1 // Auto-generated file. Do not edit!
2 // Template: src/f32-vhswish/sse.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 <xmmintrin.h>
13
14 #include <xnnpack/common.h>
15 #include <xnnpack/vunary.h>
16
17
xnn_f32_vhswish_ukernel__sse_x8(size_t n,const float * x,float * y,const union xnn_f32_hswish_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_f32_vhswish_ukernel__sse_x8(
19 size_t n,
20 const float* x,
21 float* y,
22 const union xnn_f32_hswish_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
23 {
24 assert(n != 0);
25 assert(n % sizeof(float) == 0);
26
27 const __m128 vsixth = _mm_load_ps(params->sse.sixth);
28 const __m128 vhalf = _mm_load_ps(params->sse.half);
29 const __m128 vone = _mm_load_ps(params->sse.one);
30 const __m128 vzero = _mm_setzero_ps();
31
32 for (; n >= 8 * sizeof(float); n -= 8 * sizeof(float)) {
33 const __m128 vx0123 = _mm_loadu_ps(x);
34 const __m128 vx4567 = _mm_loadu_ps(x + 4);
35 x += 8;
36
37 __m128 vacc0123 = _mm_mul_ps(vx0123, vsixth);
38 __m128 vacc4567 = _mm_mul_ps(vx4567, vsixth);
39
40 vacc0123 = _mm_add_ps(vacc0123, vhalf);
41 vacc4567 = _mm_add_ps(vacc4567, vhalf);
42
43 vacc0123 = _mm_max_ps(vacc0123, vzero);
44 vacc4567 = _mm_max_ps(vacc4567, vzero);
45
46 vacc0123 = _mm_min_ps(vacc0123, vone);
47 vacc4567 = _mm_min_ps(vacc4567, vone);
48
49 vacc0123 = _mm_mul_ps(vacc0123, vx0123);
50 vacc4567 = _mm_mul_ps(vacc4567, vx4567);
51
52 _mm_storeu_ps(y, vacc0123);
53 _mm_storeu_ps(y + 4, vacc4567);
54 y += 8;
55 }
56 for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) {
57 const __m128 vx0123 = _mm_loadu_ps(x);
58 x += 4;
59 __m128 vacc0123 = _mm_mul_ps(vx0123, vsixth);
60 vacc0123 = _mm_add_ps(vacc0123, vhalf);
61 vacc0123 = _mm_max_ps(vacc0123, vzero);
62 vacc0123 = _mm_min_ps(vacc0123, vone);
63 vacc0123 = _mm_mul_ps(vacc0123, vx0123);
64 _mm_storeu_ps(y, vacc0123);
65 y += 4;
66 }
67 if XNN_UNLIKELY(n != 0) {
68 const __m128 vx0123 = _mm_loadu_ps(x);
69 __m128 vacc0123 = _mm_mul_ps(vx0123, vsixth);
70 vacc0123 = _mm_add_ps(vacc0123, vhalf);
71 vacc0123 = _mm_max_ps(vacc0123, vzero);
72 vacc0123 = _mm_min_ps(vacc0123, vone);
73 vacc0123 = _mm_mul_ps(vacc0123, vx0123);
74
75 if (n & (2 * sizeof(float))) {
76 _mm_storel_pi((__m64*) y, vacc0123);
77 vacc0123 = _mm_movehl_ps(vacc0123, vacc0123);
78 y += 2;
79 }
80 if (n & (1 * sizeof(float))) {
81 _mm_store_ss(y, vacc0123);
82 }
83 }
84 }
85