
#终止程序
li $v0, 10
syscall

.data
	Yes:	.asciiz	"Yes"
	No:	.asciiz "No"

.text
	main:
		addi	$a0, $zero, 3
		slti	$a1, $a0, 5
		beq	$a1, $zero, L1
		
		# 打印yes
		la	$a0, Yes
		li	$v0, 4
		syscall
		
		#终止程序
		li	$v0, 10
		syscall
	L1:
		# 打印yes
		la	$a0, No
		li	$v0, 4
		syscall
		
		#终止程序
		li	$v0, 10
		syscall