subx.cgs

来自「gdb-6.8 Linux下的调试程序 最新版本」· CGS 代码 · 共 61 行

# frv testcase for subx $GRi,$GRj,$GRk,$ICCi_1
# mach: all

	.include "testutils.inc"

	start

	.global subx
subx:
	set_gr_immed   	1,gr7
	set_gr_immed   	2,gr8
	set_icc         0x0e,0		; Make sure carry is off
	subx      	gr8,gr7,gr8,icc0
	test_icc	1 1 1 0 icc0
	test_gr_immed  	1,gr8

	set_gr_immed   	1,gr7
	set_gr_limmed   0x8000,0x0000,gr8
	set_icc         0x0c,0		; Make sure carry is off
	subx		gr8,gr7,gr8,icc0
	test_icc	1 1 0 0 icc0
	test_gr_limmed  0x7fff,0xffff,gr8

	set_icc         0x0a,0		; Make sure carry is off
	subx		gr8,gr8,gr8,icc0
	test_icc	1 0 1 0 icc0
	test_gr_immed  	0,gr8

	set_icc         0x06,0		; Make sure carry is off
	subx		gr8,gr7,gr8,icc0
	test_icc	0 1 1 0 icc0
	test_gr_limmed  0xffff,0xffff,gr8

	set_gr_immed   	1,gr7
	set_gr_immed   	3,gr8
	set_icc         0x0f,0		; Make sure carry is on
	subx      	gr8,gr7,gr8,icc0
	test_icc	1 1 1 1 icc0
	test_gr_immed  	1,gr8

	set_gr_immed   	0,gr7
	set_gr_limmed   0x8000,0x0000,gr8
	set_icc         0x0d,0		; Make sure carry is on
	subx		gr8,gr7,gr8,icc0
	test_icc	1 1 0 1 icc0
	test_gr_limmed  0x7fff,0xffff,gr8

	set_gr_limmed  	0x7fff,0xfffe,gr7
	set_icc         0x0b,0		; Make sure carry is on
	subx		gr8,gr7,gr8,icc0
	test_icc	1 0 1 1 icc0
	test_gr_immed  	0,gr8

	set_gr_immed   	0,gr7
	set_icc         0x07,0		; Make sure carry is on
	subx		gr8,gr7,gr8,icc0
	test_icc	0 1 1 1 icc0
	test_gr_limmed  0xffff,0xffff,gr8

	pass