• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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 #if defined(__GNUC__) || defined(__clang__)
13   #include <x86intrin.h>
14 #else
15   #include <immintrin.h>
16   #include <ammintrin.h>
17 #endif
18 
19 #include <xnnpack/dwconv.h>
20 
21 
xnn_qs8_dwconv_minmax_fp32_ukernel_up16x9__xop_mul16_add16(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)])22 void xnn_qs8_dwconv_minmax_fp32_ukernel_up16x9__xop_mul16_add16(
23     size_t channels,
24     size_t output_width,
25     const int8_t** input,
26     const void* weights,
27     int8_t* output,
28     size_t input_stride,
29     size_t output_increment,
30     size_t input_offset,
31     const int8_t* zero,
32     const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
33 {
34   assert(channels != 0);
35   assert(output_width != 0);
36 
37   do {
38     const int8_t* i0 = input[0];
39     assert(i0 != NULL);
40     if XNN_UNPREDICTABLE(i0 != zero) {
41       i0 = (const int8_t*) ((uintptr_t) i0 + input_offset);
42     }
43     const int8_t* i1 = input[1];
44     assert(i1 != NULL);
45     if XNN_UNPREDICTABLE(i1 != zero) {
46       i1 = (const int8_t*) ((uintptr_t) i1 + input_offset);
47     }
48     const int8_t* i2 = input[2];
49     assert(i2 != NULL);
50     if XNN_UNPREDICTABLE(i2 != zero) {
51       i2 = (const int8_t*) ((uintptr_t) i2 + input_offset);
52     }
53     const int8_t* i3 = input[3];
54     assert(i3 != NULL);
55     if XNN_UNPREDICTABLE(i3 != zero) {
56       i3 = (const int8_t*) ((uintptr_t) i3 + input_offset);
57     }
58     const int8_t* i4 = input[4];
59     assert(i4 != NULL);
60     if XNN_UNPREDICTABLE(i4 != zero) {
61       i4 = (const int8_t*) ((uintptr_t) i4 + input_offset);
62     }
63     const int8_t* i5 = input[5];
64     assert(i5 != NULL);
65     if XNN_UNPREDICTABLE(i5 != zero) {
66       i5 = (const int8_t*) ((uintptr_t) i5 + input_offset);
67     }
68     const int8_t* i6 = input[6];
69     assert(i6 != NULL);
70     if XNN_UNPREDICTABLE(i6 != zero) {
71       i6 = (const int8_t*) ((uintptr_t) i6 + input_offset);
72     }
73     const int8_t* i7 = input[7];
74     assert(i7 != NULL);
75     if XNN_UNPREDICTABLE(i7 != zero) {
76       i7 = (const int8_t*) ((uintptr_t) i7 + input_offset);
77     }
78     const int8_t* i8 = input[8];
79     assert(i8 != NULL);
80     if XNN_UNPREDICTABLE(i8 != zero) {
81       i8 = (const int8_t*) ((uintptr_t) i8 + input_offset);
82     }
83     input = (const int8_t**) ((uintptr_t) input + input_stride);
84 
85     size_t c = channels;
86     const void* w = weights;
87     for (; c >= 16; c -= 16) {
88       __m128i vacc0123 = _mm_loadu_si128((const __m128i*) w);
89       __m128i vacc4567 = _mm_loadu_si128((const __m128i*) ((const int32_t*) w + 4));
90       __m128i vacc89AB = _mm_loadu_si128((const __m128i*) ((const int32_t*) w + 8));
91       __m128i vaccCDEF = _mm_loadu_si128((const __m128i*) ((const int32_t*) w + 12));
92 
93 
94       const __m128i vi0x01234567 = _mm_loadl_epi64((const __m128i*) i0);
95       const __m128i vxi0x01234567 = _mm_cvtepi8_epi16(vi0x01234567);
96       const __m128i vk0x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 0 * sizeof(int8_t)));
97       const __m128i vxk0x01234567 = _mm_cvtepi8_epi16(vk0x01234567);
98       const __m128i vi0x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i0 + 8));
99       const __m128i vxi0x89ABCDEF = _mm_cvtepi8_epi16(vi0x89ABCDEF);
100       const __m128i vk0x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 8 * sizeof(int8_t)));
101       const __m128i vxk0x89ABCDEF = _mm_cvtepi8_epi16(vk0x89ABCDEF);
102       i0 += 16;
103 
104 
105       __m128i vprod01234567 = _mm_mullo_epi16(vxi0x01234567, vxk0x01234567);
106       __m128i vprod89ABCDEF = _mm_mullo_epi16(vxi0x89ABCDEF, vxk0x89ABCDEF);
107 
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_macc_epi16(vxi1x01234567, vxk1x01234567, vprod01234567);
121       vprod89ABCDEF = _mm_macc_epi16(vxi1x89ABCDEF, vxk1x89ABCDEF, vprod89ABCDEF);
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 
143       const __m128i vi3x01234567 = _mm_loadl_epi64((const __m128i*) i3);
144       const __m128i vxi3x01234567 = _mm_cvtepi8_epi16(vi3x01234567);
145       const __m128i vk3x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 48 * sizeof(int8_t)));
146       const __m128i vxk3x01234567 = _mm_cvtepi8_epi16(vk3x01234567);
147       const __m128i vi3x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i3 + 8));
148       const __m128i vxi3x89ABCDEF = _mm_cvtepi8_epi16(vi3x89ABCDEF);
149       const __m128i vk3x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 56 * sizeof(int8_t)));
150       const __m128i vxk3x89ABCDEF = _mm_cvtepi8_epi16(vk3x89ABCDEF);
151       i3 += 16;
152 
153 
154       vprod01234567 = _mm_macc_epi16(vxi3x01234567, vxk3x01234567, vprod01234567);
155       vprod89ABCDEF = _mm_macc_epi16(vxi3x89ABCDEF, vxk3x89ABCDEF, vprod89ABCDEF);
156 
157       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
158       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
159       vacc89AB = _mm_add_epi32(vacc89AB, _mm_cvtepi16_epi32(vprod89ABCDEF));
160       vaccCDEF = _mm_add_epi32(vaccCDEF, _mm_srai_epi32(_mm_unpackhi_epi16(vprod89ABCDEF, vprod89ABCDEF), 16));
161 
162       const __m128i vi4x01234567 = _mm_loadl_epi64((const __m128i*) i4);
163       const __m128i vxi4x01234567 = _mm_cvtepi8_epi16(vi4x01234567);
164       const __m128i vk4x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 64 * sizeof(int8_t)));
165       const __m128i vxk4x01234567 = _mm_cvtepi8_epi16(vk4x01234567);
166       const __m128i vi4x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i4 + 8));
167       const __m128i vxi4x89ABCDEF = _mm_cvtepi8_epi16(vi4x89ABCDEF);
168       const __m128i vk4x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 72 * sizeof(int8_t)));
169       const __m128i vxk4x89ABCDEF = _mm_cvtepi8_epi16(vk4x89ABCDEF);
170       i4 += 16;
171 
172 
173       vprod01234567 = _mm_mullo_epi16(vxi4x01234567, vxk4x01234567);
174       vprod89ABCDEF = _mm_mullo_epi16(vxi4x89ABCDEF, vxk4x89ABCDEF);
175 
176 
177       const __m128i vi5x01234567 = _mm_loadl_epi64((const __m128i*) i5);
178       const __m128i vxi5x01234567 = _mm_cvtepi8_epi16(vi5x01234567);
179       const __m128i vk5x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 80 * sizeof(int8_t)));
180       const __m128i vxk5x01234567 = _mm_cvtepi8_epi16(vk5x01234567);
181       const __m128i vi5x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i5 + 8));
182       const __m128i vxi5x89ABCDEF = _mm_cvtepi8_epi16(vi5x89ABCDEF);
183       const __m128i vk5x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 88 * sizeof(int8_t)));
184       const __m128i vxk5x89ABCDEF = _mm_cvtepi8_epi16(vk5x89ABCDEF);
185       i5 += 16;
186 
187 
188       vprod01234567 = _mm_macc_epi16(vxi5x01234567, vxk5x01234567, vprod01234567);
189       vprod89ABCDEF = _mm_macc_epi16(vxi5x89ABCDEF, vxk5x89ABCDEF, vprod89ABCDEF);
190 
191       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
192       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
193       vacc89AB = _mm_add_epi32(vacc89AB, _mm_cvtepi16_epi32(vprod89ABCDEF));
194       vaccCDEF = _mm_add_epi32(vaccCDEF, _mm_srai_epi32(_mm_unpackhi_epi16(vprod89ABCDEF, vprod89ABCDEF), 16));
195 
196       const __m128i vi6x01234567 = _mm_loadl_epi64((const __m128i*) i6);
197       const __m128i vxi6x01234567 = _mm_cvtepi8_epi16(vi6x01234567);
198       const __m128i vk6x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 96 * sizeof(int8_t)));
199       const __m128i vxk6x01234567 = _mm_cvtepi8_epi16(vk6x01234567);
200       const __m128i vi6x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i6 + 8));
201       const __m128i vxi6x89ABCDEF = _mm_cvtepi8_epi16(vi6x89ABCDEF);
202       const __m128i vk6x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 104 * sizeof(int8_t)));
203       const __m128i vxk6x89ABCDEF = _mm_cvtepi8_epi16(vk6x89ABCDEF);
204       i6 += 16;
205 
206 
207       vprod01234567 = _mm_mullo_epi16(vxi6x01234567, vxk6x01234567);
208       vprod89ABCDEF = _mm_mullo_epi16(vxi6x89ABCDEF, vxk6x89ABCDEF);
209 
210 
211       const __m128i vi7x01234567 = _mm_loadl_epi64((const __m128i*) i7);
212       const __m128i vxi7x01234567 = _mm_cvtepi8_epi16(vi7x01234567);
213       const __m128i vk7x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 112 * sizeof(int8_t)));
214       const __m128i vxk7x01234567 = _mm_cvtepi8_epi16(vk7x01234567);
215       const __m128i vi7x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i7 + 8));
216       const __m128i vxi7x89ABCDEF = _mm_cvtepi8_epi16(vi7x89ABCDEF);
217       const __m128i vk7x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 120 * sizeof(int8_t)));
218       const __m128i vxk7x89ABCDEF = _mm_cvtepi8_epi16(vk7x89ABCDEF);
219       i7 += 16;
220 
221 
222       vprod01234567 = _mm_macc_epi16(vxi7x01234567, vxk7x01234567, vprod01234567);
223       vprod89ABCDEF = _mm_macc_epi16(vxi7x89ABCDEF, vxk7x89ABCDEF, vprod89ABCDEF);
224 
225       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
226       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
227       vacc89AB = _mm_add_epi32(vacc89AB, _mm_cvtepi16_epi32(vprod89ABCDEF));
228       vaccCDEF = _mm_add_epi32(vaccCDEF, _mm_srai_epi32(_mm_unpackhi_epi16(vprod89ABCDEF, vprod89ABCDEF), 16));
229 
230       const __m128i vi8x01234567 = _mm_loadl_epi64((const __m128i*) i8);
231       const __m128i vxi8x01234567 = _mm_cvtepi8_epi16(vi8x01234567);
232       const __m128i vk8x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 128 * sizeof(int8_t)));
233       const __m128i vxk8x01234567 = _mm_cvtepi8_epi16(vk8x01234567);
234       const __m128i vi8x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i8 + 8));
235       const __m128i vxi8x89ABCDEF = _mm_cvtepi8_epi16(vi8x89ABCDEF);
236       const __m128i vk8x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 136 * sizeof(int8_t)));
237       const __m128i vxk8x89ABCDEF = _mm_cvtepi8_epi16(vk8x89ABCDEF);
238       i8 += 16;
239 
240 
241       vprod01234567 = _mm_mullo_epi16(vxi8x01234567, vxk8x01234567);
242       vprod89ABCDEF = _mm_mullo_epi16(vxi8x89ABCDEF, vxk8x89ABCDEF);
243 
244       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
245       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
246       vacc89AB = _mm_add_epi32(vacc89AB, _mm_cvtepi16_epi32(vprod89ABCDEF));
247       vaccCDEF = _mm_add_epi32(vaccCDEF, _mm_srai_epi32(_mm_unpackhi_epi16(vprod89ABCDEF, vprod89ABCDEF), 16));
248 
249       w = (const void*) ((uintptr_t) w + 16 * sizeof(int32_t) + 144 * sizeof(int8_t));
250 
251       __m128 vscaled0123 = _mm_cvtepi32_ps(vacc0123);
252       __m128 vscaled4567 = _mm_cvtepi32_ps(vacc4567);
253       __m128 vscaled89AB = _mm_cvtepi32_ps(vacc89AB);
254       __m128 vscaledCDEF = _mm_cvtepi32_ps(vaccCDEF);
255 
256       const __m128 vscale = _mm_load_ps(params->fp32_sse4.scale);
257       vscaled0123 = _mm_mul_ps(vscaled0123, vscale);
258       vscaled4567 = _mm_mul_ps(vscaled4567, vscale);
259       vscaled89AB = _mm_mul_ps(vscaled89AB, vscale);
260       vscaledCDEF = _mm_mul_ps(vscaledCDEF, vscale);
261 
262       const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse4.output_max_less_zero_point);
263       vscaled0123 = _mm_min_ps(vscaled0123, voutput_max_less_zero_point);
264       vscaled4567 = _mm_min_ps(vscaled4567, voutput_max_less_zero_point);
265       vscaled89AB = _mm_min_ps(vscaled89AB, voutput_max_less_zero_point);
266       vscaledCDEF = _mm_min_ps(vscaledCDEF, voutput_max_less_zero_point);
267 
268       vacc0123 = _mm_cvtps_epi32(vscaled0123);
269       vacc4567 = _mm_cvtps_epi32(vscaled4567);
270       vacc89AB = _mm_cvtps_epi32(vscaled89AB);
271       vaccCDEF = _mm_cvtps_epi32(vscaledCDEF);
272 
273       const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse4.output_zero_point);
274       __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);
275       __m128i vout89ABCDEF = _mm_adds_epi16(_mm_packs_epi32(vacc89AB, vaccCDEF), voutput_zero_point);
276 
277 
278       __m128i vout0123456789ABCDEF = _mm_packs_epi16(vout01234567, vout89ABCDEF);
279 
280       const __m128i voutput_min = _mm_load_si128((const __m128i*) params->fp32_sse4.output_min);
281       vout0123456789ABCDEF = _mm_max_epi8(vout0123456789ABCDEF, voutput_min);
282 
283       _mm_storeu_si128((__m128i*) output, vout0123456789ABCDEF);
284       output += 16;
285     }
286     if XNN_UNLIKELY(c != 0) {
287       const int8_t* k = (const int8_t*) ((const int32_t*) w + 16);
288       do {
289         __m128i vacc0123 = _mm_loadu_si128((const __m128i*) w);
290         __m128i vacc4567 = _mm_loadu_si128((const __m128i*) ((const int32_t*) w + 4));
291 
292 
293         const __m128i vi0x01234567 = _mm_loadl_epi64((const __m128i*) i0);
294         const __m128i vxi0x01234567 = _mm_cvtepi8_epi16(vi0x01234567);
295         const __m128i vk0x01234567 = _mm_loadl_epi64((const __m128i*) k);
296         const __m128i vxk0x01234567 = _mm_cvtepi8_epi16(vk0x01234567);
297         i0 += 8;
298 
299 
300         __m128i vprod01234567 = _mm_mullo_epi16(vxi0x01234567, vxk0x01234567);
301 
302 
303         const __m128i vi1x01234567 = _mm_loadl_epi64((const __m128i*) i1);
304         const __m128i vxi1x01234567 = _mm_cvtepi8_epi16(vi1x01234567);
305         const __m128i vk1x01234567 = _mm_loadl_epi64((const __m128i*) (k + 16));
306         const __m128i vxk1x01234567 = _mm_cvtepi8_epi16(vk1x01234567);
307         i1 += 8;
308 
309 
310         vprod01234567 = _mm_macc_epi16(vxi1x01234567, vxk1x01234567, vprod01234567);
311 
312         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
313         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
314 
315         const __m128i vi2x01234567 = _mm_loadl_epi64((const __m128i*) i2);
316         const __m128i vxi2x01234567 = _mm_cvtepi8_epi16(vi2x01234567);
317         const __m128i vk2x01234567 = _mm_loadl_epi64((const __m128i*) (k + 32));
318         const __m128i vxk2x01234567 = _mm_cvtepi8_epi16(vk2x01234567);
319         i2 += 8;
320 
321 
322         vprod01234567 = _mm_mullo_epi16(vxi2x01234567, vxk2x01234567);
323 
324 
325         const __m128i vi3x01234567 = _mm_loadl_epi64((const __m128i*) i3);
326         const __m128i vxi3x01234567 = _mm_cvtepi8_epi16(vi3x01234567);
327         const __m128i vk3x01234567 = _mm_loadl_epi64((const __m128i*) (k + 48));
328         const __m128i vxk3x01234567 = _mm_cvtepi8_epi16(vk3x01234567);
329         i3 += 8;
330 
331 
332         vprod01234567 = _mm_macc_epi16(vxi3x01234567, vxk3x01234567, vprod01234567);
333 
334         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
335         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
336 
337         const __m128i vi4x01234567 = _mm_loadl_epi64((const __m128i*) i4);
338         const __m128i vxi4x01234567 = _mm_cvtepi8_epi16(vi4x01234567);
339         const __m128i vk4x01234567 = _mm_loadl_epi64((const __m128i*) (k + 64));
340         const __m128i vxk4x01234567 = _mm_cvtepi8_epi16(vk4x01234567);
341         i4 += 8;
342 
343 
344         vprod01234567 = _mm_mullo_epi16(vxi4x01234567, vxk4x01234567);
345 
346 
347         const __m128i vi5x01234567 = _mm_loadl_epi64((const __m128i*) i5);
348         const __m128i vxi5x01234567 = _mm_cvtepi8_epi16(vi5x01234567);
349         const __m128i vk5x01234567 = _mm_loadl_epi64((const __m128i*) (k + 80));
350         const __m128i vxk5x01234567 = _mm_cvtepi8_epi16(vk5x01234567);
351         i5 += 8;
352 
353 
354         vprod01234567 = _mm_macc_epi16(vxi5x01234567, vxk5x01234567, vprod01234567);
355 
356         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
357         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
358 
359         const __m128i vi6x01234567 = _mm_loadl_epi64((const __m128i*) i6);
360         const __m128i vxi6x01234567 = _mm_cvtepi8_epi16(vi6x01234567);
361         const __m128i vk6x01234567 = _mm_loadl_epi64((const __m128i*) (k + 96));
362         const __m128i vxk6x01234567 = _mm_cvtepi8_epi16(vk6x01234567);
363         i6 += 8;
364 
365 
366         vprod01234567 = _mm_mullo_epi16(vxi6x01234567, vxk6x01234567);
367 
368 
369         const __m128i vi7x01234567 = _mm_loadl_epi64((const __m128i*) i7);
370         const __m128i vxi7x01234567 = _mm_cvtepi8_epi16(vi7x01234567);
371         const __m128i vk7x01234567 = _mm_loadl_epi64((const __m128i*) (k + 112));
372         const __m128i vxk7x01234567 = _mm_cvtepi8_epi16(vk7x01234567);
373         i7 += 8;
374 
375 
376         vprod01234567 = _mm_macc_epi16(vxi7x01234567, vxk7x01234567, vprod01234567);
377 
378         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
379         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
380 
381         const __m128i vi8x01234567 = _mm_loadl_epi64((const __m128i*) i8);
382         const __m128i vxi8x01234567 = _mm_cvtepi8_epi16(vi8x01234567);
383         const __m128i vk8x01234567 = _mm_loadl_epi64((const __m128i*) (k + 128));
384         const __m128i vxk8x01234567 = _mm_cvtepi8_epi16(vk8x01234567);
385         i8 += 8;
386 
387 
388         vprod01234567 = _mm_mullo_epi16(vxi8x01234567, vxk8x01234567);
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         k += 8;
394 
395         __m128 vscaled0123 = _mm_cvtepi32_ps(vacc0123);
396         __m128 vscaled4567 = _mm_cvtepi32_ps(vacc4567);
397 
398         const __m128 vscale = _mm_load_ps(params->fp32_sse4.scale);
399         vscaled0123 = _mm_mul_ps(vscaled0123, vscale);
400         vscaled4567 = _mm_mul_ps(vscaled4567, vscale);
401 
402         const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse4.output_max_less_zero_point);
403         vscaled0123 = _mm_min_ps(vscaled0123, voutput_max_less_zero_point);
404         vscaled4567 = _mm_min_ps(vscaled4567, voutput_max_less_zero_point);
405 
406         vacc0123 = _mm_cvtps_epi32(vscaled0123);
407         vacc4567 = _mm_cvtps_epi32(vscaled4567);
408 
409         w = (const void*) ((const int32_t*) w + 8);
410 
411         const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse4.output_zero_point);
412         __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);
413 
414 
415         __m128i vout0123456701234567 = _mm_packs_epi16(vout01234567, vout01234567);
416 
417         vout0123456701234567 = _mm_max_epi8(vout0123456701234567, _mm_load_si128((const __m128i*) params->fp32_sse4.output_min));
418 
419         if XNN_LIKELY(c >= 8) {
420           _mm_storel_epi64((__m128i*) output, vout0123456701234567);
421           output += 8;
422           c -= 8;
423         } else {
424           if (c & 4) {
425             *((uint32_t*) output) = (uint32_t) _mm_cvtsi128_si32(vout0123456701234567);
426             vout0123456701234567 = _mm_srli_epi64(vout0123456701234567, 32);
427             output += 4;
428           }
429           if (c & 2) {
430             *((uint16_t*) output) = (uint16_t) _mm_extract_epi16(vout0123456701234567, 0);
431             vout0123456701234567 = _mm_srli_epi32(vout0123456701234567, 16);
432             output += 2;
433           }
434           if (c & 1) {
435             *output = (int8_t) _mm_extract_epi8(vout0123456701234567, 0);
436             output += 1;
437           }
438           c = 0;
439         }
440       } while (c != 0);
441     }
442 
443     output = (int8_t*) ((uintptr_t) output + output_increment);
444   } while (--output_width != 0);
445 }
446