xref: /openbmc/qemu/tests/tcg/xtensa/test_loop.S (revision dc5bd18f)
1#include "macros.inc"
2
3test_suite loop
4
5test loop
6    movi    a2, 0
7    movi    a3, 5
8    loop    a3, 1f
9    addi    a2, a2, 1
101:
11    assert  eqi, a2, 5
12test_end
13
14test loop0
15    movi    a2, 0
16    loop    a2, 1f
17    rsr     a2, lcount
18    assert  eqi, a2, -1
19    j       1f
201:
21test_end
22
23test loop_jump
24    movi    a2, 0
25    movi    a3, 5
26    loop    a3, 1f
27    addi    a2, a2, 1
28    j       1f
291:
30    assert  eqi, a2, 1
31test_end
32
33test loop_branch
34    movi    a2, 0
35    movi    a3, 5
36    loop    a3, 1f
37    addi    a2, a2, 1
38    beqi    a2, 3, 1f
391:
40    assert  eqi, a2, 3
41test_end
42
43test loop_manual
44    movi    a2, 0
45    movi    a3, 5
46    movi    a4, 1f
47    movi    a5, 2f
48    wsr     a3, lcount
49    wsr     a4, lbeg
50    wsr     a5, lend
51    isync
52    j       1f
53.align 4
541:
55    addi    a2, a2, 1
562:
57    assert  eqi, a2, 6
58test_end
59
60test loop_excm
61    movi    a2, 0
62    movi    a3, 5
63    rsr     a4, ps
64    movi    a5, 0x10
65    or      a4, a4, a5
66    wsr     a4, ps
67    isync
68    loop    a3, 1f
69    addi    a2, a2, 1
701:
71    xor     a4, a4, a5
72    isync
73    wsr     a4, ps
74    assert  eqi, a2, 1
75test_end
76
77test lbeg_invalidation
78    movi    a2, 0
79    movi    a3, 1
80    movi    a4, 1f
81    movi    a5, 3f
82    wsr     a3, lcount
83    wsr     a4, lbeg
84    wsr     a5, lend
85    isync
86    j       1f
87.align 4
881:
89    addi    a2, a2, 1
90    j       2f
91.align 4
922:
93    addi    a2, a2, 2
94    movi    a3, 2b
95    wsr     a3, lbeg
96    isync
97    nop
983:
99    assert  eqi, a2, 5
100test_end
101
102test lend_invalidation
103    movi    a2, 0
104    movi    a3, 5
105    movi    a4, 1f
106    movi    a5, 2f
107    wsr     a3, lcount
108    wsr     a4, lbeg
109    wsr     a5, lend
110    isync
111    j       1f
112.align 4
1131:
114    addi    a2, a2, 1
1152:
116    beqi    a3, 3, 1f
117    assert  eqi, a2, 6
118    movi    a3, 3
119    wsr     a3, lcount
120    wsr     a4, lend
121    isync
122    j       1b
1231:
124    assert  eqi, a2, 7
125test_end
126
127test loopnez
128    movi    a2, 0
129    movi    a3, 5
130    loopnez a3, 1f
131    addi    a2, a2, 1
1321:
133    assert  eqi, a2, 5
134
135    movi    a2, 0
136    movi    a3, 0
137    loopnez a3, 1f
138    test_fail
1391:
140test_end
141
142test loopgtz
143    movi    a2, 0
144    movi    a3, 5
145    loopgtz a3, 1f
146    addi    a2, a2, 1
1471:
148    assert  eqi, a2, 5
149
150    movi    a2, 0
151    movi    a3, 0
152    loopgtz a3, 1f
153    test_fail
1541:
155
156    movi    a2, 0
157    movi    a3, 0x80000000
158    loopgtz a3, 1f
159    test_fail
1601:
161test_end
162
163test_suite_end
164