mulu.cgs

来自「gdb-6.8 Linux下的调试程序 最新版本」· CGS 代码 · 共 102 行

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

	.include "testutils.inc"

	START

	.text
	.global mulu
mulu:
	; Test mulu $Rj,$Ri
	; Positive operands
	mvi_h_gr   	3,r7		; multiply small numbers
	mvi_h_gr   	2,r8
	set_cc          0x0f		; Set mask opposite of expected
	mulu      	r7,r8
	test_cc		0 0 0 1
	test_h_dr  	0,mdh
	test_h_dr  	6,mdl

	mvi_h_gr   	1,r7		; multiply by 1
	mvi_h_gr   	2,r8
	set_cc          0x0e		; Set mask opposite of expected
	mulu      	r7,r8
	test_cc		0 0 0 0
	test_h_dr  	0,mdh
	test_h_dr  	2,mdl

	mvi_h_gr   	2,r7		; multiply by 1
	mvi_h_gr   	1,r8
	set_cc          0x0f		; Set mask opposite of expected
	mulu      	r7,r8
	test_cc		0 0 0 1
	test_h_dr  	0,mdh
	test_h_dr  	2,mdl

	mvi_h_gr   	0,r7		; multiply by 0
	mvi_h_gr   	2,r8
	set_cc          0x0b		; Set mask opposite of expected
	mulu      	r7,r8
	test_cc		0 1 0 1
	test_h_dr  	0,mdh
	test_h_dr  	0,mdl

	mvi_h_gr   	2,r7		; multiply by 0
	mvi_h_gr   	0,r8
	set_cc          0x0a		; Set mask opposite of expected
	mulu      	r7,r8
	test_cc		0 1 0 0
	test_h_dr  	0,mdh
	test_h_dr  	0,mdl

	mvi_h_gr   	0x3fffffff,r7	; 31 bit result
	mvi_h_gr   	2,r8
	set_cc          0x0f		; Set mask opposite of expected
	mulu      	r7,r8
	test_cc		0 0 0 1
	test_h_dr  	0,mdh
	test_h_dr  	0x7ffffffe,mdl

	mvi_h_gr   	0x40000000,r7	; 32 bit result
	mvi_h_gr   	2,r8
	set_cc          0x0e		; Set mask opposite of expected
	mulu      	r7,r8
	test_cc		0 0 0 0
	test_h_dr  	0,mdh
	test_h_dr  	0x80000000,mdl

	mvi_h_gr   	0x80000000,r7	; 33 bit result
	mvi_h_gr   	2,r8
	set_cc          0x09		; Set mask opposite of expected
	mulu      	r7,r8
	test_cc		0 1 1 1
	test_h_dr  	1,mdh
	test_h_dr  	0x00000000,mdl

	mvi_h_gr   	0x7fffffff,r7	; max positive result
	mvi_h_gr   	0x7fffffff,r8
	set_cc          0x0d		; Set mask opposite of expected
	mulu      	r7,r8
	test_cc		0 0 1 1
	test_h_dr  	0x3fffffff,mdh
	test_h_dr  	0x00000001,mdl

	mvi_h_gr   	0x80000000,r7	; max positive result
	mvi_h_gr   	0x80000000,r8
	set_cc          0x09		; Set mask opposite of expected
	mulu      	r7,r8
	test_cc		0 1 1 1
	test_h_dr  	0x40000000,mdh
	test_h_dr  	0x00000000,mdl

	mvi_h_gr   	0xffffffff,r7	; max positive result
	mvi_h_gr   	0xffffffff,r8
	set_cc          0x05		; Set mask opposite of expected
	mulu      	r7,r8
	test_cc		1 0 1 1
	test_h_dr  	0xfffffffe,mdh
	test_h_dr  	0x00000001,mdl

	pass