xref: /aosp_15_r20/external/XNNPACK/src/qc8-dwconv/gen/up8x9-minmax-fp32-sse41-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_qc8_dwconv_minmax_fp32_ukernel_up8x9__sse41_mul16(size_t channels,size_t output_width,const int8_t ** input,const void * weights,int8_t * output,size_t input_stride,size_t output_increment,size_t input_offset,const int8_t * zero,const union xnn_qc8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_qc8_dwconv_minmax_fp32_ukernel_up8x9__sse41_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_qc8_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 >= 8; c -= 8) {
84       __m128i vacc0123 = _mm_loadu_si128((const __m128i*) w);
85       __m128i vacc4567 = _mm_loadu_si128((const __m128i*) ((const int32_t*) w + 4));
86 
87 
88       const __m128i vi0x01234567 = _mm_loadl_epi64((const __m128i*) i0);
89       const __m128i vxi0x01234567 = _mm_cvtepi8_epi16(vi0x01234567);
90       const __m128i vk0x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 8 * sizeof(int32_t) + 0 * sizeof(int8_t)));
91       const __m128i vxk0x01234567 = _mm_cvtepi8_epi16(vk0x01234567);
92       i0 += 8;
93 
94 
95       __m128i vprod01234567 = _mm_mullo_epi16(vxi0x01234567, vxk0x01234567);
96 
97       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
98       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
99 
100       const __m128i vi1x01234567 = _mm_loadl_epi64((const __m128i*) i1);
101       const __m128i vxi1x01234567 = _mm_cvtepi8_epi16(vi1x01234567);
102       const __m128i vk1x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 8 * sizeof(int32_t) + 8 * sizeof(int8_t)));
103       const __m128i vxk1x01234567 = _mm_cvtepi8_epi16(vk1x01234567);
104       i1 += 8;
105 
106 
107       vprod01234567 = _mm_mullo_epi16(vxi1x01234567, vxk1x01234567);
108 
109       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
110       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
111 
112       const __m128i vi2x01234567 = _mm_loadl_epi64((const __m128i*) i2);
113       const __m128i vxi2x01234567 = _mm_cvtepi8_epi16(vi2x01234567);
114       const __m128i vk2x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 8 * sizeof(int32_t) + 16 * sizeof(int8_t)));
115       const __m128i vxk2x01234567 = _mm_cvtepi8_epi16(vk2x01234567);
116       i2 += 8;
117 
118 
119       vprod01234567 = _mm_mullo_epi16(vxi2x01234567, vxk2x01234567);
120 
121       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
122       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
123 
124       const __m128i vi3x01234567 = _mm_loadl_epi64((const __m128i*) i3);
125       const __m128i vxi3x01234567 = _mm_cvtepi8_epi16(vi3x01234567);
126       const __m128i vk3x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 8 * sizeof(int32_t) + 24 * sizeof(int8_t)));
127       const __m128i vxk3x01234567 = _mm_cvtepi8_epi16(vk3x01234567);
128       i3 += 8;
129 
130 
131       vprod01234567 = _mm_mullo_epi16(vxi3x01234567, vxk3x01234567);
132 
133       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
134       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
135 
136       const __m128i vi4x01234567 = _mm_loadl_epi64((const __m128i*) i4);
137       const __m128i vxi4x01234567 = _mm_cvtepi8_epi16(vi4x01234567);
138       const __m128i vk4x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 8 * sizeof(int32_t) + 32 * sizeof(int8_t)));
139       const __m128i vxk4x01234567 = _mm_cvtepi8_epi16(vk4x01234567);
140       i4 += 8;
141 
142 
143       vprod01234567 = _mm_mullo_epi16(vxi4x01234567, vxk4x01234567);
144 
145       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
146       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
147 
148       const __m128i vi5x01234567 = _mm_loadl_epi64((const __m128i*) i5);
149       const __m128i vxi5x01234567 = _mm_cvtepi8_epi16(vi5x01234567);
150       const __m128i vk5x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 8 * sizeof(int32_t) + 40 * sizeof(int8_t)));
151       const __m128i vxk5x01234567 = _mm_cvtepi8_epi16(vk5x01234567);
152       i5 += 8;
153 
154 
155       vprod01234567 = _mm_mullo_epi16(vxi5x01234567, vxk5x01234567);
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 
160       const __m128i vi6x01234567 = _mm_loadl_epi64((const __m128i*) i6);
161       const __m128i vxi6x01234567 = _mm_cvtepi8_epi16(vi6x01234567);
162       const __m128i vk6x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 8 * sizeof(int32_t) + 48 * sizeof(int8_t)));
163       const __m128i vxk6x01234567 = _mm_cvtepi8_epi16(vk6x01234567);
164       i6 += 8;
165 
166 
167       vprod01234567 = _mm_mullo_epi16(vxi6x01234567, vxk6x01234567);
168 
169       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
170       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
171 
172       const __m128i vi7x01234567 = _mm_loadl_epi64((const __m128i*) i7);
173       const __m128i vxi7x01234567 = _mm_cvtepi8_epi16(vi7x01234567);
174       const __m128i vk7x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 8 * sizeof(int32_t) + 56 * sizeof(int8_t)));
175       const __m128i vxk7x01234567 = _mm_cvtepi8_epi16(vk7x01234567);
176       i7 += 8;
177 
178 
179       vprod01234567 = _mm_mullo_epi16(vxi7x01234567, vxk7x01234567);
180 
181       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
182       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
183 
184       const __m128i vi8x01234567 = _mm_loadl_epi64((const __m128i*) i8);
185       const __m128i vxi8x01234567 = _mm_cvtepi8_epi16(vi8x01234567);
186       const __m128i vk8x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 8 * sizeof(int32_t) + 64 * sizeof(int8_t)));
187       const __m128i vxk8x01234567 = _mm_cvtepi8_epi16(vk8x01234567);
188       i8 += 8;
189 
190 
191       vprod01234567 = _mm_mullo_epi16(vxi8x01234567, vxk8x01234567);
192 
193       vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
194       vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
195 
196       w = (const void*) ((uintptr_t) w + 8 * sizeof(int32_t) + 72 * sizeof(int8_t));
197 
198       __m128 vscaled0123 = _mm_cvtepi32_ps(vacc0123);
199       __m128 vscaled4567 = _mm_cvtepi32_ps(vacc4567);
200 
201       const __m128 vscale0123 = _mm_loadu_ps((const float*) w);
202       const __m128 vscale4567 = _mm_loadu_ps((const float*) w + 4);
203       w = (const void*) ((const float*) w + 8);
204       vscaled0123 = _mm_mul_ps(vscaled0123, vscale0123);
205       vscaled4567 = _mm_mul_ps(vscaled4567, vscale4567);
206 
207       const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse4.output_max_less_zero_point);
208       vscaled0123 = _mm_min_ps(vscaled0123, voutput_max_less_zero_point);
209       vscaled4567 = _mm_min_ps(vscaled4567, voutput_max_less_zero_point);
210 
211       vacc0123 = _mm_cvtps_epi32(vscaled0123);
212       vacc4567 = _mm_cvtps_epi32(vscaled4567);
213 
214       const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse4.output_zero_point);
215       __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);
216 
217 
218       __m128i vout0123456701234567 = _mm_packs_epi16(vout01234567, vout01234567);
219 
220       const __m128i voutput_min = _mm_load_si128((const __m128i*) params->fp32_sse4.output_min);
221       vout0123456701234567 = _mm_max_epi8(vout0123456701234567, voutput_min);
222 
223       _mm_storel_epi64((__m128i*) output, vout0123456701234567);
224       output += 8;
225     }
226     if XNN_UNLIKELY(c != 0) {
227       {
228         __m128i vacc0123 = _mm_loadu_si128((const __m128i*) w);
229         __m128i vacc4567 = _mm_loadu_si128((const __m128i*) ((const int32_t*) w + 4));
230 
231 
232         const __m128i vi0x01234567 = _mm_loadl_epi64((const __m128i*) i0);
233         const __m128i vxi0x01234567 = _mm_cvtepi8_epi16(vi0x01234567);
234         const __m128i vk0x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 8 * sizeof(int32_t) + 0 * sizeof(int8_t)));
235         const __m128i vxk0x01234567 = _mm_cvtepi8_epi16(vk0x01234567);
236 
237 
238         __m128i vprod01234567 = _mm_mullo_epi16(vxi0x01234567, vxk0x01234567);
239 
240         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
241         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
242 
243         const __m128i vi1x01234567 = _mm_loadl_epi64((const __m128i*) i1);
244         const __m128i vxi1x01234567 = _mm_cvtepi8_epi16(vi1x01234567);
245         const __m128i vk1x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 8 * sizeof(int32_t) + 8 * sizeof(int8_t)));
246         const __m128i vxk1x01234567 = _mm_cvtepi8_epi16(vk1x01234567);
247 
248 
249         vprod01234567 = _mm_mullo_epi16(vxi1x01234567, vxk1x01234567);
250 
251         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
252         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
253 
254         const __m128i vi2x01234567 = _mm_loadl_epi64((const __m128i*) i2);
255         const __m128i vxi2x01234567 = _mm_cvtepi8_epi16(vi2x01234567);
256         const __m128i vk2x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 8 * sizeof(int32_t) + 16 * sizeof(int8_t)));
257         const __m128i vxk2x01234567 = _mm_cvtepi8_epi16(vk2x01234567);
258 
259 
260         vprod01234567 = _mm_mullo_epi16(vxi2x01234567, vxk2x01234567);
261 
262         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
263         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
264 
265         const __m128i vi3x01234567 = _mm_loadl_epi64((const __m128i*) i3);
266         const __m128i vxi3x01234567 = _mm_cvtepi8_epi16(vi3x01234567);
267         const __m128i vk3x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 8 * sizeof(int32_t) + 24 * sizeof(int8_t)));
268         const __m128i vxk3x01234567 = _mm_cvtepi8_epi16(vk3x01234567);
269 
270 
271         vprod01234567 = _mm_mullo_epi16(vxi3x01234567, vxk3x01234567);
272 
273         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
274         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
275 
276         const __m128i vi4x01234567 = _mm_loadl_epi64((const __m128i*) i4);
277         const __m128i vxi4x01234567 = _mm_cvtepi8_epi16(vi4x01234567);
278         const __m128i vk4x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 8 * sizeof(int32_t) + 32 * sizeof(int8_t)));
279         const __m128i vxk4x01234567 = _mm_cvtepi8_epi16(vk4x01234567);
280 
281 
282         vprod01234567 = _mm_mullo_epi16(vxi4x01234567, vxk4x01234567);
283 
284         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
285         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
286 
287         const __m128i vi5x01234567 = _mm_loadl_epi64((const __m128i*) i5);
288         const __m128i vxi5x01234567 = _mm_cvtepi8_epi16(vi5x01234567);
289         const __m128i vk5x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 8 * sizeof(int32_t) + 40 * sizeof(int8_t)));
290         const __m128i vxk5x01234567 = _mm_cvtepi8_epi16(vk5x01234567);
291 
292 
293         vprod01234567 = _mm_mullo_epi16(vxi5x01234567, vxk5x01234567);
294 
295         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
296         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
297 
298         const __m128i vi6x01234567 = _mm_loadl_epi64((const __m128i*) i6);
299         const __m128i vxi6x01234567 = _mm_cvtepi8_epi16(vi6x01234567);
300         const __m128i vk6x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 8 * sizeof(int32_t) + 48 * sizeof(int8_t)));
301         const __m128i vxk6x01234567 = _mm_cvtepi8_epi16(vk6x01234567);
302 
303 
304         vprod01234567 = _mm_mullo_epi16(vxi6x01234567, vxk6x01234567);
305 
306         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
307         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
308 
309         const __m128i vi7x01234567 = _mm_loadl_epi64((const __m128i*) i7);
310         const __m128i vxi7x01234567 = _mm_cvtepi8_epi16(vi7x01234567);
311         const __m128i vk7x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 8 * sizeof(int32_t) + 56 * sizeof(int8_t)));
312         const __m128i vxk7x01234567 = _mm_cvtepi8_epi16(vk7x01234567);
313 
314 
315         vprod01234567 = _mm_mullo_epi16(vxi7x01234567, vxk7x01234567);
316 
317         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
318         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
319 
320         const __m128i vi8x01234567 = _mm_loadl_epi64((const __m128i*) i8);
321         const __m128i vxi8x01234567 = _mm_cvtepi8_epi16(vi8x01234567);
322         const __m128i vk8x01234567 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 8 * sizeof(int32_t) + 64 * sizeof(int8_t)));
323         const __m128i vxk8x01234567 = _mm_cvtepi8_epi16(vk8x01234567);
324 
325 
326         vprod01234567 = _mm_mullo_epi16(vxi8x01234567, vxk8x01234567);
327 
328         vacc0123 = _mm_add_epi32(vacc0123, _mm_cvtepi16_epi32(vprod01234567));
329         vacc4567 = _mm_add_epi32(vacc4567, _mm_srai_epi32(_mm_unpackhi_epi16(vprod01234567, vprod01234567), 16));
330 
331 
332         __m128 vscaled0123 = _mm_cvtepi32_ps(vacc0123);
333         __m128 vscaled4567 = _mm_cvtepi32_ps(vacc4567);
334 
335         const __m128 vscale0123 = _mm_loadu_ps((const float*) ((uintptr_t) w + 8 * sizeof(int32_t) + 72 * sizeof(int8_t)));
336         const __m128 vscale4567 = _mm_loadu_ps((const float*) ((uintptr_t) w + 8 * sizeof(int32_t) + 72 * sizeof(int8_t) + 4 * sizeof(float)));
337         vscaled0123 = _mm_mul_ps(vscaled0123, vscale0123);
338         vscaled4567 = _mm_mul_ps(vscaled4567, vscale4567);
339 
340         const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse4.output_max_less_zero_point);
341         vscaled0123 = _mm_min_ps(vscaled0123, voutput_max_less_zero_point);
342         vscaled4567 = _mm_min_ps(vscaled4567, voutput_max_less_zero_point);
343 
344         vacc0123 = _mm_cvtps_epi32(vscaled0123);
345         vacc4567 = _mm_cvtps_epi32(vscaled4567);
346 
347 
348         const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse4.output_zero_point);
349         __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);
350 
351 
352         __m128i vout0123456701234567 = _mm_packs_epi16(vout01234567, vout01234567);
353 
354         vout0123456701234567 = _mm_max_epi8(vout0123456701234567, _mm_load_si128((const __m128i*) params->fp32_sse4.output_min));
355 
356         if (c & 4) {
357           unaligned_store_u32(output, (uint32_t) _mm_cvtsi128_si32(vout0123456701234567));
358           vout0123456701234567 = _mm_srli_epi64(vout0123456701234567, 32);
359           output += 4;
360         }
361         if (c & 2) {
362           unaligned_store_u16(output, (uint16_t) _mm_extract_epi16(vout0123456701234567, 0));
363           vout0123456701234567 = _mm_srli_epi32(vout0123456701234567, 16);
364           output += 2;
365         }
366         if (c & 1) {
367           *output = (int8_t) _mm_extract_epi8(vout0123456701234567, 0);
368           output += 1;
369         }
370       }
371     }
372 
373     output = (int8_t*) ((uintptr_t) output + output_increment);
374   } while (--output_width != 0);
375 }
376