• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 // Auto-generated file. Do not edit!
2 //   Template: src/f32-hswish/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 <emmintrin.h>
13 
14 #include <xnnpack/common.h>
15 #include <xnnpack/vbinary.h>
16 
17 
xnn_f32_hswish_ukernel__sse_x4(size_t n,const float * x,float * y,const union xnn_f32_hswish_params params[restrict static1])18 void xnn_f32_hswish_ukernel__sse_x4(
19     size_t n,
20     const float* x,
21     float* y,
22     const union xnn_f32_hswish_params params[restrict static 1])
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 >= 4 * sizeof(float); n -= 4 * sizeof(float)) {
33     const __m128 vx0123 = _mm_loadu_ps(x);
34     x += 4;
35 
36     __m128 vacc0123 = _mm_mul_ps(vx0123, vsixth);
37 
38     vacc0123 = _mm_add_ps(vacc0123, vhalf);
39 
40     vacc0123 = _mm_max_ps(vacc0123, vzero);
41 
42     vacc0123 = _mm_min_ps(vacc0123, vone);
43 
44     vacc0123 = _mm_mul_ps(vacc0123, vx0123);
45 
46     _mm_storeu_ps(y, vacc0123);
47     y += 4;
48   }
49   for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) {
50     const __m128 vx0123 = _mm_loadu_ps(x);
51     x += 4;
52     __m128 vacc0123 = _mm_mul_ps(vx0123, vsixth);
53     vacc0123 = _mm_add_ps(vacc0123, vhalf);
54     vacc0123 = _mm_max_ps(vacc0123, vzero);
55     vacc0123 = _mm_min_ps(vacc0123, vone);
56     vacc0123 = _mm_mul_ps(vacc0123, vx0123);
57     _mm_storeu_ps(y, vacc0123);
58     y += 4;
59   }
60   if XNN_UNLIKELY(n != 0) {
61     const __m128 vx0123 = _mm_loadu_ps(x);
62     __m128 vacc0123 = _mm_mul_ps(vx0123, vsixth);
63     vacc0123 = _mm_add_ps(vacc0123, vhalf);
64     vacc0123 = _mm_max_ps(vacc0123, vzero);
65     vacc0123 = _mm_min_ps(vacc0123, vone);
66     vacc0123 = _mm_mul_ps(vacc0123, vx0123);
67 
68     if (n & (2 * sizeof(float))) {
69       _mm_storel_pi((__m64*) y, vacc0123);
70       vacc0123 = _mm_movehl_ps(vacc0123, vacc0123);
71       y += 2;
72     }
73     if (n & (1 * sizeof(float))) {
74       _mm_store_ss(y, vacc0123);
75     }
76   }
77 }
78