mqcpxru.cgs

来自「这个是LINUX下的GDB调度工具的源码」· CGS 代码 · 共 79 行

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

	.include "testutils.inc"

	start

	.global mqcpxru
mqcpxru:
	set_fr_iimmed  	4,2,fr8		; multiply small numbers
	set_fr_iimmed  	5,3,fr10
	set_fr_iimmed  	1,2,fr9		; multiply by 1
	set_fr_iimmed  	3,1,fr11
	mqcpxru      	fr8,fr10,acc0
	test_accg_immed 	0,accg0
	test_acc_immed 	14,acc0
	test_accg_immed 	0,accg1
	test_acc_immed 	1,acc1

	set_fr_iimmed  	0,2,fr8		; multiply by 0
	set_fr_iimmed  	2,0,fr10
	set_fr_iimmed 	0x3fff,1,fr9	; 15 bit result
	set_fr_iimmed  	2,0x0001,fr11
	mqcpxru      	fr8,fr10,acc0
	test_accg_immed 	0,accg0
	test_acc_immed 	0,acc0
	test_accg_immed 	0,accg1
	test_acc_limmed	0x0000,0x7ffd,acc1

	set_fr_iimmed  	0x4000,1,fr8	; 16 bit result
	set_fr_iimmed  	4,0x0001,fr10
	set_fr_iimmed  	0x8000,1,fr9	; 17 bit result
	set_fr_iimmed  	4,0x0001,fr11
	mqcpxru      	fr8,fr10,acc0
	test_accg_immed 	0,accg0
	test_acc_limmed	0x0000,0xffff,acc0
	test_accg_immed 	0,accg1
	test_acc_immed 	0x0001ffff,acc1

	set_fr_iimmed  	0x7fff,0x0000,fr8	; max positive result
	set_fr_iimmed  	0x7fff,0x7fff,fr10
	set_fr_iimmed  	0x8000,0x8000,fr9	; max positive result
	set_fr_iimmed  	0x8000,0x0000,fr11
	mqcpxru      	fr8,fr10,acc0
	test_accg_immed 	0,accg0
	test_acc_immed 	0x3fff0001,acc0
	test_accg_immed 	0,accg1
	test_acc_limmed	0x4000,0x0000,acc1

	set_fr_iimmed  	0xffff,0x0000,fr8	; max positive result
	set_fr_iimmed  	0xffff,0xffff,fr10
	set_fr_iimmed  	0x0000,0x0001,fr9	; saturation
	set_fr_iimmed  	0xffff,0x0001,fr11
	mqcpxru      	fr8,fr10,acc0
	test_spr_bits	0x3c,2,0x4,msr0		; msr0.sie is set
	test_spr_bits	2,1,1,msr0		; msr0.ovf is set
	test_spr_bits	1,0,1,msr0		; msr0.aovf is set
	test_spr_bits	0x7000,12,1,msr0	; msr0.mtt is set
	test_accg_immed 	0,accg0
	test_acc_limmed	0xfffe,0x0001,acc0
	test_accg_immed 	0,accg1
	test_acc_immed	0,acc1

	set_fr_iimmed  	0x0000,0xffff,fr8	; saturation
	set_fr_iimmed  	0xffff,0xffff,fr10
	set_fr_iimmed  	0xfffe,0xffff,fr9	; saturation
	set_fr_iimmed  	0xffff,0xffff,fr11
	mqcpxru      	fr8,fr10,acc0
	test_spr_bits	0x3c,2,0xc,msr0		; msr0.sie is set
	test_spr_bits	2,1,1,msr0		; msr0.ovf is set
	test_spr_bits	1,0,1,msr0		; msr0.aovf is set
	test_spr_bits	0x7000,12,1,msr0	; msr0.mtt is set
	test_accg_immed 	0,accg0
	test_acc_immed	0,acc0
	test_accg_immed 	0,accg1
	test_acc_immed	0,acc1

	pass