| // Copyright 2025 Google LLC |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include <riscv_vector.h> |
| #include <stdint.h> |
| |
| typedef uint8_t uint8x16_t __attribute__((vector_size(16))); |
| |
| uint8_t in_buf[32] __attribute__((section(".data"))); // 31 in use. |
| uint8_t out_buf[16] __attribute__((section(".data"))); // 16 in use. |
| |
| __attribute__((used, retain)) void test_intrinsic(const uint8_t *x, |
| uint8_t *y) { |
| vuint8m1_t v = __riscv_vlse8_v_u8m1(x, /*stride=*/2, /*vl=*/16); |
| __riscv_vse8_v_u8m1(y, v, 16); |
| } |
| |
| __attribute__((used, retain)) void test_vector(const uint8_t *x, uint8_t *y) { |
| uint8x16_t v = { |
| x[0], x[2], x[4], x[6], x[8], x[10], x[12], x[14], |
| x[16], x[18], x[20], x[22], x[24], x[26], x[28], x[30], |
| }; |
| *reinterpret_cast<uint8x16_t *>(y) = v; |
| } |
| |
| int main(int argc, char **argv) { |
| test_intrinsic(in_buf, out_buf); |
| return 0; |
| } |
