summaryrefslogtreecommitdiff
path: root/tests/tcg/xtensa/test_mac16.S
blob: 512025d842913027a9f914390408ae7d17c3dc6b (plain)
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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
#include "macros.inc"

test_suite mac16

#define ext16(v) (((v) & 0xffff) | (((v) & 0x8000) * 0x1ffffffe))
#define mul16(a, b) ((ext16(a) * ext16(b)))

.macro assert_acc_value v
    rsr     a4, ACCLO
    movi    a5, (\v) & 0xffffffff
    assert  eq, a4, a5
    rsr     a4, ACCHI
    movi    a5, (\v) >> 32
    sext    a5, a5, 7
    assert  eq, a4, a5
.endm

.macro init_reg sr, reg, val
    .if (\sr)
    movi    a4, \val
    wsr     a4, \reg
    .else
    movi    \reg, \val
    .endif
.endm

.macro test_mulxx mulop, comb, s, t, a, b
    init_reg \comb & 2, \s, \a
    init_reg \comb & 1, \t, \b

    \mulop\().ll \s, \t
    assert_acc_value mul16(\a, \b)

    \mulop\().lh \s, \t
    assert_acc_value mul16(\a, (\b >> 16))

    \mulop\().hl \s, \t
    assert_acc_value mul16((\a >> 16), \b)

    \mulop\().hh \s, \t
    assert_acc_value mul16((\a >> 16), (\b >> 16))
.endm

test mul_aa
    test_mulxx mul.aa, 0, a2, a3, 0xf7315a5a, 0xa5a5137f
test_end

test mul_ad
    test_mulxx mul.ad, 1, a2, m2, 0xf7315a5a, 0xa5a5137f
test_end

test mul_da
    test_mulxx mul.da, 2, m1, a3, 0xf7315a5a, 0xa5a5137f
test_end

test mul_dd
    test_mulxx mul.dd, 3, m0, m3, 0xf7315a5a, 0xa5a5137f
test_end


.macro init_acc iv
    movi    a4, (\iv) & 0xffffffff
    wsr     a4, ACCLO
    movi    a4, (\iv) >> 32
    wsr     a4, ACCHI
.endm

.macro test_mulxxx mulop, comb, s, t, a, b, iv, op
    init_reg \comb & 2, \s, \a
    init_reg \comb & 1, \t, \b

    init_acc \iv
    \mulop\().ll \s, \t
    assert_acc_value (\iv \op mul16(\a, \b))

    init_acc \iv
    \mulop\().lh \s, \t
    assert_acc_value (\iv \op mul16(\a, (\b >> 16)))

    init_acc \iv
    \mulop\().hl \s, \t
    assert_acc_value (\iv \op mul16((\a >> 16), \b))

    init_acc \iv
    \mulop\().hh \s, \t
    assert_acc_value (\iv \op mul16((\a >> 16), (\b >> 16)))
.endm


test mula_aa
    test_mulxxx mula.aa, 0, a2, a3, 0xf7315a5a, 0xa5a5137f, 0xfff73155aa, +
test_end

test mula_ad
    test_mulxxx mula.ad, 1, a2, m2, 0xf7315a5a, 0xa5a5137f, 0xfff73155aa, +
test_end

test mula_da
    test_mulxxx mula.da, 2, m1, a3, 0xf7315a5a, 0xa5a5137f, 0x0ff73155aa, +
test_end

test mula_dd
    test_mulxxx mula.dd, 3, m0, m3, 0xf7315a5a, 0xa5a5137f, 0x0ff73155aa, +
test_end


test muls_aa
    test_mulxxx muls.aa, 0, a2, a3, 0xf7315a5a, 0xa5a5137f, 0x0ff73155aa, -
test_end

test muls_ad
    test_mulxxx muls.ad, 1, a2, m2, 0xf7315a5a, 0xa5a5137f, 0x0ff73155aa, -
test_end

test muls_da
    test_mulxxx muls.da, 2, m1, a3, 0xf7315a5a, 0xa5a5137f, 0xfff73155aa, -
test_end

test muls_dd
    test_mulxxx muls.dd, 3, m0, m3, 0xf7315a5a, 0xa5a5137f, 0xfff73155aa, -
test_end

test ldinc
    movi    a2, 1f - 4
    ldinc   m0, a2
    movi    a3, 1f
    assert  eq, a2, a3
    rsr     a3, m0
    movi    a4, 0x55aa137f
    assert  eq, a3, a4
    ldinc   m1, a2
    movi    a3, 1f + 4
    assert  eq, a2, a3
    rsr     a3, m1
    movi    a4, 0x12345678
    assert  eq, a3, a4

.data
1:  .word 0x55aa137f, 0x12345678, 0x137fa5a5
.text
test_end

test lddec
    movi    a2, 1f
    lddec   m2, a2
    movi    a3, 1f - 4
    assert  eq, a2, a3
    rsr     a3, m2
    movi    a4, 0x12345678
    assert  eq, a3, a4
    lddec   m3, a2
    movi    a3, 1f - 8
    assert  eq, a2, a3
    rsr     a3, m3
    movi    a4, 0x55aa137f
    assert  eq, a3, a4
.data
    .word 0x55aa137f, 0x12345678
1:
.text
test_end


.macro test_mulxxx_ld mulop, ldop, comb, w, x, s, t, a, b, iv, op
    init_reg \comb & 2, \s, \a
    init_reg \comb & 1, \t, \b

    init_acc \iv
    \mulop\().ll.\ldop \w, \x, \s, \t
    assert_acc_value (\iv \op mul16(\a, \b))

    init_acc \iv
    \mulop\().lh.\ldop \w, \x, \s, \t
    assert_acc_value (\iv \op mul16(\a, (\b >> 16)))

    init_acc \iv
    \mulop\().hl.\ldop \w, \x, \s, \t
    assert_acc_value (\iv \op mul16((\a >> 16), \b))

    init_acc \iv
    \mulop\().hh.\ldop \w, \x, \s, \t
    assert_acc_value (\iv \op mul16((\a >> 16), (\b >> 16)))
.endm

test mula_da_ldinc
    movi    a2, 1f - 4
    test_mulxxx_ld mula.da, ldinc, 2, m1, a2, m1, a3, \
        0xf7315a5a, 0xa5a5137f, 0x0ff73155aa, +
    movi    a3, 1f + 12
    assert  eq, a2, a3
    rsr     a2, m1
    movi    a3, 0x12345678
    assert  eq, a2, a3
.data
1:  .word 0xf7315a5a, 0xf7315a5a, 0xf7315a5a, 0x12345678
.text
test_end

test mula_dd_ldinc
    movi    a2, 1f - 4
    test_mulxxx_ld mula.dd, ldinc, 3, m2, a2, m1, m2, \
        0xf7315a5a, 0xa5a5137f, 0x0ff73155aa, +
    movi    a3, 1f + 12
    assert  eq, a2, a3
    rsr     a2, m2
    movi    a3, 0x12345678
    assert  eq, a2, a3
.data
1:  .word 0xa5a5137f, 0xa5a5137f, 0xa5a5137f, 0x12345678
.text
test_end

test mula_da_lddec
    movi    a2, 1f
    test_mulxxx_ld mula.da, lddec, 2, m1, a2, m1, a3, \
        0xf7315a5a, 0xa5a5137f, 0x0ff73155aa, +
    movi    a3, 1f - 16
    assert  eq, a2, a3
    rsr     a2, m1
    movi    a3, 0x12345678
    assert  eq, a2, a3
.data
    .word 0x12345678, 0xf7315a5a, 0xf7315a5a, 0xf7315a5a
1:
.text
test_end

test mula_dd_lddec
    movi    a2, 1f
    test_mulxxx_ld mula.dd, lddec, 3, m2, a2, m1, m2, \
        0xf7315a5a, 0xa5a5137f, 0x0ff73155aa, +
    movi    a3, 1f - 16
    assert  eq, a2, a3
    rsr     a2, m2
    movi    a3, 0x12345678
    assert  eq, a2, a3
.data
    .word 0x12345678, 0xa5a5137f, 0xa5a5137f, 0xa5a5137f
1:
.text
test_end

test_suite_end