1 // Auto-generated file. Do not edit!
2 // Template: src/f32-clamp/scalar.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 <xnnpack/clamp.h>
13 #include <xnnpack/common.h>
14 #include <xnnpack/math.h>
15
16
xnn_f32_clamp_ukernel__wasm_x4(size_t n,const float * x,float * y,const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])17 void xnn_f32_clamp_ukernel__wasm_x4(
18 size_t n,
19 const float* x,
20 float* y,
21 const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS(1)])
22 {
23 assert(n != 0);
24 assert(n % sizeof(float) == 0);
25 assert(x != NULL);
26 assert(y != NULL);
27
28 const float vy_min = params->scalar.min;
29 const float vy_max = params->scalar.max;
30
31 for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) {
32 float vacc0 = x[0];
33 float vacc1 = x[1];
34 float vacc2 = x[2];
35 float vacc3 = x[3];
36 x += 4;
37
38 vacc0 = __builtin_wasm_max_f32(vacc0, vy_min);
39 vacc1 = __builtin_wasm_max_f32(vacc1, vy_min);
40 vacc2 = __builtin_wasm_max_f32(vacc2, vy_min);
41 vacc3 = __builtin_wasm_max_f32(vacc3, vy_min);
42
43 vacc0 = __builtin_wasm_min_f32(vacc0, vy_max);
44 vacc1 = __builtin_wasm_min_f32(vacc1, vy_max);
45 vacc2 = __builtin_wasm_min_f32(vacc2, vy_max);
46 vacc3 = __builtin_wasm_min_f32(vacc3, vy_max);
47
48 y[0] = vacc0;
49 y[1] = vacc1;
50 y[2] = vacc2;
51 y[3] = vacc3;
52 y += 4;
53 }
54 if XNN_UNLIKELY(n != 0) {
55 do {
56 float vacc = *x++;
57 vacc = __builtin_wasm_max_f32(vacc, vy_min);
58 vacc = __builtin_wasm_min_f32(vacc, vy_max);
59 *y++ = vacc;
60 n -= sizeof(float);
61 } while (n != 0);
62 }
63 }
64