blob: 4669a83d16620720a65b88937ccccb89773a099c [file] [log] [blame]
/*
* 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