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1 // Auto-generated file. Do not edit!
2 //   Template: src/f16-dwconv/up-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/dwconv.h>
15 
16 
xnn_f16_dwconv_minmax_ukernel_up32x4__neonfp16arith(size_t channels,size_t output_width,const void ** input,const void * weights,void * output_ptr,size_t input_stride,size_t output_increment,size_t input_offset,const void * zero,const union xnn_f16_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])17 void xnn_f16_dwconv_minmax_ukernel_up32x4__neonfp16arith(
18     size_t channels,
19     size_t output_width,
20     const void** input,
21     const void* weights,
22     void* output_ptr,
23     size_t input_stride,
24     size_t output_increment,
25     size_t input_offset,
26     const void* zero,
27     const union xnn_f16_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
28 {
29   assert(channels != 0);
30   assert(output_width != 0);
31 
32   __fp16* output = (__fp16*) output_ptr;
33   const float16x8_t vmax = vreinterpretq_f16_u16(vld1q_dup_u16(&params->neon.max));
34   const float16x8_t vmin = vreinterpretq_f16_u16(vld1q_dup_u16(&params->neon.min));
35   do {
36     const __fp16* i0 = (const __fp16*) input[0];
37     assert(i0 != NULL);
38     if XNN_UNPREDICTABLE(i0 != (const __fp16*) zero) {
39       i0 = (const __fp16*) ((uintptr_t) i0 + input_offset);
40     }
41     const __fp16* i1 = (const __fp16*) input[1];
42     assert(i1 != NULL);
43     if XNN_UNPREDICTABLE(i1 != (const __fp16*) zero) {
44       i1 = (const __fp16*) ((uintptr_t) i1 + input_offset);
45     }
46     const __fp16* i2 = (const __fp16*) input[2];
47     assert(i2 != NULL);
48     if XNN_UNPREDICTABLE(i2 != (const __fp16*) zero) {
49       i2 = (const __fp16*) ((uintptr_t) i2 + input_offset);
50     }
51     const __fp16* i3 = (const __fp16*) input[3];
52     assert(i3 != NULL);
53     if XNN_UNPREDICTABLE(i3 != (const __fp16*) zero) {
54       i3 = (const __fp16*) ((uintptr_t) i3 + input_offset);
55     }
56 
57     input = (const void**) ((uintptr_t) input + input_stride);
58 
59     size_t c = channels;
60     const __fp16* w = (const __fp16*) weights;
61     for (; c >= 32; c -= 32) {
62       float16x8_t vacc01234567p0 = vld1q_f16(w); w += 8;
63       float16x8_t vacc89ABCDEFp0 = vld1q_f16(w); w += 8;
64       float16x8_t vaccGHIJKLMNp0 = vld1q_f16(w); w += 8;
65       float16x8_t vaccOPQRSTUVp0 = vld1q_f16(w); w += 8;
66 
67 
68       const float16x8_t vi0x01234567 = vld1q_f16(i0); i0 += 8;
69       const float16x8_t vi0x89ABCDEF = vld1q_f16(i0); i0 += 8;
70       const float16x8_t vi0xGHIJKLMN = vld1q_f16(i0); i0 += 8;
71       const float16x8_t vi0xOPQRSTUV = vld1q_f16(i0); i0 += 8;
72       const float16x8_t vk0x01234567 = vld1q_f16(w); w += 8;
73       const float16x8_t vk0x89ABCDEF = vld1q_f16(w); w += 8;
74       const float16x8_t vk0xGHIJKLMN = vld1q_f16(w); w += 8;
75       const float16x8_t vk0xOPQRSTUV = vld1q_f16(w); w += 8;
76       vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi0x01234567, vk0x01234567);
77       vacc89ABCDEFp0 = vfmaq_f16(vacc89ABCDEFp0, vi0x89ABCDEF, vk0x89ABCDEF);
78       vaccGHIJKLMNp0 = vfmaq_f16(vaccGHIJKLMNp0, vi0xGHIJKLMN, vk0xGHIJKLMN);
79       vaccOPQRSTUVp0 = vfmaq_f16(vaccOPQRSTUVp0, vi0xOPQRSTUV, vk0xOPQRSTUV);
80 
81       const float16x8_t vi1x01234567 = vld1q_f16(i1); i1 += 8;
82       const float16x8_t vi1x89ABCDEF = vld1q_f16(i1); i1 += 8;
83       const float16x8_t vi1xGHIJKLMN = vld1q_f16(i1); i1 += 8;
84       const float16x8_t vi1xOPQRSTUV = vld1q_f16(i1); i1 += 8;
85       const float16x8_t vk1x01234567 = vld1q_f16(w); w += 8;
86       const float16x8_t vk1x89ABCDEF = vld1q_f16(w); w += 8;
87       const float16x8_t vk1xGHIJKLMN = vld1q_f16(w); w += 8;
88       const float16x8_t vk1xOPQRSTUV = vld1q_f16(w); w += 8;
89       vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi1x01234567, vk1x01234567);
90       vacc89ABCDEFp0 = vfmaq_f16(vacc89ABCDEFp0, vi1x89ABCDEF, vk1x89ABCDEF);
91       vaccGHIJKLMNp0 = vfmaq_f16(vaccGHIJKLMNp0, vi1xGHIJKLMN, vk1xGHIJKLMN);
92       vaccOPQRSTUVp0 = vfmaq_f16(vaccOPQRSTUVp0, vi1xOPQRSTUV, vk1xOPQRSTUV);
93 
94       const float16x8_t vi2x01234567 = vld1q_f16(i2); i2 += 8;
95       const float16x8_t vi2x89ABCDEF = vld1q_f16(i2); i2 += 8;
96       const float16x8_t vi2xGHIJKLMN = vld1q_f16(i2); i2 += 8;
97       const float16x8_t vi2xOPQRSTUV = vld1q_f16(i2); i2 += 8;
98       const float16x8_t vk2x01234567 = vld1q_f16(w); w += 8;
99       const float16x8_t vk2x89ABCDEF = vld1q_f16(w); w += 8;
100       const float16x8_t vk2xGHIJKLMN = vld1q_f16(w); w += 8;
101       const float16x8_t vk2xOPQRSTUV = vld1q_f16(w); w += 8;
102       vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi2x01234567, vk2x01234567);
103       vacc89ABCDEFp0 = vfmaq_f16(vacc89ABCDEFp0, vi2x89ABCDEF, vk2x89ABCDEF);
104       vaccGHIJKLMNp0 = vfmaq_f16(vaccGHIJKLMNp0, vi2xGHIJKLMN, vk2xGHIJKLMN);
105       vaccOPQRSTUVp0 = vfmaq_f16(vaccOPQRSTUVp0, vi2xOPQRSTUV, vk2xOPQRSTUV);
106 
107       const float16x8_t vi3x01234567 = vld1q_f16(i3); i3 += 8;
108       const float16x8_t vi3x89ABCDEF = vld1q_f16(i3); i3 += 8;
109       const float16x8_t vi3xGHIJKLMN = vld1q_f16(i3); i3 += 8;
110       const float16x8_t vi3xOPQRSTUV = vld1q_f16(i3); i3 += 8;
111       const float16x8_t vk3x01234567 = vld1q_f16(w); w += 8;
112       const float16x8_t vk3x89ABCDEF = vld1q_f16(w); w += 8;
113       const float16x8_t vk3xGHIJKLMN = vld1q_f16(w); w += 8;
114       const float16x8_t vk3xOPQRSTUV = vld1q_f16(w); w += 8;
115       vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi3x01234567, vk3x01234567);
116       vacc89ABCDEFp0 = vfmaq_f16(vacc89ABCDEFp0, vi3x89ABCDEF, vk3x89ABCDEF);
117       vaccGHIJKLMNp0 = vfmaq_f16(vaccGHIJKLMNp0, vi3xGHIJKLMN, vk3xGHIJKLMN);
118       vaccOPQRSTUVp0 = vfmaq_f16(vaccOPQRSTUVp0, vi3xOPQRSTUV, vk3xOPQRSTUV);
119 
120 
121       float16x8_t vacc01234567 = vmaxq_f16(vacc01234567p0, vmin);
122       float16x8_t vacc89ABCDEF = vmaxq_f16(vacc89ABCDEFp0, vmin);
123       float16x8_t vaccGHIJKLMN = vmaxq_f16(vaccGHIJKLMNp0, vmin);
124       float16x8_t vaccOPQRSTUV = vmaxq_f16(vaccOPQRSTUVp0, vmin);
125       vacc01234567 = vminq_f16(vacc01234567, vmax);
126       vacc89ABCDEF = vminq_f16(vacc89ABCDEF, vmax);
127       vaccGHIJKLMN = vminq_f16(vaccGHIJKLMN, vmax);
128       vaccOPQRSTUV = vminq_f16(vaccOPQRSTUV, vmax);
129 
130       vst1q_f16(output, vacc01234567); output += 8;
131       vst1q_f16(output, vacc89ABCDEF); output += 8;
132       vst1q_f16(output, vaccGHIJKLMN); output += 8;
133       vst1q_f16(output, vaccOPQRSTUV); output += 8;
134     }
135     for (; c >= 8; c -= 8) {
136       float16x8_t vacc01234567p0 = vld1q_f16(w); w += 8;
137 
138 
139       const float16x8_t vi0x01234567 = vld1q_f16(i0); i0 += 8;
140       const float16x8_t vk0x01234567 = vld1q_f16(w + 24);
141       vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi0x01234567, vk0x01234567);
142 
143       const float16x8_t vi1x01234567 = vld1q_f16(i1); i1 += 8;
144       const float16x8_t vk1x01234567 = vld1q_f16(w + 56);
145       vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi1x01234567, vk1x01234567);
146 
147       const float16x8_t vi2x01234567 = vld1q_f16(i2); i2 += 8;
148       const float16x8_t vk2x01234567 = vld1q_f16(w + 88);
149       vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi2x01234567, vk2x01234567);
150 
151       const float16x8_t vi3x01234567 = vld1q_f16(i3); i3 += 8;
152       const float16x8_t vk3x01234567 = vld1q_f16(w + 120);
153       vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi3x01234567, vk3x01234567);
154 
155 
156       float16x8_t vacc01234567 = vmaxq_f16(vacc01234567p0, vmin);
157       vacc01234567 = vminq_f16(vacc01234567, vmax);
158 
159       vst1q_f16(output, vacc01234567); output += 8;
160     }
161     if XNN_UNLIKELY(c != 0) {
162       float16x8_t vacc01234567p0 = vld1q_f16(w);
163 
164 
165       const float16x8_t vi0x01234567 = vld1q_f16(i0);
166       const float16x8_t vk0x01234567 = vld1q_f16(w + 32);
167       vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi0x01234567, vk0x01234567);
168 
169       const float16x8_t vi1x01234567 = vld1q_f16(i1);
170       const float16x8_t vk1x01234567 = vld1q_f16(w + 64);
171       vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi1x01234567, vk1x01234567);
172 
173       const float16x8_t vi2x01234567 = vld1q_f16(i2);
174       const float16x8_t vk2x01234567 = vld1q_f16(w + 96);
175       vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi2x01234567, vk2x01234567);
176 
177       const float16x8_t vi3x01234567 = vld1q_f16(i3);
178       const float16x8_t vk3x01234567 = vld1q_f16(w + 128);
179       vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi3x01234567, vk3x01234567);
180 
181 
182       float16x8_t vacc01234567 = vmaxq_f16(vacc01234567p0, vmin);
183       vacc01234567 = vminq_f16(vacc01234567, vmax);
184 
185       float16x4_t vacc0123 = vget_low_f16(vacc01234567);
186       if (c & 4) {
187         vst1_f16(output, vacc0123); output += 4;
188         vacc0123 = vget_high_f16(vacc01234567);
189       }
190       if (c & 2) {
191         vst1_lane_u32((void*) output, vreinterpret_u32_f16(vacc0123), 0); output += 2;
192         vacc0123 = vext_f16(vacc0123, vacc0123, 2);
193       }
194       if (c & 1) {
195         vst1_lane_f16(output, vacc0123, 0); output += 1;
196       }
197     }
198 
199     output = (__fp16*) ((uintptr_t) output + output_increment);
200   } while (--output_width != 0);
201 }
202