testmisc.s

cpu的源码

#
# $Id: testmisc.s,v 1.6 2003/02/25 10:17:11 nj Exp $
# Instructions to be tested in this test program:
# 
# All arithmetic instructions:
# add, addi, addiu, addu, div, divu, mul, mult,
# multu, slt, slti, sltiu, sltu, sub, subu
# 
# Shift instructions:
# sll, sllv, sra, srav, srl, srlv
# 
# Logical instructions:
# and, andi, lui, nor, or, ori, xor, xori
#

	.file	1 "testmisc.s"
	.abicalls
	.text
	.align	2
	.globl	main
	.ent	main
		.type		 main,@function
main:
	.frame	$fp,24,$31
	.mask	0x50000000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.cpload	$25
	.set	reorder
	subu	$sp,$sp,24
	.cprestore 0
	sw	$fp,20($sp)
	sw	$28,16($sp)
	move	$fp,$sp

	
### 
### Test ADD
###
	li	$2,0
	li	$3,0
	add	$11,$2,$3	# 0 = 0 + 0
	li	$12,0
	li	$13,1		# Test 1
	bne	$11,$12,failed

	li	$4,256
	li	$5,744
	add	$11,$4,$5	# 1000 = 256 + 744
	li	$12,1000
	li	$13,2		# Test 2
	bne	$11,$12,failed
	
	li	$6,-256
	li	$7,-744
	add	$11,$6,$7	# -1000 = -256 + -744
	li	$12,-1000
	li	$13,3		# Test 3
	bne	$11,$12,failed

	li	$8,-200
	li	$9,700
	add	$11,$8,$9	# 500 = -200 + 700
	li	$12,500
	li	$13,30001	# Test 30001
	bne	$11,$12,failed


### 
### ADDI
###
	li	$2,0
	addi	$11,$2,0	# 0 = 0 + 0
	li	$12,0
	li	$13,4		# Test 4
	bne	$11,$12,failed

	li	$3,555
	addi	$11,$3,445	# 1000 = 555 + 445
	li	$12,1000
	li	$13,5		# Test 5
	bne	$11,$12,failed
					
	li	$4,-888
	addi	$11,$4,-112	# -1000 = -888 + -112
	li	$12,-1000
	li	$13,6		# Test 6
	bne	$11,$12,failed

### 
### ADDU
###
	li	$2,0
	li	$3,0
	addu	$11,$2,$3	# 0 = 0 + 0
	li	$12,0
	li	$13,7		# Test 7
	bne	$11,$12,failed

	li	$4,333
	li	$5,667
	addu	$11,$4,$5	# 1000 = 333 + 667
	li	$12,1000
	li	$13,8		# Test 8
	bne	$11,$12,failed

	li	$6,-77777
	li	$7,-22223
	addu	$11,$6,$7	# 100000 = -77777 + -22223
	li	$12,100000
	li	$13,9		# Test 9
	bne	$11,$12,failed

	li	$8,0x7fffffff
	li	$9,2
	addu	$11,$8,$9	# 0x80000001 = 0x7FFFFFFF + 2
	li	$12,0x8000001
	li	$13,10		# Test 10
	bne	$11,$12,failed

	li	$9,0xffffffff
	li	$10,2
	addu	$11,$9,$10	# 1 = 0xFFFFFFFF + 2
	li	$12,1
	li	$13,11		# Test 11
	bne	$11,$12,failed

### 
### ADDIU
###
	li	$2,0
	addiu	$11,$2,0	# 0 = 0 + 0
	li	$12,0
	li	$13,12		# Test 12
	bne	$11,$12,failed

	li	$4,333
	addiu	$11,$4,667	# 1000 = 333 + 667
	li	$12,1000
	li	$13,13		# Test 13
	bne	$11,$12,failed

	li	$6,-77777
	addiu	$11,$6,-22223	# 100000 = -77777 + -22223
	li	$12,100000
	li	$13,14		# Test 14
	bne	$11,$12,failed

	li	$8,0x7fffffff
	addiu	$11,$8,2	# 0x80000001 = 0x7FFFFFFF + 2
	li	$12,0x8000001
	li	$13,15		# Test 15
	bne	$11,$12,failed

	li	$9,0xffffffff
	addiu	$11,$9,2	# 1 = 0xFFFFFFFF + 2
	li	$12,1
	li	$13,16		# Test 16
	bne	$11,$12,failed
	
### 
### SUB
###
	li	$2,0
	li	$3,0
	sub	$11,$2,$3	# 0 = 0 + 0
	li	$12,0
	li	$13,17		# Test 17
	bne	$11,$12,failed

	li	$2,0
	li	$3,0
	sub	$11,$2,$3	# 0 = 0 + 0
	li	$12,0
	li	$13,17		# Test 17
	bne	$11,$12,failed


	sub	$2,$2,$4 # pos - pos
	sub	$2,$2,$3 # pos - neg
	subu	$6,$5,$4 # neg - pos -> pos - pos
	subu	$7,$5,$3 # neg - neg -> pos - pos

	
	
####
	
		
	
	li	$2,64000
	li	$3,-320
	li	$4,320
	li	$5,-14000
	div	$6,$2,$3
	divu	$7,$2,$4
#	madd	
#	maddu	
#	msub	
#	msubu	
	mul	$6,$3,$4
	mult	$2,$4
	multu	$2,$3


	li	$2,1024
	li	$3,3
	li	$4,4
	li	$5,-10
	sll	$2,$2,3
	sllv	$2,$2,$3
	sra	$6,$5,2
	srav	$6,$5,$3
	srl	$6,$2,5
	srlv	$6,$2,$4

	li	$2,0x10ff
	li	$3,0x20f0
	li	$4,-1
	li	$5,0x0001
	and	$6,$2,$3
	and	$6,$4,$0
	andi	$7,$5,65
	lui	$2,0x1234
	nor	$6,$4,$5
	or	$6,$3,$3
	ori	$6,$5,0xf000
	xor	$6,$2,$3
	xori	$6,$2,0x0001

	## End of simulation
success:
	nop
	nop
	jr	$14
	nop
	
failed:
	nop
	nop
	jr	$15
	nop

			
	move	$sp,$fp
	lw	$fp,20($sp)
	addu	$sp,$sp,24
	j	$31
	.end	main
	.ident	"GCC: (GNU) 3.0.3"