1 // Auto-generated file. Do not edit!
2 // Template: src/f32-vlrelu/sse.c.in
3 // Generator: tools/xngen
4 //
5 // Copyright 2020 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 <xmmintrin.h>
13
14 #include <xnnpack/common.h>
15 #include <xnnpack/vunary.h>
16
17
xnn_f32_vlrelu_ukernel__sse_x8(size_t n,const float * x,float * y,const union xnn_f32_lrelu_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_f32_vlrelu_ukernel__sse_x8(
19 size_t n,
20 const float* x,
21 float* y,
22 const union xnn_f32_lrelu_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN
23 {
24 assert(n != 0);
25 assert(n % sizeof(float) == 0);
26
27 const __m128 vslope = _mm_load_ps(params->sse.slope);
28 const __m128 vzero = _mm_setzero_ps();
29 for (; n >= 8 * sizeof(float); n -= 8 * sizeof(float)) {
30 __m128 vx0123 = _mm_loadu_ps(x);
31 __m128 vx4567 = _mm_loadu_ps(x + 4);
32 x += 8;
33
34 __m128 vacc0123 = _mm_max_ps(_mm_setzero_ps(), vx0123);
35 vx0123 = _mm_min_ps(vx0123, vzero);
36 __m128 vacc4567 = _mm_max_ps(_mm_setzero_ps(), vx4567);
37 vx4567 = _mm_min_ps(vx4567, vzero);
38
39 vacc0123 = _mm_add_ps(vacc0123, _mm_mul_ps(vx0123, vslope));
40 vacc4567 = _mm_add_ps(vacc4567, _mm_mul_ps(vx4567, vslope));
41
42 _mm_storeu_ps(y, vacc0123);
43 _mm_storeu_ps(y + 4, vacc4567);
44 y += 8;
45 }
46 for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) {
47 __m128 vx = _mm_loadu_ps(x);
48 x += 4;
49
50 __m128 vacc = _mm_max_ps(_mm_setzero_ps(), vx);
51 vx = _mm_min_ps(vx, vzero);
52 vacc = _mm_add_ps(vacc, _mm_mul_ps(vx, vslope));
53
54 _mm_storeu_ps(y, vacc);
55 y += 4;
56 }
57 if XNN_UNLIKELY(n != 0) {
58 __m128 vx = _mm_loadu_ps(x);
59
60 __m128 vacc = _mm_max_ps(_mm_setzero_ps(), vx);
61 vx = _mm_min_ps(vx, vzero);
62 vacc = _mm_add_ps(vacc, _mm_mul_ps(vx, vslope));
63
64 if (n & (2 * sizeof(float))) {
65 _mm_storel_pi((__m64*) y, vacc);
66 vacc = _mm_movehl_ps(vacc, vacc);
67 y += 2;
68 }
69 if (n & (1 * sizeof(float))) {
70 _mm_store_ss(y, vacc);
71 }
72 }
73 }
74