xref: /aosp_15_r20/external/XNNPACK/src/f32-vbinary/gen/vsubc-relu-scalar-x4.c (revision 4bdc94577ba0e567308109d787f7fec7b531ce36)
1*4bdc9457SAndroid Build Coastguard Worker // Auto-generated file. Do not edit!
2*4bdc9457SAndroid Build Coastguard Worker //   Template: src/f32-vbinary/vopc-scalar.c.in
3*4bdc9457SAndroid Build Coastguard Worker //   Generator: tools/xngen
4*4bdc9457SAndroid Build Coastguard Worker //
5*4bdc9457SAndroid Build Coastguard Worker // Copyright 2019 Google LLC
6*4bdc9457SAndroid Build Coastguard Worker //
7*4bdc9457SAndroid Build Coastguard Worker // This source code is licensed under the BSD-style license found in the
8*4bdc9457SAndroid Build Coastguard Worker // LICENSE file in the root directory of this source tree.
9*4bdc9457SAndroid Build Coastguard Worker 
10*4bdc9457SAndroid Build Coastguard Worker #include <assert.h>
11*4bdc9457SAndroid Build Coastguard Worker 
12*4bdc9457SAndroid Build Coastguard Worker #include <xnnpack/common.h>
13*4bdc9457SAndroid Build Coastguard Worker #include <xnnpack/math.h>
14*4bdc9457SAndroid Build Coastguard Worker #include <xnnpack/vbinary.h>
15*4bdc9457SAndroid Build Coastguard Worker 
16*4bdc9457SAndroid Build Coastguard Worker 
xnn_f32_vsubc_relu_ukernel__scalar_x4(size_t n,const float * a,const float * b,float * y,const union xnn_f32_relu_params params[restrict XNN_MIN_ELEMENTS (1)])17*4bdc9457SAndroid Build Coastguard Worker void xnn_f32_vsubc_relu_ukernel__scalar_x4(
18*4bdc9457SAndroid Build Coastguard Worker     size_t n,
19*4bdc9457SAndroid Build Coastguard Worker     const float* a,
20*4bdc9457SAndroid Build Coastguard Worker     const float* b,
21*4bdc9457SAndroid Build Coastguard Worker     float* y,
22*4bdc9457SAndroid Build Coastguard Worker     const union xnn_f32_relu_params params[restrict XNN_MIN_ELEMENTS(1)])
23*4bdc9457SAndroid Build Coastguard Worker {
24*4bdc9457SAndroid Build Coastguard Worker   assert(n != 0);
25*4bdc9457SAndroid Build Coastguard Worker   assert(n % sizeof(float) == 0);
26*4bdc9457SAndroid Build Coastguard Worker   assert(a != NULL);
27*4bdc9457SAndroid Build Coastguard Worker   assert(b != NULL);
28*4bdc9457SAndroid Build Coastguard Worker   assert(y != NULL);
29*4bdc9457SAndroid Build Coastguard Worker 
30*4bdc9457SAndroid Build Coastguard Worker 
31*4bdc9457SAndroid Build Coastguard Worker   const float vb = *b;
32*4bdc9457SAndroid Build Coastguard Worker   for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) {
33*4bdc9457SAndroid Build Coastguard Worker     const float va0 = a[0];
34*4bdc9457SAndroid Build Coastguard Worker     const float va1 = a[1];
35*4bdc9457SAndroid Build Coastguard Worker     const float va2 = a[2];
36*4bdc9457SAndroid Build Coastguard Worker     const float va3 = a[3];
37*4bdc9457SAndroid Build Coastguard Worker     a += 4;
38*4bdc9457SAndroid Build Coastguard Worker 
39*4bdc9457SAndroid Build Coastguard Worker     float vy0 = va0 - vb;
40*4bdc9457SAndroid Build Coastguard Worker     float vy1 = va1 - vb;
41*4bdc9457SAndroid Build Coastguard Worker     float vy2 = va2 - vb;
42*4bdc9457SAndroid Build Coastguard Worker     float vy3 = va3 - vb;
43*4bdc9457SAndroid Build Coastguard Worker 
44*4bdc9457SAndroid Build Coastguard Worker 
45*4bdc9457SAndroid Build Coastguard Worker     vy0 = math_max_f32(vy0, 0.0f);
46*4bdc9457SAndroid Build Coastguard Worker     vy1 = math_max_f32(vy1, 0.0f);
47*4bdc9457SAndroid Build Coastguard Worker     vy2 = math_max_f32(vy2, 0.0f);
48*4bdc9457SAndroid Build Coastguard Worker     vy3 = math_max_f32(vy3, 0.0f);
49*4bdc9457SAndroid Build Coastguard Worker 
50*4bdc9457SAndroid Build Coastguard Worker     y[0] = vy0;
51*4bdc9457SAndroid Build Coastguard Worker     y[1] = vy1;
52*4bdc9457SAndroid Build Coastguard Worker     y[2] = vy2;
53*4bdc9457SAndroid Build Coastguard Worker     y[3] = vy3;
54*4bdc9457SAndroid Build Coastguard Worker     y += 4;
55*4bdc9457SAndroid Build Coastguard Worker   }
56*4bdc9457SAndroid Build Coastguard Worker   if XNN_UNLIKELY(n != 0) {
57*4bdc9457SAndroid Build Coastguard Worker     do {
58*4bdc9457SAndroid Build Coastguard Worker       const float va = *a++;
59*4bdc9457SAndroid Build Coastguard Worker       float vy = va - vb;
60*4bdc9457SAndroid Build Coastguard Worker       vy = math_max_f32(vy, 0.0f);
61*4bdc9457SAndroid Build Coastguard Worker       *y++ = vy;
62*4bdc9457SAndroid Build Coastguard Worker       n -= sizeof(float);
63*4bdc9457SAndroid Build Coastguard Worker     } while (n != 0);
64*4bdc9457SAndroid Build Coastguard Worker   }
65*4bdc9457SAndroid Build Coastguard Worker }
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