| /* |
| * Copyright 2023 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 "crt/kelvin.h" |
| |
| namespace kelvin::opt { |
| |
| void *memcpy(void *dst, const void *src, size_t n) { |
| const uint8_t *s = reinterpret_cast<const uint8_t *>(src); |
| uint8_t *d = reinterpret_cast<uint8_t *>(dst); |
| int vl; |
| while (true) { |
| if (n <= 0) break; |
| getvl_b_x_m(vl, n); |
| n -= vl; |
| vld_b_lp_xx_m(v0, s, vl); |
| vst_b_lp_xx_m(v0, d, vl); |
| |
| if (n <= 0) break; |
| getvl_b_x_m(vl, n); |
| n -= vl; |
| vld_b_lp_xx_m(v4, s, vl); |
| vst_b_lp_xx_m(v4, d, vl); |
| } |
| return dst; |
| } |
| |
| } // namespace kelvin::opt |