Marat Dukhan | 13bafb0 | 2020-06-05 00:43:11 -0700 | [diff] [blame] | 1 | // Auto-generated file. Do not edit! |
| 2 | // Template: src/f32-vbinary/vopc-neon.c.in |
| 3 | // Generator: tools/xngen |
| 4 | // |
| 5 | // Copyright 2019 Google LLC |
| 6 | // |
| 7 | // This source code is licensed under the BSD-style license found in the |
| 8 | // LICENSE file in the root directory of this source tree. |
| 9 | |
| 10 | #include <assert.h> |
| 11 | |
| 12 | #include <arm_neon.h> |
| 13 | |
| 14 | #include <xnnpack/common.h> |
| 15 | #include <xnnpack/vbinary.h> |
| 16 | |
| 17 | |
| 18 | void xnn_f32_vsqrdiffc_ukernel__neon_x4( |
| 19 | size_t n, |
| 20 | const float* a, |
| 21 | const float* b, |
| 22 | float* y, |
| 23 | const union xnn_f32_default_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN |
| 24 | { |
| 25 | assert(n != 0); |
| 26 | assert(n % sizeof(float) == 0); |
Frank Barchard | 0822dde | 2020-07-04 12:47:24 -0700 | [diff] [blame] | 27 | assert(a != NULL); |
| 28 | assert(b != NULL); |
| 29 | assert(y != NULL); |
Marat Dukhan | 13bafb0 | 2020-06-05 00:43:11 -0700 | [diff] [blame] | 30 | |
| 31 | |
| 32 | const float32x4_t vb = vld1q_dup_f32(b); |
| 33 | for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) { |
| 34 | const float32x4_t va0123 = vld1q_f32(a); a += 4; |
| 35 | |
| 36 | float32x4_t vy0123 = vsubq_f32(va0123, vb); |
| 37 | |
| 38 | vy0123 = vmulq_f32(vy0123, vy0123); |
| 39 | |
| 40 | |
| 41 | vst1q_f32(y, vy0123); y += 4; |
| 42 | } |
Marat Dukhan | 13bafb0 | 2020-06-05 00:43:11 -0700 | [diff] [blame] | 43 | if XNN_UNLIKELY(n != 0) { |
| 44 | const float32x4_t va0123 = vld1q_f32(a); |
| 45 | |
| 46 | float32x4_t vy0123 = vsubq_f32(va0123, vb); |
| 47 | vy0123 = vmulq_f32(vy0123, vy0123); |
| 48 | |
| 49 | float32x2_t vy01 = vget_low_f32(vy0123); |
| 50 | if (n & (2 * sizeof(float))) { |
| 51 | vst1_f32(y, vy01); y += 2; |
| 52 | vy01 = vget_high_f32(vy0123); |
| 53 | } |
| 54 | if (n & (1 * sizeof(float))) { |
| 55 | vst1_lane_f32(y, vy01, 0); |
| 56 | } |
| 57 | } |
| 58 | } |