Alex Van Damme | d555403 | 2023-08-01 15:39:38 -0700 | [diff] [blame] | 1 | // Copyright 2023 Google LLC |
| 2 | // Licensed under the Apache License, Version 2.0, see LICENSE for details. |
| 3 | // SPDX-License-Identifier: Apache-2.0 |
| 4 | |
| 5 | #include "crt/kelvin.h" |
| 6 | |
| 7 | namespace kelvin::opt { |
| 8 | |
| 9 | void *memcpy(void *dst, const void *src, size_t n) { |
| 10 | const uint8_t *s = reinterpret_cast<const uint8_t *>(src); |
| 11 | uint8_t *d = reinterpret_cast<uint8_t *>(dst); |
| 12 | int vl; |
| 13 | while (true) { |
| 14 | if (n <= 0) break; |
| 15 | getvl_b_x_m(vl, n); |
| 16 | n -= vl; |
| 17 | vld_b_lp_xx_m(v0, s, vl); |
| 18 | vst_b_lp_xx_m(v0, d, vl); |
| 19 | |
| 20 | if (n <= 0) break; |
| 21 | getvl_b_x_m(vl, n); |
| 22 | n -= vl; |
| 23 | vld_b_lp_xx_m(v4, s, vl); |
| 24 | vst_b_lp_xx_m(v4, d, vl); |
| 25 | } |
| 26 | return dst; |
| 27 | } |
| 28 | |
| 29 | } // namespace kelvin::opt |