1 // Auto-generated file. Do not edit!
2 // Template: src/f32-vbinary/vopc-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_vsubc_ukernel__avx512f_x16(size_t n,const float * a,const float * b,float * y,const union xnn_f32_output_params params[restrict static1])19 void xnn_f32_vsubc_ukernel__avx512f_x16(
20 size_t n,
21 const float* a,
22 const float* b,
23 float* y,
24 const union xnn_f32_output_params params[restrict static 1])
25 {
26 assert(n != 0);
27 assert(n % sizeof(float) == 0);
28
29 const __m512 vy_min = _mm512_broadcast_f32x4(_mm_load_ps(params->sse.min));
30 const __m512 vy_max = _mm512_broadcast_f32x4(_mm_load_ps(params->sse.max));
31
32 const __m512 vb = _mm512_set1_ps(*b);
33 for (; n >= 16 * sizeof(float); n -= 16 * sizeof(float)) {
34 const __m512 va0123456789ABCDEF = _mm512_loadu_ps(a);
35 a += 16;
36
37 __m512 vy0123456789ABCDEF = _mm512_sub_ps(va0123456789ABCDEF, vb);
38
39 vy0123456789ABCDEF = _mm512_max_ps(vy0123456789ABCDEF, vy_min);
40
41 vy0123456789ABCDEF = _mm512_min_ps(vy0123456789ABCDEF, vy_max);
42
43 _mm512_storeu_ps(y, vy0123456789ABCDEF);
44 y += 16;
45 }
46 for (; n >= 16 * sizeof(float); n -= 16 * sizeof(float)) {
47 const __m512 va = _mm512_loadu_ps(a);
48 a += 16;
49
50 __m512 vy = _mm512_sub_ps(va, vb);
51 vy = _mm512_max_ps(vy, vy_min);
52 vy = _mm512_min_ps(vy, vy_max);
53 _mm512_storeu_ps(y, vy);
54 y += 16;
55 }
56 if XNN_UNLIKELY(n != 0) {
57 assert(n >= 1 * sizeof(float));
58 assert(n <= 15 * sizeof(float));
59 // Prepare mask for valid 32-bit elements (depends on n).
60 n >>= 2 /* log2(sizeof(float)) */;
61 const __mmask16 vmask = _cvtu32_mask16((uint16_t) ((uint32_t) (UINT32_C(1) << n) - UINT32_C(1)));
62
63 const __m512 va = _mm512_maskz_loadu_ps(vmask, a);
64
65 __m512 vy = _mm512_sub_ps(va, vb);
66 vy = _mm512_max_ps(vy, vy_min);
67 vy = _mm512_min_ps(vy, vy_max);
68 _mm512_mask_storeu_ps(y, vmask, vy);
69 }
70 }
71