1 // Auto-generated file. Do not edit!
2 //   Template: src/f32-vbinary/vop-avx512f.c.in
3 //   Generator: tools/xngen
4 //
5 // Copyright 2019 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 <immintrin.h>
13 
14 #include <xnnpack/common.h>
15 #include <xnnpack/intrinsics-polyfill.h>
16 #include <xnnpack/vbinary.h>
17 
18 
xnn_f32_vsqrdiff_ukernel__avx512f_x32(size_t n,const float * a,const float * b,float * y,const union xnn_f32_default_params params[restrict XNN_MIN_ELEMENTS (1)])19 void xnn_f32_vsqrdiff_ukernel__avx512f_x32(
20     size_t n,
21     const float* a,
22     const float* b,
23     float* y,
24     const union xnn_f32_default_params params[restrict XNN_MIN_ELEMENTS(1)])
25 {
26   assert(n != 0);
27   assert(n % sizeof(float) == 0);
28   assert(a != NULL);
29   assert(b != NULL);
30   assert(y != NULL);
31 
32 
33   for (; n >= 32 * sizeof(float); n -= 32 * sizeof(float)) {
34     const __m512 va0123456789ABCDEF = _mm512_loadu_ps(a);
35     const __m512 vaGHIJKLMNOPQRSTUV = _mm512_loadu_ps(a + 16);
36     a += 32;
37 
38     const __m512 vb0123456789ABCDEF = _mm512_loadu_ps(b);
39     const __m512 vbGHIJKLMNOPQRSTUV = _mm512_loadu_ps(b + 16);
40     b += 32;
41 
42     __m512 vy0123456789ABCDEF = _mm512_sub_ps(va0123456789ABCDEF, vb0123456789ABCDEF);
43     __m512 vyGHIJKLMNOPQRSTUV = _mm512_sub_ps(vaGHIJKLMNOPQRSTUV, vbGHIJKLMNOPQRSTUV);
44 
45     vy0123456789ABCDEF = _mm512_mul_ps(vy0123456789ABCDEF, vy0123456789ABCDEF);
46     vyGHIJKLMNOPQRSTUV = _mm512_mul_ps(vyGHIJKLMNOPQRSTUV, vyGHIJKLMNOPQRSTUV);
47 
48 
49     _mm512_storeu_ps(y, vy0123456789ABCDEF);
50     _mm512_storeu_ps(y + 16, vyGHIJKLMNOPQRSTUV);
51     y += 32;
52   }
53   for (; n >= 16 * sizeof(float); n -= 16 * sizeof(float)) {
54     const __m512 va = _mm512_loadu_ps(a);
55     a += 16;
56 
57     const __m512 vb = _mm512_loadu_ps(b);
58     b += 16;
59 
60     __m512 vy = _mm512_sub_ps(va, vb);
61     vy = _mm512_mul_ps(vy, vy);
62     _mm512_storeu_ps(y, vy);
63     y += 16;
64   }
65   if XNN_UNLIKELY(n != 0) {
66     assert(n >= 1 * sizeof(float));
67     assert(n <= 15 * sizeof(float));
68     // Prepare mask for valid 32-bit elements (depends on n).
69     n >>= 2 /* log2(sizeof(float)) */;
70     const __mmask16 vmask = _cvtu32_mask16((uint16_t) ((uint32_t) (UINT32_C(1) << n) - UINT32_C(1)));
71 
72     const __m512 va = _mm512_maskz_loadu_ps(vmask, a);
73     const __m512 vb = _mm512_maskz_loadu_ps(vmask, b);
74 
75     __m512 vy = _mm512_sub_ps(va, vb);
76     vy = _mm512_mul_ps(vy, vy);
77     _mm512_mask_storeu_ps(y, vmask, vy);
78   }
79 }
80