xref: /aosp_15_r20/external/XNNPACK/src/qu8-dwconv/gen/up16x9-minmax-fp32-xop-mul32.c (revision 4bdc94577ba0e567308109d787f7fec7b531ce36)
1 // Auto-generated file. Do not edit!
2 //   Template: src/qs8-dwconv/unipass-sse-mul32.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/intrinsics-polyfill.h>
21 #include <xnnpack/unaligned.h>
22 
23 
xnn_qu8_dwconv_minmax_fp32_ukernel_up16x9__xop_mul32(size_t channels,size_t output_width,const uint8_t ** input,const void * weights,uint8_t * output,size_t input_stride,size_t output_increment,size_t input_offset,const uint8_t * zero,const union xnn_qu8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])24 void xnn_qu8_dwconv_minmax_fp32_ukernel_up16x9__xop_mul32(
25     size_t channels,
26     size_t output_width,
27     const uint8_t** input,
28     const void* weights,
29     uint8_t* output,
30     size_t input_stride,
31     size_t output_increment,
32     size_t input_offset,
33     const uint8_t* zero,
34     const union xnn_qu8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
35 {
36   assert(channels != 0);
37   assert(output_width != 0);
38 
39   const __m128i vk_zero_point = _mm_cvtepu16_epi32(_mm_loadl_epi64((const __m128i*) params->fp32_sse2.kernel_zero_point));
40   do {
41     const uint8_t* i0 = input[0];
42     assert(i0 != NULL);
43     if XNN_UNPREDICTABLE(i0 != zero) {
44       i0 = (const uint8_t*) ((uintptr_t) i0 + input_offset);
45     }
46     const uint8_t* i1 = input[1];
47     assert(i1 != NULL);
48     if XNN_UNPREDICTABLE(i1 != zero) {
49       i1 = (const uint8_t*) ((uintptr_t) i1 + input_offset);
50     }
51     const uint8_t* i2 = input[2];
52     assert(i2 != NULL);
53     if XNN_UNPREDICTABLE(i2 != zero) {
54       i2 = (const uint8_t*) ((uintptr_t) i2 + input_offset);
55     }
56     const uint8_t* i3 = input[3];
57     assert(i3 != NULL);
58     if XNN_UNPREDICTABLE(i3 != zero) {
59       i3 = (const uint8_t*) ((uintptr_t) i3 + input_offset);
60     }
61     const uint8_t* i4 = input[4];
62     assert(i4 != NULL);
63     if XNN_UNPREDICTABLE(i4 != zero) {
64       i4 = (const uint8_t*) ((uintptr_t) i4 + input_offset);
65     }
66     const uint8_t* i5 = input[5];
67     assert(i5 != NULL);
68     if XNN_UNPREDICTABLE(i5 != zero) {
69       i5 = (const uint8_t*) ((uintptr_t) i5 + input_offset);
70     }
71     const uint8_t* i6 = input[6];
72     assert(i6 != NULL);
73     if XNN_UNPREDICTABLE(i6 != zero) {
74       i6 = (const uint8_t*) ((uintptr_t) i6 + input_offset);
75     }
76     const uint8_t* i7 = input[7];
77     assert(i7 != NULL);
78     if XNN_UNPREDICTABLE(i7 != zero) {
79       i7 = (const uint8_t*) ((uintptr_t) i7 + input_offset);
80     }
81     const uint8_t* i8 = input[8];
82     assert(i8 != NULL);
83     if XNN_UNPREDICTABLE(i8 != zero) {
84       i8 = (const uint8_t*) ((uintptr_t) i8 + input_offset);
85     }
86     input = (const uint8_t**) ((uintptr_t) input + input_stride);
87 
88     size_t c = channels;
89     const void* w = weights;
90     for (; c >= 16; c -= 16) {
91       __m128i vacc0123 = _mm_loadu_si128((const __m128i*) w);
92       __m128i vacc4567 = _mm_loadu_si128((const __m128i*) ((const int32_t*) w + 4));
93       __m128i vacc89AB = _mm_loadu_si128((const __m128i*) ((const int32_t*) w + 8));
94       __m128i vaccCDEF = _mm_loadu_si128((const __m128i*) ((const int32_t*) w + 12));
95 
96 
97       const __m128i vi0x0123 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i0)));
98       const __m128i vk0x0123 = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 0 * sizeof(uint8_t))))), vk_zero_point);
99       const __m128i vi0x4567 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i0 + 4)));
100       const __m128i vk0x4567 = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 4 * sizeof(uint8_t))))), vk_zero_point);
101       const __m128i vi0x89AB = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i0 + 8)));
102       const __m128i vk0x89AB = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 8 * sizeof(uint8_t))))), vk_zero_point);
103       const __m128i vi0xCDEF = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i0 + 12)));
104       const __m128i vk0xCDEF = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 12 * sizeof(uint8_t))))), vk_zero_point);
105       i0 += 16;
106 
107       vacc0123 = _mm_macc_epi32(vi0x0123, vk0x0123, vacc0123);
108       vacc4567 = _mm_macc_epi32(vi0x4567, vk0x4567, vacc4567);
109       vacc89AB = _mm_macc_epi32(vi0x89AB, vk0x89AB, vacc89AB);
110       vaccCDEF = _mm_macc_epi32(vi0xCDEF, vk0xCDEF, vaccCDEF);
111 
112       const __m128i vi1x0123 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i1)));
113       const __m128i vk1x0123 = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 16 * sizeof(uint8_t))))), vk_zero_point);
114       const __m128i vi1x4567 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i1 + 4)));
115       const __m128i vk1x4567 = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 20 * sizeof(uint8_t))))), vk_zero_point);
116       const __m128i vi1x89AB = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i1 + 8)));
117       const __m128i vk1x89AB = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 24 * sizeof(uint8_t))))), vk_zero_point);
118       const __m128i vi1xCDEF = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i1 + 12)));
119       const __m128i vk1xCDEF = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 28 * sizeof(uint8_t))))), vk_zero_point);
120       i1 += 16;
121 
122       vacc0123 = _mm_macc_epi32(vi1x0123, vk1x0123, vacc0123);
123       vacc4567 = _mm_macc_epi32(vi1x4567, vk1x4567, vacc4567);
124       vacc89AB = _mm_macc_epi32(vi1x89AB, vk1x89AB, vacc89AB);
125       vaccCDEF = _mm_macc_epi32(vi1xCDEF, vk1xCDEF, vaccCDEF);
126 
127       const __m128i vi2x0123 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i2)));
128       const __m128i vk2x0123 = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 32 * sizeof(uint8_t))))), vk_zero_point);
129       const __m128i vi2x4567 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i2 + 4)));
130       const __m128i vk2x4567 = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 36 * sizeof(uint8_t))))), vk_zero_point);
131       const __m128i vi2x89AB = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i2 + 8)));
132       const __m128i vk2x89AB = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 40 * sizeof(uint8_t))))), vk_zero_point);
133       const __m128i vi2xCDEF = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i2 + 12)));
134       const __m128i vk2xCDEF = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 44 * sizeof(uint8_t))))), vk_zero_point);
135       i2 += 16;
136 
137       vacc0123 = _mm_macc_epi32(vi2x0123, vk2x0123, vacc0123);
138       vacc4567 = _mm_macc_epi32(vi2x4567, vk2x4567, vacc4567);
139       vacc89AB = _mm_macc_epi32(vi2x89AB, vk2x89AB, vacc89AB);
140       vaccCDEF = _mm_macc_epi32(vi2xCDEF, vk2xCDEF, vaccCDEF);
141 
142       const __m128i vi3x0123 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i3)));
143       const __m128i vk3x0123 = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 48 * sizeof(uint8_t))))), vk_zero_point);
144       const __m128i vi3x4567 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i3 + 4)));
145       const __m128i vk3x4567 = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 52 * sizeof(uint8_t))))), vk_zero_point);
146       const __m128i vi3x89AB = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i3 + 8)));
147       const __m128i vk3x89AB = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 56 * sizeof(uint8_t))))), vk_zero_point);
148       const __m128i vi3xCDEF = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i3 + 12)));
149       const __m128i vk3xCDEF = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 60 * sizeof(uint8_t))))), vk_zero_point);
150       i3 += 16;
151 
152       vacc0123 = _mm_macc_epi32(vi3x0123, vk3x0123, vacc0123);
153       vacc4567 = _mm_macc_epi32(vi3x4567, vk3x4567, vacc4567);
154       vacc89AB = _mm_macc_epi32(vi3x89AB, vk3x89AB, vacc89AB);
155       vaccCDEF = _mm_macc_epi32(vi3xCDEF, vk3xCDEF, vaccCDEF);
156 
157       const __m128i vi4x0123 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i4)));
158       const __m128i vk4x0123 = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 64 * sizeof(uint8_t))))), vk_zero_point);
159       const __m128i vi4x4567 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i4 + 4)));
160       const __m128i vk4x4567 = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 68 * sizeof(uint8_t))))), vk_zero_point);
161       const __m128i vi4x89AB = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i4 + 8)));
162       const __m128i vk4x89AB = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 72 * sizeof(uint8_t))))), vk_zero_point);
163       const __m128i vi4xCDEF = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i4 + 12)));
164       const __m128i vk4xCDEF = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 76 * sizeof(uint8_t))))), vk_zero_point);
165       i4 += 16;
166 
167       vacc0123 = _mm_macc_epi32(vi4x0123, vk4x0123, vacc0123);
168       vacc4567 = _mm_macc_epi32(vi4x4567, vk4x4567, vacc4567);
169       vacc89AB = _mm_macc_epi32(vi4x89AB, vk4x89AB, vacc89AB);
170       vaccCDEF = _mm_macc_epi32(vi4xCDEF, vk4xCDEF, vaccCDEF);
171 
172       const __m128i vi5x0123 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i5)));
173       const __m128i vk5x0123 = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 80 * sizeof(uint8_t))))), vk_zero_point);
174       const __m128i vi5x4567 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i5 + 4)));
175       const __m128i vk5x4567 = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 84 * sizeof(uint8_t))))), vk_zero_point);
176       const __m128i vi5x89AB = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i5 + 8)));
177       const __m128i vk5x89AB = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 88 * sizeof(uint8_t))))), vk_zero_point);
178       const __m128i vi5xCDEF = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i5 + 12)));
179       const __m128i vk5xCDEF = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 92 * sizeof(uint8_t))))), vk_zero_point);
180       i5 += 16;
181 
182       vacc0123 = _mm_macc_epi32(vi5x0123, vk5x0123, vacc0123);
183       vacc4567 = _mm_macc_epi32(vi5x4567, vk5x4567, vacc4567);
184       vacc89AB = _mm_macc_epi32(vi5x89AB, vk5x89AB, vacc89AB);
185       vaccCDEF = _mm_macc_epi32(vi5xCDEF, vk5xCDEF, vaccCDEF);
186 
187       const __m128i vi6x0123 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i6)));
188       const __m128i vk6x0123 = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 96 * sizeof(uint8_t))))), vk_zero_point);
189       const __m128i vi6x4567 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i6 + 4)));
190       const __m128i vk6x4567 = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 100 * sizeof(uint8_t))))), vk_zero_point);
191       const __m128i vi6x89AB = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i6 + 8)));
192       const __m128i vk6x89AB = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 104 * sizeof(uint8_t))))), vk_zero_point);
193       const __m128i vi6xCDEF = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i6 + 12)));
194       const __m128i vk6xCDEF = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 108 * sizeof(uint8_t))))), vk_zero_point);
195       i6 += 16;
196 
197       vacc0123 = _mm_macc_epi32(vi6x0123, vk6x0123, vacc0123);
198       vacc4567 = _mm_macc_epi32(vi6x4567, vk6x4567, vacc4567);
199       vacc89AB = _mm_macc_epi32(vi6x89AB, vk6x89AB, vacc89AB);
200       vaccCDEF = _mm_macc_epi32(vi6xCDEF, vk6xCDEF, vaccCDEF);
201 
202       const __m128i vi7x0123 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i7)));
203       const __m128i vk7x0123 = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 112 * sizeof(uint8_t))))), vk_zero_point);
204       const __m128i vi7x4567 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i7 + 4)));
205       const __m128i vk7x4567 = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 116 * sizeof(uint8_t))))), vk_zero_point);
206       const __m128i vi7x89AB = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i7 + 8)));
207       const __m128i vk7x89AB = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 120 * sizeof(uint8_t))))), vk_zero_point);
208       const __m128i vi7xCDEF = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i7 + 12)));
209       const __m128i vk7xCDEF = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 124 * sizeof(uint8_t))))), vk_zero_point);
210       i7 += 16;
211 
212       vacc0123 = _mm_macc_epi32(vi7x0123, vk7x0123, vacc0123);
213       vacc4567 = _mm_macc_epi32(vi7x4567, vk7x4567, vacc4567);
214       vacc89AB = _mm_macc_epi32(vi7x89AB, vk7x89AB, vacc89AB);
215       vaccCDEF = _mm_macc_epi32(vi7xCDEF, vk7xCDEF, vaccCDEF);
216 
217       const __m128i vi8x0123 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i8)));
218       const __m128i vk8x0123 = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 128 * sizeof(uint8_t))))), vk_zero_point);
219       const __m128i vi8x4567 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i8 + 4)));
220       const __m128i vk8x4567 = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 132 * sizeof(uint8_t))))), vk_zero_point);
221       const __m128i vi8x89AB = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i8 + 8)));
222       const __m128i vk8x89AB = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 136 * sizeof(uint8_t))))), vk_zero_point);
223       const __m128i vi8xCDEF = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i8 + 12)));
224       const __m128i vk8xCDEF = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) ((uintptr_t) w + 16 * sizeof(int32_t) + 140 * sizeof(uint8_t))))), vk_zero_point);
225       i8 += 16;
226 
227       vacc0123 = _mm_macc_epi32(vi8x0123, vk8x0123, vacc0123);
228       vacc4567 = _mm_macc_epi32(vi8x4567, vk8x4567, vacc4567);
229       vacc89AB = _mm_macc_epi32(vi8x89AB, vk8x89AB, vacc89AB);
230       vaccCDEF = _mm_macc_epi32(vi8xCDEF, vk8xCDEF, vaccCDEF);
231 
232       w = (const void*) ((uintptr_t) w + 16 * sizeof(int32_t) + 144 * sizeof(uint8_t));
233 
234       __m128 vscaled0123 = _mm_cvtepi32_ps(vacc0123);
235       __m128 vscaled4567 = _mm_cvtepi32_ps(vacc4567);
236       __m128 vscaled89AB = _mm_cvtepi32_ps(vacc89AB);
237       __m128 vscaledCDEF = _mm_cvtepi32_ps(vaccCDEF);
238 
239       const __m128 vscale = _mm_load_ps(params->fp32_sse2.scale);
240       vscaled0123 = _mm_mul_ps(vscaled0123, vscale);
241       vscaled4567 = _mm_mul_ps(vscaled4567, vscale);
242       vscaled89AB = _mm_mul_ps(vscaled89AB, vscale);
243       vscaledCDEF = _mm_mul_ps(vscaledCDEF, vscale);
244 
245       const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse2.output_max_less_zero_point);
246       vscaled0123 = _mm_min_ps(vscaled0123, voutput_max_less_zero_point);
247       vscaled4567 = _mm_min_ps(vscaled4567, voutput_max_less_zero_point);
248       vscaled89AB = _mm_min_ps(vscaled89AB, voutput_max_less_zero_point);
249       vscaledCDEF = _mm_min_ps(vscaledCDEF, voutput_max_less_zero_point);
250 
251       vacc0123 = _mm_cvtps_epi32(vscaled0123);
252       vacc4567 = _mm_cvtps_epi32(vscaled4567);
253       vacc89AB = _mm_cvtps_epi32(vscaled89AB);
254       vaccCDEF = _mm_cvtps_epi32(vscaledCDEF);
255 
256       const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse2.output_zero_point);
257       __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);
258       __m128i vout89ABCDEF = _mm_adds_epi16(_mm_packs_epi32(vacc89AB, vaccCDEF), voutput_zero_point);
259 
260       const __m128i voutput_min = _mm_load_si128((const __m128i*) params->fp32_sse2.output_min);
261       __m128i vout0123456789ABCDEF = _mm_packus_epi16(vout01234567, vout89ABCDEF);
262       vout0123456789ABCDEF = _mm_max_epu8(vout0123456789ABCDEF, voutput_min);
263 
264       _mm_storeu_si128((__m128i*) output, vout0123456789ABCDEF);
265       output += 16;
266     }
267     if XNN_UNLIKELY(c != 0) {
268       const uint8_t* k = (const uint8_t*) ((const int32_t*) w + 16);
269       do {
270         __m128i vacc0123 = _mm_loadu_si128((const __m128i*) w);
271 
272         const __m128i vi0x0123 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i0)));
273         const __m128i vk0x0123 = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) k))), vk_zero_point);
274         i0 += 4;
275 
276         vacc0123 = _mm_macc_epi32(vi0x0123, vk0x0123, vacc0123);
277         const __m128i vi1x0123 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i1)));
278         const __m128i vk1x0123 = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) (k + 16)))), vk_zero_point);
279         i1 += 4;
280 
281         vacc0123 = _mm_macc_epi32(vi1x0123, vk1x0123, vacc0123);
282         const __m128i vi2x0123 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i2)));
283         const __m128i vk2x0123 = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) (k + 32)))), vk_zero_point);
284         i2 += 4;
285 
286         vacc0123 = _mm_macc_epi32(vi2x0123, vk2x0123, vacc0123);
287         const __m128i vi3x0123 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i3)));
288         const __m128i vk3x0123 = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) (k + 48)))), vk_zero_point);
289         i3 += 4;
290 
291         vacc0123 = _mm_macc_epi32(vi3x0123, vk3x0123, vacc0123);
292         const __m128i vi4x0123 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i4)));
293         const __m128i vk4x0123 = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) (k + 64)))), vk_zero_point);
294         i4 += 4;
295 
296         vacc0123 = _mm_macc_epi32(vi4x0123, vk4x0123, vacc0123);
297         const __m128i vi5x0123 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i5)));
298         const __m128i vk5x0123 = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) (k + 80)))), vk_zero_point);
299         i5 += 4;
300 
301         vacc0123 = _mm_macc_epi32(vi5x0123, vk5x0123, vacc0123);
302         const __m128i vi6x0123 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i6)));
303         const __m128i vk6x0123 = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) (k + 96)))), vk_zero_point);
304         i6 += 4;
305 
306         vacc0123 = _mm_macc_epi32(vi6x0123, vk6x0123, vacc0123);
307         const __m128i vi7x0123 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i7)));
308         const __m128i vk7x0123 = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) (k + 112)))), vk_zero_point);
309         i7 += 4;
310 
311         vacc0123 = _mm_macc_epi32(vi7x0123, vk7x0123, vacc0123);
312         const __m128i vi8x0123 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(i8)));
313         const __m128i vk8x0123 = _mm_sub_epi32(_mm_cvtepu8_epi32(_mm_cvtsi32_si128(*((const int*) (k + 128)))), vk_zero_point);
314         i8 += 4;
315 
316         vacc0123 = _mm_macc_epi32(vi8x0123, vk8x0123, vacc0123);
317 
318         k += 4;
319 
320         __m128 vscaled0123 = _mm_cvtepi32_ps(vacc0123);
321         vscaled0123 = _mm_mul_ps(vscaled0123, _mm_load_ps(params->fp32_sse2.scale));
322         vscaled0123 = _mm_min_ps(vscaled0123, _mm_load_ps(params->fp32_sse2.output_max_less_zero_point));
323         vacc0123 = _mm_cvtps_epi32(vscaled0123);
324 
325         w = (const void*) ((const int32_t*) w + 4);
326 
327         const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse2.output_zero_point);
328         __m128i vout0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc0123), voutput_zero_point);
329 
330         vout0123 = _mm_packus_epi16(vout0123, vout0123);
331         vout0123 = _mm_max_epu8(vout0123, _mm_load_si128((const __m128i*) params->fp32_sse2.output_min));
332 
333         if XNN_LIKELY(c >= 4) {
334           _mm_storeu_si32(output, vout0123);
335           output += 4;
336           c -= 4;
337         } else {
338           if (c & 2) {
339             unaligned_store_u16(output, (uint16_t) _mm_extract_epi16(vout0123, 0));
340             vout0123 = _mm_srli_epi32(vout0123, 16);
341             output += 2;
342           }
343           if (c & 1) {
344             *output = (uint8_t) _mm_extract_epi8(vout0123, 0);
345             output += 1;
346           }
347           c = 0;
348         }
349       } while (c != 0);
350     }
351 
352     output = (uint8_t*) ((uintptr_t) output + output_increment);
353   } while (--output_width != 0);
354 }
355