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
|
// Test rl4 = VMAX r5 A0<<1;
// Test rl4 = VMAX r5 A0>>1;
# mach: bfin
.include "testutils.inc"
start
// max value in high half, hence bit into A0 is one
A0 = 0;
R1.L = 0x2; // max in r1 is 3
R1.H = 0x3;
R6.L = VIT_MAX( R1 ) (ASL);
DBGA ( R6.L , 0x0003 );
R7 = A0.w;
DBGA ( R7.L , 0x0001 );
DBGA ( R7.H , 0x0000 );
R7.L = A0.x;
DBGA ( R7.L , 0x0000 );
// max value in low half, hence bit into A0 is zero
R0.L = 0x8000;
R0.H = 0x8000;
A0.w = R0;
R1.L = 0x8001; // max in r1 is 8001
R1.H = 0x7f00;
R6.L = VIT_MAX( R1 ) (ASL);
DBGA ( R6.L , 0x8001 );
R7 = A0.w;
DBGA ( R7.L , 0x0000 );
DBGA ( R7.H , 0x0001 );
R7.L = A0.x;
DBGA ( R7.L , 0x0001 );
// max value in high half, hence bit into A0 is one
R0.L = 0x8000;
R0.H = 0x0000;
A0.w = R0;
R1.L = 0x7fff; // max in r1 is 8001
R1.H = 0x8001;
R6.L = VIT_MAX( R1 ) (ASR);
DBGA ( R6.L , 0x8001 );
R7 = A0.w;
DBGA ( R7.L , 0x4000 );
DBGA ( R7.H , 0x8000 );
R7.L = A0.x;
DBGA ( R7.L , 0x0000 );
pass
|
