xref: /aosp_15_r20/external/XNNPACK/src/qs8-dwconv/gen/up16x9-minmax-fp32-xop-mul16-add16.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 #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 #include <xnnpack/unaligned.h>
21 
22 
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)])23 void xnn_qs8_dwconv_minmax_fp32_ukernel_up16x9__xop_mul16_add16(
24     size_t channels,
25     size_t output_width,
26     const int8_t** input,
27     const void* weights,
28     int8_t* output,
29     size_t input_stride,
30     size_t output_increment,
31     size_t input_offset,
32     const int8_t* zero,
33     const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
34 {
35   assert(channels != 0);
36   assert(output_width != 0);
37 
38   do {
39     const int8_t* i0 = input[0];
40     assert(i0 != NULL);
41     if XNN_UNPREDICTABLE(i0 != zero) {
42       i0 = (const int8_t*) ((uintptr_t) i0 + input_offset);
43     }
44     const int8_t* i1 = input[1];
45     assert(i1 != NULL);
46     if XNN_UNPREDICTABLE(i1 != zero) {
47       i1 = (const int8_t*) ((uintptr_t) i1 + input_offset);
48     }
49     const int8_t* i2 = input[2];
50     assert(i2 != NULL);
51     if XNN_UNPREDICTABLE(i2 != zero) {
52       i2 = (const int8_t*) ((uintptr_t) i2 + input_offset);
53     }
54     const int8_t* i3 = input[3];
55     assert(i3 != NULL);
56     if XNN_UNPREDICTABLE(i3 != zero) {
57       i3 = (const int8_t*) ((uintptr_t) i3 + input_offset);
58     }
59     const int8_t* i4 = input[4];
60     assert(i4 != NULL);
61     if XNN_UNPREDICTABLE(i4 != zero) {
62       i4 = (const int8_t*) ((uintptr_t) i4 + input_offset);
63     }
64     const int8_t* i5 = input[5];
65     assert(i5 != NULL);
66     if XNN_UNPREDICTABLE(i5 != zero) {
67       i5 = (const int8_t*) ((uintptr_t) i5 + input_offset);
68     }
69     const int8_t* i6 = input[6];
70     assert(i6 != NULL);
71     if XNN_UNPREDICTABLE(i6 != zero) {
72       i6 = (const int8_t*) ((uintptr_t) i6 + input_offset);
73     }
74     const int8_t* i7 = input[7];
75     assert(i7 != NULL);
76     if XNN_UNPREDICTABLE(i7 != zero) {
77       i7 = (const int8_t*) ((uintptr_t) i7 + input_offset);
78     }
79     const int8_t* i8 = input[8];
80     assert(i8 != NULL);
81     if XNN_UNPREDICTABLE(i8 != zero) {
82       i8 = (const int8_t*) ((uintptr_t) i8 + input_offset);
83     }
84     input = (const int8_t**) ((uintptr_t) input + input_stride);
85 
86     size_t c = channels;
87     const void* w = weights;
88     for (; c >= 16; c -= 16) {
89       __m128i vacc0123 = _mm_loadu_si128((const __m128i*) w);
90       __m128i vacc4567 = _mm_loadu_si128((const __m128i*) ((const int32_t*) w + 4));
91       __m128i vacc89AB = _mm_loadu_si128((const __m128i*) ((const int32_t*) w + 8));
92       __m128i vaccCDEF = _mm_loadu_si128((const __m128i*) ((const int32_t*) w + 12));
93 
94 
95       const __m128i vi0x01234567 = _mm_loadl_epi64((const __m128i*) i0);
96       const __m128i vxi0x01234567 = _mm_cvtepi8_epi16(vi0x01234567);
97       const __m128i vk0x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 0 * sizeof(int8_t)));
98       const __m128i vxk0x01234567 = _mm_cvtepi8_epi16(vk0x01234567);
99       const __m128i vi0x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i0 + 8));
100       const __m128i vxi0x89ABCDEF = _mm_cvtepi8_epi16(vi0x89ABCDEF);
101       const __m128i vk0x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 8 * sizeof(int8_t)));
102       const __m128i vxk0x89ABCDEF = _mm_cvtepi8_epi16(vk0x89ABCDEF);
103       i0 += 16;
104 
105 
106       __m128i vprod01234567 = _mm_mullo_epi16(vxi0x01234567, vxk0x01234567);
107       __m128i vprod89ABCDEF = _mm_mullo_epi16(vxi0x89ABCDEF, vxk0x89ABCDEF);
108 
109 
110       const __m128i vi1x01234567 = _mm_loadl_epi64((const __m128i*) i1);
111       const __m128i vxi1x01234567 = _mm_cvtepi8_epi16(vi1x01234567);
112       const __m128i vk1x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 16 * sizeof(int8_t)));
113       const __m128i vxk1x01234567 = _mm_cvtepi8_epi16(vk1x01234567);
114       const __m128i vi1x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i1 + 8));
115       const __m128i vxi1x89ABCDEF = _mm_cvtepi8_epi16(vi1x89ABCDEF);
116       const __m128i vk1x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 24 * sizeof(int8_t)));
117       const __m128i vxk1x89ABCDEF = _mm_cvtepi8_epi16(vk1x89ABCDEF);
118       i1 += 16;
119 
120 
121       vprod01234567 = _mm_macc_epi16(vxi1x01234567, vxk1x01234567, vprod01234567);
122       vprod89ABCDEF = _mm_macc_epi16(vxi1x89ABCDEF, vxk1x89ABCDEF, vprod89ABCDEF);
123 
124       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
125       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
126       vacc89AB = _mm_add_epi32(vacc89AB, _mm_cvtepi16_epi32(vprod89ABCDEF));
127       vaccCDEF = _mm_add_epi32(vaccCDEF, _mm_srai_epi32(_mm_unpackhi_epi16(vprod89ABCDEF, vprod89ABCDEF), 16));
128 
129       const __m128i vi2x01234567 = _mm_loadl_epi64((const __m128i*) i2);
130       const __m128i vxi2x01234567 = _mm_cvtepi8_epi16(vi2x01234567);
131       const __m128i vk2x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 32 * sizeof(int8_t)));
132       const __m128i vxk2x01234567 = _mm_cvtepi8_epi16(vk2x01234567);
133       const __m128i vi2x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i2 + 8));
134       const __m128i vxi2x89ABCDEF = _mm_cvtepi8_epi16(vi2x89ABCDEF);
135       const __m128i vk2x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 40 * sizeof(int8_t)));
136       const __m128i vxk2x89ABCDEF = _mm_cvtepi8_epi16(vk2x89ABCDEF);
137       i2 += 16;
138 
139 
140       vprod01234567 = _mm_mullo_epi16(vxi2x01234567, vxk2x01234567);
141       vprod89ABCDEF = _mm_mullo_epi16(vxi2x89ABCDEF, vxk2x89ABCDEF);
142 
143 
144       const __m128i vi3x01234567 = _mm_loadl_epi64((const __m128i*) i3);
145       const __m128i vxi3x01234567 = _mm_cvtepi8_epi16(vi3x01234567);
146       const __m128i vk3x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 48 * sizeof(int8_t)));
147       const __m128i vxk3x01234567 = _mm_cvtepi8_epi16(vk3x01234567);
148       const __m128i vi3x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i3 + 8));
149       const __m128i vxi3x89ABCDEF = _mm_cvtepi8_epi16(vi3x89ABCDEF);
150       const __m128i vk3x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 56 * sizeof(int8_t)));
151       const __m128i vxk3x89ABCDEF = _mm_cvtepi8_epi16(vk3x89ABCDEF);
152       i3 += 16;
153 
154 
155       vprod01234567 = _mm_macc_epi16(vxi3x01234567, vxk3x01234567, vprod01234567);
156       vprod89ABCDEF = _mm_macc_epi16(vxi3x89ABCDEF, vxk3x89ABCDEF, vprod89ABCDEF);
157 
158       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
159       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
160       vacc89AB = _mm_add_epi32(vacc89AB, _mm_cvtepi16_epi32(vprod89ABCDEF));
161       vaccCDEF = _mm_add_epi32(vaccCDEF, _mm_srai_epi32(_mm_unpackhi_epi16(vprod89ABCDEF, vprod89ABCDEF), 16));
162 
163       const __m128i vi4x01234567 = _mm_loadl_epi64((const __m128i*) i4);
164       const __m128i vxi4x01234567 = _mm_cvtepi8_epi16(vi4x01234567);
165       const __m128i vk4x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 64 * sizeof(int8_t)));
166       const __m128i vxk4x01234567 = _mm_cvtepi8_epi16(vk4x01234567);
167       const __m128i vi4x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i4 + 8));
168       const __m128i vxi4x89ABCDEF = _mm_cvtepi8_epi16(vi4x89ABCDEF);
169       const __m128i vk4x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 72 * sizeof(int8_t)));
170       const __m128i vxk4x89ABCDEF = _mm_cvtepi8_epi16(vk4x89ABCDEF);
171       i4 += 16;
172 
173 
174       vprod01234567 = _mm_mullo_epi16(vxi4x01234567, vxk4x01234567);
175       vprod89ABCDEF = _mm_mullo_epi16(vxi4x89ABCDEF, vxk4x89ABCDEF);
176 
177 
178       const __m128i vi5x01234567 = _mm_loadl_epi64((const __m128i*) i5);
179       const __m128i vxi5x01234567 = _mm_cvtepi8_epi16(vi5x01234567);
180       const __m128i vk5x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 80 * sizeof(int8_t)));
181       const __m128i vxk5x01234567 = _mm_cvtepi8_epi16(vk5x01234567);
182       const __m128i vi5x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i5 + 8));
183       const __m128i vxi5x89ABCDEF = _mm_cvtepi8_epi16(vi5x89ABCDEF);
184       const __m128i vk5x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 88 * sizeof(int8_t)));
185       const __m128i vxk5x89ABCDEF = _mm_cvtepi8_epi16(vk5x89ABCDEF);
186       i5 += 16;
187 
188 
189       vprod01234567 = _mm_macc_epi16(vxi5x01234567, vxk5x01234567, vprod01234567);
190       vprod89ABCDEF = _mm_macc_epi16(vxi5x89ABCDEF, vxk5x89ABCDEF, vprod89ABCDEF);
191 
192       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
193       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
194       vacc89AB = _mm_add_epi32(vacc89AB, _mm_cvtepi16_epi32(vprod89ABCDEF));
195       vaccCDEF = _mm_add_epi32(vaccCDEF, _mm_srai_epi32(_mm_unpackhi_epi16(vprod89ABCDEF, vprod89ABCDEF), 16));
196 
197       const __m128i vi6x01234567 = _mm_loadl_epi64((const __m128i*) i6);
198       const __m128i vxi6x01234567 = _mm_cvtepi8_epi16(vi6x01234567);
199       const __m128i vk6x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 96 * sizeof(int8_t)));
200       const __m128i vxk6x01234567 = _mm_cvtepi8_epi16(vk6x01234567);
201       const __m128i vi6x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i6 + 8));
202       const __m128i vxi6x89ABCDEF = _mm_cvtepi8_epi16(vi6x89ABCDEF);
203       const __m128i vk6x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 104 * sizeof(int8_t)));
204       const __m128i vxk6x89ABCDEF = _mm_cvtepi8_epi16(vk6x89ABCDEF);
205       i6 += 16;
206 
207 
208       vprod01234567 = _mm_mullo_epi16(vxi6x01234567, vxk6x01234567);
209       vprod89ABCDEF = _mm_mullo_epi16(vxi6x89ABCDEF, vxk6x89ABCDEF);
210 
211 
212       const __m128i vi7x01234567 = _mm_loadl_epi64((const __m128i*) i7);
213       const __m128i vxi7x01234567 = _mm_cvtepi8_epi16(vi7x01234567);
214       const __m128i vk7x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 112 * sizeof(int8_t)));
215       const __m128i vxk7x01234567 = _mm_cvtepi8_epi16(vk7x01234567);
216       const __m128i vi7x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i7 + 8));
217       const __m128i vxi7x89ABCDEF = _mm_cvtepi8_epi16(vi7x89ABCDEF);
218       const __m128i vk7x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 120 * sizeof(int8_t)));
219       const __m128i vxk7x89ABCDEF = _mm_cvtepi8_epi16(vk7x89ABCDEF);
220       i7 += 16;
221 
222 
223       vprod01234567 = _mm_macc_epi16(vxi7x01234567, vxk7x01234567, vprod01234567);
224       vprod89ABCDEF = _mm_macc_epi16(vxi7x89ABCDEF, vxk7x89ABCDEF, vprod89ABCDEF);
225 
226       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
227       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
228       vacc89AB = _mm_add_epi32(vacc89AB, _mm_cvtepi16_epi32(vprod89ABCDEF));
229       vaccCDEF = _mm_add_epi32(vaccCDEF, _mm_srai_epi32(_mm_unpackhi_epi16(vprod89ABCDEF, vprod89ABCDEF), 16));
230 
231       const __m128i vi8x01234567 = _mm_loadl_epi64((const __m128i*) i8);
232       const __m128i vxi8x01234567 = _mm_cvtepi8_epi16(vi8x01234567);
233       const __m128i vk8x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 128 * sizeof(int8_t)));
234       const __m128i vxk8x01234567 = _mm_cvtepi8_epi16(vk8x01234567);
235       const __m128i vi8x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i8 + 8));
236       const __m128i vxi8x89ABCDEF = _mm_cvtepi8_epi16(vi8x89ABCDEF);
237       const __m128i vk8x89ABCDEF = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 136 * sizeof(int8_t)));
238       const __m128i vxk8x89ABCDEF = _mm_cvtepi8_epi16(vk8x89ABCDEF);
239       i8 += 16;
240 
241 
242       vprod01234567 = _mm_mullo_epi16(vxi8x01234567, vxk8x01234567);
243       vprod89ABCDEF = _mm_mullo_epi16(vxi8x89ABCDEF, vxk8x89ABCDEF);
244 
245       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
246       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
247       vacc89AB = _mm_add_epi32(vacc89AB, _mm_cvtepi16_epi32(vprod89ABCDEF));
248       vaccCDEF = _mm_add_epi32(vaccCDEF, _mm_srai_epi32(_mm_unpackhi_epi16(vprod89ABCDEF, vprod89ABCDEF), 16));
249 
250       w = (const void*) ((uintptr_t) w + 16 * sizeof(int32_t) + 144 * sizeof(int8_t));
251 
252       __m128 vscaled0123 = _mm_cvtepi32_ps(vacc0123);
253       __m128 vscaled4567 = _mm_cvtepi32_ps(vacc4567);
254       __m128 vscaled89AB = _mm_cvtepi32_ps(vacc89AB);
255       __m128 vscaledCDEF = _mm_cvtepi32_ps(vaccCDEF);
256 
257       const __m128 vscale = _mm_load_ps(params->fp32_sse4.scale);
258       vscaled0123 = _mm_mul_ps(vscaled0123, vscale);
259       vscaled4567 = _mm_mul_ps(vscaled4567, vscale);
260       vscaled89AB = _mm_mul_ps(vscaled89AB, vscale);
261       vscaledCDEF = _mm_mul_ps(vscaledCDEF, vscale);
262 
263       const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse4.output_max_less_zero_point);
264       vscaled0123 = _mm_min_ps(vscaled0123, voutput_max_less_zero_point);
265       vscaled4567 = _mm_min_ps(vscaled4567, voutput_max_less_zero_point);
266       vscaled89AB = _mm_min_ps(vscaled89AB, voutput_max_less_zero_point);
267       vscaledCDEF = _mm_min_ps(vscaledCDEF, voutput_max_less_zero_point);
268 
269       vacc0123 = _mm_cvtps_epi32(vscaled0123);
270       vacc4567 = _mm_cvtps_epi32(vscaled4567);
271       vacc89AB = _mm_cvtps_epi32(vscaled89AB);
272       vaccCDEF = _mm_cvtps_epi32(vscaledCDEF);
273 
274       const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse4.output_zero_point);
275       __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);
276       __m128i vout89ABCDEF = _mm_adds_epi16(_mm_packs_epi32(vacc89AB, vaccCDEF), voutput_zero_point);
277 
278 
279       __m128i vout0123456789ABCDEF = _mm_packs_epi16(vout01234567, vout89ABCDEF);
280 
281       const __m128i voutput_min = _mm_load_si128((const __m128i*) params->fp32_sse4.output_min);
282       vout0123456789ABCDEF = _mm_max_epi8(vout0123456789ABCDEF, voutput_min);
283 
284       _mm_storeu_si128((__m128i*) output, vout0123456789ABCDEF);
285       output += 16;
286     }
287     if XNN_UNLIKELY(c != 0) {
288       const int8_t* k = (const int8_t*) ((const int32_t*) w + 16);
289       do {
290         __m128i vacc0123 = _mm_loadu_si128((const __m128i*) w);
291         __m128i vacc4567 = _mm_loadu_si128((const __m128i*) ((const int32_t*) w + 4));
292 
293 
294         const __m128i vi0x01234567 = _mm_loadl_epi64((const __m128i*) i0);
295         const __m128i vxi0x01234567 = _mm_cvtepi8_epi16(vi0x01234567);
296         const __m128i vk0x01234567 = _mm_loadl_epi64((const __m128i*) k);
297         const __m128i vxk0x01234567 = _mm_cvtepi8_epi16(vk0x01234567);
298         i0 += 8;
299 
300 
301         __m128i vprod01234567 = _mm_mullo_epi16(vxi0x01234567, vxk0x01234567);
302 
303 
304         const __m128i vi1x01234567 = _mm_loadl_epi64((const __m128i*) i1);
305         const __m128i vxi1x01234567 = _mm_cvtepi8_epi16(vi1x01234567);
306         const __m128i vk1x01234567 = _mm_loadl_epi64((const __m128i*) (k + 16));
307         const __m128i vxk1x01234567 = _mm_cvtepi8_epi16(vk1x01234567);
308         i1 += 8;
309 
310 
311         vprod01234567 = _mm_macc_epi16(vxi1x01234567, vxk1x01234567, vprod01234567);
312 
313         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
314         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
315 
316         const __m128i vi2x01234567 = _mm_loadl_epi64((const __m128i*) i2);
317         const __m128i vxi2x01234567 = _mm_cvtepi8_epi16(vi2x01234567);
318         const __m128i vk2x01234567 = _mm_loadl_epi64((const __m128i*) (k + 32));
319         const __m128i vxk2x01234567 = _mm_cvtepi8_epi16(vk2x01234567);
320         i2 += 8;
321 
322 
323         vprod01234567 = _mm_mullo_epi16(vxi2x01234567, vxk2x01234567);
324 
325 
326         const __m128i vi3x01234567 = _mm_loadl_epi64((const __m128i*) i3);
327         const __m128i vxi3x01234567 = _mm_cvtepi8_epi16(vi3x01234567);
328         const __m128i vk3x01234567 = _mm_loadl_epi64((const __m128i*) (k + 48));
329         const __m128i vxk3x01234567 = _mm_cvtepi8_epi16(vk3x01234567);
330         i3 += 8;
331 
332 
333         vprod01234567 = _mm_macc_epi16(vxi3x01234567, vxk3x01234567, vprod01234567);
334 
335         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
336         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
337 
338         const __m128i vi4x01234567 = _mm_loadl_epi64((const __m128i*) i4);
339         const __m128i vxi4x01234567 = _mm_cvtepi8_epi16(vi4x01234567);
340         const __m128i vk4x01234567 = _mm_loadl_epi64((const __m128i*) (k + 64));
341         const __m128i vxk4x01234567 = _mm_cvtepi8_epi16(vk4x01234567);
342         i4 += 8;
343 
344 
345         vprod01234567 = _mm_mullo_epi16(vxi4x01234567, vxk4x01234567);
346 
347 
348         const __m128i vi5x01234567 = _mm_loadl_epi64((const __m128i*) i5);
349         const __m128i vxi5x01234567 = _mm_cvtepi8_epi16(vi5x01234567);
350         const __m128i vk5x01234567 = _mm_loadl_epi64((const __m128i*) (k + 80));
351         const __m128i vxk5x01234567 = _mm_cvtepi8_epi16(vk5x01234567);
352         i5 += 8;
353 
354 
355         vprod01234567 = _mm_macc_epi16(vxi5x01234567, vxk5x01234567, vprod01234567);
356 
357         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
358         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
359 
360         const __m128i vi6x01234567 = _mm_loadl_epi64((const __m128i*) i6);
361         const __m128i vxi6x01234567 = _mm_cvtepi8_epi16(vi6x01234567);
362         const __m128i vk6x01234567 = _mm_loadl_epi64((const __m128i*) (k + 96));
363         const __m128i vxk6x01234567 = _mm_cvtepi8_epi16(vk6x01234567);
364         i6 += 8;
365 
366 
367         vprod01234567 = _mm_mullo_epi16(vxi6x01234567, vxk6x01234567);
368 
369 
370         const __m128i vi7x01234567 = _mm_loadl_epi64((const __m128i*) i7);
371         const __m128i vxi7x01234567 = _mm_cvtepi8_epi16(vi7x01234567);
372         const __m128i vk7x01234567 = _mm_loadl_epi64((const __m128i*) (k + 112));
373         const __m128i vxk7x01234567 = _mm_cvtepi8_epi16(vk7x01234567);
374         i7 += 8;
375 
376 
377         vprod01234567 = _mm_macc_epi16(vxi7x01234567, vxk7x01234567, vprod01234567);
378 
379         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
380         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
381 
382         const __m128i vi8x01234567 = _mm_loadl_epi64((const __m128i*) i8);
383         const __m128i vxi8x01234567 = _mm_cvtepi8_epi16(vi8x01234567);
384         const __m128i vk8x01234567 = _mm_loadl_epi64((const __m128i*) (k + 128));
385         const __m128i vxk8x01234567 = _mm_cvtepi8_epi16(vk8x01234567);
386         i8 += 8;
387 
388 
389         vprod01234567 = _mm_mullo_epi16(vxi8x01234567, vxk8x01234567);
390 
391         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
392         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
393 
394         k += 8;
395 
396         __m128 vscaled0123 = _mm_cvtepi32_ps(vacc0123);
397         __m128 vscaled4567 = _mm_cvtepi32_ps(vacc4567);
398 
399         const __m128 vscale = _mm_load_ps(params->fp32_sse4.scale);
400         vscaled0123 = _mm_mul_ps(vscaled0123, vscale);
401         vscaled4567 = _mm_mul_ps(vscaled4567, vscale);
402 
403         const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse4.output_max_less_zero_point);
404         vscaled0123 = _mm_min_ps(vscaled0123, voutput_max_less_zero_point);
405         vscaled4567 = _mm_min_ps(vscaled4567, voutput_max_less_zero_point);
406 
407         vacc0123 = _mm_cvtps_epi32(vscaled0123);
408         vacc4567 = _mm_cvtps_epi32(vscaled4567);
409 
410         w = (const void*) ((const int32_t*) w + 8);
411 
412         const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse4.output_zero_point);
413         __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);
414 
415 
416         __m128i vout0123456701234567 = _mm_packs_epi16(vout01234567, vout01234567);
417 
418         vout0123456701234567 = _mm_max_epi8(vout0123456701234567, _mm_load_si128((const __m128i*) params->fp32_sse4.output_min));
419 
420         if XNN_LIKELY(c >= 8) {
421           _mm_storel_epi64((__m128i*) output, vout0123456701234567);
422           output += 8;
423           c -= 8;
424         } else {
425           if (c & 4) {
426             unaligned_store_u32(output, (uint32_t) _mm_cvtsi128_si32(vout0123456701234567));
427             vout0123456701234567 = _mm_srli_epi64(vout0123456701234567, 32);
428             output += 4;
429           }
430           if (c & 2) {
431             unaligned_store_u16(output, (uint16_t) _mm_extract_epi16(vout0123456701234567, 0));
432             vout0123456701234567 = _mm_srli_epi32(vout0123456701234567, 16);
433             output += 2;
434           }
435           if (c & 1) {
436             *output = (int8_t) _mm_extract_epi8(vout0123456701234567, 0);
437             output += 1;
438           }
439           c = 0;
440         }
441       } while (c != 0);
442     }
443 
444     output = (int8_t*) ((uintptr_t) output + output_increment);
445   } while (--output_width != 0);
446 }
447