1 // Auto-generated file. Do not edit!
2 // Template: src/f32-hswish/scalar.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 <xnnpack/common.h>
13 #include <xnnpack/math.h>
14 #include <xnnpack/vbinary.h>
15
16
xnn_f32_hswish_ukernel__wasm_x4(size_t n,const float * x,float * y,const union xnn_f32_hswish_params params[restrict static1])17 void xnn_f32_hswish_ukernel__wasm_x4(
18 size_t n,
19 const float* x,
20 float* y,
21 const union xnn_f32_hswish_params params[restrict static 1])
22 {
23 assert(n != 0);
24 assert(n % sizeof(float) == 0);
25
26 const float vsixth = params->scalar.sixth;
27 const float vhalf = params->scalar.half;
28 const float vone = params->scalar.one;
29 assert(vhalf == 0.5f);
30 assert(vone == 1.0f);
31
32 for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) {
33 const float vx0 = x[0];
34 const float vx1 = x[1];
35 const float vx2 = x[2];
36 const float vx3 = x[3];
37 x += 4;
38
39 float vacc0 = vx0 * vsixth + vhalf;
40 float vacc1 = vx1 * vsixth + vhalf;
41 float vacc2 = vx2 * vsixth + vhalf;
42 float vacc3 = vx3 * vsixth + vhalf;
43
44 vacc0 = __builtin_wasm_max_f32(vacc0, 0.0f);
45 vacc1 = __builtin_wasm_max_f32(vacc1, 0.0f);
46 vacc2 = __builtin_wasm_max_f32(vacc2, 0.0f);
47 vacc3 = __builtin_wasm_max_f32(vacc3, 0.0f);
48
49 vacc0 = __builtin_wasm_min_f32(vacc0, vone);
50 vacc1 = __builtin_wasm_min_f32(vacc1, vone);
51 vacc2 = __builtin_wasm_min_f32(vacc2, vone);
52 vacc3 = __builtin_wasm_min_f32(vacc3, vone);
53
54 vacc0 *= vx0;
55 vacc1 *= vx1;
56 vacc2 *= vx2;
57 vacc3 *= vx3;
58
59 y[0] = vacc0;
60 y[1] = vacc1;
61 y[2] = vacc2;
62 y[3] = vacc3;
63 y += 4;
64 }
65 if XNN_UNLIKELY(n != 0) {
66 do {
67 const float vx = *x++;
68 float vacc = vx * vsixth + vhalf;
69 vacc = __builtin_wasm_max_f32(vacc, 0.0f);
70 vacc = __builtin_wasm_min_f32(vacc, vone);
71 vacc = vacc * vx;
72 *y++ = vacc;
73 n -= sizeof(float);
74 } while (n != 0);
75 }
76 }
77