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1 // Auto-generated file. Do not edit!
2 //   Template: src/qs8-gavgpool/unipass-sse2.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 <emmintrin.h>
13 
14 #include <xnnpack/gavgpool.h>
15 
16 
xnn_qu8_gavgpool_minmax_fp32_ukernel_7x__sse2_c16(size_t rows,size_t channels,const uint8_t * input,size_t input_stride,const uint8_t * zero,uint8_t * output,const union xnn_qu8_avgpool_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])17 void xnn_qu8_gavgpool_minmax_fp32_ukernel_7x__sse2_c16(
18     size_t rows,
19     size_t channels,
20     const uint8_t* input,
21     size_t input_stride,
22     const uint8_t* zero,
23     uint8_t* output,
24     const union xnn_qu8_avgpool_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
25 {
26   assert(rows != 0);
27   assert(rows <= 7);
28   assert(channels != 0);
29 
30   const uint8_t* i0 = input;
31   const uint8_t* i1 = (const uint8_t*) ((uintptr_t) i0 + input_stride);
32   if XNN_UNPREDICTABLE(rows < 2) {
33     i1 = zero;
34   }
35   const uint8_t* i2 = (const uint8_t*) ((uintptr_t) i1 + input_stride);
36   if XNN_UNPREDICTABLE(rows <= 2) {
37     i2 = zero;
38   }
39   const uint8_t* i3 = (const uint8_t*) ((uintptr_t) i2 + input_stride);
40   if XNN_UNPREDICTABLE(rows < 4) {
41     i3 = zero;
42   }
43   const uint8_t* i4 = (const uint8_t*) ((uintptr_t) i3 + input_stride);
44   if XNN_UNPREDICTABLE(rows <= 4) {
45     i4 = zero;
46   }
47   const uint8_t* i5 = (const uint8_t*) ((uintptr_t) i4 + input_stride);
48   if XNN_UNPREDICTABLE(rows < 6) {
49     i5 = zero;
50   }
51   const uint8_t* i6 = (const uint8_t*) ((uintptr_t) i5 + input_stride);
52   if XNN_UNPREDICTABLE(rows <= 6) {
53     i6 = zero;
54   }
55 
56   const __m128i vinit_bias = _mm_load_si128((const __m128i*) params->fp32_sse2.init_bias);
57   const __m128 vscale = _mm_load_ps(params->fp32_sse2.scale);
58   const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse2.output_max_less_zero_point);
59   const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse2.output_zero_point);
60   const __m128i voutput_min = _mm_load_si128((const __m128i*) params->fp32_sse2.output_min);
61   const __m128i vzero = _mm_setzero_si128();
62   for (; channels >= 16; channels -= 16) {
63 
64     const __m128i vi0x01234567 = _mm_loadl_epi64((const __m128i*) i0);
65     const __m128i vi0x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i0 + 8));
66     i0 += 16;
67 
68     const __m128i vxi0x01234567 = _mm_unpacklo_epi8(vi0x01234567, vzero);
69     const __m128i vi1x01234567 = _mm_loadl_epi64((const __m128i*) i1);
70     const __m128i vxi0x89ABCDEF = _mm_unpacklo_epi8(vi0x89ABCDEF, vzero);
71     const __m128i vi1x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i1 + 8));
72     i1 += 16;
73 
74     const __m128i vxi1x01234567 = _mm_unpacklo_epi8(vi1x01234567, vzero);
75     const __m128i vi2x01234567 = _mm_loadl_epi64((const __m128i*) i2);
76     const __m128i vxi1x89ABCDEF = _mm_unpacklo_epi8(vi1x89ABCDEF, vzero);
77     const __m128i vi2x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i2 + 8));
78     i2 += 16;
79 
80     __m128i vacc01234567 = _mm_add_epi16(vxi0x01234567, vxi1x01234567);
81     const __m128i vxi2x01234567 = _mm_unpacklo_epi8(vi2x01234567, vzero);
82     const __m128i vi3x01234567 = _mm_loadl_epi64((const __m128i*) i3);
83     __m128i vacc89ABCDEF = _mm_add_epi16(vxi0x89ABCDEF, vxi1x89ABCDEF);
84     const __m128i vxi2x89ABCDEF = _mm_unpacklo_epi8(vi2x89ABCDEF, vzero);
85     const __m128i vi3x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i3 + 8));
86     i3 += 16;
87 
88     vacc01234567 = _mm_add_epi16(vacc01234567, vxi2x01234567);
89     const __m128i vxi3x01234567 = _mm_unpacklo_epi8(vi3x01234567, vzero);
90     const __m128i vi4x01234567 = _mm_loadl_epi64((const __m128i*) i4);
91     vacc89ABCDEF = _mm_add_epi16(vacc89ABCDEF, vxi2x89ABCDEF);
92     const __m128i vxi3x89ABCDEF = _mm_unpacklo_epi8(vi3x89ABCDEF, vzero);
93     const __m128i vi4x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i4 + 8));
94     i4 += 16;
95 
96     vacc01234567 = _mm_add_epi16(vacc01234567, vxi3x01234567);
97     const __m128i vxi4x01234567 = _mm_unpacklo_epi8(vi4x01234567, vzero);
98     const __m128i vi5x01234567 = _mm_loadl_epi64((const __m128i*) i5);
99     vacc89ABCDEF = _mm_add_epi16(vacc89ABCDEF, vxi3x89ABCDEF);
100     const __m128i vxi4x89ABCDEF = _mm_unpacklo_epi8(vi4x89ABCDEF, vzero);
101     const __m128i vi5x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i5 + 8));
102     i5 += 16;
103 
104     vacc01234567 = _mm_add_epi16(vacc01234567, vxi4x01234567);
105     const __m128i vxi5x01234567 = _mm_unpacklo_epi8(vi5x01234567, vzero);
106     const __m128i vi6x01234567 = _mm_loadl_epi64((const __m128i*) i6);
107     vacc89ABCDEF = _mm_add_epi16(vacc89ABCDEF, vxi4x89ABCDEF);
108     const __m128i vxi5x89ABCDEF = _mm_unpacklo_epi8(vi5x89ABCDEF, vzero);
109     const __m128i vi6x89ABCDEF = _mm_loadl_epi64((const __m128i*) (i6 + 8));
110     i6 += 16;
111 
112     vacc01234567 = _mm_add_epi16(vacc01234567, vxi5x01234567);
113     const __m128i vxi6x01234567 = _mm_unpacklo_epi8(vi6x01234567, vzero);
114     vacc89ABCDEF = _mm_add_epi16(vacc89ABCDEF, vxi5x89ABCDEF);
115     const __m128i vxi6x89ABCDEF = _mm_unpacklo_epi8(vi6x89ABCDEF, vzero);
116 
117     vacc01234567 = _mm_add_epi16(vacc01234567, vxi6x01234567);
118     vacc89ABCDEF = _mm_add_epi16(vacc89ABCDEF, vxi6x89ABCDEF);
119 
120     __m128i vacc0123 = _mm_unpacklo_epi16(vacc01234567, vzero);
121     __m128i vacc4567 = _mm_unpackhi_epi16(vacc01234567, vzero);
122     __m128i vacc89AB = _mm_unpacklo_epi16(vacc89ABCDEF, vzero);
123     __m128i vaccCDEF = _mm_unpackhi_epi16(vacc89ABCDEF, vzero);
124 
125     vacc0123 = _mm_add_epi32(vacc0123, vinit_bias);
126     vacc4567 = _mm_add_epi32(vacc4567, vinit_bias);
127     vacc89AB = _mm_add_epi32(vacc89AB, vinit_bias);
128     vaccCDEF = _mm_add_epi32(vaccCDEF, vinit_bias);
129 
130     __m128 vfpacc0123 = _mm_cvtepi32_ps(vacc0123);
131     __m128 vfpacc4567 = _mm_cvtepi32_ps(vacc4567);
132     __m128 vfpacc89AB = _mm_cvtepi32_ps(vacc89AB);
133     __m128 vfpaccCDEF = _mm_cvtepi32_ps(vaccCDEF);
134 
135     vfpacc0123 = _mm_mul_ps(vfpacc0123, vscale);
136     vfpacc4567 = _mm_mul_ps(vfpacc4567, vscale);
137     vfpacc89AB = _mm_mul_ps(vfpacc89AB, vscale);
138     vfpaccCDEF = _mm_mul_ps(vfpaccCDEF, vscale);
139 
140     vfpacc0123 = _mm_min_ps(vfpacc0123, voutput_max_less_zero_point);
141     vfpacc4567 = _mm_min_ps(vfpacc4567, voutput_max_less_zero_point);
142     vfpacc89AB = _mm_min_ps(vfpacc89AB, voutput_max_less_zero_point);
143     vfpaccCDEF = _mm_min_ps(vfpaccCDEF, voutput_max_less_zero_point);
144 
145     vacc0123 = _mm_cvtps_epi32(vfpacc0123);
146     vacc4567 = _mm_cvtps_epi32(vfpacc4567);
147     vacc89AB = _mm_cvtps_epi32(vfpacc89AB);
148     vaccCDEF = _mm_cvtps_epi32(vfpaccCDEF);
149 
150     __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);
151     __m128i vout89ABCDEF = _mm_adds_epi16(_mm_packs_epi32(vacc89AB, vaccCDEF), voutput_zero_point);
152 
153 
154     __m128i vout0123456789ABCDEF = _mm_packus_epi16(vout01234567, vout89ABCDEF);
155 
156     vout0123456789ABCDEF = _mm_max_epu8(vout0123456789ABCDEF, voutput_min);
157 
158     _mm_storeu_si128((__m128i*) output, vout0123456789ABCDEF);
159     output += 16;
160   }
161   if XNN_UNLIKELY(channels != 0) {
162     do {
163 
164       const __m128i vi0x01234567 = _mm_loadl_epi64((const __m128i*) i0);
165       i0 += 8;
166 
167       const __m128i vi1x01234567 = _mm_loadl_epi64((const __m128i*) i1);
168       i1 += 8;
169 
170       const __m128i vxi0x01234567 = _mm_unpacklo_epi8(vi0x01234567, vzero);
171       const __m128i vi2x01234567 = _mm_loadl_epi64((const __m128i*) i2);
172       i2 += 8;
173 
174       const __m128i vxi1x01234567 = _mm_unpacklo_epi8(vi1x01234567, vzero);
175       const __m128i vi3x01234567 = _mm_loadl_epi64((const __m128i*) i3);
176       i3 += 8;
177 
178       __m128i vacc01234567 = _mm_add_epi16(vxi0x01234567, vxi1x01234567);
179       const __m128i vxi2x01234567 = _mm_unpacklo_epi8(vi2x01234567, vzero);
180       const __m128i vi4x01234567 = _mm_loadl_epi64((const __m128i*) i4);
181       i4 += 8;
182 
183       vacc01234567 = _mm_add_epi16(vacc01234567, vxi2x01234567);
184       const __m128i vxi3x01234567 = _mm_unpacklo_epi8(vi3x01234567, vzero);
185       const __m128i vi5x01234567 = _mm_loadl_epi64((const __m128i*) i5);
186       i5 += 8;
187 
188       vacc01234567 = _mm_add_epi16(vacc01234567, vxi3x01234567);
189       const __m128i vxi4x01234567 = _mm_unpacklo_epi8(vi4x01234567, vzero);
190       const __m128i vi6x01234567 = _mm_loadl_epi64((const __m128i*) i6);
191       i6 += 8;
192 
193       vacc01234567 = _mm_add_epi16(vacc01234567, vxi4x01234567);
194       const __m128i vxi5x01234567 = _mm_unpacklo_epi8(vi5x01234567, vzero);
195 
196       vacc01234567 = _mm_add_epi16(vacc01234567, vxi5x01234567);
197       const __m128i vxi6x01234567 = _mm_unpacklo_epi8(vi6x01234567, vzero);
198 
199       vacc01234567 = _mm_add_epi16(vacc01234567, vxi6x01234567);
200 
201       __m128i vacc0123 = _mm_unpacklo_epi16(vacc01234567, vzero);
202       __m128i vacc4567 = _mm_unpackhi_epi16(vacc01234567, vzero);
203 
204       vacc0123 = _mm_add_epi32(vacc0123, vinit_bias);
205       vacc4567 = _mm_add_epi32(vacc4567, vinit_bias);
206 
207       __m128 vfpacc0123 = _mm_cvtepi32_ps(vacc0123);
208       __m128 vfpacc4567 = _mm_cvtepi32_ps(vacc4567);
209 
210       vfpacc0123 = _mm_mul_ps(vfpacc0123, vscale);
211       vfpacc4567 = _mm_mul_ps(vfpacc4567, vscale);
212 
213       vfpacc0123 = _mm_min_ps(vfpacc0123, voutput_max_less_zero_point);
214       vfpacc4567 = _mm_min_ps(vfpacc4567, voutput_max_less_zero_point);
215 
216       vacc0123 = _mm_cvtps_epi32(vfpacc0123);
217       vacc4567 = _mm_cvtps_epi32(vfpacc4567);
218 
219       __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);
220 
221       __m128i vout0123456701234567 = _mm_packus_epi16(vout01234567, vout01234567);
222       vout0123456701234567 = _mm_max_epu8(vout0123456701234567, voutput_min);
223 
224       if XNN_LIKELY(channels >= 8) {
225         _mm_storel_epi64((__m128i*) output, vout0123456701234567);
226         output += 8;
227         channels -= 8;
228       } else {
229         if (channels & 4) {
230           *((uint32_t*) output) = (uint32_t) _mm_cvtsi128_si32(vout0123456701234567);
231           vout0123456701234567 = _mm_srli_epi64(vout0123456701234567, 32);
232           output += 4;
233         }
234         uint32_t vout0123 = (uint32_t) _mm_cvtsi128_si32(vout0123456701234567);
235         if (channels & 2) {
236           *((uint16_t*) output) = (uint16_t) vout0123;
237           vout0123 >>= 16;
238           output += 2;
239         }
240         if (channels & 1) {
241           *output = (uint8_t) vout0123;
242           output += 1;
243         }
244         channels = 0;
245       }
246     } while (channels != 0);
247   }
248 }
249