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_x8(size_t n,const float * x,float * y,const union xnn_f32_default_params params[restrict XNN_MIN_ELEMENTS (1)])19 void xnn_f32_vsqr_ukernel__wasmsimd_x8(
20 size_t n,
21 const float* x,
22 float* y,
23 const union xnn_f32_default_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
24 {
25 assert(n != 0);
26 assert(n % sizeof(float) == 0);
27 assert(x != NULL);
28 assert(y != NULL);
29
30 for (; n >= 8 * sizeof(float); n -= 8 * sizeof(float)) {
31 const v128_t vx0123 = wasm_v128_load(x);
32 const v128_t vx4567 = wasm_v128_load(x + 4);
33 x += 8;
34
35 const v128_t vy0123 = wasm_f32x4_mul(vx0123, vx0123);
36 const v128_t vy4567 = wasm_f32x4_mul(vx4567, vx4567);
37
38 wasm_v128_store(y, vy0123);
39 wasm_v128_store(y + 4, vy4567);
40 y += 8;
41 }
42 for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) {
43 const v128_t vx = wasm_v128_load(x);
44 x += 4;
45
46 const v128_t vy = wasm_f32x4_mul(vx, vx);
47
48 wasm_v128_store(y, vy);
49 y += 4;
50 }
51 if XNN_UNLIKELY(n != 0) {
52 const v128_t vx = wasm_v128_load(x);
53 v128_t vy = wasm_f32x4_mul(vx, vx);
54 if (n & (2 * sizeof(float))) {
55 *((double*) y) = wasm_f64x2_extract_lane(vy, 0);
56 vy = wasm_v32x4_shuffle(vy, vy, 2, 3, 2, 3);
57 y += 2;
58 }
59 if (n & (1 * sizeof(float))) {
60 *y = wasm_f32x4_extract_lane(vy, 0);
61 }
62 }
63 }
64