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1 // Auto-generated file. Do not edit!
2 //   Template: src/f32-vbinary/vop-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/vbinary.h>
16 
17 
xnn_f32_vmax_ukernel__wasmsimd_arm_x16(size_t n,const float * a,const float * b,float * y,const union xnn_f32_default_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_f32_vmax_ukernel__wasmsimd_arm_x16(
19     size_t n,
20     const float* a,
21     const float* b,
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(a != NULL);
28   assert(b != NULL);
29   assert(y != NULL);
30 
31 
32   for (; n >= 16 * sizeof(float); n -= 16 * sizeof(float)) {
33     const v128_t va0123 = wasm_v128_load(a);
34     const v128_t va4567 = wasm_v128_load(a + 4);
35     const v128_t va89AB = wasm_v128_load(a + 8);
36     const v128_t vaCDEF = wasm_v128_load(a + 12);
37     a += 16;
38 
39     const v128_t vb0123 = wasm_v128_load(b);
40     const v128_t vb4567 = wasm_v128_load(b + 4);
41     const v128_t vb89AB = wasm_v128_load(b + 8);
42     const v128_t vbCDEF = wasm_v128_load(b + 12);
43     b += 16;
44 
45     v128_t vy0123 = wasm_f32x4_max(va0123, vb0123);
46     v128_t vy4567 = wasm_f32x4_max(va4567, vb4567);
47     v128_t vy89AB = wasm_f32x4_max(va89AB, vb89AB);
48     v128_t vyCDEF = wasm_f32x4_max(vaCDEF, vbCDEF);
49 
50 
51 
52     wasm_v128_store(y, vy0123);
53     wasm_v128_store(y + 4, vy4567);
54     wasm_v128_store(y + 8, vy89AB);
55     wasm_v128_store(y + 12, vyCDEF);
56     y += 16;
57   }
58   for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) {
59     const v128_t va = wasm_v128_load(a);
60     a += 4;
61 
62     const v128_t vb = wasm_v128_load(b);
63     b += 4;
64 
65     v128_t vy = wasm_f32x4_max(va, vb);
66 
67 
68     wasm_v128_store(y, vy);
69     y += 4;
70   }
71   if XNN_UNLIKELY(n != 0) {
72     const v128_t va = wasm_v128_load(a);
73     const v128_t vb = wasm_v128_load(b);
74 
75     v128_t vy = wasm_f32x4_max(va, vb);
76 
77 
78     if (n & (2 * sizeof(float))) {
79       *((double*) y) = wasm_f64x2_extract_lane(vy, 0);
80       vy = wasm_v32x4_shuffle(vy, vy, 2, 3, 2, 3);
81       y += 2;
82     }
83     if (n & (1 * sizeof(float))) {
84       *y = wasm_f32x4_extract_lane(vy, 0);
85     }
86   }
87 }
88