1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
// Test r4 = VMAX/VMAX (r5,r1) A0>>2;
# mach: bfin
.include "testutils.inc"
start
// Both max values are in high half, hence both bits
// into A0 are 1
A0 = 0;
R1.L = 0x2; // max in r1 is 3
R1.H = 0x3;
R0.L = 0x6; // max in r0 is 7
R0.H = 0x7;
R6 = VIT_MAX( R1 , R0 ) (ASR);
DBGA ( R6.L , 0x0007 );
DBGA ( R6.H , 0x0003 );
R7 = A0.w;
DBGA ( R7.L , 0x0000 );
DBGA ( R7.H , 0xc000 );
R7.L = A0.x;
DBGA ( R7.L , 0x0000 );
// max value in r1 is in low, so second bit into A0 is zero
A0 = 0;
R1.L = 0x3; // max in r1 is 3
R1.H = 0x2;
R0.L = 0x6; // max in r0 is 7
R0.H = 0x7;
R6 = VIT_MAX( R1 , R0 ) (ASR);
DBGA ( R6.L , 0x0007 );
DBGA ( R6.H , 0x0003 );
R7 = A0.w;
DBGA ( R7.L , 0x0000 );
DBGA ( R7.H , 0x4000 );
R7.L = A0.x;
DBGA ( R7.L , 0x0000 );
// both max values in low, so both bits into A0 are zero
R0.L = 0x8000;
R0.H = 0x0;
A0.w = R0;
R1.L = 0x3; // max in r1 is 3
R1.H = 0x2;
R0.L = 0x7; // max in r0 is 7
R0.H = 0x6;
R6 = VIT_MAX( R1 , R0 ) (ASR);
DBGA ( R6.L , 0x0007 );
DBGA ( R6.H , 0x0003 );
R7 = A0.w;
DBGA ( R7.L , 0x2000 );
DBGA ( R7.H , 0x0000 );
R7.L = A0.x;
DBGA ( R7.L , 0x0000 );
// Test for correct max when one value overflows
A0 = 0;
R1.L = 0x7fff; // max in r1 is 0x8001 (overflowed)
R1.H = 0x8001;
R0.L = 0x6; // max in r0 is 7
R0.H = 0x7;
R6 = VIT_MAX( R1 , R0 ) (ASR);
DBGA ( R6.L , 0x0007 );
DBGA ( R6.H , 0x8001 );
R7 = A0.w;
DBGA ( R7.L , 0x0000 );
DBGA ( R7.H , 0xc000 );
R7.L = A0.x;
DBGA ( R7.L , 0x0000 );
pass
|
