addn.cgs

来自「gdb-6.8 Linux下的调试程序 最新版本」· CGS 代码 · 共 56 行

# fr30 testcase for addn $Rj,$Ri, addn $u4,$Rj
# mach(): fr30

	.include "testutils.inc"

	START

	.text
	.global addn
addn:
	; Test addn $Rj,$Ri
	mvi_h_gr   	1,r7
	mvi_h_gr   	2,r8
	set_cc          0x0f		; Set mask opposite of normal result
	addn      	r7,r8
	test_cc		1 1 1 1
	test_h_gr  	3,r8

	mvi_h_gr   	0x7fffffff,r7
	mvi_h_gr   	1,r8
	set_cc          0x05		; Set mask opposite of normal result
	addn		r7,r8
	test_cc		0 1 0 1
	test_h_gr  	0x80000000,r8

	set_cc          0x08		; Set mask opposite of normal result
	addn		r8,r8
	test_cc		1 0 0 0
	test_h_gr  	0,r8

	; Test addn $u4Ri
	mvi_h_gr   	4,r8
	set_cc          0x0f		; Set mask opposite of normal result
	addn		0,r8
	test_cc		1 1 1 1
	test_h_gr  	4,r8
	set_cc          0x0f		; Set mask opposite of normal result
	addn		1,r8
	test_cc		1 1 1 1
	test_h_gr  	5,r8
	set_cc          0x0f		; Set mask opposite of normal result
	addn		15,r8
	test_cc		1 1 1 1
	test_h_gr  	20,r8
	mvi_h_gr   	0x7fffffff,r8	; test neg and overflow bits
	set_cc          0x05		; Set mask opposite of normal result
	addn		1,r8
	test_cc		0 1 0 1
	test_h_gr  	0x80000000,r8
	set_cc          0x08		; Set mask opposite of normal result
	addn		r8,r8		; test zero, carry and overflow bits
	test_cc		1 0 0 0;
	test_h_gr  	0,r8

	pass