nudiv.cgs

gdb-6.8 Linux下的调试程序 最新版本

# frv testcase for nudiv $GRi,$GRj,$GRk
# mach: fr500 fr550 frv

	.include "testutils.inc"

	start

	.global nudiv
nudiv:
	set_spr_immed	0,gner0
	set_spr_immed	0,gner1

	; simple division 12 / 3
	set_gr_immed   	0x00000003,gr2
	set_gr_immed   	0x0000000c,gr3
	nudiv      	gr3,gr2,gr3
	test_gr_immed  	0x00000003,gr2
	test_gr_immed  	0x00000004,gr3
	test_spr_immed	0,gner0
	test_spr_immed	0,gner1

	; example 1 from the fr30 manual
	set_gr_limmed  	0x0123,0x4567,gr2
	set_gr_limmed  	0xfedc,0xba98,gr3
	nudiv      	gr3,gr2,gr3
	test_gr_limmed 	0x0123,0x4567,gr2
	test_gr_immed  	0x000000e0,gr3
	test_spr_immed	0,gner0
	test_spr_immed	0,gner1

	or_spr_immed	0x20,isr	; turn on isr.edem
	nudiv      	gr1,gr0,gr32	; divide by zero
	test_spr_immed	1,gner0
	test_spr_immed	0,gner1

	and_spr_immed	-33,isr		; turn off isr.edem
	nudiv      	gr1,gr0,gr10	; divide by zero
	test_spr_immed	1,gner0
	test_spr_immed	0x00000400,gner1

	; simple division 12 / 3 -- should turn off ne flag
	set_gr_immed   	12,gr1
	set_gr_immed   	3,gr3
	nudiv      	gr1,gr3,gr10
	test_gr_immed  	4,gr10
	test_spr_immed	1,gner0
	test_spr_immed	0,gner1

	pass