1 // Auto-generated file. Do not edit!
2 // Template: src/f16-vbinary/vopc-neonfp16arith.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 <arm_neon.h>
13
14 #include <xnnpack/common.h>
15 #include <xnnpack/vbinary.h>
16
17
xnn_f16_vdivc_minmax_ukernel__neonfp16arith_x16(size_t n,const void * restrict a_ptr,const void * restrict b_ptr,void * restrict y_ptr,const union xnn_f16_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_f16_vdivc_minmax_ukernel__neonfp16arith_x16(
19 size_t n,
20 const void* restrict a_ptr,
21 const void* restrict b_ptr,
22 void* restrict y_ptr,
23 const union xnn_f16_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
24 {
25 assert(n != 0);
26 assert(n % sizeof(__fp16) == 0);
27 assert(a_ptr != NULL);
28 assert(b_ptr != NULL);
29 assert(y_ptr != NULL);
30
31 const __fp16* a = (const __fp16*) a_ptr;
32 const __fp16* b = (const __fp16*) b_ptr;
33 __fp16* y = (__fp16*) y_ptr;
34
35 const float16x8_t vy_min = vreinterpretq_f16_u16(vld1q_dup_u16(¶ms->neon.min));
36 const float16x8_t vy_max = vreinterpretq_f16_u16(vld1q_dup_u16(¶ms->neon.max));
37
38 const float16x8_t vb = vld1q_dup_f16(b);
39 for (; n >= 16 * sizeof(__fp16); n -= 16 * sizeof(__fp16)) {
40 const float16x8_t va01234567 = vld1q_f16(a); a += 8;
41 const float16x8_t va456789AB = vld1q_f16(a); a += 8;
42
43 float16x8_t vy01234567 = vdivq_f16(va01234567, vb);
44 float16x8_t vy456789AB = vdivq_f16(va456789AB, vb);
45
46
47 vy01234567 = vmaxq_f16(vy01234567, vy_min);
48 vy456789AB = vmaxq_f16(vy456789AB, vy_min);
49
50 vy01234567 = vminq_f16(vy01234567, vy_max);
51 vy456789AB = vminq_f16(vy456789AB, vy_max);
52
53 vst1q_f16(y, vy01234567); y += 8;
54 vst1q_f16(y, vy456789AB); y += 8;
55 }
56 for (; n >= 8 * sizeof(__fp16); n -= 8 * sizeof(__fp16)) {
57 const float16x8_t va01234567 = vld1q_f16(a); a += 8;
58
59 float16x8_t vy01234567 = vdivq_f16(va01234567, vb);
60 vy01234567 = vmaxq_f16(vy01234567, vy_min);
61 vy01234567 = vminq_f16(vy01234567, vy_max);
62 vst1q_f16(y, vy01234567); y += 8;
63 }
64 if XNN_UNLIKELY(n != 0) {
65 const float16x8_t va01234567 = vld1q_f16(a);
66
67 float16x8_t vy01234567 = vdivq_f16(va01234567, vb);
68 vy01234567 = vmaxq_f16(vy01234567, vy_min);
69 vy01234567 = vminq_f16(vy01234567, vy_max);
70
71 float16x4_t vy0123 = vget_low_f16(vy01234567);
72 if (n & (4 * sizeof(__fp16))) {
73 vst1_f16(y, vy0123); y += 4;
74 vy0123 = vget_high_f16(vy01234567);
75 }
76
77 if (n & (2 * sizeof(__fp16))) {
78 vst1_lane_u32((void*) y, vreinterpret_u32_f16(vy0123), 0); y += 2;
79 vy0123 = vext_f16(vy0123, vy0123, 2);
80 }
81
82 if (n & (1 * sizeof(__fp16))) {
83 vst1_lane_f16(y, vy0123, 0);
84 }
85 }
86 }
87