xref: /openbmc/qemu/tests/tcg/xtensa/test_shift.S (revision 1fd6bb44)
1.include "macros.inc"
2
3test_suite shift
4
5.macro test_shift prefix, dst, src, v, imm
6    \prefix\()_set \dst, \src, \v, \imm
7    \prefix\()_ver \dst, \v, \imm
8.endm
9
10.macro test_shift_sd prefix, v, imm
11    test_shift \prefix, a3, a2, \v, \imm
12    test_shift \prefix, a2, a2, \v, \imm
13.endm
14
15.macro tests_imm_shift prefix, v
16    test_shift_sd \prefix, \v, 1
17    test_shift_sd \prefix, \v, 2
18    test_shift_sd \prefix, \v, 7
19    test_shift_sd \prefix, \v, 8
20    test_shift_sd \prefix, \v, 15
21    test_shift_sd \prefix, \v, 16
22    test_shift_sd \prefix, \v, 31
23.endm
24
25.macro tests_shift prefix, v
26    test_shift_sd \prefix, \v, 0
27    tests_imm_shift \prefix, \v
28    test_shift_sd \prefix, \v, 32
29.endm
30
31
32.macro slli_set dst, src, v, imm
33    movi    \src, \v
34    slli    \dst, \src, \imm
35.endm
36
37.macro slli_ver dst, v, imm
38    mov     a2, \dst
39    movi    a3, ((\v) << (\imm)) & 0xffffffff
40    assert  eq, a2, a3
41.endm
42
43test slli
44    tests_imm_shift slli, 0xa3c51249
45test_end
46
47
48.macro srai_set dst, src, v, imm
49    movi    \src, \v
50    srai    \dst, \src, \imm
51.endm
52
53.macro srai_ver dst, v, imm
54    mov     a2, \dst
55    .if (\imm)
56    movi    a3, (((\v) >> (\imm)) & 0xffffffff) | \
57                ~((((\v) & 0x80000000) >> ((\imm) - 1)) - 1)
58    .else
59    movi    a3, \v
60    .endif
61    assert  eq, a2, a3
62.endm
63
64test srai
65    tests_imm_shift srai, 0x49a3c512
66    tests_imm_shift srai, 0xa3c51249
67test_end
68
69
70.macro srli_set dst, src, v, imm
71    movi    \src, \v
72    srli    \dst, \src, \imm
73.endm
74
75.macro srli_ver dst, v, imm
76    mov     a2, \dst
77    movi    a3, (((\v) >> (\imm)) & 0xffffffff)
78    assert  eq, a2, a3
79.endm
80
81test srli
82    tests_imm_shift srli, 0x49a3c512
83    tests_imm_shift srli, 0xa3c51249
84test_end
85
86
87.macro sll_set dst, src, v, imm
88    movi    a2, \imm
89    ssl     a2
90    movi    \src, \v
91    sll     \dst, \src
92.endm
93
94.macro sll_sar_set dst, src, v, imm
95    movi    a2, 32 - \imm
96    wsr     a2, sar
97    movi    \src, \v
98    sll     \dst, \src
99.endm
100
101.macro sll_ver dst, v, imm
102    slli_ver \dst, \v, (\imm) & 0x1f
103.endm
104
105.macro sll_sar_ver dst, v, imm
106    slli_ver \dst, \v, \imm
107.endm
108
109test sll
110    tests_shift sll, 0xa3c51249
111    tests_shift sll_sar, 0xa3c51249
112test_end
113
114
115.macro srl_set dst, src, v, imm
116    movi    a2, \imm
117    ssr     a2
118    movi    \src, \v
119    srl     \dst, \src
120.endm
121
122.macro srl_sar_set dst, src, v, imm
123    movi    a2, \imm
124    wsr     a2, sar
125    movi    \src, \v
126    srl     \dst, \src
127.endm
128
129.macro srl_ver dst, v, imm
130    srli_ver \dst, \v, (\imm) & 0x1f
131.endm
132
133.macro srl_sar_ver dst, v, imm
134    srli_ver \dst, \v, \imm
135.endm
136
137test srl
138    tests_shift srl, 0xa3c51249
139    tests_shift srl_sar, 0xa3c51249
140    tests_shift srl, 0x49a3c512
141    tests_shift srl_sar, 0x49a3c512
142test_end
143
144
145.macro sra_set dst, src, v, imm
146    movi    a2, \imm
147    ssr     a2
148    movi    \src, \v
149    sra     \dst, \src
150.endm
151
152.macro sra_sar_set dst, src, v, imm
153    movi    a2, \imm
154    wsr     a2, sar
155    movi    \src, \v
156    sra     \dst, \src
157.endm
158
159.macro sra_ver dst, v, imm
160    srai_ver \dst, \v, (\imm) & 0x1f
161.endm
162
163.macro sra_sar_ver dst, v, imm
164    srai_ver \dst, \v, \imm
165.endm
166
167test sra
168    tests_shift sra, 0xa3c51249
169    tests_shift sra_sar, 0xa3c51249
170    tests_shift sra, 0x49a3c512
171    tests_shift sra_sar, 0x49a3c512
172test_end
173
174
175.macro src_set dst, src, v, imm
176    movi    a2, \imm
177    ssr     a2
178    movi    \src, (\v) & 0xffffffff
179    movi    a4, (\v) >> 32
180    src     \dst, a4, \src
181.endm
182
183.macro src_sar_set dst, src, v, imm
184    movi    a2, \imm
185    wsr     a2, sar
186    movi    \src, (\v) & 0xffffffff
187    movi    a4, (\v) >> 32
188    src     \dst, a4, \src
189.endm
190
191.macro src_ver dst, v, imm
192    src_sar_ver \dst, \v, (\imm) & 0x1f
193.endm
194
195.macro src_sar_ver dst, v, imm
196    mov     a2, \dst
197    movi    a3, ((\v) >> (\imm)) & 0xffffffff
198    assert  eq, a2, a3
199.endm
200
201test src
202    tests_shift src, 0xa3c51249215c3a94
203    tests_shift src_sar, 0xa3c51249215c3a94
204test_end
205
206test_suite_end
207