1 // Auto-generated file. Do not edit!
2 // Template: src/f32-vhswish/wasmsimd.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/common.h>
15 #include <xnnpack/vunary.h>
16
17
xnn_f32_vhswish_ukernel__wasmsimd_x4(size_t n,const float * x,float * y,const union xnn_f32_hswish_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_f32_vhswish_ukernel__wasmsimd_x4(
19 size_t n,
20 const float* x,
21 float* y,
22 const union xnn_f32_hswish_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
23 {
24 assert(n != 0);
25 assert(n % sizeof(float) == 0);
26
27 const v128_t vsixth = wasm_v128_load64_splat(params->wasmsimd.sixth);
28 const v128_t vthree = wasm_v128_load64_splat(params->wasmsimd.three);
29 const v128_t vsix = wasm_v128_load64_splat(params->wasmsimd.six);
30 const v128_t vzero = wasm_i32x4_const_splat(0);
31
32 for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) {
33 v128_t vx = wasm_v128_load(x);
34 x += 4;
35
36 v128_t vacc = wasm_f32x4_add(vx, vthree);
37 vx = wasm_f32x4_mul(vx, vsixth);
38 vacc = wasm_i32x4_max(vacc, vzero);
39 vacc = wasm_i32x4_min(vacc, vsix);
40 vacc = wasm_f32x4_mul(vacc, vx);
41
42 wasm_v128_store(y, vacc);
43 y += 4;
44 }
45 if XNN_UNLIKELY(n != 0) {
46 v128_t vx = wasm_v128_load(x);
47
48 v128_t vacc = wasm_f32x4_add(vx, vthree);
49 vx = wasm_f32x4_mul(vx, vsixth);
50 vacc = wasm_i32x4_max(vacc, vzero);
51 vacc = wasm_i32x4_min(vacc, vsix);
52 vacc = wasm_f32x4_mul(vacc, vx);
53
54 if (n & (2 * sizeof(float))) {
55 *((double*) y) = wasm_f64x2_extract_lane(vacc, 0);
56 vacc = wasm_v32x4_shuffle(vacc, vacc, 2, 3, 2, 3);
57 y += 2;
58 }
59 if (n & (1 * sizeof(float))) {
60 *y = wasm_f32x4_extract_lane(vacc, 0);
61 }
62 }
63 }
64