xref: /aosp_15_r20/external/XNNPACK/src/qs8-dwconv/gen/up16x9-minmax-fp32-avx-mul16.c (revision 4bdc94577ba0e567308109d787f7fec7b531ce36)
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 #include <xnnpack/unaligned.h>
16 
17 
xnn_qs8_dwconv_minmax_fp32_ukernel_up16x9__avx_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)])18 void xnn_qs8_dwconv_minmax_fp32_ukernel_up16x9__avx_mul16(
19     size_t channels,
20     size_t output_width,
21     const int8_t** input,
22     const void* weights,
23     int8_t* output,
24     size_t input_stride,
25     size_t output_increment,
26     size_t input_offset,
27     const int8_t* zero,
28     const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
29 {
30   assert(channels != 0);
31   assert(output_width != 0);
32 
33   do {
34     const int8_t* i0 = input[0];
35     assert(i0 != NULL);
36     if XNN_UNPREDICTABLE(i0 != zero) {
37       i0 = (const int8_t*) ((uintptr_t) i0 + input_offset);
38     }
39     const int8_t* i1 = input[1];
40     assert(i1 != NULL);
41     if XNN_UNPREDICTABLE(i1 != zero) {
42       i1 = (const int8_t*) ((uintptr_t) i1 + input_offset);
43     }
44     const int8_t* i2 = input[2];
45     assert(i2 != NULL);
46     if XNN_UNPREDICTABLE(i2 != zero) {
47       i2 = (const int8_t*) ((uintptr_t) i2 + input_offset);
48     }
49     const int8_t* i3 = input[3];
50     assert(i3 != NULL);
51     if XNN_UNPREDICTABLE(i3 != zero) {
52       i3 = (const int8_t*) ((uintptr_t) i3 + input_offset);
53     }
54     const int8_t* i4 = input[4];
55     assert(i4 != NULL);
56     if XNN_UNPREDICTABLE(i4 != zero) {
57       i4 = (const int8_t*) ((uintptr_t) i4 + input_offset);
58     }
59     const int8_t* i5 = input[5];
60     assert(i5 != NULL);
61     if XNN_UNPREDICTABLE(i5 != zero) {
62       i5 = (const int8_t*) ((uintptr_t) i5 + input_offset);
63     }
64     const int8_t* i6 = input[6];
65     assert(i6 != NULL);
66     if XNN_UNPREDICTABLE(i6 != zero) {
67       i6 = (const int8_t*) ((uintptr_t) i6 + input_offset);
68     }
69     const int8_t* i7 = input[7];
70     assert(i7 != NULL);
71     if XNN_UNPREDICTABLE(i7 != zero) {
72       i7 = (const int8_t*) ((uintptr_t) i7 + input_offset);
73     }
74     const int8_t* i8 = input[8];
75     assert(i8 != NULL);
76     if XNN_UNPREDICTABLE(i8 != zero) {
77       i8 = (const int8_t*) ((uintptr_t) i8 + input_offset);
78     }
79     input = (const int8_t**) ((uintptr_t) input + input_stride);
80 
81     size_t c = channels;
82     const void* w = weights;
83     for (; c >= 16; c -= 16) {
84       __m128i vacc0123 = _mm_loadu_si128((const __m128i*) w);
85       __m128i vacc4567 = _mm_loadu_si128((const __m128i*) ((const int32_t*) w + 4));
86       __m128i vacc89AB = _mm_loadu_si128((const __m128i*) ((const int32_t*) w + 8));
87       __m128i vaccCDEF = _mm_loadu_si128((const __m128i*) ((const int32_t*) w + 12));
88 
89 
90       const __m128i vi0x01234567 = _mm_loadl_epi64((const __m128i*) i0);
91       const __m128i vxi0x01234567 = _mm_cvtepi8_epi16(vi0x01234567);
92       const __m128i vk0x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 0 * sizeof(int8_t)));
93       const __m128i vxk0x01234567 = _mm_cvtepi8_epi16(vk0x01234567);
94       const __m128i vi0x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i0 + 8));
95       const __m128i vxi0x89ABCDEF = _mm_cvtepi8_epi16(vi0x89ABCDEF);
96       const __m128i vk0x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 8 * sizeof(int8_t)));
97       const __m128i vxk0x89ABCDEF = _mm_cvtepi8_epi16(vk0x89ABCDEF);
98       i0 += 16;
99 
100 
101       __m128i vprod01234567 = _mm_mullo_epi16(vxi0x01234567, vxk0x01234567);
102       __m128i vprod89ABCDEF = _mm_mullo_epi16(vxi0x89ABCDEF, vxk0x89ABCDEF);
103 
104       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
105       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
106       vacc89AB = _mm_add_epi32(vacc89AB, _mm_cvtepi16_epi32(vprod89ABCDEF));
107       vaccCDEF = _mm_add_epi32(vaccCDEF, _mm_srai_epi32(_mm_unpackhi_epi16(vprod89ABCDEF, vprod89ABCDEF), 16));
108 
109       const __m128i vi1x01234567 = _mm_loadl_epi64((const __m128i*) i1);
110       const __m128i vxi1x01234567 = _mm_cvtepi8_epi16(vi1x01234567);
111       const __m128i vk1x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 16 * sizeof(int8_t)));
112       const __m128i vxk1x01234567 = _mm_cvtepi8_epi16(vk1x01234567);
113       const __m128i vi1x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i1 + 8));
114       const __m128i vxi1x89ABCDEF = _mm_cvtepi8_epi16(vi1x89ABCDEF);
115       const __m128i vk1x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 24 * sizeof(int8_t)));
116       const __m128i vxk1x89ABCDEF = _mm_cvtepi8_epi16(vk1x89ABCDEF);
117       i1 += 16;
118 
119 
120       vprod01234567 = _mm_mullo_epi16(vxi1x01234567, vxk1x01234567);
121       vprod89ABCDEF = _mm_mullo_epi16(vxi1x89ABCDEF, vxk1x89ABCDEF);
122 
123       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
124       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
125       vacc89AB = _mm_add_epi32(vacc89AB, _mm_cvtepi16_epi32(vprod89ABCDEF));
126       vaccCDEF = _mm_add_epi32(vaccCDEF, _mm_srai_epi32(_mm_unpackhi_epi16(vprod89ABCDEF, vprod89ABCDEF), 16));
127 
128       const __m128i vi2x01234567 = _mm_loadl_epi64((const __m128i*) i2);
129       const __m128i vxi2x01234567 = _mm_cvtepi8_epi16(vi2x01234567);
130       const __m128i vk2x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 32 * sizeof(int8_t)));
131       const __m128i vxk2x01234567 = _mm_cvtepi8_epi16(vk2x01234567);
132       const __m128i vi2x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i2 + 8));
133       const __m128i vxi2x89ABCDEF = _mm_cvtepi8_epi16(vi2x89ABCDEF);
134       const __m128i vk2x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 40 * sizeof(int8_t)));
135       const __m128i vxk2x89ABCDEF = _mm_cvtepi8_epi16(vk2x89ABCDEF);
136       i2 += 16;
137 
138 
139       vprod01234567 = _mm_mullo_epi16(vxi2x01234567, vxk2x01234567);
140       vprod89ABCDEF = _mm_mullo_epi16(vxi2x89ABCDEF, vxk2x89ABCDEF);
141 
142       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
143       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
144       vacc89AB = _mm_add_epi32(vacc89AB, _mm_cvtepi16_epi32(vprod89ABCDEF));
145       vaccCDEF = _mm_add_epi32(vaccCDEF, _mm_srai_epi32(_mm_unpackhi_epi16(vprod89ABCDEF, vprod89ABCDEF), 16));
146 
147       const __m128i vi3x01234567 = _mm_loadl_epi64((const __m128i*) i3);
148       const __m128i vxi3x01234567 = _mm_cvtepi8_epi16(vi3x01234567);
149       const __m128i vk3x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 48 * sizeof(int8_t)));
150       const __m128i vxk3x01234567 = _mm_cvtepi8_epi16(vk3x01234567);
151       const __m128i vi3x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i3 + 8));
152       const __m128i vxi3x89ABCDEF = _mm_cvtepi8_epi16(vi3x89ABCDEF);
153       const __m128i vk3x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 56 * sizeof(int8_t)));
154       const __m128i vxk3x89ABCDEF = _mm_cvtepi8_epi16(vk3x89ABCDEF);
155       i3 += 16;
156 
157 
158       vprod01234567 = _mm_mullo_epi16(vxi3x01234567, vxk3x01234567);
159       vprod89ABCDEF = _mm_mullo_epi16(vxi3x89ABCDEF, vxk3x89ABCDEF);
160 
161       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
162       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
163       vacc89AB = _mm_add_epi32(vacc89AB, _mm_cvtepi16_epi32(vprod89ABCDEF));
164       vaccCDEF = _mm_add_epi32(vaccCDEF, _mm_srai_epi32(_mm_unpackhi_epi16(vprod89ABCDEF, vprod89ABCDEF), 16));
165 
166       const __m128i vi4x01234567 = _mm_loadl_epi64((const __m128i*) i4);
167       const __m128i vxi4x01234567 = _mm_cvtepi8_epi16(vi4x01234567);
168       const __m128i vk4x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 64 * sizeof(int8_t)));
169       const __m128i vxk4x01234567 = _mm_cvtepi8_epi16(vk4x01234567);
170       const __m128i vi4x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i4 + 8));
171       const __m128i vxi4x89ABCDEF = _mm_cvtepi8_epi16(vi4x89ABCDEF);
172       const __m128i vk4x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 72 * sizeof(int8_t)));
173       const __m128i vxk4x89ABCDEF = _mm_cvtepi8_epi16(vk4x89ABCDEF);
174       i4 += 16;
175 
176 
177       vprod01234567 = _mm_mullo_epi16(vxi4x01234567, vxk4x01234567);
178       vprod89ABCDEF = _mm_mullo_epi16(vxi4x89ABCDEF, vxk4x89ABCDEF);
179 
180       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
181       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
182       vacc89AB = _mm_add_epi32(vacc89AB, _mm_cvtepi16_epi32(vprod89ABCDEF));
183       vaccCDEF = _mm_add_epi32(vaccCDEF, _mm_srai_epi32(_mm_unpackhi_epi16(vprod89ABCDEF, vprod89ABCDEF), 16));
184 
185       const __m128i vi5x01234567 = _mm_loadl_epi64((const __m128i*) i5);
186       const __m128i vxi5x01234567 = _mm_cvtepi8_epi16(vi5x01234567);
187       const __m128i vk5x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 80 * sizeof(int8_t)));
188       const __m128i vxk5x01234567 = _mm_cvtepi8_epi16(vk5x01234567);
189       const __m128i vi5x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i5 + 8));
190       const __m128i vxi5x89ABCDEF = _mm_cvtepi8_epi16(vi5x89ABCDEF);
191       const __m128i vk5x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 88 * sizeof(int8_t)));
192       const __m128i vxk5x89ABCDEF = _mm_cvtepi8_epi16(vk5x89ABCDEF);
193       i5 += 16;
194 
195 
196       vprod01234567 = _mm_mullo_epi16(vxi5x01234567, vxk5x01234567);
197       vprod89ABCDEF = _mm_mullo_epi16(vxi5x89ABCDEF, vxk5x89ABCDEF);
198 
199       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
200       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
201       vacc89AB = _mm_add_epi32(vacc89AB, _mm_cvtepi16_epi32(vprod89ABCDEF));
202       vaccCDEF = _mm_add_epi32(vaccCDEF, _mm_srai_epi32(_mm_unpackhi_epi16(vprod89ABCDEF, vprod89ABCDEF), 16));
203 
204       const __m128i vi6x01234567 = _mm_loadl_epi64((const __m128i*) i6);
205       const __m128i vxi6x01234567 = _mm_cvtepi8_epi16(vi6x01234567);
206       const __m128i vk6x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 96 * sizeof(int8_t)));
207       const __m128i vxk6x01234567 = _mm_cvtepi8_epi16(vk6x01234567);
208       const __m128i vi6x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i6 + 8));
209       const __m128i vxi6x89ABCDEF = _mm_cvtepi8_epi16(vi6x89ABCDEF);
210       const __m128i vk6x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 104 * sizeof(int8_t)));
211       const __m128i vxk6x89ABCDEF = _mm_cvtepi8_epi16(vk6x89ABCDEF);
212       i6 += 16;
213 
214 
215       vprod01234567 = _mm_mullo_epi16(vxi6x01234567, vxk6x01234567);
216       vprod89ABCDEF = _mm_mullo_epi16(vxi6x89ABCDEF, vxk6x89ABCDEF);
217 
218       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
219       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
220       vacc89AB = _mm_add_epi32(vacc89AB, _mm_cvtepi16_epi32(vprod89ABCDEF));
221       vaccCDEF = _mm_add_epi32(vaccCDEF, _mm_srai_epi32(_mm_unpackhi_epi16(vprod89ABCDEF, vprod89ABCDEF), 16));
222 
223       const __m128i vi7x01234567 = _mm_loadl_epi64((const __m128i*) i7);
224       const __m128i vxi7x01234567 = _mm_cvtepi8_epi16(vi7x01234567);
225       const __m128i vk7x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 112 * sizeof(int8_t)));
226       const __m128i vxk7x01234567 = _mm_cvtepi8_epi16(vk7x01234567);
227       const __m128i vi7x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i7 + 8));
228       const __m128i vxi7x89ABCDEF = _mm_cvtepi8_epi16(vi7x89ABCDEF);
229       const __m128i vk7x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 120 * sizeof(int8_t)));
230       const __m128i vxk7x89ABCDEF = _mm_cvtepi8_epi16(vk7x89ABCDEF);
231       i7 += 16;
232 
233 
234       vprod01234567 = _mm_mullo_epi16(vxi7x01234567, vxk7x01234567);
235       vprod89ABCDEF = _mm_mullo_epi16(vxi7x89ABCDEF, vxk7x89ABCDEF);
236 
237       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
238       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
239       vacc89AB = _mm_add_epi32(vacc89AB, _mm_cvtepi16_epi32(vprod89ABCDEF));
240       vaccCDEF = _mm_add_epi32(vaccCDEF, _mm_srai_epi32(_mm_unpackhi_epi16(vprod89ABCDEF, vprod89ABCDEF), 16));
241 
242       const __m128i vi8x01234567 = _mm_loadl_epi64((const __m128i*) i8);
243       const __m128i vxi8x01234567 = _mm_cvtepi8_epi16(vi8x01234567);
244       const __m128i vk8x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 128 * sizeof(int8_t)));
245       const __m128i vxk8x01234567 = _mm_cvtepi8_epi16(vk8x01234567);
246       const __m128i vi8x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i8 + 8));
247       const __m128i vxi8x89ABCDEF = _mm_cvtepi8_epi16(vi8x89ABCDEF);
248       const __m128i vk8x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 136 * sizeof(int8_t)));
249       const __m128i vxk8x89ABCDEF = _mm_cvtepi8_epi16(vk8x89ABCDEF);
250       i8 += 16;
251 
252 
253       vprod01234567 = _mm_mullo_epi16(vxi8x01234567, vxk8x01234567);
254       vprod89ABCDEF = _mm_mullo_epi16(vxi8x89ABCDEF, vxk8x89ABCDEF);
255 
256       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
257       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
258       vacc89AB = _mm_add_epi32(vacc89AB, _mm_cvtepi16_epi32(vprod89ABCDEF));
259       vaccCDEF = _mm_add_epi32(vaccCDEF, _mm_srai_epi32(_mm_unpackhi_epi16(vprod89ABCDEF, vprod89ABCDEF), 16));
260 
261       w = (const void*) ((uintptr_t) w + 16 * sizeof(int32_t) + 144 * sizeof(int8_t));
262 
263       __m128 vscaled0123 = _mm_cvtepi32_ps(vacc0123);
264       __m128 vscaled4567 = _mm_cvtepi32_ps(vacc4567);
265       __m128 vscaled89AB = _mm_cvtepi32_ps(vacc89AB);
266       __m128 vscaledCDEF = _mm_cvtepi32_ps(vaccCDEF);
267 
268       const __m128 vscale = _mm_load_ps(params->fp32_sse4.scale);
269       vscaled0123 = _mm_mul_ps(vscaled0123, vscale);
270       vscaled4567 = _mm_mul_ps(vscaled4567, vscale);
271       vscaled89AB = _mm_mul_ps(vscaled89AB, vscale);
272       vscaledCDEF = _mm_mul_ps(vscaledCDEF, vscale);
273 
274       const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse4.output_max_less_zero_point);
275       vscaled0123 = _mm_min_ps(vscaled0123, voutput_max_less_zero_point);
276       vscaled4567 = _mm_min_ps(vscaled4567, voutput_max_less_zero_point);
277       vscaled89AB = _mm_min_ps(vscaled89AB, voutput_max_less_zero_point);
278       vscaledCDEF = _mm_min_ps(vscaledCDEF, voutput_max_less_zero_point);
279 
280       vacc0123 = _mm_cvtps_epi32(vscaled0123);
281       vacc4567 = _mm_cvtps_epi32(vscaled4567);
282       vacc89AB = _mm_cvtps_epi32(vscaled89AB);
283       vaccCDEF = _mm_cvtps_epi32(vscaledCDEF);
284 
285       const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse4.output_zero_point);
286       __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);
287       __m128i vout89ABCDEF = _mm_adds_epi16(_mm_packs_epi32(vacc89AB, vaccCDEF), voutput_zero_point);
288 
289 
290       __m128i vout0123456789ABCDEF = _mm_packs_epi16(vout01234567, vout89ABCDEF);
291 
292       const __m128i voutput_min = _mm_load_si128((const __m128i*) params->fp32_sse4.output_min);
293       vout0123456789ABCDEF = _mm_max_epi8(vout0123456789ABCDEF, voutput_min);
294 
295       _mm_storeu_si128((__m128i*) output, vout0123456789ABCDEF);
296       output += 16;
297     }
298     if XNN_UNLIKELY(c != 0) {
299       const int8_t* k = (const int8_t*) ((const int32_t*) w + 16);
300       do {
301         __m128i vacc0123 = _mm_loadu_si128((const __m128i*) w);
302         __m128i vacc4567 = _mm_loadu_si128((const __m128i*) ((const int32_t*) w + 4));
303 
304 
305         const __m128i vi0x01234567 = _mm_loadl_epi64((const __m128i*) i0);
306         const __m128i vxi0x01234567 = _mm_cvtepi8_epi16(vi0x01234567);
307         const __m128i vk0x01234567 = _mm_loadl_epi64((const __m128i*) k);
308         const __m128i vxk0x01234567 = _mm_cvtepi8_epi16(vk0x01234567);
309         i0 += 8;
310 
311 
312         __m128i vprod01234567 = _mm_mullo_epi16(vxi0x01234567, vxk0x01234567);
313 
314         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
315         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
316 
317         const __m128i vi1x01234567 = _mm_loadl_epi64((const __m128i*) i1);
318         const __m128i vxi1x01234567 = _mm_cvtepi8_epi16(vi1x01234567);
319         const __m128i vk1x01234567 = _mm_loadl_epi64((const __m128i*) (k + 16));
320         const __m128i vxk1x01234567 = _mm_cvtepi8_epi16(vk1x01234567);
321         i1 += 8;
322 
323 
324         vprod01234567 = _mm_mullo_epi16(vxi1x01234567, vxk1x01234567);
325 
326         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
327         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
328 
329         const __m128i vi2x01234567 = _mm_loadl_epi64((const __m128i*) i2);
330         const __m128i vxi2x01234567 = _mm_cvtepi8_epi16(vi2x01234567);
331         const __m128i vk2x01234567 = _mm_loadl_epi64((const __m128i*) (k + 32));
332         const __m128i vxk2x01234567 = _mm_cvtepi8_epi16(vk2x01234567);
333         i2 += 8;
334 
335 
336         vprod01234567 = _mm_mullo_epi16(vxi2x01234567, vxk2x01234567);
337 
338         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
339         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
340 
341         const __m128i vi3x01234567 = _mm_loadl_epi64((const __m128i*) i3);
342         const __m128i vxi3x01234567 = _mm_cvtepi8_epi16(vi3x01234567);
343         const __m128i vk3x01234567 = _mm_loadl_epi64((const __m128i*) (k + 48));
344         const __m128i vxk3x01234567 = _mm_cvtepi8_epi16(vk3x01234567);
345         i3 += 8;
346 
347 
348         vprod01234567 = _mm_mullo_epi16(vxi3x01234567, vxk3x01234567);
349 
350         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
351         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
352 
353         const __m128i vi4x01234567 = _mm_loadl_epi64((const __m128i*) i4);
354         const __m128i vxi4x01234567 = _mm_cvtepi8_epi16(vi4x01234567);
355         const __m128i vk4x01234567 = _mm_loadl_epi64((const __m128i*) (k + 64));
356         const __m128i vxk4x01234567 = _mm_cvtepi8_epi16(vk4x01234567);
357         i4 += 8;
358 
359 
360         vprod01234567 = _mm_mullo_epi16(vxi4x01234567, vxk4x01234567);
361 
362         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
363         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
364 
365         const __m128i vi5x01234567 = _mm_loadl_epi64((const __m128i*) i5);
366         const __m128i vxi5x01234567 = _mm_cvtepi8_epi16(vi5x01234567);
367         const __m128i vk5x01234567 = _mm_loadl_epi64((const __m128i*) (k + 80));
368         const __m128i vxk5x01234567 = _mm_cvtepi8_epi16(vk5x01234567);
369         i5 += 8;
370 
371 
372         vprod01234567 = _mm_mullo_epi16(vxi5x01234567, vxk5x01234567);
373 
374         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
375         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
376 
377         const __m128i vi6x01234567 = _mm_loadl_epi64((const __m128i*) i6);
378         const __m128i vxi6x01234567 = _mm_cvtepi8_epi16(vi6x01234567);
379         const __m128i vk6x01234567 = _mm_loadl_epi64((const __m128i*) (k + 96));
380         const __m128i vxk6x01234567 = _mm_cvtepi8_epi16(vk6x01234567);
381         i6 += 8;
382 
383 
384         vprod01234567 = _mm_mullo_epi16(vxi6x01234567, vxk6x01234567);
385 
386         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
387         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
388 
389         const __m128i vi7x01234567 = _mm_loadl_epi64((const __m128i*) i7);
390         const __m128i vxi7x01234567 = _mm_cvtepi8_epi16(vi7x01234567);
391         const __m128i vk7x01234567 = _mm_loadl_epi64((const __m128i*) (k + 112));
392         const __m128i vxk7x01234567 = _mm_cvtepi8_epi16(vk7x01234567);
393         i7 += 8;
394 
395 
396         vprod01234567 = _mm_mullo_epi16(vxi7x01234567, vxk7x01234567);
397 
398         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
399         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
400 
401         const __m128i vi8x01234567 = _mm_loadl_epi64((const __m128i*) i8);
402         const __m128i vxi8x01234567 = _mm_cvtepi8_epi16(vi8x01234567);
403         const __m128i vk8x01234567 = _mm_loadl_epi64((const __m128i*) (k + 128));
404         const __m128i vxk8x01234567 = _mm_cvtepi8_epi16(vk8x01234567);
405         i8 += 8;
406 
407 
408         vprod01234567 = _mm_mullo_epi16(vxi8x01234567, vxk8x01234567);
409 
410         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
411         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
412 
413         k += 8;
414 
415         __m128 vscaled0123 = _mm_cvtepi32_ps(vacc0123);
416         __m128 vscaled4567 = _mm_cvtepi32_ps(vacc4567);
417 
418         const __m128 vscale = _mm_load_ps(params->fp32_sse4.scale);
419         vscaled0123 = _mm_mul_ps(vscaled0123, vscale);
420         vscaled4567 = _mm_mul_ps(vscaled4567, vscale);
421 
422         const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse4.output_max_less_zero_point);
423         vscaled0123 = _mm_min_ps(vscaled0123, voutput_max_less_zero_point);
424         vscaled4567 = _mm_min_ps(vscaled4567, voutput_max_less_zero_point);
425 
426         vacc0123 = _mm_cvtps_epi32(vscaled0123);
427         vacc4567 = _mm_cvtps_epi32(vscaled4567);
428 
429         w = (const void*) ((const int32_t*) w + 8);
430 
431         const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse4.output_zero_point);
432         __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);
433 
434 
435         __m128i vout0123456701234567 = _mm_packs_epi16(vout01234567, vout01234567);
436 
437         vout0123456701234567 = _mm_max_epi8(vout0123456701234567, _mm_load_si128((const __m128i*) params->fp32_sse4.output_min));
438 
439         if XNN_LIKELY(c >= 8) {
440           _mm_storel_epi64((__m128i*) output, vout0123456701234567);
441           output += 8;
442           c -= 8;
443         } else {
444           if (c & 4) {
445             unaligned_store_u32(output, (uint32_t) _mm_cvtsi128_si32(vout0123456701234567));
446             vout0123456701234567 = _mm_srli_epi64(vout0123456701234567, 32);
447             output += 4;
448           }
449           if (c & 2) {
450             unaligned_store_u16(output, (uint16_t) _mm_extract_epi16(vout0123456701234567, 0));
451             vout0123456701234567 = _mm_srli_epi32(vout0123456701234567, 16);
452             output += 2;
453           }
454           if (c & 1) {
455             *output = (int8_t) _mm_extract_epi8(vout0123456701234567, 0);
456             output += 1;
457           }
458           c = 0;
459         }
460       } while (c != 0);
461     }
462 
463     output = (int8_t*) ((uintptr_t) output + output_increment);
464   } while (--output_width != 0);
465 }
466