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1 // Auto-generated file. Do not edit!
2 //   Template: src/qs8-dwconv/unipass-sse-mul16.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 <smmintrin.h>
13 
14 #include <xnnpack/dwconv.h>
15 
16 
xnn_qs8_dwconv_minmax_fp32_ukernel_up24x9__sse41_mul16(size_t channels,size_t output_width,const int8_t ** input,const void * weights,int8_t * output,size_t input_stride,size_t output_increment,size_t input_offset,const int8_t * zero,const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])17 void xnn_qs8_dwconv_minmax_fp32_ukernel_up24x9__sse41_mul16(
18     size_t channels,
19     size_t output_width,
20     const int8_t** input,
21     const void* weights,
22     int8_t* output,
23     size_t input_stride,
24     size_t output_increment,
25     size_t input_offset,
26     const int8_t* zero,
27     const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
28 {
29   assert(channels != 0);
30   assert(output_width != 0);
31 
32   do {
33     const int8_t* i0 = input[0];
34     assert(i0 != NULL);
35     if XNN_UNPREDICTABLE(i0 != zero) {
36       i0 = (const int8_t*) ((uintptr_t) i0 + input_offset);
37     }
38     const int8_t* i1 = input[1];
39     assert(i1 != NULL);
40     if XNN_UNPREDICTABLE(i1 != zero) {
41       i1 = (const int8_t*) ((uintptr_t) i1 + input_offset);
42     }
43     const int8_t* i2 = input[2];
44     assert(i2 != NULL);
45     if XNN_UNPREDICTABLE(i2 != zero) {
46       i2 = (const int8_t*) ((uintptr_t) i2 + input_offset);
47     }
48     const int8_t* i3 = input[3];
49     assert(i3 != NULL);
50     if XNN_UNPREDICTABLE(i3 != zero) {
51       i3 = (const int8_t*) ((uintptr_t) i3 + input_offset);
52     }
53     const int8_t* i4 = input[4];
54     assert(i4 != NULL);
55     if XNN_UNPREDICTABLE(i4 != zero) {
56       i4 = (const int8_t*) ((uintptr_t) i4 + input_offset);
57     }
58     const int8_t* i5 = input[5];
59     assert(i5 != NULL);
60     if XNN_UNPREDICTABLE(i5 != zero) {
61       i5 = (const int8_t*) ((uintptr_t) i5 + input_offset);
62     }
63     const int8_t* i6 = input[6];
64     assert(i6 != NULL);
65     if XNN_UNPREDICTABLE(i6 != zero) {
66       i6 = (const int8_t*) ((uintptr_t) i6 + input_offset);
67     }
68     const int8_t* i7 = input[7];
69     assert(i7 != NULL);
70     if XNN_UNPREDICTABLE(i7 != zero) {
71       i7 = (const int8_t*) ((uintptr_t) i7 + input_offset);
72     }
73     const int8_t* i8 = input[8];
74     assert(i8 != NULL);
75     if XNN_UNPREDICTABLE(i8 != zero) {
76       i8 = (const int8_t*) ((uintptr_t) i8 + input_offset);
77     }
78     input = (const int8_t**) ((uintptr_t) input + input_stride);
79 
80     size_t c = channels;
81     const void* w = weights;
82     for (; c >= 24; c -= 24) {
83       __m128i vacc0123 = _mm_loadu_si128((const __m128i*) w);
84       __m128i vacc4567 = _mm_loadu_si128((const __m128i*) ((const int32_t*) w + 4));
85       __m128i vacc89AB = _mm_loadu_si128((const __m128i*) ((const int32_t*) w + 8));
86       __m128i vaccCDEF = _mm_loadu_si128((const __m128i*) ((const int32_t*) w + 12));
87       __m128i vaccGHIJ = _mm_loadu_si128((const __m128i*) ((const int32_t*) w + 16));
88       __m128i vaccKLMN = _mm_loadu_si128((const __m128i*) ((const int32_t*) w + 20));
89 
90 
91       const __m128i vi0x01234567 = _mm_loadl_epi64((const __m128i*) i0);
92       const __m128i vxi0x01234567 = _mm_cvtepi8_epi16(vi0x01234567);
93       const __m128i vk0x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 24 * sizeof(int32_t) + 0 * sizeof(int8_t)));
94       const __m128i vxk0x01234567 = _mm_cvtepi8_epi16(vk0x01234567);
95       const __m128i vi0x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i0 + 8));
96       const __m128i vxi0x89ABCDEF = _mm_cvtepi8_epi16(vi0x89ABCDEF);
97       const __m128i vk0x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 24 * sizeof(int32_t) + 8 * sizeof(int8_t)));
98       const __m128i vxk0x89ABCDEF = _mm_cvtepi8_epi16(vk0x89ABCDEF);
99       const __m128i vi0xGHIJKLMN = _mm_loadl_epi64((const __m128i*) (i0 + 16));
100       const __m128i vxi0xGHIJKLMN = _mm_cvtepi8_epi16(vi0xGHIJKLMN);
101       const __m128i vk0xGHIJKLMN = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 24 * sizeof(int32_t) + 16 * sizeof(int8_t)));
102       const __m128i vxk0xGHIJKLMN = _mm_cvtepi8_epi16(vk0xGHIJKLMN);
103       i0 += 24;
104 
105 
106       __m128i vprod01234567 = _mm_mullo_epi16(vxi0x01234567, vxk0x01234567);
107       __m128i vprod89ABCDEF = _mm_mullo_epi16(vxi0x89ABCDEF, vxk0x89ABCDEF);
108       __m128i vprodGHIJKLMN = _mm_mullo_epi16(vxi0xGHIJKLMN, vxk0xGHIJKLMN);
109 
110       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
111       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
112       vacc89AB = _mm_add_epi32(vacc89AB, _mm_cvtepi16_epi32(vprod89ABCDEF));
113       vaccCDEF = _mm_add_epi32(vaccCDEF, _mm_srai_epi32(_mm_unpackhi_epi16(vprod89ABCDEF, vprod89ABCDEF), 16));
114       vaccGHIJ = _mm_add_epi32(vaccGHIJ, _mm_cvtepi16_epi32(vprodGHIJKLMN));
115       vaccKLMN = _mm_add_epi32(vaccKLMN, _mm_srai_epi32(_mm_unpackhi_epi16(vprodGHIJKLMN, vprodGHIJKLMN), 16));
116 
117       const __m128i vi1x01234567 = _mm_loadl_epi64((const __m128i*) i1);
118       const __m128i vxi1x01234567 = _mm_cvtepi8_epi16(vi1x01234567);
119       const __m128i vk1x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 24 * sizeof(int32_t) + 24 * sizeof(int8_t)));
120       const __m128i vxk1x01234567 = _mm_cvtepi8_epi16(vk1x01234567);
121       const __m128i vi1x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i1 + 8));
122       const __m128i vxi1x89ABCDEF = _mm_cvtepi8_epi16(vi1x89ABCDEF);
123       const __m128i vk1x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 24 * sizeof(int32_t) + 32 * sizeof(int8_t)));
124       const __m128i vxk1x89ABCDEF = _mm_cvtepi8_epi16(vk1x89ABCDEF);
125       const __m128i vi1xGHIJKLMN = _mm_loadl_epi64((const __m128i*) (i1 + 16));
126       const __m128i vxi1xGHIJKLMN = _mm_cvtepi8_epi16(vi1xGHIJKLMN);
127       const __m128i vk1xGHIJKLMN = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 24 * sizeof(int32_t) + 40 * sizeof(int8_t)));
128       const __m128i vxk1xGHIJKLMN = _mm_cvtepi8_epi16(vk1xGHIJKLMN);
129       i1 += 24;
130 
131 
132       vprod01234567 = _mm_mullo_epi16(vxi1x01234567, vxk1x01234567);
133       vprod89ABCDEF = _mm_mullo_epi16(vxi1x89ABCDEF, vxk1x89ABCDEF);
134       vprodGHIJKLMN = _mm_mullo_epi16(vxi1xGHIJKLMN, vxk1xGHIJKLMN);
135 
136       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
137       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
138       vacc89AB = _mm_add_epi32(vacc89AB, _mm_cvtepi16_epi32(vprod89ABCDEF));
139       vaccCDEF = _mm_add_epi32(vaccCDEF, _mm_srai_epi32(_mm_unpackhi_epi16(vprod89ABCDEF, vprod89ABCDEF), 16));
140       vaccGHIJ = _mm_add_epi32(vaccGHIJ, _mm_cvtepi16_epi32(vprodGHIJKLMN));
141       vaccKLMN = _mm_add_epi32(vaccKLMN, _mm_srai_epi32(_mm_unpackhi_epi16(vprodGHIJKLMN, vprodGHIJKLMN), 16));
142 
143       const __m128i vi2x01234567 = _mm_loadl_epi64((const __m128i*) i2);
144       const __m128i vxi2x01234567 = _mm_cvtepi8_epi16(vi2x01234567);
145       const __m128i vk2x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 24 * sizeof(int32_t) + 48 * sizeof(int8_t)));
146       const __m128i vxk2x01234567 = _mm_cvtepi8_epi16(vk2x01234567);
147       const __m128i vi2x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i2 + 8));
148       const __m128i vxi2x89ABCDEF = _mm_cvtepi8_epi16(vi2x89ABCDEF);
149       const __m128i vk2x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 24 * sizeof(int32_t) + 56 * sizeof(int8_t)));
150       const __m128i vxk2x89ABCDEF = _mm_cvtepi8_epi16(vk2x89ABCDEF);
151       const __m128i vi2xGHIJKLMN = _mm_loadl_epi64((const __m128i*) (i2 + 16));
152       const __m128i vxi2xGHIJKLMN = _mm_cvtepi8_epi16(vi2xGHIJKLMN);
153       const __m128i vk2xGHIJKLMN = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 24 * sizeof(int32_t) + 64 * sizeof(int8_t)));
154       const __m128i vxk2xGHIJKLMN = _mm_cvtepi8_epi16(vk2xGHIJKLMN);
155       i2 += 24;
156 
157 
158       vprod01234567 = _mm_mullo_epi16(vxi2x01234567, vxk2x01234567);
159       vprod89ABCDEF = _mm_mullo_epi16(vxi2x89ABCDEF, vxk2x89ABCDEF);
160       vprodGHIJKLMN = _mm_mullo_epi16(vxi2xGHIJKLMN, vxk2xGHIJKLMN);
161 
162       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
163       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
164       vacc89AB = _mm_add_epi32(vacc89AB, _mm_cvtepi16_epi32(vprod89ABCDEF));
165       vaccCDEF = _mm_add_epi32(vaccCDEF, _mm_srai_epi32(_mm_unpackhi_epi16(vprod89ABCDEF, vprod89ABCDEF), 16));
166       vaccGHIJ = _mm_add_epi32(vaccGHIJ, _mm_cvtepi16_epi32(vprodGHIJKLMN));
167       vaccKLMN = _mm_add_epi32(vaccKLMN, _mm_srai_epi32(_mm_unpackhi_epi16(vprodGHIJKLMN, vprodGHIJKLMN), 16));
168 
169       const __m128i vi3x01234567 = _mm_loadl_epi64((const __m128i*) i3);
170       const __m128i vxi3x01234567 = _mm_cvtepi8_epi16(vi3x01234567);
171       const __m128i vk3x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 24 * sizeof(int32_t) + 72 * sizeof(int8_t)));
172       const __m128i vxk3x01234567 = _mm_cvtepi8_epi16(vk3x01234567);
173       const __m128i vi3x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i3 + 8));
174       const __m128i vxi3x89ABCDEF = _mm_cvtepi8_epi16(vi3x89ABCDEF);
175       const __m128i vk3x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 24 * sizeof(int32_t) + 80 * sizeof(int8_t)));
176       const __m128i vxk3x89ABCDEF = _mm_cvtepi8_epi16(vk3x89ABCDEF);
177       const __m128i vi3xGHIJKLMN = _mm_loadl_epi64((const __m128i*) (i3 + 16));
178       const __m128i vxi3xGHIJKLMN = _mm_cvtepi8_epi16(vi3xGHIJKLMN);
179       const __m128i vk3xGHIJKLMN = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 24 * sizeof(int32_t) + 88 * sizeof(int8_t)));
180       const __m128i vxk3xGHIJKLMN = _mm_cvtepi8_epi16(vk3xGHIJKLMN);
181       i3 += 24;
182 
183 
184       vprod01234567 = _mm_mullo_epi16(vxi3x01234567, vxk3x01234567);
185       vprod89ABCDEF = _mm_mullo_epi16(vxi3x89ABCDEF, vxk3x89ABCDEF);
186       vprodGHIJKLMN = _mm_mullo_epi16(vxi3xGHIJKLMN, vxk3xGHIJKLMN);
187 
188       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
189       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
190       vacc89AB = _mm_add_epi32(vacc89AB, _mm_cvtepi16_epi32(vprod89ABCDEF));
191       vaccCDEF = _mm_add_epi32(vaccCDEF, _mm_srai_epi32(_mm_unpackhi_epi16(vprod89ABCDEF, vprod89ABCDEF), 16));
192       vaccGHIJ = _mm_add_epi32(vaccGHIJ, _mm_cvtepi16_epi32(vprodGHIJKLMN));
193       vaccKLMN = _mm_add_epi32(vaccKLMN, _mm_srai_epi32(_mm_unpackhi_epi16(vprodGHIJKLMN, vprodGHIJKLMN), 16));
194 
195       const __m128i vi4x01234567 = _mm_loadl_epi64((const __m128i*) i4);
196       const __m128i vxi4x01234567 = _mm_cvtepi8_epi16(vi4x01234567);
197       const __m128i vk4x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 24 * sizeof(int32_t) + 96 * sizeof(int8_t)));
198       const __m128i vxk4x01234567 = _mm_cvtepi8_epi16(vk4x01234567);
199       const __m128i vi4x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i4 + 8));
200       const __m128i vxi4x89ABCDEF = _mm_cvtepi8_epi16(vi4x89ABCDEF);
201       const __m128i vk4x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 24 * sizeof(int32_t) + 104 * sizeof(int8_t)));
202       const __m128i vxk4x89ABCDEF = _mm_cvtepi8_epi16(vk4x89ABCDEF);
203       const __m128i vi4xGHIJKLMN = _mm_loadl_epi64((const __m128i*) (i4 + 16));
204       const __m128i vxi4xGHIJKLMN = _mm_cvtepi8_epi16(vi4xGHIJKLMN);
205       const __m128i vk4xGHIJKLMN = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 24 * sizeof(int32_t) + 112 * sizeof(int8_t)));
206       const __m128i vxk4xGHIJKLMN = _mm_cvtepi8_epi16(vk4xGHIJKLMN);
207       i4 += 24;
208 
209 
210       vprod01234567 = _mm_mullo_epi16(vxi4x01234567, vxk4x01234567);
211       vprod89ABCDEF = _mm_mullo_epi16(vxi4x89ABCDEF, vxk4x89ABCDEF);
212       vprodGHIJKLMN = _mm_mullo_epi16(vxi4xGHIJKLMN, vxk4xGHIJKLMN);
213 
214       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
215       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
216       vacc89AB = _mm_add_epi32(vacc89AB, _mm_cvtepi16_epi32(vprod89ABCDEF));
217       vaccCDEF = _mm_add_epi32(vaccCDEF, _mm_srai_epi32(_mm_unpackhi_epi16(vprod89ABCDEF, vprod89ABCDEF), 16));
218       vaccGHIJ = _mm_add_epi32(vaccGHIJ, _mm_cvtepi16_epi32(vprodGHIJKLMN));
219       vaccKLMN = _mm_add_epi32(vaccKLMN, _mm_srai_epi32(_mm_unpackhi_epi16(vprodGHIJKLMN, vprodGHIJKLMN), 16));
220 
221       const __m128i vi5x01234567 = _mm_loadl_epi64((const __m128i*) i5);
222       const __m128i vxi5x01234567 = _mm_cvtepi8_epi16(vi5x01234567);
223       const __m128i vk5x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 24 * sizeof(int32_t) + 120 * sizeof(int8_t)));
224       const __m128i vxk5x01234567 = _mm_cvtepi8_epi16(vk5x01234567);
225       const __m128i vi5x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i5 + 8));
226       const __m128i vxi5x89ABCDEF = _mm_cvtepi8_epi16(vi5x89ABCDEF);
227       const __m128i vk5x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 24 * sizeof(int32_t) + 128 * sizeof(int8_t)));
228       const __m128i vxk5x89ABCDEF = _mm_cvtepi8_epi16(vk5x89ABCDEF);
229       const __m128i vi5xGHIJKLMN = _mm_loadl_epi64((const __m128i*) (i5 + 16));
230       const __m128i vxi5xGHIJKLMN = _mm_cvtepi8_epi16(vi5xGHIJKLMN);
231       const __m128i vk5xGHIJKLMN = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 24 * sizeof(int32_t) + 136 * sizeof(int8_t)));
232       const __m128i vxk5xGHIJKLMN = _mm_cvtepi8_epi16(vk5xGHIJKLMN);
233       i5 += 24;
234 
235 
236       vprod01234567 = _mm_mullo_epi16(vxi5x01234567, vxk5x01234567);
237       vprod89ABCDEF = _mm_mullo_epi16(vxi5x89ABCDEF, vxk5x89ABCDEF);
238       vprodGHIJKLMN = _mm_mullo_epi16(vxi5xGHIJKLMN, vxk5xGHIJKLMN);
239 
240       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
241       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
242       vacc89AB = _mm_add_epi32(vacc89AB, _mm_cvtepi16_epi32(vprod89ABCDEF));
243       vaccCDEF = _mm_add_epi32(vaccCDEF, _mm_srai_epi32(_mm_unpackhi_epi16(vprod89ABCDEF, vprod89ABCDEF), 16));
244       vaccGHIJ = _mm_add_epi32(vaccGHIJ, _mm_cvtepi16_epi32(vprodGHIJKLMN));
245       vaccKLMN = _mm_add_epi32(vaccKLMN, _mm_srai_epi32(_mm_unpackhi_epi16(vprodGHIJKLMN, vprodGHIJKLMN), 16));
246 
247       const __m128i vi6x01234567 = _mm_loadl_epi64((const __m128i*) i6);
248       const __m128i vxi6x01234567 = _mm_cvtepi8_epi16(vi6x01234567);
249       const __m128i vk6x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 24 * sizeof(int32_t) + 144 * sizeof(int8_t)));
250       const __m128i vxk6x01234567 = _mm_cvtepi8_epi16(vk6x01234567);
251       const __m128i vi6x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i6 + 8));
252       const __m128i vxi6x89ABCDEF = _mm_cvtepi8_epi16(vi6x89ABCDEF);
253       const __m128i vk6x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 24 * sizeof(int32_t) + 152 * sizeof(int8_t)));
254       const __m128i vxk6x89ABCDEF = _mm_cvtepi8_epi16(vk6x89ABCDEF);
255       const __m128i vi6xGHIJKLMN = _mm_loadl_epi64((const __m128i*) (i6 + 16));
256       const __m128i vxi6xGHIJKLMN = _mm_cvtepi8_epi16(vi6xGHIJKLMN);
257       const __m128i vk6xGHIJKLMN = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 24 * sizeof(int32_t) + 160 * sizeof(int8_t)));
258       const __m128i vxk6xGHIJKLMN = _mm_cvtepi8_epi16(vk6xGHIJKLMN);
259       i6 += 24;
260 
261 
262       vprod01234567 = _mm_mullo_epi16(vxi6x01234567, vxk6x01234567);
263       vprod89ABCDEF = _mm_mullo_epi16(vxi6x89ABCDEF, vxk6x89ABCDEF);
264       vprodGHIJKLMN = _mm_mullo_epi16(vxi6xGHIJKLMN, vxk6xGHIJKLMN);
265 
266       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
267       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
268       vacc89AB = _mm_add_epi32(vacc89AB, _mm_cvtepi16_epi32(vprod89ABCDEF));
269       vaccCDEF = _mm_add_epi32(vaccCDEF, _mm_srai_epi32(_mm_unpackhi_epi16(vprod89ABCDEF, vprod89ABCDEF), 16));
270       vaccGHIJ = _mm_add_epi32(vaccGHIJ, _mm_cvtepi16_epi32(vprodGHIJKLMN));
271       vaccKLMN = _mm_add_epi32(vaccKLMN, _mm_srai_epi32(_mm_unpackhi_epi16(vprodGHIJKLMN, vprodGHIJKLMN), 16));
272 
273       const __m128i vi7x01234567 = _mm_loadl_epi64((const __m128i*) i7);
274       const __m128i vxi7x01234567 = _mm_cvtepi8_epi16(vi7x01234567);
275       const __m128i vk7x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 24 * sizeof(int32_t) + 168 * sizeof(int8_t)));
276       const __m128i vxk7x01234567 = _mm_cvtepi8_epi16(vk7x01234567);
277       const __m128i vi7x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i7 + 8));
278       const __m128i vxi7x89ABCDEF = _mm_cvtepi8_epi16(vi7x89ABCDEF);
279       const __m128i vk7x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 24 * sizeof(int32_t) + 176 * sizeof(int8_t)));
280       const __m128i vxk7x89ABCDEF = _mm_cvtepi8_epi16(vk7x89ABCDEF);
281       const __m128i vi7xGHIJKLMN = _mm_loadl_epi64((const __m128i*) (i7 + 16));
282       const __m128i vxi7xGHIJKLMN = _mm_cvtepi8_epi16(vi7xGHIJKLMN);
283       const __m128i vk7xGHIJKLMN = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 24 * sizeof(int32_t) + 184 * sizeof(int8_t)));
284       const __m128i vxk7xGHIJKLMN = _mm_cvtepi8_epi16(vk7xGHIJKLMN);
285       i7 += 24;
286 
287 
288       vprod01234567 = _mm_mullo_epi16(vxi7x01234567, vxk7x01234567);
289       vprod89ABCDEF = _mm_mullo_epi16(vxi7x89ABCDEF, vxk7x89ABCDEF);
290       vprodGHIJKLMN = _mm_mullo_epi16(vxi7xGHIJKLMN, vxk7xGHIJKLMN);
291 
292       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
293       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
294       vacc89AB = _mm_add_epi32(vacc89AB, _mm_cvtepi16_epi32(vprod89ABCDEF));
295       vaccCDEF = _mm_add_epi32(vaccCDEF, _mm_srai_epi32(_mm_unpackhi_epi16(vprod89ABCDEF, vprod89ABCDEF), 16));
296       vaccGHIJ = _mm_add_epi32(vaccGHIJ, _mm_cvtepi16_epi32(vprodGHIJKLMN));
297       vaccKLMN = _mm_add_epi32(vaccKLMN, _mm_srai_epi32(_mm_unpackhi_epi16(vprodGHIJKLMN, vprodGHIJKLMN), 16));
298 
299       const __m128i vi8x01234567 = _mm_loadl_epi64((const __m128i*) i8);
300       const __m128i vxi8x01234567 = _mm_cvtepi8_epi16(vi8x01234567);
301       const __m128i vk8x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 24 * sizeof(int32_t) + 192 * sizeof(int8_t)));
302       const __m128i vxk8x01234567 = _mm_cvtepi8_epi16(vk8x01234567);
303       const __m128i vi8x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i8 + 8));
304       const __m128i vxi8x89ABCDEF = _mm_cvtepi8_epi16(vi8x89ABCDEF);
305       const __m128i vk8x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 24 * sizeof(int32_t) + 200 * sizeof(int8_t)));
306       const __m128i vxk8x89ABCDEF = _mm_cvtepi8_epi16(vk8x89ABCDEF);
307       const __m128i vi8xGHIJKLMN = _mm_loadl_epi64((const __m128i*) (i8 + 16));
308       const __m128i vxi8xGHIJKLMN = _mm_cvtepi8_epi16(vi8xGHIJKLMN);
309       const __m128i vk8xGHIJKLMN = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 24 * sizeof(int32_t) + 208 * sizeof(int8_t)));
310       const __m128i vxk8xGHIJKLMN = _mm_cvtepi8_epi16(vk8xGHIJKLMN);
311       i8 += 24;
312 
313 
314       vprod01234567 = _mm_mullo_epi16(vxi8x01234567, vxk8x01234567);
315       vprod89ABCDEF = _mm_mullo_epi16(vxi8x89ABCDEF, vxk8x89ABCDEF);
316       vprodGHIJKLMN = _mm_mullo_epi16(vxi8xGHIJKLMN, vxk8xGHIJKLMN);
317 
318       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
319       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
320       vacc89AB = _mm_add_epi32(vacc89AB, _mm_cvtepi16_epi32(vprod89ABCDEF));
321       vaccCDEF = _mm_add_epi32(vaccCDEF, _mm_srai_epi32(_mm_unpackhi_epi16(vprod89ABCDEF, vprod89ABCDEF), 16));
322       vaccGHIJ = _mm_add_epi32(vaccGHIJ, _mm_cvtepi16_epi32(vprodGHIJKLMN));
323       vaccKLMN = _mm_add_epi32(vaccKLMN, _mm_srai_epi32(_mm_unpackhi_epi16(vprodGHIJKLMN, vprodGHIJKLMN), 16));
324 
325       w = (const void*) ((uintptr_t) w + 24 * sizeof(int32_t) + 216 * sizeof(int8_t));
326 
327       __m128 vscaled0123 = _mm_cvtepi32_ps(vacc0123);
328       __m128 vscaled4567 = _mm_cvtepi32_ps(vacc4567);
329       __m128 vscaled89AB = _mm_cvtepi32_ps(vacc89AB);
330       __m128 vscaledCDEF = _mm_cvtepi32_ps(vaccCDEF);
331       __m128 vscaledGHIJ = _mm_cvtepi32_ps(vaccGHIJ);
332       __m128 vscaledKLMN = _mm_cvtepi32_ps(vaccKLMN);
333 
334       const __m128 vscale = _mm_load_ps(params->fp32_sse4.scale);
335       vscaled0123 = _mm_mul_ps(vscaled0123, vscale);
336       vscaled4567 = _mm_mul_ps(vscaled4567, vscale);
337       vscaled89AB = _mm_mul_ps(vscaled89AB, vscale);
338       vscaledCDEF = _mm_mul_ps(vscaledCDEF, vscale);
339       vscaledGHIJ = _mm_mul_ps(vscaledGHIJ, vscale);
340       vscaledKLMN = _mm_mul_ps(vscaledKLMN, vscale);
341 
342       const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse4.output_max_less_zero_point);
343       vscaled0123 = _mm_min_ps(vscaled0123, voutput_max_less_zero_point);
344       vscaled4567 = _mm_min_ps(vscaled4567, voutput_max_less_zero_point);
345       vscaled89AB = _mm_min_ps(vscaled89AB, voutput_max_less_zero_point);
346       vscaledCDEF = _mm_min_ps(vscaledCDEF, voutput_max_less_zero_point);
347       vscaledGHIJ = _mm_min_ps(vscaledGHIJ, voutput_max_less_zero_point);
348       vscaledKLMN = _mm_min_ps(vscaledKLMN, voutput_max_less_zero_point);
349 
350       vacc0123 = _mm_cvtps_epi32(vscaled0123);
351       vacc4567 = _mm_cvtps_epi32(vscaled4567);
352       vacc89AB = _mm_cvtps_epi32(vscaled89AB);
353       vaccCDEF = _mm_cvtps_epi32(vscaledCDEF);
354       vaccGHIJ = _mm_cvtps_epi32(vscaledGHIJ);
355       vaccKLMN = _mm_cvtps_epi32(vscaledKLMN);
356 
357       const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse4.output_zero_point);
358       __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);
359       __m128i vout89ABCDEF = _mm_adds_epi16(_mm_packs_epi32(vacc89AB, vaccCDEF), voutput_zero_point);
360       __m128i voutGHIJKLMN = _mm_adds_epi16(_mm_packs_epi32(vaccGHIJ, vaccKLMN), voutput_zero_point);
361 
362 
363       __m128i vout0123456789ABCDEF = _mm_packs_epi16(vout01234567, vout89ABCDEF);
364       __m128i voutGHIJKLMNGHIJKLMN = _mm_packs_epi16(voutGHIJKLMN, voutGHIJKLMN);
365 
366       const __m128i voutput_min = _mm_load_si128((const __m128i*) params->fp32_sse4.output_min);
367       vout0123456789ABCDEF = _mm_max_epi8(vout0123456789ABCDEF, voutput_min);
368       voutGHIJKLMNGHIJKLMN = _mm_max_epi8(voutGHIJKLMNGHIJKLMN, voutput_min);
369 
370       _mm_storeu_si128((__m128i*) output, vout0123456789ABCDEF);
371       _mm_storel_epi64((__m128i*) (output + 16), voutGHIJKLMNGHIJKLMN);
372       output += 24;
373     }
374     if XNN_UNLIKELY(c != 0) {
375       const int8_t* k = (const int8_t*) ((const int32_t*) w + 24);
376       do {
377         __m128i vacc0123 = _mm_loadu_si128((const __m128i*) w);
378         __m128i vacc4567 = _mm_loadu_si128((const __m128i*) ((const int32_t*) w + 4));
379 
380 
381         const __m128i vi0x01234567 = _mm_loadl_epi64((const __m128i*) i0);
382         const __m128i vxi0x01234567 = _mm_cvtepi8_epi16(vi0x01234567);
383         const __m128i vk0x01234567 = _mm_loadl_epi64((const __m128i*) k);
384         const __m128i vxk0x01234567 = _mm_cvtepi8_epi16(vk0x01234567);
385         i0 += 8;
386 
387 
388         __m128i vprod01234567 = _mm_mullo_epi16(vxi0x01234567, vxk0x01234567);
389 
390         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
391         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
392 
393         const __m128i vi1x01234567 = _mm_loadl_epi64((const __m128i*) i1);
394         const __m128i vxi1x01234567 = _mm_cvtepi8_epi16(vi1x01234567);
395         const __m128i vk1x01234567 = _mm_loadl_epi64((const __m128i*) (k + 24));
396         const __m128i vxk1x01234567 = _mm_cvtepi8_epi16(vk1x01234567);
397         i1 += 8;
398 
399 
400         vprod01234567 = _mm_mullo_epi16(vxi1x01234567, vxk1x01234567);
401 
402         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
403         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
404 
405         const __m128i vi2x01234567 = _mm_loadl_epi64((const __m128i*) i2);
406         const __m128i vxi2x01234567 = _mm_cvtepi8_epi16(vi2x01234567);
407         const __m128i vk2x01234567 = _mm_loadl_epi64((const __m128i*) (k + 48));
408         const __m128i vxk2x01234567 = _mm_cvtepi8_epi16(vk2x01234567);
409         i2 += 8;
410 
411 
412         vprod01234567 = _mm_mullo_epi16(vxi2x01234567, vxk2x01234567);
413 
414         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
415         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
416 
417         const __m128i vi3x01234567 = _mm_loadl_epi64((const __m128i*) i3);
418         const __m128i vxi3x01234567 = _mm_cvtepi8_epi16(vi3x01234567);
419         const __m128i vk3x01234567 = _mm_loadl_epi64((const __m128i*) (k + 72));
420         const __m128i vxk3x01234567 = _mm_cvtepi8_epi16(vk3x01234567);
421         i3 += 8;
422 
423 
424         vprod01234567 = _mm_mullo_epi16(vxi3x01234567, vxk3x01234567);
425 
426         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
427         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
428 
429         const __m128i vi4x01234567 = _mm_loadl_epi64((const __m128i*) i4);
430         const __m128i vxi4x01234567 = _mm_cvtepi8_epi16(vi4x01234567);
431         const __m128i vk4x01234567 = _mm_loadl_epi64((const __m128i*) (k + 96));
432         const __m128i vxk4x01234567 = _mm_cvtepi8_epi16(vk4x01234567);
433         i4 += 8;
434 
435 
436         vprod01234567 = _mm_mullo_epi16(vxi4x01234567, vxk4x01234567);
437 
438         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
439         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
440 
441         const __m128i vi5x01234567 = _mm_loadl_epi64((const __m128i*) i5);
442         const __m128i vxi5x01234567 = _mm_cvtepi8_epi16(vi5x01234567);
443         const __m128i vk5x01234567 = _mm_loadl_epi64((const __m128i*) (k + 120));
444         const __m128i vxk5x01234567 = _mm_cvtepi8_epi16(vk5x01234567);
445         i5 += 8;
446 
447 
448         vprod01234567 = _mm_mullo_epi16(vxi5x01234567, vxk5x01234567);
449 
450         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
451         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
452 
453         const __m128i vi6x01234567 = _mm_loadl_epi64((const __m128i*) i6);
454         const __m128i vxi6x01234567 = _mm_cvtepi8_epi16(vi6x01234567);
455         const __m128i vk6x01234567 = _mm_loadl_epi64((const __m128i*) (k + 144));
456         const __m128i vxk6x01234567 = _mm_cvtepi8_epi16(vk6x01234567);
457         i6 += 8;
458 
459 
460         vprod01234567 = _mm_mullo_epi16(vxi6x01234567, vxk6x01234567);
461 
462         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
463         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
464 
465         const __m128i vi7x01234567 = _mm_loadl_epi64((const __m128i*) i7);
466         const __m128i vxi7x01234567 = _mm_cvtepi8_epi16(vi7x01234567);
467         const __m128i vk7x01234567 = _mm_loadl_epi64((const __m128i*) (k + 168));
468         const __m128i vxk7x01234567 = _mm_cvtepi8_epi16(vk7x01234567);
469         i7 += 8;
470 
471 
472         vprod01234567 = _mm_mullo_epi16(vxi7x01234567, vxk7x01234567);
473 
474         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
475         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
476 
477         const __m128i vi8x01234567 = _mm_loadl_epi64((const __m128i*) i8);
478         const __m128i vxi8x01234567 = _mm_cvtepi8_epi16(vi8x01234567);
479         const __m128i vk8x01234567 = _mm_loadl_epi64((const __m128i*) (k + 192));
480         const __m128i vxk8x01234567 = _mm_cvtepi8_epi16(vk8x01234567);
481         i8 += 8;
482 
483 
484         vprod01234567 = _mm_mullo_epi16(vxi8x01234567, vxk8x01234567);
485 
486         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
487         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
488 
489         k += 8;
490 
491         __m128 vscaled0123 = _mm_cvtepi32_ps(vacc0123);
492         __m128 vscaled4567 = _mm_cvtepi32_ps(vacc4567);
493 
494         const __m128 vscale = _mm_load_ps(params->fp32_sse4.scale);
495         vscaled0123 = _mm_mul_ps(vscaled0123, vscale);
496         vscaled4567 = _mm_mul_ps(vscaled4567, vscale);
497 
498         const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse4.output_max_less_zero_point);
499         vscaled0123 = _mm_min_ps(vscaled0123, voutput_max_less_zero_point);
500         vscaled4567 = _mm_min_ps(vscaled4567, voutput_max_less_zero_point);
501 
502         vacc0123 = _mm_cvtps_epi32(vscaled0123);
503         vacc4567 = _mm_cvtps_epi32(vscaled4567);
504 
505         w = (const void*) ((const int32_t*) w + 8);
506 
507         const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse4.output_zero_point);
508         __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);
509 
510 
511         __m128i vout0123456701234567 = _mm_packs_epi16(vout01234567, vout01234567);
512 
513         vout0123456701234567 = _mm_max_epi8(vout0123456701234567, _mm_load_si128((const __m128i*) params->fp32_sse4.output_min));
514 
515         if XNN_LIKELY(c >= 8) {
516           _mm_storel_epi64((__m128i*) output, vout0123456701234567);
517           output += 8;
518           c -= 8;
519         } else {
520           if (c & 4) {
521             *((uint32_t*) output) = (uint32_t) _mm_cvtsi128_si32(vout0123456701234567);
522             vout0123456701234567 = _mm_srli_epi64(vout0123456701234567, 32);
523             output += 4;
524           }
525           if (c & 2) {
526             *((uint16_t*) output) = (uint16_t) _mm_extract_epi16(vout0123456701234567, 0);
527             vout0123456701234567 = _mm_srli_epi32(vout0123456701234567, 16);
528             output += 2;
529           }
530           if (c & 1) {
531             *output = (int8_t) _mm_extract_epi8(vout0123456701234567, 0);
532             output += 1;
533           }
534           c = 0;
535         }
536       } while (c != 0);
537     }
538 
539     output = (int8_t*) ((uintptr_t) output + output_increment);
540   } while (--output_width != 0);
541 }
542