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# a0 * 0 + a1 15b1994897Sopenharmony_ci.function i64 mza(i64 a0, i64 a1) <static> { 16b1994897Sopenharmony_ci movi.64 v0, 0 17b1994897Sopenharmony_ci lda.64 a0 18b1994897Sopenharmony_ci mul2.64 v0 19b1994897Sopenharmony_ci add2.64 a1 20b1994897Sopenharmony_ci return.64 21b1994897Sopenharmony_ci} 22b1994897Sopenharmony_ci 23b1994897Sopenharmony_ci# a0 * a1 + 0 24b1994897Sopenharmony_ci.function i64 maz(i64 a0, i64 a1) <static> { 25b1994897Sopenharmony_ci movi.64 v0, 0 26b1994897Sopenharmony_ci lda.64 a0 27b1994897Sopenharmony_ci mul2.64 a1 28b1994897Sopenharmony_ci add2.64 v0 29b1994897Sopenharmony_ci return.64 30b1994897Sopenharmony_ci} 31b1994897Sopenharmony_ci 32b1994897Sopenharmony_ci# a0 - a1 * 0 33b1994897Sopenharmony_ci.function i64 mzs(i64 a0, i64 a1) <static> { 34b1994897Sopenharmony_ci movi.64 v0, 0 35b1994897Sopenharmony_ci lda.64 a1 36b1994897Sopenharmony_ci mul2.64 v0 37b1994897Sopenharmony_ci sta.64 v0 38b1994897Sopenharmony_ci lda.64 a0 39b1994897Sopenharmony_ci sub2.64 v0 40b1994897Sopenharmony_ci return.64 41b1994897Sopenharmony_ci} 42b1994897Sopenharmony_ci 43b1994897Sopenharmony_ci# 0 - a0 * a1 44b1994897Sopenharmony_ci.function i64 msz(i64 a0, i64 a1) <static> { 45b1994897Sopenharmony_ci movi.64 v0, 0 46b1994897Sopenharmony_ci lda.64 a0 47b1994897Sopenharmony_ci mul2.64 a1 48b1994897Sopenharmony_ci sta.64 v1 49b1994897Sopenharmony_ci lda.64 v0 50b1994897Sopenharmony_ci sub2.64 v1 51b1994897Sopenharmony_ci return.64 52b1994897Sopenharmony_ci} 53b1994897Sopenharmony_ci 54b1994897Sopenharmony_ci.function i32 main() <static> { 55b1994897Sopenharmony_ci movi.64 v0, 21 56b1994897Sopenharmony_ci movi.64 v1, 17 57b1994897Sopenharmony_ci call.short mza, v0, v1 58b1994897Sopenharmony_ci sta.64 v2 59b1994897Sopenharmony_ci call.short maz, v0, v1 60b1994897Sopenharmony_ci sta.64 v3 61b1994897Sopenharmony_ci call.short mzs, v0, v1 62b1994897Sopenharmony_ci sta.64 v4 63b1994897Sopenharmony_ci call.short msz, v0, v1 64b1994897Sopenharmony_ci add2.64 v2 65b1994897Sopenharmony_ci add2.64 v3 66b1994897Sopenharmony_ci add2.64 v4 67b1994897Sopenharmony_ci # (a * 0 + b) + (a * b + 0) + (a - b * 0) + (0 - a * b) => a + b 68b1994897Sopenharmony_ci movi.64 v0, 38 69b1994897Sopenharmony_ci cmp.64 v0 70b1994897Sopenharmony_ci jnez error 71b1994897Sopenharmony_ci ldai 0 72b1994897Sopenharmony_ci return 73b1994897Sopenharmony_cierror: 74b1994897Sopenharmony_ci ldai 1 75b1994897Sopenharmony_ci return 76b1994897Sopenharmony_ci}