1b1994897Sopenharmony_ci# Copyright (c) 2021-2022 Huawei Device Co., Ltd.
2b1994897Sopenharmony_ci# Licensed under the Apache License, Version 2.0 (the "License");
3b1994897Sopenharmony_ci# you may not use this file except in compliance with the License.
4b1994897Sopenharmony_ci# You may obtain a copy of the License at
5b1994897Sopenharmony_ci#
6b1994897Sopenharmony_ci# http://www.apache.org/licenses/LICENSE-2.0
7b1994897Sopenharmony_ci#
8b1994897Sopenharmony_ci# Unless required by applicable law or agreed to in writing, software
9b1994897Sopenharmony_ci# distributed under the License is distributed on an "AS IS" BASIS,
10b1994897Sopenharmony_ci# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11b1994897Sopenharmony_ci# See the License for the specific language governing permissions and
12b1994897Sopenharmony_ci# limitations under the License.
13b1994897Sopenharmony_ci
14b1994897Sopenharmony_ci# a2 - a0 * a1
15b1994897Sopenharmony_ci.function i32 msub_i32(i32 a0, i32 a1, i32 a2) {
16b1994897Sopenharmony_ci    mul a0, a1
17b1994897Sopenharmony_ci    sta v1
18b1994897Sopenharmony_ci    sub a2, v1
19b1994897Sopenharmony_ci    return
20b1994897Sopenharmony_ci}
21b1994897Sopenharmony_ci
22b1994897Sopenharmony_ci# - (a0 * a1) + a2
23b1994897Sopenharmony_ci.function i32 msub_i32_var0(i32 a0, i32 a1, i32 a2) {
24b1994897Sopenharmony_ci    mul a0, a1
25b1994897Sopenharmony_ci    neg
26b1994897Sopenharmony_ci    add2 a2
27b1994897Sopenharmony_ci    return
28b1994897Sopenharmony_ci}
29b1994897Sopenharmony_ci
30b1994897Sopenharmony_ci# (-a0) * a1 + a2
31b1994897Sopenharmony_ci.function i32 msub_i32_var1(i32 a0, i32 a1, i32 a2) {
32b1994897Sopenharmony_ci    lda a0
33b1994897Sopenharmony_ci    neg
34b1994897Sopenharmony_ci    mul2 a1
35b1994897Sopenharmony_ci    add2 a2
36b1994897Sopenharmony_ci    return
37b1994897Sopenharmony_ci}
38b1994897Sopenharmony_ci
39b1994897Sopenharmony_ci# a2 - a0 * a1
40b1994897Sopenharmony_ci.function i64 msub_i64(i64 a0, i64 a1, i64 a2) {
41b1994897Sopenharmony_ci    lda.64 a1
42b1994897Sopenharmony_ci    mul2.64 a0
43b1994897Sopenharmony_ci    sta.64 v0
44b1994897Sopenharmony_ci    lda.64 a2
45b1994897Sopenharmony_ci    sub2.64 v0
46b1994897Sopenharmony_ci    return.64
47b1994897Sopenharmony_ci}
48b1994897Sopenharmony_ci
49b1994897Sopenharmony_ci# - (a0 * a1) + a2
50b1994897Sopenharmony_ci.function i64 msub_i64_var0(i64 a0, i64 a1, i64 a2) {
51b1994897Sopenharmony_ci    lda.64 a1
52b1994897Sopenharmony_ci    mul2.64 a0
53b1994897Sopenharmony_ci    neg.64
54b1994897Sopenharmony_ci    sta.64 v0
55b1994897Sopenharmony_ci    lda.64 a2
56b1994897Sopenharmony_ci    add2.64 v0
57b1994897Sopenharmony_ci    return.64
58b1994897Sopenharmony_ci}
59b1994897Sopenharmony_ci
60b1994897Sopenharmony_ci# (-a0) * a1 + a2
61b1994897Sopenharmony_ci.function i64 msub_i64_var1(i64 a0, i64 a1, i64 a2) {
62b1994897Sopenharmony_ci    lda.64 a0
63b1994897Sopenharmony_ci    neg.64
64b1994897Sopenharmony_ci    mul2.64 a1
65b1994897Sopenharmony_ci    add2.64 a2
66b1994897Sopenharmony_ci    return.64
67b1994897Sopenharmony_ci}
68b1994897Sopenharmony_ci
69b1994897Sopenharmony_ci.function i32 main() {
70b1994897Sopenharmony_ci    movi v0, 10
71b1994897Sopenharmony_ci    movi v1, 1000
72b1994897Sopenharmony_ci    movi v2, -56
73b1994897Sopenharmony_ci    call msub_i32, v0, v1, v2
74b1994897Sopenharmony_ci    sta v0
75b1994897Sopenharmony_ci    ldai -10056
76b1994897Sopenharmony_ci    jne v0, exit_error_0
77b1994897Sopenharmony_ci    movi v0, 10
78b1994897Sopenharmony_ci    movi v1, 1000
79b1994897Sopenharmony_ci    movi v2, -56
80b1994897Sopenharmony_ci    call msub_i32_var0, v0, v1, v2
81b1994897Sopenharmony_ci    sta v0
82b1994897Sopenharmony_ci    ldai -10056
83b1994897Sopenharmony_ci    jne v0, exit_error_1
84b1994897Sopenharmony_ci    movi v0, 10
85b1994897Sopenharmony_ci    movi v1, 1000
86b1994897Sopenharmony_ci    movi v2, -56
87b1994897Sopenharmony_ci    call msub_i32_var1, v0, v1, v2
88b1994897Sopenharmony_ci    sta v0
89b1994897Sopenharmony_ci    ldai -10056
90b1994897Sopenharmony_ci    jne v0, exit_error_2
91b1994897Sopenharmony_ci    movi.64 v0, -1
92b1994897Sopenharmony_ci    movi.64 v1, 123
93b1994897Sopenharmony_ci    movi.64 v2, 19
94b1994897Sopenharmony_ci    call msub_i64, v0, v1, v2
95b1994897Sopenharmony_ci    sta.64 v0
96b1994897Sopenharmony_ci    ldai.64 142
97b1994897Sopenharmony_ci    cmp.64 v0
98b1994897Sopenharmony_ci    jnez exit_error_3
99b1994897Sopenharmony_ci    movi.64 v0, -1
100b1994897Sopenharmony_ci    movi.64 v1, 123
101b1994897Sopenharmony_ci    movi.64 v2, 19
102b1994897Sopenharmony_ci    call msub_i64_var0, v0, v1, v2
103b1994897Sopenharmony_ci    sta.64 v0
104b1994897Sopenharmony_ci    ldai.64 142
105b1994897Sopenharmony_ci    cmp.64 v0
106b1994897Sopenharmony_ci    jnez exit_error_4
107b1994897Sopenharmony_ci    movi.64 v0, -1
108b1994897Sopenharmony_ci    movi.64 v1, 123
109b1994897Sopenharmony_ci    movi.64 v2, 19
110b1994897Sopenharmony_ci    call msub_i64_var1, v0, v1, v2
111b1994897Sopenharmony_ci    sta.64 v0
112b1994897Sopenharmony_ci    ldai.64 142
113b1994897Sopenharmony_ci    cmp.64 v0
114b1994897Sopenharmony_ci    jnez exit_error_5
115b1994897Sopenharmony_ci    ldai 0
116b1994897Sopenharmony_ci    return
117b1994897Sopenharmony_ciexit_error_0:
118b1994897Sopenharmony_ci    ldai 1
119b1994897Sopenharmony_ci    return
120b1994897Sopenharmony_ciexit_error_1:
121b1994897Sopenharmony_ci    ldai 2
122b1994897Sopenharmony_ci    return
123b1994897Sopenharmony_ciexit_error_2:
124b1994897Sopenharmony_ci    ldai 3
125b1994897Sopenharmony_ci    return
126b1994897Sopenharmony_ciexit_error_3:
127b1994897Sopenharmony_ci    ldai 4
128b1994897Sopenharmony_ciexit_error_4:
129b1994897Sopenharmony_ci    ldai 5
130b1994897Sopenharmony_ciexit_error_5:
131b1994897Sopenharmony_ci    ldai 6
132b1994897Sopenharmony_ci    return
133b1994897Sopenharmony_ci}
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