1/*  ALU test program.
2 *  Test instructions
3 *  r7 = +/- (r0,r1);
4 *  r7 = -/+ (r0,r1);
5 *  r7 = -/- (r0,r1);
6 */
7
8# mach: bfin
9
10.include "testutils.inc"
11	start
12
13// test subtraction
14	R0.L = 0x000f;
15	R0.H = 0x0010;
16	R1.L = 0x000f;
17	R1.H = 0x0010;
18	R7 = 0;
19	ASTAT = R7;
20	R7 = R0 +|- R1;
21	DBGA ( R7.L , 0x0000 );
22	DBGA ( R7.H , 0x0020 );
23	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x1 );
24	CC = AN;	R7 = CC; DBGA ( R7.L , 0x0 );
25	CC =  V;	R7 = CC; DBGA ( R7.L , 0x0 );
26	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x1 );
27
28// test overflow negative on subtraction
29	R0.L = 0x8000;
30	R0.H = 0x0010;
31	R1.L = 0x0001;
32	R1.H = 0x0010;
33	R7 = 0;
34	ASTAT = R7;
35	R7 = R0 +|- R1;
36	DBGA ( R7.L , 0x7fff );
37	DBGA ( R7.H , 0x0020 );
38	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x0 );
39	CC = AN;	R7 = CC; DBGA ( R7.L , 0x0 );
40	CC =  V;	R7 = CC; DBGA ( R7.L , 0x1 );
41	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x1 );
42
43// test saturate negative on subtraction +/-
44	R0.L = 0x8000;
45	R0.H = 0x0010;
46	R1.L = 0x0001;
47	R1.H = 0x0010;
48	R7 = 0;
49	ASTAT = R7;
50	R7 = R0 +|- R1 (S);
51	DBGA ( R7.L , 0x8000 );
52	DBGA ( R7.H , 0x0020 );
53	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x0 );
54	CC = AN;	R7 = CC; DBGA ( R7.L , 0x1 );
55	CC =  V;	R7 = CC; DBGA ( R7.L , 0x1 );
56	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x1 );
57
58// test saturate negative on subtraction -/+
59	R0.L = 0x8000;
60	R0.H = 0x8000;
61	R1.L = 0x0001;
62	R1.H = 0x0001;
63	R7 = 0;
64	ASTAT = R7;
65	R7 = R0 -|+ R1 (S);
66	DBGA ( R7.L , 0x8001 );
67	DBGA ( R7.H , 0x8000 );
68	CC = AZ;	R5 = CC; DBGA ( R5.L , 0x0 );
69	CC = AN;	R5 = CC; DBGA ( R5.L , 0x1 );
70	CC =  V;	R5 = CC; DBGA ( R5.L , 0x1 );
71	CC = AC0;	R5 = CC; DBGA ( R5.L , 0x0 );
72
73// test saturate negative on subtraction -/-
74	R0.L = 0x8000;
75	R0.H = 0x8000;
76	R1.L = 0x0001;
77	R1.H = 0x0001;
78	R7 = 0;
79	ASTAT = R7;
80	R7 = R0 -|- R1 (S);
81	DBGA ( R7.L , 0x8000 );
82	DBGA ( R7.H , 0x8000 );
83	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x0 );
84	CC = AN;	R7 = CC; DBGA ( R7.L , 0x1 );
85	CC =  V;	R7 = CC; DBGA ( R7.L , 0x1 );
86	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x1 );
87
88// test saturate positive on subtraction -/+
89	R0.L = 0x7fff;
90	R0.H = 0x7fff;
91	R1.L = 0xffff;
92	R1.H = 0xffff;
93	R7 = 0;
94	ASTAT = R7;
95	R7 = R0 -|+ R1 (S);
96	DBGA ( R7.L , 0x7ffe );
97	DBGA ( R7.H , 0x7fff );
98	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x0 );
99	CC = AN;	R7 = CC; DBGA ( R7.L , 0x0 );
100	CC =  V;	R7 = CC; DBGA ( R7.L , 0x1 );
101	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x1 );
102
103	pass
104