1 // Auto-generated file. Do not edit!
2 // Template: src/f16-vbinary/vop-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_vmul_minmax_ukernel__neonfp16arith_x8(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_vmul_minmax_ukernel__neonfp16arith_x8(
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 for (; n >= 8 * sizeof(__fp16); n -= 8 * sizeof(__fp16)) {
39 const float16x8_t va01234567 = vld1q_f16(a); a += 8;
40 const float16x8_t vb01234567 = vld1q_f16(b); b += 8;
41
42 float16x8_t vy01234567 = vmulq_f16(va01234567, vb01234567);
43 vy01234567 = vmaxq_f16(vy01234567, vy_min);
44 vy01234567 = vminq_f16(vy01234567, vy_max);
45 vst1q_f16(y, vy01234567); y += 8;
46 }
47 if XNN_UNLIKELY(n != 0) {
48 const float16x8_t va01234567 = vld1q_f16(a);
49 const float16x8_t vb01234567 = vld1q_f16(b);
50
51 float16x8_t vy01234567 = vmulq_f16(va01234567, vb01234567);
52 vy01234567 = vmaxq_f16(vy01234567, vy_min);
53 vy01234567 = vminq_f16(vy01234567, vy_max);
54
55 float16x4_t vy0123 = vget_low_f16(vy01234567);
56 if (n & (4 * sizeof(__fp16))) {
57 vst1_f16(y, vy0123); y += 4;
58 vy0123 = vget_high_f16(vy01234567);
59 }
60
61 if (n & (2 * sizeof(__fp16))) {
62 vst1_lane_u32((void*) y, vreinterpret_u32_f16(vy0123), 0); y += 2;
63 vy0123 = vext_f16(vy0123, vy0123, 2);
64 }
65
66 if (n & (1 * sizeof(__fp16))) {
67 vst1_lane_f16(y, vy0123, 0);
68 }
69 }
70 }
71