mcpxiu.cgs

来自「gdb-6.8 Linux下的调试程序 最新版本」· CGS 代码 · 共 77 行

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

	.include "testutils.inc"

	start

	.global mcpxiu
mcpxiu:
	set_fr_iimmed  	4,2,fr7		; multiply small numbers
	set_fr_iimmed  	3,5,fr8
	mcpxiu      	fr7,fr8,acc0
	test_accg_immed 	0,accg0
	test_acc_immed 	26,acc0

	set_fr_iimmed  	1,2,fr7		; multiply by 1
	set_fr_iimmed  	1,3,fr8
	mcpxiu      	fr7,fr8,acc0
	test_accg_immed 	0,accg0
	test_acc_immed 	5,acc0

	set_fr_iimmed  	0,2,fr7		; multiply by 0
	set_fr_iimmed  	0,2,fr8
	mcpxiu      	fr7,fr8,acc0
	test_accg_immed 	0,accg0
	test_acc_immed 	0,acc0

	set_fr_iimmed 	0x3fff,1,fr7	; 15 bit result
	set_fr_iimmed  	0x0001,2,fr8
	mcpxiu      	fr7,fr8,acc0
	test_accg_immed 	0,accg0
	test_acc_limmed	0x0000,0x7fff,acc0

	set_fr_iimmed  	0x4000,1,fr7	; 16 bit result
	set_fr_iimmed  	0x0001,2,fr8
	mcpxiu      	fr7,fr8,acc0
	test_accg_immed 	0,accg0
	test_acc_limmed	0x0000,0x8001,acc0

	set_fr_iimmed  	0x4000,1,fr7	; 17 bit result
	set_fr_iimmed  	0x0001,4,fr8
	mcpxiu      	fr7,fr8,acc0
	test_accg_immed 	0,accg0
	test_acc_immed 	0x00010001,acc0

	set_fr_iimmed  	0x7fff,0x0000,fr7	; max positive result
	set_fr_iimmed  	0x7fff,0x7fff,fr8
	mcpxiu      	fr7,fr8,acc0
	test_accg_immed 	0,accg0
	test_acc_immed 	0x3fff0001,acc0

	set_fr_iimmed  	0x8000,0x8000,fr7	; max positive result
	set_fr_iimmed  	0x0000,0x8000,fr8
	mcpxiu      	fr7,fr8,acc0
	test_accg_immed 	0,accg0
	test_acc_limmed	0x4000,0x0000,acc0

	set_fr_iimmed  	0xffff,0x0000,fr7	; max positive result
	set_fr_iimmed  	0xffff,0xffff,fr8
	mcpxiu      	fr7,fr8,acc0
	test_accg_immed 	0,accg0
	test_acc_limmed	0xfffe,0x0001,acc0

	set_fr_iimmed  	0xfffe,0xffff,fr7	; almost max positive result
	set_fr_iimmed  	0xffff,0xffff,fr8
	mcpxiu      	fr7,fr8,acc0
	test_accg_immed 1,accg0
	test_acc_immed	0xfffb0003,acc0

	set_fr_iimmed  	0xffff,0xffff,fr7	; max positive result
	set_fr_iimmed  	0xffff,0xffff,fr8
	mcpxiu      	fr7,fr8,acc0
	test_accg_immed 1,accg0
	test_acc_immed	0xfffc0002,acc0

	pass