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1 // Auto-generated file. Do not edit!
2 //   Template: src/qs8-gavgpool/multipass-sse2.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 <emmintrin.h>
13 
14 #include <xnnpack/gavgpool.h>
15 #include <xnnpack/math.h>
16 #include <xnnpack/unaligned.h>
17 
18 
xnn_qu8_gavgpool_minmax_fp32_ukernel_7p7x__sse2_c24(size_t rows,size_t channels,const uint8_t * input,size_t input_stride,const uint8_t * zero,int32_t * buffer,uint8_t * output,const union xnn_qu8_avgpool_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])19 void xnn_qu8_gavgpool_minmax_fp32_ukernel_7p7x__sse2_c24(
20     size_t rows,
21     size_t channels,
22     const uint8_t* input,
23     size_t input_stride,
24     const uint8_t* zero,
25     int32_t* buffer,
26     uint8_t* output,
27     const union xnn_qu8_avgpool_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
28 {
29   assert(rows > 7);
30   assert(channels != 0);
31 
32   const uint8_t* i0 = input;
33   const uint8_t* i1 = (const uint8_t*) ((uintptr_t) i0 + input_stride);
34   const uint8_t* i2 = (const uint8_t*) ((uintptr_t) i1 + input_stride);
35   const uint8_t* i3 = (const uint8_t*) ((uintptr_t) i2 + input_stride);
36   const uint8_t* i4 = (const uint8_t*) ((uintptr_t) i3 + input_stride);
37   const uint8_t* i5 = (const uint8_t*) ((uintptr_t) i4 + input_stride);
38   const uint8_t* i6 = (const uint8_t*) ((uintptr_t) i5 + input_stride);
39   const size_t input_increment = 7 * input_stride - round_up_po2(channels, 8) * sizeof(uint8_t);
40 
41   const __m128i vinit_bias = _mm_load_si128((const __m128i*) params->fp32_sse2.init_bias);
42   const __m128i vzero = _mm_setzero_si128();
43   int32_t* b = buffer;
44   size_t c = channels;
45   for (; c >= 24; c -= 24) {
46 
47     const __m128i vi0x01234567 = _mm_loadl_epi64((const __m128i*) i0);
48     const __m128i vi0x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i0 + 8));
49     const __m128i vi0xGHIJKLMN = _mm_loadl_epi64((const __m128i*) (i0 + 16));
50     i0 += 24;
51 
52     const __m128i vxi0x01234567 = _mm_unpacklo_epi8(vi0x01234567, vzero);
53     const __m128i vi1x01234567 = _mm_loadl_epi64((const __m128i*) i1);
54     const __m128i vxi0x89ABCDEF = _mm_unpacklo_epi8(vi0x89ABCDEF, vzero);
55     const __m128i vi1x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i1 + 8));
56     const __m128i vxi0xGHIJKLMN = _mm_unpacklo_epi8(vi0xGHIJKLMN, vzero);
57     const __m128i vi1xGHIJKLMN = _mm_loadl_epi64((const __m128i*) (i1 + 16));
58     i1 += 24;
59 
60     const __m128i vxi1x01234567 = _mm_unpacklo_epi8(vi1x01234567, vzero);
61     const __m128i vi2x01234567 = _mm_loadl_epi64((const __m128i*) i2);
62     const __m128i vxi1x89ABCDEF = _mm_unpacklo_epi8(vi1x89ABCDEF, vzero);
63     const __m128i vi2x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i2 + 8));
64     const __m128i vxi1xGHIJKLMN = _mm_unpacklo_epi8(vi1xGHIJKLMN, vzero);
65     const __m128i vi2xGHIJKLMN = _mm_loadl_epi64((const __m128i*) (i2 + 16));
66     i2 += 24;
67 
68     __m128i vacc01234567 = _mm_add_epi16(vxi0x01234567, vxi1x01234567);
69     const __m128i vxi2x01234567 = _mm_unpacklo_epi8(vi2x01234567, vzero);
70     const __m128i vi3x01234567 = _mm_loadl_epi64((const __m128i*) i3);
71     __m128i vacc89ABCDEF = _mm_add_epi16(vxi0x89ABCDEF, vxi1x89ABCDEF);
72     const __m128i vxi2x89ABCDEF = _mm_unpacklo_epi8(vi2x89ABCDEF, vzero);
73     const __m128i vi3x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i3 + 8));
74     __m128i vaccGHIJKLMN = _mm_add_epi16(vxi0xGHIJKLMN, vxi1xGHIJKLMN);
75     const __m128i vxi2xGHIJKLMN = _mm_unpacklo_epi8(vi2xGHIJKLMN, vzero);
76     const __m128i vi3xGHIJKLMN = _mm_loadl_epi64((const __m128i*) (i3 + 16));
77     i3 += 24;
78 
79     vacc01234567 = _mm_add_epi16(vacc01234567, vxi2x01234567);
80     const __m128i vxi3x01234567 = _mm_unpacklo_epi8(vi3x01234567, vzero);
81     const __m128i vi4x01234567 = _mm_loadl_epi64((const __m128i*) i4);
82     vacc89ABCDEF = _mm_add_epi16(vacc89ABCDEF, vxi2x89ABCDEF);
83     const __m128i vxi3x89ABCDEF = _mm_unpacklo_epi8(vi3x89ABCDEF, vzero);
84     const __m128i vi4x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i4 + 8));
85     vaccGHIJKLMN = _mm_add_epi16(vaccGHIJKLMN, vxi2xGHIJKLMN);
86     const __m128i vxi3xGHIJKLMN = _mm_unpacklo_epi8(vi3xGHIJKLMN, vzero);
87     const __m128i vi4xGHIJKLMN = _mm_loadl_epi64((const __m128i*) (i4 + 16));
88     i4 += 24;
89 
90     vacc01234567 = _mm_add_epi16(vacc01234567, vxi3x01234567);
91     const __m128i vxi4x01234567 = _mm_unpacklo_epi8(vi4x01234567, vzero);
92     const __m128i vi5x01234567 = _mm_loadl_epi64((const __m128i*) i5);
93     vacc89ABCDEF = _mm_add_epi16(vacc89ABCDEF, vxi3x89ABCDEF);
94     const __m128i vxi4x89ABCDEF = _mm_unpacklo_epi8(vi4x89ABCDEF, vzero);
95     const __m128i vi5x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i5 + 8));
96     vaccGHIJKLMN = _mm_add_epi16(vaccGHIJKLMN, vxi3xGHIJKLMN);
97     const __m128i vxi4xGHIJKLMN = _mm_unpacklo_epi8(vi4xGHIJKLMN, vzero);
98     const __m128i vi5xGHIJKLMN = _mm_loadl_epi64((const __m128i*) (i5 + 16));
99     i5 += 24;
100 
101     vacc01234567 = _mm_add_epi16(vacc01234567, vxi4x01234567);
102     const __m128i vxi5x01234567 = _mm_unpacklo_epi8(vi5x01234567, vzero);
103     const __m128i vi6x01234567 = _mm_loadl_epi64((const __m128i*) i6);
104     vacc89ABCDEF = _mm_add_epi16(vacc89ABCDEF, vxi4x89ABCDEF);
105     const __m128i vxi5x89ABCDEF = _mm_unpacklo_epi8(vi5x89ABCDEF, vzero);
106     const __m128i vi6x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i6 + 8));
107     vaccGHIJKLMN = _mm_add_epi16(vaccGHIJKLMN, vxi4xGHIJKLMN);
108     const __m128i vxi5xGHIJKLMN = _mm_unpacklo_epi8(vi5xGHIJKLMN, vzero);
109     const __m128i vi6xGHIJKLMN = _mm_loadl_epi64((const __m128i*) (i6 + 16));
110     i6 += 24;
111 
112     vacc01234567 = _mm_add_epi16(vacc01234567, vxi5x01234567);
113     const __m128i vxi6x01234567 = _mm_unpacklo_epi8(vi6x01234567, vzero);
114     vacc89ABCDEF = _mm_add_epi16(vacc89ABCDEF, vxi5x89ABCDEF);
115     const __m128i vxi6x89ABCDEF = _mm_unpacklo_epi8(vi6x89ABCDEF, vzero);
116     vaccGHIJKLMN = _mm_add_epi16(vaccGHIJKLMN, vxi5xGHIJKLMN);
117     const __m128i vxi6xGHIJKLMN = _mm_unpacklo_epi8(vi6xGHIJKLMN, vzero);
118 
119     vacc01234567 = _mm_add_epi16(vacc01234567, vxi6x01234567);
120     vacc89ABCDEF = _mm_add_epi16(vacc89ABCDEF, vxi6x89ABCDEF);
121     vaccGHIJKLMN = _mm_add_epi16(vaccGHIJKLMN, vxi6xGHIJKLMN);
122 
123     __m128i vacc0123 = _mm_unpacklo_epi16(vacc01234567, vzero);
124     __m128i vacc4567 = _mm_unpackhi_epi16(vacc01234567, vzero);
125     __m128i vacc89AB = _mm_unpacklo_epi16(vacc89ABCDEF, vzero);
126     __m128i vaccCDEF = _mm_unpackhi_epi16(vacc89ABCDEF, vzero);
127     __m128i vaccGHIJ = _mm_unpacklo_epi16(vaccGHIJKLMN, vzero);
128     __m128i vaccKLMN = _mm_unpackhi_epi16(vaccGHIJKLMN, vzero);
129 
130     vacc0123 = _mm_add_epi32(vacc0123, vinit_bias);
131     vacc4567 = _mm_add_epi32(vacc4567, vinit_bias);
132     vacc89AB = _mm_add_epi32(vacc89AB, vinit_bias);
133     vaccCDEF = _mm_add_epi32(vaccCDEF, vinit_bias);
134     vaccGHIJ = _mm_add_epi32(vaccGHIJ, vinit_bias);
135     vaccKLMN = _mm_add_epi32(vaccKLMN, vinit_bias);
136 
137     _mm_store_si128((__m128i*) b, vacc0123);
138     _mm_store_si128((__m128i*) (b + 4), vacc4567);
139     _mm_store_si128((__m128i*) (b + 8), vacc89AB);
140     _mm_store_si128((__m128i*) (b + 12), vaccCDEF);
141     _mm_store_si128((__m128i*) (b + 16), vaccGHIJ);
142     _mm_store_si128((__m128i*) (b + 20), vaccKLMN);
143     b += 24;
144   }
145   if XNN_UNLIKELY(c != 0) {
146     do {
147 
148       const __m128i vi0x01234567 = _mm_loadl_epi64((const __m128i*) i0);
149       i0 += 8;
150 
151       const __m128i vi1x01234567 = _mm_loadl_epi64((const __m128i*) i1);
152       i1 += 8;
153 
154       const __m128i vxi0x01234567 = _mm_unpacklo_epi8(vi0x01234567, vzero);
155       const __m128i vi2x01234567 = _mm_loadl_epi64((const __m128i*) i2);
156       i2 += 8;
157 
158       const __m128i vxi1x01234567 = _mm_unpacklo_epi8(vi1x01234567, vzero);
159       const __m128i vi3x01234567 = _mm_loadl_epi64((const __m128i*) i3);
160       i3 += 8;
161 
162       __m128i vacc01234567 = _mm_add_epi16(vxi0x01234567, vxi1x01234567);
163       const __m128i vxi2x01234567 = _mm_unpacklo_epi8(vi2x01234567, vzero);
164       const __m128i vi4x01234567 = _mm_loadl_epi64((const __m128i*) i4);
165       i4 += 8;
166 
167       vacc01234567 = _mm_add_epi16(vacc01234567, vxi2x01234567);
168       const __m128i vxi3x01234567 = _mm_unpacklo_epi8(vi3x01234567, vzero);
169       const __m128i vi5x01234567 = _mm_loadl_epi64((const __m128i*) i5);
170       i5 += 8;
171 
172       vacc01234567 = _mm_add_epi16(vacc01234567, vxi3x01234567);
173       const __m128i vxi4x01234567 = _mm_unpacklo_epi8(vi4x01234567, vzero);
174       const __m128i vi6x01234567 = _mm_loadl_epi64((const __m128i*) i6);
175       i6 += 8;
176 
177       vacc01234567 = _mm_add_epi16(vacc01234567, vxi4x01234567);
178       const __m128i vxi5x01234567 = _mm_unpacklo_epi8(vi5x01234567, vzero);
179 
180       vacc01234567 = _mm_add_epi16(vacc01234567, vxi5x01234567);
181       const __m128i vxi6x01234567 = _mm_unpacklo_epi8(vi6x01234567, vzero);
182 
183       vacc01234567 = _mm_add_epi16(vacc01234567, vxi6x01234567);
184 
185       __m128i vacc0123 = _mm_unpacklo_epi16(vacc01234567, vzero);
186       __m128i vacc4567 = _mm_unpackhi_epi16(vacc01234567, vzero);
187 
188       vacc0123 = _mm_add_epi32(vacc0123, vinit_bias);
189       vacc4567 = _mm_add_epi32(vacc4567, vinit_bias);
190 
191       _mm_store_si128((__m128i*) b, vacc0123);
192       _mm_store_si128((__m128i*) (b + 4), vacc4567);
193       b += 8;
194 
195       c = doz(c, 8);
196     } while (c != 0);
197   }
198 
199   for (rows -= 7; rows > 7; rows -= 7) {
200     i0 = (const uint8_t*) ((uintptr_t) i0 + input_increment);
201     i1 = (const uint8_t*) ((uintptr_t) i1 + input_increment);
202     i2 = (const uint8_t*) ((uintptr_t) i2 + input_increment);
203     i3 = (const uint8_t*) ((uintptr_t) i3 + input_increment);
204     i4 = (const uint8_t*) ((uintptr_t) i4 + input_increment);
205     i5 = (const uint8_t*) ((uintptr_t) i5 + input_increment);
206     i6 = (const uint8_t*) ((uintptr_t) i6 + input_increment);
207 
208     int32_t* b = buffer;
209     size_t c = channels;
210     for (; c >= 24; c -= 24) {
211 
212       const __m128i vi0x01234567 = _mm_loadl_epi64((const __m128i*) i0);
213       const __m128i vi0x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i0 + 8));
214       const __m128i vi0xGHIJKLMN = _mm_loadl_epi64((const __m128i*) (i0 + 16));
215       i0 += 24;
216 
217       const __m128i vxi0x01234567 = _mm_unpacklo_epi8(vi0x01234567, vzero);
218       const __m128i vi1x01234567 = _mm_loadl_epi64((const __m128i*) i1);
219       const __m128i vxi0x89ABCDEF = _mm_unpacklo_epi8(vi0x89ABCDEF, vzero);
220       const __m128i vi1x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i1 + 8));
221       const __m128i vxi0xGHIJKLMN = _mm_unpacklo_epi8(vi0xGHIJKLMN, vzero);
222       const __m128i vi1xGHIJKLMN = _mm_loadl_epi64((const __m128i*) (i1 + 16));
223       i1 += 24;
224 
225       const __m128i vxi1x01234567 = _mm_unpacklo_epi8(vi1x01234567, vzero);
226       const __m128i vi2x01234567 = _mm_loadl_epi64((const __m128i*) i2);
227       const __m128i vxi1x89ABCDEF = _mm_unpacklo_epi8(vi1x89ABCDEF, vzero);
228       const __m128i vi2x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i2 + 8));
229       const __m128i vxi1xGHIJKLMN = _mm_unpacklo_epi8(vi1xGHIJKLMN, vzero);
230       const __m128i vi2xGHIJKLMN = _mm_loadl_epi64((const __m128i*) (i2 + 16));
231       i2 += 24;
232 
233       __m128i vacc01234567 = _mm_add_epi16(vxi0x01234567, vxi1x01234567);
234       const __m128i vxi2x01234567 = _mm_unpacklo_epi8(vi2x01234567, vzero);
235       const __m128i vi3x01234567 = _mm_loadl_epi64((const __m128i*) i3);
236       __m128i vacc89ABCDEF = _mm_add_epi16(vxi0x89ABCDEF, vxi1x89ABCDEF);
237       const __m128i vxi2x89ABCDEF = _mm_unpacklo_epi8(vi2x89ABCDEF, vzero);
238       const __m128i vi3x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i3 + 8));
239       __m128i vaccGHIJKLMN = _mm_add_epi16(vxi0xGHIJKLMN, vxi1xGHIJKLMN);
240       const __m128i vxi2xGHIJKLMN = _mm_unpacklo_epi8(vi2xGHIJKLMN, vzero);
241       const __m128i vi3xGHIJKLMN = _mm_loadl_epi64((const __m128i*) (i3 + 16));
242       i3 += 24;
243 
244       vacc01234567 = _mm_add_epi16(vacc01234567, vxi2x01234567);
245       const __m128i vxi3x01234567 = _mm_unpacklo_epi8(vi3x01234567, vzero);
246       const __m128i vi4x01234567 = _mm_loadl_epi64((const __m128i*) i4);
247       vacc89ABCDEF = _mm_add_epi16(vacc89ABCDEF, vxi2x89ABCDEF);
248       const __m128i vxi3x89ABCDEF = _mm_unpacklo_epi8(vi3x89ABCDEF, vzero);
249       const __m128i vi4x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i4 + 8));
250       vaccGHIJKLMN = _mm_add_epi16(vaccGHIJKLMN, vxi2xGHIJKLMN);
251       const __m128i vxi3xGHIJKLMN = _mm_unpacklo_epi8(vi3xGHIJKLMN, vzero);
252       const __m128i vi4xGHIJKLMN = _mm_loadl_epi64((const __m128i*) (i4 + 16));
253       i4 += 24;
254 
255       vacc01234567 = _mm_add_epi16(vacc01234567, vxi3x01234567);
256       const __m128i vxi4x01234567 = _mm_unpacklo_epi8(vi4x01234567, vzero);
257       const __m128i vi5x01234567 = _mm_loadl_epi64((const __m128i*) i5);
258       vacc89ABCDEF = _mm_add_epi16(vacc89ABCDEF, vxi3x89ABCDEF);
259       const __m128i vxi4x89ABCDEF = _mm_unpacklo_epi8(vi4x89ABCDEF, vzero);
260       const __m128i vi5x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i5 + 8));
261       vaccGHIJKLMN = _mm_add_epi16(vaccGHIJKLMN, vxi3xGHIJKLMN);
262       const __m128i vxi4xGHIJKLMN = _mm_unpacklo_epi8(vi4xGHIJKLMN, vzero);
263       const __m128i vi5xGHIJKLMN = _mm_loadl_epi64((const __m128i*) (i5 + 16));
264       i5 += 24;
265 
266       vacc01234567 = _mm_add_epi16(vacc01234567, vxi4x01234567);
267       const __m128i vxi5x01234567 = _mm_unpacklo_epi8(vi5x01234567, vzero);
268       const __m128i vi6x01234567 = _mm_loadl_epi64((const __m128i*) i6);
269       vacc89ABCDEF = _mm_add_epi16(vacc89ABCDEF, vxi4x89ABCDEF);
270       const __m128i vxi5x89ABCDEF = _mm_unpacklo_epi8(vi5x89ABCDEF, vzero);
271       const __m128i vi6x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i6 + 8));
272       vaccGHIJKLMN = _mm_add_epi16(vaccGHIJKLMN, vxi4xGHIJKLMN);
273       const __m128i vxi5xGHIJKLMN = _mm_unpacklo_epi8(vi5xGHIJKLMN, vzero);
274       const __m128i vi6xGHIJKLMN = _mm_loadl_epi64((const __m128i*) (i6 + 16));
275       i6 += 24;
276 
277       vacc01234567 = _mm_add_epi16(vacc01234567, vxi5x01234567);
278       const __m128i vxi6x01234567 = _mm_unpacklo_epi8(vi6x01234567, vzero);
279       vacc89ABCDEF = _mm_add_epi16(vacc89ABCDEF, vxi5x89ABCDEF);
280       const __m128i vxi6x89ABCDEF = _mm_unpacklo_epi8(vi6x89ABCDEF, vzero);
281       vaccGHIJKLMN = _mm_add_epi16(vaccGHIJKLMN, vxi5xGHIJKLMN);
282       const __m128i vxi6xGHIJKLMN = _mm_unpacklo_epi8(vi6xGHIJKLMN, vzero);
283 
284       vacc01234567 = _mm_add_epi16(vacc01234567, vxi6x01234567);
285       vacc89ABCDEF = _mm_add_epi16(vacc89ABCDEF, vxi6x89ABCDEF);
286       vaccGHIJKLMN = _mm_add_epi16(vaccGHIJKLMN, vxi6xGHIJKLMN);
287 
288       __m128i vacc0123 = _mm_unpacklo_epi16(vacc01234567, vzero);
289       __m128i vacc4567 = _mm_unpackhi_epi16(vacc01234567, vzero);
290       __m128i vacc89AB = _mm_unpacklo_epi16(vacc89ABCDEF, vzero);
291       __m128i vaccCDEF = _mm_unpackhi_epi16(vacc89ABCDEF, vzero);
292       __m128i vaccGHIJ = _mm_unpacklo_epi16(vaccGHIJKLMN, vzero);
293       __m128i vaccKLMN = _mm_unpackhi_epi16(vaccGHIJKLMN, vzero);
294 
295       vacc0123 = _mm_add_epi32(vacc0123, _mm_load_si128((const __m128i*) b));
296       vacc4567 = _mm_add_epi32(vacc4567, _mm_load_si128((const __m128i*) (b + 4)));
297       vacc89AB = _mm_add_epi32(vacc89AB, _mm_load_si128((const __m128i*) (b + 8)));
298       vaccCDEF = _mm_add_epi32(vaccCDEF, _mm_load_si128((const __m128i*) (b + 12)));
299       vaccGHIJ = _mm_add_epi32(vaccGHIJ, _mm_load_si128((const __m128i*) (b + 16)));
300       vaccKLMN = _mm_add_epi32(vaccKLMN, _mm_load_si128((const __m128i*) (b + 20)));
301 
302       _mm_store_si128((__m128i*) b, vacc0123);
303       _mm_store_si128((__m128i*) (b + 4), vacc4567);
304       _mm_store_si128((__m128i*) (b + 8), vacc89AB);
305       _mm_store_si128((__m128i*) (b + 12), vaccCDEF);
306       _mm_store_si128((__m128i*) (b + 16), vaccGHIJ);
307       _mm_store_si128((__m128i*) (b + 20), vaccKLMN);
308       b += 24;
309     }
310     if XNN_UNLIKELY(c != 0) {
311       do {
312 
313         const __m128i vi0x01234567 = _mm_loadl_epi64((const __m128i*) i0);
314         i0 += 8;
315 
316         const __m128i vi1x01234567 = _mm_loadl_epi64((const __m128i*) i1);
317         i1 += 8;
318 
319         const __m128i vxi0x01234567 = _mm_unpacklo_epi8(vi0x01234567, vzero);
320         const __m128i vi2x01234567 = _mm_loadl_epi64((const __m128i*) i2);
321         i2 += 8;
322 
323         const __m128i vxi1x01234567 = _mm_unpacklo_epi8(vi1x01234567, vzero);
324         const __m128i vi3x01234567 = _mm_loadl_epi64((const __m128i*) i3);
325         i3 += 8;
326 
327         __m128i vacc01234567 = _mm_add_epi16(vxi0x01234567, vxi1x01234567);
328         const __m128i vxi2x01234567 = _mm_unpacklo_epi8(vi2x01234567, vzero);
329         const __m128i vi4x01234567 = _mm_loadl_epi64((const __m128i*) i4);
330         i4 += 8;
331 
332         vacc01234567 = _mm_add_epi16(vacc01234567, vxi2x01234567);
333         const __m128i vxi3x01234567 = _mm_unpacklo_epi8(vi3x01234567, vzero);
334         const __m128i vi5x01234567 = _mm_loadl_epi64((const __m128i*) i5);
335         i5 += 8;
336 
337         vacc01234567 = _mm_add_epi16(vacc01234567, vxi3x01234567);
338         const __m128i vxi4x01234567 = _mm_unpacklo_epi8(vi4x01234567, vzero);
339         const __m128i vi6x01234567 = _mm_loadl_epi64((const __m128i*) i6);
340         i6 += 8;
341 
342         vacc01234567 = _mm_add_epi16(vacc01234567, vxi4x01234567);
343         const __m128i vxi5x01234567 = _mm_unpacklo_epi8(vi5x01234567, vzero);
344 
345         vacc01234567 = _mm_add_epi16(vacc01234567, vxi5x01234567);
346         const __m128i vxi6x01234567 = _mm_unpacklo_epi8(vi6x01234567, vzero);
347 
348         vacc01234567 = _mm_add_epi16(vacc01234567, vxi6x01234567);
349 
350         __m128i vacc0123 = _mm_unpacklo_epi16(vacc01234567, vzero);
351         __m128i vacc4567 = _mm_unpackhi_epi16(vacc01234567, vzero);
352 
353         vacc0123 = _mm_add_epi32(vacc0123, _mm_load_si128((const __m128i*) b));
354         vacc4567 = _mm_add_epi32(vacc4567, _mm_load_si128((const __m128i*) (b + 4)));
355 
356         _mm_store_si128((__m128i*) b, vacc0123);
357         _mm_store_si128((__m128i*) (b + 4), vacc4567);
358         b += 8;
359 
360         c = doz(c, 8);
361       } while (c != 0);
362     }
363   }
364 
365   i0 = (const uint8_t*) ((uintptr_t) i0 + input_increment);
366   i1 = (const uint8_t*) ((uintptr_t) i1 + input_increment);
367   if XNN_UNPREDICTABLE(rows < 2) {
368     i1 = zero;
369   }
370   i2 = (const uint8_t*) ((uintptr_t) i2 + input_increment);
371   if XNN_UNPREDICTABLE(rows <= 2) {
372     i2 = zero;
373   }
374   i3 = (const uint8_t*) ((uintptr_t) i3 + input_increment);
375   if XNN_UNPREDICTABLE(rows < 4) {
376     i3 = zero;
377   }
378   i4 = (const uint8_t*) ((uintptr_t) i4 + input_increment);
379   if XNN_UNPREDICTABLE(rows <= 4) {
380     i4 = zero;
381   }
382   i5 = (const uint8_t*) ((uintptr_t) i5 + input_increment);
383   if XNN_UNPREDICTABLE(rows < 6) {
384     i5 = zero;
385   }
386   i6 = (const uint8_t*) ((uintptr_t) i6 + input_increment);
387   if XNN_UNPREDICTABLE(rows <= 6) {
388     i6 = zero;
389   }
390 
391   const __m128 vscale = _mm_load_ps(params->fp32_sse2.scale);
392   const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse2.output_max_less_zero_point);
393   const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse2.output_zero_point);
394   const __m128i voutput_min = _mm_load_si128((const __m128i*) params->fp32_sse2.output_min);
395   for (; channels >= 24; channels -= 24) {
396 
397     const __m128i vi0x01234567 = _mm_loadl_epi64((const __m128i*) i0);
398     const __m128i vi0x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i0 + 8));
399     const __m128i vi0xGHIJKLMN = _mm_loadl_epi64((const __m128i*) (i0 + 16));
400     i0 += 24;
401 
402     const __m128i vxi0x01234567 = _mm_unpacklo_epi8(vi0x01234567, vzero);
403     const __m128i vi1x01234567 = _mm_loadl_epi64((const __m128i*) i1);
404     const __m128i vxi0x89ABCDEF = _mm_unpacklo_epi8(vi0x89ABCDEF, vzero);
405     const __m128i vi1x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i1 + 8));
406     const __m128i vxi0xGHIJKLMN = _mm_unpacklo_epi8(vi0xGHIJKLMN, vzero);
407     const __m128i vi1xGHIJKLMN = _mm_loadl_epi64((const __m128i*) (i1 + 16));
408     i1 += 24;
409 
410     const __m128i vxi1x01234567 = _mm_unpacklo_epi8(vi1x01234567, vzero);
411     const __m128i vi2x01234567 = _mm_loadl_epi64((const __m128i*) i2);
412     const __m128i vxi1x89ABCDEF = _mm_unpacklo_epi8(vi1x89ABCDEF, vzero);
413     const __m128i vi2x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i2 + 8));
414     const __m128i vxi1xGHIJKLMN = _mm_unpacklo_epi8(vi1xGHIJKLMN, vzero);
415     const __m128i vi2xGHIJKLMN = _mm_loadl_epi64((const __m128i*) (i2 + 16));
416     i2 += 24;
417 
418     __m128i vacc01234567 = _mm_add_epi16(vxi0x01234567, vxi1x01234567);
419     const __m128i vxi2x01234567 = _mm_unpacklo_epi8(vi2x01234567, vzero);
420     const __m128i vi3x01234567 = _mm_loadl_epi64((const __m128i*) i3);
421     __m128i vacc89ABCDEF = _mm_add_epi16(vxi0x89ABCDEF, vxi1x89ABCDEF);
422     const __m128i vxi2x89ABCDEF = _mm_unpacklo_epi8(vi2x89ABCDEF, vzero);
423     const __m128i vi3x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i3 + 8));
424     __m128i vaccGHIJKLMN = _mm_add_epi16(vxi0xGHIJKLMN, vxi1xGHIJKLMN);
425     const __m128i vxi2xGHIJKLMN = _mm_unpacklo_epi8(vi2xGHIJKLMN, vzero);
426     const __m128i vi3xGHIJKLMN = _mm_loadl_epi64((const __m128i*) (i3 + 16));
427     i3 += 24;
428 
429     vacc01234567 = _mm_add_epi16(vacc01234567, vxi2x01234567);
430     const __m128i vxi3x01234567 = _mm_unpacklo_epi8(vi3x01234567, vzero);
431     const __m128i vi4x01234567 = _mm_loadl_epi64((const __m128i*) i4);
432     vacc89ABCDEF = _mm_add_epi16(vacc89ABCDEF, vxi2x89ABCDEF);
433     const __m128i vxi3x89ABCDEF = _mm_unpacklo_epi8(vi3x89ABCDEF, vzero);
434     const __m128i vi4x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i4 + 8));
435     vaccGHIJKLMN = _mm_add_epi16(vaccGHIJKLMN, vxi2xGHIJKLMN);
436     const __m128i vxi3xGHIJKLMN = _mm_unpacklo_epi8(vi3xGHIJKLMN, vzero);
437     const __m128i vi4xGHIJKLMN = _mm_loadl_epi64((const __m128i*) (i4 + 16));
438     i4 += 24;
439 
440     vacc01234567 = _mm_add_epi16(vacc01234567, vxi3x01234567);
441     const __m128i vxi4x01234567 = _mm_unpacklo_epi8(vi4x01234567, vzero);
442     const __m128i vi5x01234567 = _mm_loadl_epi64((const __m128i*) i5);
443     vacc89ABCDEF = _mm_add_epi16(vacc89ABCDEF, vxi3x89ABCDEF);
444     const __m128i vxi4x89ABCDEF = _mm_unpacklo_epi8(vi4x89ABCDEF, vzero);
445     const __m128i vi5x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i5 + 8));
446     vaccGHIJKLMN = _mm_add_epi16(vaccGHIJKLMN, vxi3xGHIJKLMN);
447     const __m128i vxi4xGHIJKLMN = _mm_unpacklo_epi8(vi4xGHIJKLMN, vzero);
448     const __m128i vi5xGHIJKLMN = _mm_loadl_epi64((const __m128i*) (i5 + 16));
449     i5 += 24;
450 
451     vacc01234567 = _mm_add_epi16(vacc01234567, vxi4x01234567);
452     const __m128i vxi5x01234567 = _mm_unpacklo_epi8(vi5x01234567, vzero);
453     const __m128i vi6x01234567 = _mm_loadl_epi64((const __m128i*) i6);
454     vacc89ABCDEF = _mm_add_epi16(vacc89ABCDEF, vxi4x89ABCDEF);
455     const __m128i vxi5x89ABCDEF = _mm_unpacklo_epi8(vi5x89ABCDEF, vzero);
456     const __m128i vi6x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i6 + 8));
457     vaccGHIJKLMN = _mm_add_epi16(vaccGHIJKLMN, vxi4xGHIJKLMN);
458     const __m128i vxi5xGHIJKLMN = _mm_unpacklo_epi8(vi5xGHIJKLMN, vzero);
459     const __m128i vi6xGHIJKLMN = _mm_loadl_epi64((const __m128i*) (i6 + 16));
460     i6 += 24;
461 
462     vacc01234567 = _mm_add_epi16(vacc01234567, vxi5x01234567);
463     const __m128i vxi6x01234567 = _mm_unpacklo_epi8(vi6x01234567, vzero);
464     vacc89ABCDEF = _mm_add_epi16(vacc89ABCDEF, vxi5x89ABCDEF);
465     const __m128i vxi6x89ABCDEF = _mm_unpacklo_epi8(vi6x89ABCDEF, vzero);
466     vaccGHIJKLMN = _mm_add_epi16(vaccGHIJKLMN, vxi5xGHIJKLMN);
467     const __m128i vxi6xGHIJKLMN = _mm_unpacklo_epi8(vi6xGHIJKLMN, vzero);
468 
469     vacc01234567 = _mm_add_epi16(vacc01234567, vxi6x01234567);
470     vacc89ABCDEF = _mm_add_epi16(vacc89ABCDEF, vxi6x89ABCDEF);
471     vaccGHIJKLMN = _mm_add_epi16(vaccGHIJKLMN, vxi6xGHIJKLMN);
472 
473     __m128i vacc0123 = _mm_unpacklo_epi16(vacc01234567, vzero);
474     __m128i vacc4567 = _mm_unpackhi_epi16(vacc01234567, vzero);
475     __m128i vacc89AB = _mm_unpacklo_epi16(vacc89ABCDEF, vzero);
476     __m128i vaccCDEF = _mm_unpackhi_epi16(vacc89ABCDEF, vzero);
477     __m128i vaccGHIJ = _mm_unpacklo_epi16(vaccGHIJKLMN, vzero);
478     __m128i vaccKLMN = _mm_unpackhi_epi16(vaccGHIJKLMN, vzero);
479 
480     vacc0123 = _mm_add_epi32(vacc0123, _mm_load_si128((const __m128i*) buffer));
481     vacc4567 = _mm_add_epi32(vacc4567, _mm_load_si128((const __m128i*) (buffer + 4)));
482     vacc89AB = _mm_add_epi32(vacc89AB, _mm_load_si128((const __m128i*) (buffer + 8)));
483     vaccCDEF = _mm_add_epi32(vaccCDEF, _mm_load_si128((const __m128i*) (buffer + 12)));
484     vaccGHIJ = _mm_add_epi32(vaccGHIJ, _mm_load_si128((const __m128i*) (buffer + 16)));
485     vaccKLMN = _mm_add_epi32(vaccKLMN, _mm_load_si128((const __m128i*) (buffer + 20)));
486     buffer += 24;
487 
488     __m128 vfpacc0123 = _mm_cvtepi32_ps(vacc0123);
489     __m128 vfpacc4567 = _mm_cvtepi32_ps(vacc4567);
490     __m128 vfpacc89AB = _mm_cvtepi32_ps(vacc89AB);
491     __m128 vfpaccCDEF = _mm_cvtepi32_ps(vaccCDEF);
492     __m128 vfpaccGHIJ = _mm_cvtepi32_ps(vaccGHIJ);
493     __m128 vfpaccKLMN = _mm_cvtepi32_ps(vaccKLMN);
494 
495     vfpacc0123 = _mm_mul_ps(vfpacc0123, vscale);
496     vfpacc4567 = _mm_mul_ps(vfpacc4567, vscale);
497     vfpacc89AB = _mm_mul_ps(vfpacc89AB, vscale);
498     vfpaccCDEF = _mm_mul_ps(vfpaccCDEF, vscale);
499     vfpaccGHIJ = _mm_mul_ps(vfpaccGHIJ, vscale);
500     vfpaccKLMN = _mm_mul_ps(vfpaccKLMN, vscale);
501 
502     vfpacc0123 = _mm_min_ps(vfpacc0123, voutput_max_less_zero_point);
503     vfpacc4567 = _mm_min_ps(vfpacc4567, voutput_max_less_zero_point);
504     vfpacc89AB = _mm_min_ps(vfpacc89AB, voutput_max_less_zero_point);
505     vfpaccCDEF = _mm_min_ps(vfpaccCDEF, voutput_max_less_zero_point);
506     vfpaccGHIJ = _mm_min_ps(vfpaccGHIJ, voutput_max_less_zero_point);
507     vfpaccKLMN = _mm_min_ps(vfpaccKLMN, voutput_max_less_zero_point);
508 
509     vacc0123 = _mm_cvtps_epi32(vfpacc0123);
510     vacc4567 = _mm_cvtps_epi32(vfpacc4567);
511     vacc89AB = _mm_cvtps_epi32(vfpacc89AB);
512     vaccCDEF = _mm_cvtps_epi32(vfpaccCDEF);
513     vaccGHIJ = _mm_cvtps_epi32(vfpaccGHIJ);
514     vaccKLMN = _mm_cvtps_epi32(vfpaccKLMN);
515 
516     __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);
517     __m128i vout89ABCDEF = _mm_adds_epi16(_mm_packs_epi32(vacc89AB, vaccCDEF), voutput_zero_point);
518     __m128i voutGHIJKLMN = _mm_adds_epi16(_mm_packs_epi32(vaccGHIJ, vaccKLMN), voutput_zero_point);
519 
520 
521     __m128i vout0123456789ABCDEF = _mm_packus_epi16(vout01234567, vout89ABCDEF);
522     __m128i voutGHIJKLMNGHIJKLMN = _mm_packus_epi16(voutGHIJKLMN, voutGHIJKLMN);
523 
524     vout0123456789ABCDEF = _mm_max_epu8(vout0123456789ABCDEF, voutput_min);
525     voutGHIJKLMNGHIJKLMN = _mm_max_epu8(voutGHIJKLMNGHIJKLMN, voutput_min);
526 
527     _mm_storeu_si128((__m128i*) output, vout0123456789ABCDEF);
528     _mm_storel_epi64((__m128i*) (output + 16), voutGHIJKLMNGHIJKLMN);
529     output += 24;
530   }
531   if XNN_UNLIKELY(channels != 0) {
532     do {
533 
534       const __m128i vi0x01234567 = _mm_loadl_epi64((const __m128i*) i0);
535       i0 += 8;
536 
537       const __m128i vi1x01234567 = _mm_loadl_epi64((const __m128i*) i1);
538       i1 += 8;
539 
540       const __m128i vxi0x01234567 = _mm_unpacklo_epi8(vi0x01234567, vzero);
541       const __m128i vi2x01234567 = _mm_loadl_epi64((const __m128i*) i2);
542       i2 += 8;
543 
544       const __m128i vxi1x01234567 = _mm_unpacklo_epi8(vi1x01234567, vzero);
545       const __m128i vi3x01234567 = _mm_loadl_epi64((const __m128i*) i3);
546       i3 += 8;
547 
548       __m128i vacc01234567 = _mm_add_epi16(vxi0x01234567, vxi1x01234567);
549       const __m128i vxi2x01234567 = _mm_unpacklo_epi8(vi2x01234567, vzero);
550       const __m128i vi4x01234567 = _mm_loadl_epi64((const __m128i*) i4);
551       i4 += 8;
552 
553       vacc01234567 = _mm_add_epi16(vacc01234567, vxi2x01234567);
554       const __m128i vxi3x01234567 = _mm_unpacklo_epi8(vi3x01234567, vzero);
555       const __m128i vi5x01234567 = _mm_loadl_epi64((const __m128i*) i5);
556       i5 += 8;
557 
558       vacc01234567 = _mm_add_epi16(vacc01234567, vxi3x01234567);
559       const __m128i vxi4x01234567 = _mm_unpacklo_epi8(vi4x01234567, vzero);
560       const __m128i vi6x01234567 = _mm_loadl_epi64((const __m128i*) i6);
561       i6 += 8;
562 
563       vacc01234567 = _mm_add_epi16(vacc01234567, vxi4x01234567);
564       const __m128i vxi5x01234567 = _mm_unpacklo_epi8(vi5x01234567, vzero);
565 
566       vacc01234567 = _mm_add_epi16(vacc01234567, vxi5x01234567);
567       const __m128i vxi6x01234567 = _mm_unpacklo_epi8(vi6x01234567, vzero);
568 
569       vacc01234567 = _mm_add_epi16(vacc01234567, vxi6x01234567);
570 
571       __m128i vacc0123 = _mm_unpacklo_epi16(vacc01234567, vzero);
572       __m128i vacc4567 = _mm_unpackhi_epi16(vacc01234567, vzero);
573 
574       vacc0123 = _mm_add_epi32(vacc0123, _mm_load_si128((const __m128i*) buffer));
575       vacc4567 = _mm_add_epi32(vacc4567, _mm_load_si128((const __m128i*) (buffer + 4)));
576       buffer += 8;
577 
578       __m128 vfpacc0123 = _mm_cvtepi32_ps(vacc0123);
579       __m128 vfpacc4567 = _mm_cvtepi32_ps(vacc4567);
580 
581       vfpacc0123 = _mm_mul_ps(vfpacc0123, vscale);
582       vfpacc4567 = _mm_mul_ps(vfpacc4567, vscale);
583 
584       vfpacc0123 = _mm_min_ps(vfpacc0123, voutput_max_less_zero_point);
585       vfpacc4567 = _mm_min_ps(vfpacc4567, voutput_max_less_zero_point);
586 
587       vacc0123 = _mm_cvtps_epi32(vfpacc0123);
588       vacc4567 = _mm_cvtps_epi32(vfpacc4567);
589 
590       __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);
591 
592       __m128i vout0123456701234567 = _mm_packus_epi16(vout01234567, vout01234567);
593       vout0123456701234567 = _mm_max_epu8(vout0123456701234567, voutput_min);
594 
595       if XNN_LIKELY(channels >= 8) {
596         _mm_storel_epi64((__m128i*) output, vout0123456701234567);
597         output += 8;
598         channels -= 8;
599       } else {
600         if (channels & 4) {
601           unaligned_store_u32(output, (uint32_t) _mm_cvtsi128_si32(vout0123456701234567));
602           vout0123456701234567 = _mm_srli_epi64(vout0123456701234567, 32);
603           output += 4;
604         }
605         uint32_t vout0123 = (uint32_t) _mm_cvtsi128_si32(vout0123456701234567);
606         if (channels & 2) {
607           unaligned_store_u16(output, (uint16_t) vout0123);
608           vout0123 >>= 16;
609           output += 2;
610         }
611         if (channels & 1) {
612           *output = (uint8_t) vout0123;
613           output += 1;
614         }
615         channels = 0;
616       }
617     } while (channels != 0);
618   }
619 }
620