1 // Auto-generated file. Do not edit!
2 // Template: src/f32-vunary/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/math.h>
16 #include <xnnpack/vunary.h>
17
18
xnn_f32_vsqr_ukernel__wasmsimd_x4(size_t n,const float * x,float * y,const void * params)19 void xnn_f32_vsqr_ukernel__wasmsimd_x4(
20 size_t n,
21 const float* x,
22 float* y,
23 const void* params) XNN_DISABLE_TSAN
24 {
25 assert(n != 0);
26 assert(n % sizeof(float) == 0);
27 assert(x != NULL);
28 assert(y != NULL);
29
30 for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) {
31 const v128_t vx = wasm_v128_load(x);
32 x += 4;
33
34 const v128_t vy = wasm_f32x4_mul(vx, vx);
35
36 wasm_v128_store(y, vy);
37 y += 4;
38 }
39 if XNN_UNLIKELY(n != 0) {
40 const v128_t vx = wasm_v128_load(x);
41 v128_t vy = wasm_f32x4_mul(vx, vx);
42 if (n & (2 * sizeof(float))) {
43 *((double*) y) = wasm_f64x2_extract_lane(vy, 0);
44 vy = wasm_v32x4_shuffle(vy, vy, 2, 3, 2, 3);
45 y += 2;
46 }
47 if (n & (1 * sizeof(float))) {
48 *y = wasm_f32x4_extract_lane(vy, 0);
49 }
50 }
51 }
52