@samitouri / QOSamiQemu
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1 #include "macros.inc"
2
3 test_suite loop
4
5 #if XCHAL_HAVE_LOOPS
6
7 test loop
8 movi a2, 0
9 movi a3, 5
10 loop a3, 1f
11 addi a2, a2, 1
12 1:
13 assert eqi, a2, 5
14 test_end
15
16 test loop0
17 movi a2, 0
18 loop a2, 1f
19 rsr a2, lcount
20 assert eqi, a2, -1
21 j 1f
22 1:
23 test_end
24
25 test loop_jump
26 movi a2, 0
27 movi a3, 5
28 loop a3, 1f
29 addi a2, a2, 1
30 j 1f
31 1:
32 assert eqi, a2, 1
33 test_end
34
35 test loop_branch
36 movi a2, 0
37 movi a3, 5
38 loop a3, 1f
39 addi a2, a2, 1
40 beqi a2, 3, 1f
41 1:
42 assert eqi, a2, 3
43 test_end
44
45 test loop_manual
46 movi a2, 0
47 movi a3, 5
48 movi a4, 1f
49 movi a5, 2f
50 wsr a3, lcount
51 wsr a4, lbeg
52 wsr a5, lend
53 isync
54 j 1f
55 .align 4
56 1:
57 addi a2, a2, 1
58 2:
59 assert eqi, a2, 6
60 test_end
61
62 test loop_excm
63 movi a2, 0
64 movi a3, 5
65 rsr a4, ps
66 movi a5, 0x10
67 or a4, a4, a5
68 wsr a4, ps
69 isync
70 loop a3, 1f
71 addi a2, a2, 1
72 1:
73 xor a4, a4, a5
74 isync
75 wsr a4, ps
76 assert eqi, a2, 1
77 test_end
78
79 test lbeg_invalidation
80 movi a2, 0
81 movi a3, 1
82 movi a4, 1f
83 movi a5, 3f
84 wsr a3, lcount
85 wsr a4, lbeg
86 wsr a5, lend
87 isync
88 j 1f
89 .align 4
90 1:
91 addi a2, a2, 1
92 j 2f
93 .align 4
94 2:
95 addi a2, a2, 2
96 movi a3, 2b
97 wsr a3, lbeg
98 isync
99 nop
100 3:
101 assert eqi, a2, 5
102 test_end
103
104 test lend_invalidation
105 movi a2, 0
106 movi a3, 5
107 movi a4, 1f
108 movi a5, 2f
109 wsr a3, lcount
110 wsr a4, lbeg
111 wsr a5, lend
112 isync
113 j 1f
114 .align 4
115 1:
116 addi a2, a2, 1
117 2:
118 beqi a3, 3, 1f
119 assert eqi, a2, 6
120 movi a3, 3
121 wsr a3, lcount
122 wsr a4, lend
123 isync
124 j 1b
125 1:
126 assert eqi, a2, 7
127 test_end
128
129 test loopnez
130 movi a2, 0
131 movi a3, 5
132 loopnez a3, 1f
133 addi a2, a2, 1
134 1:
135 assert eqi, a2, 5
136
137 movi a2, 0
138 movi a3, 0
139 loopnez a3, 1f
140 test_fail
141 1:
142 test_end
143
144 test loopgtz
145 movi a2, 0
146 movi a3, 5
147 loopgtz a3, 1f
148 addi a2, a2, 1
149 1:
150 assert eqi, a2, 5
151
152 movi a2, 0
153 movi a3, 0
154 loopgtz a3, 1f
155 test_fail
156 1:
157
158 movi a2, 0
159 movi a3, 0x80000000
160 loopgtz a3, 1f
161 test_fail
162 1:
163 test_end
164
165 #endif
166
167 test_suite_end