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
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
# sh testcase for ftrc -*- Asm -*-
# mach: all
# as: -isa=shcompact
# ld: -m shelf32
.include "compact/testutils.inc"
start
# ftrc(0.0) = 0.
fldi0 fr0
ftrc fr0, fpul
# check results.
mov #0, r0
sts fpul, r1
cmp/eq r0, r1
bf wrong
# ftrc(1.5) = 1.
fldi1 fr0
fldi1 fr1
fldi1 fr2
# double it.
fadd fr2, fr2
# form the fraction.
fdiv fr2, fr1
fadd fr1, fr0
# now we've got 1.5 in fr0.
ftrc fr0, fpul
# check results.
mov #1, r0
sts fpul, r1
cmp/eq r0, r1
bf wrong
# ftrc(-1.5) = -1.
fldi1 fr0
fneg fr0
fldi1 fr1
fldi1 fr2
# double it.
fadd fr2, fr2
# form the fraction.
fdiv fr2, fr1
fneg fr1
# -1 + -0.5 = -1.5.
fadd fr1, fr0
# now we've got 1.5 in fr0.
ftrc fr0, fpul
# check results.
mov #1, r0
neg r0, r0
sts fpul, r1
cmp/eq r0, r1
bf wrong
bra double
nop
wrong:
fail
double:
# ftrc(0.0) = 0.
fldi0 fr0
_s2d fr0, dr0
_setpr
ftrc dr0, fpul
_clrpr
# check results.
mov #0, r0
sts fpul, r1
cmp/eq r0, r1
foo:
bf wrong2
# ftrc(1.5) = 1.
fldi1 fr0
fldi1 fr2
fldi1 fr4
# double it.
fadd fr4, fr4
# form 0.5.
fdiv fr4, fr2
fadd fr2, fr0
# now we've got 1.5 in fr0, so do some single->double
# conversions and perform the ftrc.
_s2d fr0, dr0
_s2d fr2, dr2
_s2d fr4, dr4
_setpr
ftrc dr0, fpul
_clrpr
# check results.
mov #1, r0
sts fpul, r1
cmp/eq r0, r1
bf wrong2
# ftrc(-1.5) = -1.
fldi1 fr0
fneg fr0
fldi1 fr2
fldi1 fr4
# double it.
fadd fr4, fr4
# form the fraction.
fdiv fr4, fr2
fneg fr2
# -1 + -0.5 = -1.5.
fadd fr2, fr0
# now we've got 1.5 in fr0, so do some single->double
# conversions and perform the ftrc.
_s2d fr0, dr0
_s2d fr2, dr2
_s2d fr4, dr4
_setpr
ftrc dr0, fpul
_clrpr
# check results.
mov #1, r0
neg r0, r0
sts fpul, r1
cmp/eq r0, r1
bf wrong2
okay:
pass
wrong2:
fail
|
