addn2.cgs

gdb是linux下的一个远程调试环境.能让你很方便地调试linux下的代码.

# fr30 testcase for addn2 $m4,$Ri
# mach(): fr30

	.include "testutils.inc"

	START

	.text
	.global add
add:
	mvi_h_gr   	30,r8
	set_cc          0x0e	; Set mask opposite of normal result
	addn2       	-16,r8	; Max value of immediate field
	test_cc		1 1 1 0
	test_h_gr  	14,r8

	set_cc          0x0e	; Set mask opposite of normal result
	addn2       	-3,r8	; Mid value of immediate field
	test_cc		1 1 1 0
	test_h_gr  	11,r8

	set_cc          0x0e	; Set mask opposite of normal result
	addn2       	-1,r8	; Min value of immediate field
	test_cc		1 1 1 0
	test_h_gr  	10,r8

	set_cc          0x0a	; Set mask opposite of normal result
	addn2       	-10,r8	; Test zero and carry bits
	test_cc		1 0 1 0
	test_h_gr  	0,r8

	set_cc          0x07	; Set mask opposite of normal result
	addn2       	-16,r8	; Test negative bit
	test_cc		0 1 1 1
	test_h_gr  	-16,r8

	mvi_h_gr	0x80000000,r8
	set_cc          0x0c	; Set mask opposite of normal result
	addn2       	-1,r8	; Test overflow bit
	test_cc		1 1 0 0
	test_h_gr  	0x7fffffff,r8

	pass