1 // Auto-generated file. Do not edit!
2 // Template: src/f32-prelu/wasmsimd-bitselect.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 <wasm_simd128.h>
13
14 #include <xnnpack/math.h>
15 #include <xnnpack/prelu.h>
16
17
xnn_f32_prelu_ukernel__wasmsimd_bitselect_1x16(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)18 void xnn_f32_prelu_ukernel__wasmsimd_bitselect_1x16(
19 size_t rows,
20 size_t channels,
21 const float*restrict input,
22 size_t input_stride,
23 const float*restrict weights,
24 float*restrict output,
25 size_t output_stride) XNN_OOB_READS
26 {
27 assert(rows != 0);
28 assert(channels != 0);
29 assert(channels % sizeof(float) == 0);
30
31 const float* i0 = input;
32 float* o0 = output;
33
34 const size_t input_increment = input_stride * 1 - channels;
35 const size_t output_increment = output_stride * 1 - channels;
36
37 do {
38
39 const float* w = weights;
40 size_t c = channels;
41 for (; c >= 16 * sizeof(float); c -= 16 * sizeof(float)) {
42 const v128_t vw0123 = wasm_v128_load(w);
43 const v128_t vw4567 = wasm_v128_load(w + 4);
44 const v128_t vw89AB = wasm_v128_load(w + 8);
45 const v128_t vwCDEF = wasm_v128_load(w + 12);
46 w += 16;
47
48 const v128_t vi0x0123 = wasm_v128_load(i0);
49 const v128_t vi0x4567 = wasm_v128_load(i0 + 4);
50 const v128_t vi0x89AB = wasm_v128_load(i0 + 8);
51 const v128_t vi0xCDEF = wasm_v128_load(i0 + 12);
52 i0 += 16;
53
54 v128_t vacc0x0123 = wasm_f32x4_mul(vi0x0123, vw0123);
55 const v128_t vmask0x0123 = wasm_i32x4_shr(vi0x0123, 31);
56 v128_t vacc0x4567 = wasm_f32x4_mul(vi0x4567, vw4567);
57 const v128_t vmask0x4567 = wasm_i32x4_shr(vi0x4567, 31);
58 v128_t vacc0x89AB = wasm_f32x4_mul(vi0x89AB, vw89AB);
59 const v128_t vmask0x89AB = wasm_i32x4_shr(vi0x89AB, 31);
60 v128_t vacc0xCDEF = wasm_f32x4_mul(vi0xCDEF, vwCDEF);
61 const v128_t vmask0xCDEF = wasm_i32x4_shr(vi0xCDEF, 31);
62
63 vacc0x0123 = wasm_v128_bitselect(vacc0x0123, vi0x0123, vmask0x0123);
64 vacc0x4567 = wasm_v128_bitselect(vacc0x4567, vi0x4567, vmask0x4567);
65 vacc0x89AB = wasm_v128_bitselect(vacc0x89AB, vi0x89AB, vmask0x89AB);
66 vacc0xCDEF = wasm_v128_bitselect(vacc0xCDEF, vi0xCDEF, vmask0xCDEF);
67
68 wasm_v128_store(o0, vacc0x0123);
69 wasm_v128_store(o0 + 4, vacc0x4567);
70 wasm_v128_store(o0 + 8, vacc0x89AB);
71 wasm_v128_store(o0 + 12, vacc0xCDEF);
72 o0 += 16;
73 }
74 for (; c >= 4 * sizeof(float); c -= 4 * sizeof(float)) {
75 const v128_t vw0123 = wasm_v128_load(w);
76 w += 4;
77
78 const v128_t vi0x0123 = wasm_v128_load(i0);
79 i0 += 4;
80
81 v128_t vacc0x0123 = wasm_f32x4_mul(vi0x0123, vw0123);
82 const v128_t vmask0x0123 = wasm_i32x4_shr(vi0x0123, 31);
83
84 vacc0x0123 = wasm_v128_bitselect(vacc0x0123, vi0x0123, vmask0x0123);
85
86 wasm_v128_store(o0, vacc0x0123);
87 o0 += 4;
88 }
89 if XNN_UNLIKELY(c != 0) {
90 const v128_t vw0123 = wasm_v128_load(w);
91 w = (const float*) ((uintptr_t) w + c);
92
93 const v128_t vi0x0123 = wasm_v128_load(i0);
94 i0 = (const float*) ((uintptr_t) i0 + c);
95
96 v128_t vacc0x0123 = wasm_f32x4_mul(vi0x0123, vw0123);
97 const v128_t vmask0x0123 = wasm_i32x4_shr(vi0x0123, 31);
98
99 vacc0x0123 = wasm_v128_bitselect(vacc0x0123, vi0x0123, vmask0x0123);
100
101 if (c & (2 * sizeof(float))) {
102 *((double*) o0) = wasm_f64x2_extract_lane(vacc0x0123, 0);
103
104 vacc0x0123 = wasm_v32x4_shuffle(vacc0x0123, vacc0x0123, 2, 3, 2, 3);
105
106 o0 += 2;
107 }
108 if (c & (1 * sizeof(float))) {
109 *o0 = wasm_f32x4_extract_lane(vacc0x0123, 0);
110
111 o0 += 1;
112 }
113 }
114 i0 = (const float*) ((uintptr_t) i0 + input_increment);
115 o0 = (float*) ((uintptr_t) o0 + output_increment);
116 rows = doz(rows, 1);
117 } while (rows != 0);
118 }
119