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
xnn_f32_vsqrdiffc_ukernel__neon_x8(size_t n,const float * a,const float * b,float * y,const union xnn_f32_default_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_f32_vsqrdiffc_ukernel__neon_x8(
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_OOB_READS
24 {
25 assert(n != 0);
26 assert(n % sizeof(float) == 0);
27 assert(a != NULL);
28 assert(b != NULL);
29 assert(y != NULL);
30
31
32 const float32x4_t vb = vld1q_dup_f32(b);
33 for (; n >= 8 * sizeof(float); n -= 8 * sizeof(float)) {
34 const float32x4_t va0123 = vld1q_f32(a); a += 4;
35 const float32x4_t va4567 = vld1q_f32(a); a += 4;
36
37 float32x4_t vy0123 = vsubq_f32(va0123, vb);
38 float32x4_t vy4567 = vsubq_f32(va4567, vb);
39
40 vy0123 = vmulq_f32(vy0123, vy0123);
41 vy4567 = vmulq_f32(vy4567, vy4567);
42
43
44 vst1q_f32(y, vy0123); y += 4;
45 vst1q_f32(y, vy4567); y += 4;
46 }
47 for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) {
48 const float32x4_t va0123 = vld1q_f32(a); a += 4;
49
50 float32x4_t vy0123 = vsubq_f32(va0123, vb);
51 vy0123 = vmulq_f32(vy0123, vy0123);
52 vst1q_f32(y, vy0123); y += 4;
53 }
54 if XNN_UNLIKELY(n != 0) {
55 const float32x4_t va0123 = vld1q_f32(a);
56
57 float32x4_t vy0123 = vsubq_f32(va0123, vb);
58 vy0123 = vmulq_f32(vy0123, vy0123);
59
60 float32x2_t vy01 = vget_low_f32(vy0123);
61 if (n & (2 * sizeof(float))) {
62 vst1_f32(y, vy01); y += 2;
63 vy01 = vget_high_f32(vy0123);
64 }
65 if (n & (1 * sizeof(float))) {
66 vst1_lane_f32(y, vy01, 0);
67 }
68 }
69 }
70