1 // Auto-generated file. Do not edit!
2 // Template: src/f32-vmulcaddc/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/math.h>
13 #include <xnnpack/vmulcaddc.h>
14
15
xnn_f32_vmulcaddc_minmax_ukernel_c1__wasm_2x(size_t rows,size_t channels,const float * restrict input,size_t input_stride,const float * restrict weights,float * restrict output,size_t output_stride,const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])16 void xnn_f32_vmulcaddc_minmax_ukernel_c1__wasm_2x(
17 size_t rows,
18 size_t channels,
19 const float*restrict input,
20 size_t input_stride,
21 const float*restrict weights,
22 float*restrict output,
23 size_t output_stride,
24 const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS(1)])
25 {
26 assert(rows != 0);
27 assert(channels != 0);
28 assert(channels % sizeof(float) == 0);
29
30 const size_t input_increment = input_stride * 2 - channels;
31 const size_t output_increment = output_stride * 2 - channels;
32
33 const float* i0 = input;
34 float* o0 = output;
35 const float* i1 = (const float*) ((uintptr_t) i0 + input_stride);
36 float* o1 = (float*) ((uintptr_t) o0 + output_stride);
37 if XNN_UNPREDICTABLE(rows < 2) {
38 i1 = i0;
39 o1 = o0;
40 }
41
42 const float vmin = params->scalar.min;
43 const float vmax = params->scalar.max;
44 do {
45 const float* w = weights;
46 size_t c = channels;
47 do {
48 const float vscale = w[0];
49
50 float vacc0 = *i0++;
51 float vacc1 = *i1++;
52
53 const float vbias = w[1];
54
55 vacc0 = vacc0 * vscale + vbias;
56 vacc1 = vacc1 * vscale + vbias;
57
58 vacc0 = __builtin_wasm_max_f32(vacc0, vmin);
59 vacc1 = __builtin_wasm_max_f32(vacc1, vmin);
60
61 vacc0 = __builtin_wasm_min_f32(vacc0, vmax);
62 vacc1 = __builtin_wasm_min_f32(vacc1, vmax);
63
64 *o0++ = vacc0;
65 *o1++ = vacc1;
66
67 w += 2;
68 c -= sizeof(float);
69 } while (c != 0);
70 i0 = (const float*) ((uintptr_t) i0 + input_increment);
71 o0 = (float*) ((uintptr_t) o0 + output_increment);
72 i1 = (const float*) ((uintptr_t) i1 + input_increment);
73 o1 = (float*) ((uintptr_t) o1 + output_increment);
74 if XNN_UNPREDICTABLE(rows < 4) {
75 i1 = i0;
76 o1 = o0;
77 }
78 rows = doz(rows, 2);
79 } while (rows != 0);
80 }
81