xref: /aosp_15_r20/external/XNNPACK/src/f32-vunary/gen/vsqr-wasmsimd-x8.c (revision 4bdc94577ba0e567308109d787f7fec7b531ce36)
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