| // Auto-generated file. Do not edit! |
| // Template: src/x8-lut/scalar.c.in |
| // Generator: tools/xngen |
| // |
| // Copyright 2021 Google LLC |
| // |
| // This source code is licensed under the BSD-style license found in the |
| // LICENSE file in the root directory of this source tree. |
| |
| #include <assert.h> |
| |
| #include <xnnpack/lut.h> |
| #include <xnnpack/common.h> |
| |
| |
| void xnn_x8_lut_ukernel__scalar_x4( |
| size_t n, |
| const uint8_t* x, |
| uint8_t* y, |
| const uint8_t t[restrict XNN_MIN_ELEMENTS(256)]) |
| { |
| assert(n != 0); |
| assert(x != NULL); |
| assert(y != NULL); |
| |
| for (; n >= 4 * sizeof(uint8_t); n -= 4 * sizeof(uint8_t)) { |
| const size_t vx0 = (size_t) x[0]; |
| const size_t vx1 = (size_t) x[1]; |
| const size_t vx2 = (size_t) x[2]; |
| const size_t vx3 = (size_t) x[3]; |
| x += 4; |
| |
| const uint32_t vt0 = (uint32_t) t[vx0]; |
| const uint32_t vt1 = (uint32_t) t[vx1]; |
| const uint32_t vt2 = (uint32_t) t[vx2]; |
| const uint32_t vt3 = (uint32_t) t[vx3]; |
| |
| y[0] = (uint8_t) vt0; |
| y[1] = (uint8_t) vt1; |
| y[2] = (uint8_t) vt2; |
| y[3] = (uint8_t) vt3; |
| y += 4; |
| } |
| if XNN_UNLIKELY(n != 0) { |
| do { |
| const size_t vx = (size_t) *x++; |
| const uint32_t vt = (uint32_t) t[vx]; |
| *y++ = (uint8_t) vt; |
| n -= sizeof(uint8_t); |
| } while (n != 0); |
| } |
| } |