1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-igemm/c16-neon-mlal.c.in
3 // Generator: tools/xngen
4 //
5 // Copyright 2021 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 <arm_neon.h>
13
14 #include <xnnpack/gemm.h>
15 #include <xnnpack/math.h>
16
17
xnn_qs8_igemm_minmax_rndnu_ukernel_2x16c16__neon_mlal(size_t mr,size_t nc,size_t kc,size_t ks,const int8_t ** restrict a,const void * restrict w,int8_t * restrict c,size_t cm_stride,size_t cn_stride,size_t a_offset,const int8_t * zero,const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_qs8_igemm_minmax_rndnu_ukernel_2x16c16__neon_mlal(
19 size_t mr,
20 size_t nc,
21 size_t kc,
22 size_t ks,
23 const int8_t** restrict a,
24 const void* restrict w,
25 int8_t* restrict c,
26 size_t cm_stride,
27 size_t cn_stride,
28 size_t a_offset,
29 const int8_t* zero,
30 const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
31 {
32 assert(mr != 0);
33 assert(mr <= 2);
34 assert(nc != 0);
35 assert(kc != 0);
36 assert(ks != 0);
37 assert(ks % (2 * sizeof(void*)) == 0);
38 assert(a_offset % sizeof(int8_t) == 0);
39 assert(a != NULL);
40 assert(w != NULL);
41 assert(c != NULL);
42
43 kc = round_up_po2(kc, 16 * sizeof(int8_t));
44 int8_t* c0 = c;
45 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
46 if XNN_UNPREDICTABLE(mr != 2) {
47 c1 = c0;
48 }
49
50 do {
51 int32x4_t vacc0x0 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
52 int32x4_t vacc0x1 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
53 int32x4_t vacc0x2 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
54 int32x4_t vacc0x3 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
55 int32x4_t vacc0x4 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
56 int32x4_t vacc0x5 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
57 int32x4_t vacc0x6 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
58 int32x4_t vacc0x7 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
59 int32x4_t vacc0x8 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
60 int32x4_t vacc0x9 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
61 int32x4_t vacc0x10 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
62 int32x4_t vacc0x11 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
63 int32x4_t vacc0x12 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
64 int32x4_t vacc0x13 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
65 int32x4_t vacc0x14 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
66 int32x4_t vacc0x15 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
67 int32x4_t vacc1x0 = vacc0x0;
68 int32x4_t vacc1x1 = vacc0x1;
69 int32x4_t vacc1x2 = vacc0x2;
70 int32x4_t vacc1x3 = vacc0x3;
71 int32x4_t vacc1x4 = vacc0x4;
72 int32x4_t vacc1x5 = vacc0x5;
73 int32x4_t vacc1x6 = vacc0x6;
74 int32x4_t vacc1x7 = vacc0x7;
75 int32x4_t vacc1x8 = vacc0x8;
76 int32x4_t vacc1x9 = vacc0x9;
77 int32x4_t vacc1x10 = vacc0x10;
78 int32x4_t vacc1x11 = vacc0x11;
79 int32x4_t vacc1x12 = vacc0x12;
80 int32x4_t vacc1x13 = vacc0x13;
81 int32x4_t vacc1x14 = vacc0x14;
82 int32x4_t vacc1x15 = vacc0x15;
83
84 size_t p = ks;
85 do {
86 const int8_t* restrict a0 = a[0];
87 if XNN_UNPREDICTABLE(a0 != zero) {
88 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
89 }
90 const int8_t* restrict a1 = a[1];
91 if XNN_UNPREDICTABLE(a1 != zero) {
92 a1 = (const int8_t*) ((uintptr_t) a1 + a_offset);
93 }
94 a += 2;
95
96 // KC loop of 16 with up to 15 remainder
97 size_t k = kc;
98 while (k != 0) {
99 const int8x16_t va0 = vld1q_s8(a0); a0 += 16;
100 const int8x16_t va1 = vld1q_s8(a1); a1 += 16;
101
102 const int8x16_t vb0 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
103 const int8x16_t vb1 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
104 const int8x16_t vb2 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
105 const int8x16_t vb3 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
106 const int8x16_t vb4 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
107 const int8x16_t vb5 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
108 const int8x16_t vb6 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
109 const int8x16_t vb7 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
110 const int8x16_t vb8 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
111 const int8x16_t vb9 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
112 const int8x16_t vb10 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
113 const int8x16_t vb11 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
114 const int8x16_t vb12 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
115 const int8x16_t vb13 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
116 const int8x16_t vb14 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
117 const int8x16_t vb15 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
118
119 int16x8_t vprod0x0 = vmull_s8(vget_low_s8(vb0), vget_low_s8(va0));
120 int16x8_t vprod1x0 = vmull_s8(vget_low_s8(vb0), vget_low_s8(va1));
121 vprod0x0 = vmlal_s8(vprod0x0, vget_high_s8(vb0), vget_high_s8(va0));
122 vprod1x0 = vmlal_s8(vprod1x0, vget_high_s8(vb0), vget_high_s8(va1));
123 vacc0x0 = vpadalq_s16(vacc0x0, vprod0x0);
124 vacc1x0 = vpadalq_s16(vacc1x0, vprod1x0);
125 int16x8_t vprod0x1 = vmull_s8(vget_low_s8(vb1), vget_low_s8(va0));
126 int16x8_t vprod1x1 = vmull_s8(vget_low_s8(vb1), vget_low_s8(va1));
127 vprod0x1 = vmlal_s8(vprod0x1, vget_high_s8(vb1), vget_high_s8(va0));
128 vprod1x1 = vmlal_s8(vprod1x1, vget_high_s8(vb1), vget_high_s8(va1));
129 vacc0x1 = vpadalq_s16(vacc0x1, vprod0x1);
130 vacc1x1 = vpadalq_s16(vacc1x1, vprod1x1);
131 int16x8_t vprod0x2 = vmull_s8(vget_low_s8(vb2), vget_low_s8(va0));
132 int16x8_t vprod1x2 = vmull_s8(vget_low_s8(vb2), vget_low_s8(va1));
133 vprod0x2 = vmlal_s8(vprod0x2, vget_high_s8(vb2), vget_high_s8(va0));
134 vprod1x2 = vmlal_s8(vprod1x2, vget_high_s8(vb2), vget_high_s8(va1));
135 vacc0x2 = vpadalq_s16(vacc0x2, vprod0x2);
136 vacc1x2 = vpadalq_s16(vacc1x2, vprod1x2);
137 int16x8_t vprod0x3 = vmull_s8(vget_low_s8(vb3), vget_low_s8(va0));
138 int16x8_t vprod1x3 = vmull_s8(vget_low_s8(vb3), vget_low_s8(va1));
139 vprod0x3 = vmlal_s8(vprod0x3, vget_high_s8(vb3), vget_high_s8(va0));
140 vprod1x3 = vmlal_s8(vprod1x3, vget_high_s8(vb3), vget_high_s8(va1));
141 vacc0x3 = vpadalq_s16(vacc0x3, vprod0x3);
142 vacc1x3 = vpadalq_s16(vacc1x3, vprod1x3);
143 int16x8_t vprod0x4 = vmull_s8(vget_low_s8(vb4), vget_low_s8(va0));
144 int16x8_t vprod1x4 = vmull_s8(vget_low_s8(vb4), vget_low_s8(va1));
145 vprod0x4 = vmlal_s8(vprod0x4, vget_high_s8(vb4), vget_high_s8(va0));
146 vprod1x4 = vmlal_s8(vprod1x4, vget_high_s8(vb4), vget_high_s8(va1));
147 vacc0x4 = vpadalq_s16(vacc0x4, vprod0x4);
148 vacc1x4 = vpadalq_s16(vacc1x4, vprod1x4);
149 int16x8_t vprod0x5 = vmull_s8(vget_low_s8(vb5), vget_low_s8(va0));
150 int16x8_t vprod1x5 = vmull_s8(vget_low_s8(vb5), vget_low_s8(va1));
151 vprod0x5 = vmlal_s8(vprod0x5, vget_high_s8(vb5), vget_high_s8(va0));
152 vprod1x5 = vmlal_s8(vprod1x5, vget_high_s8(vb5), vget_high_s8(va1));
153 vacc0x5 = vpadalq_s16(vacc0x5, vprod0x5);
154 vacc1x5 = vpadalq_s16(vacc1x5, vprod1x5);
155 int16x8_t vprod0x6 = vmull_s8(vget_low_s8(vb6), vget_low_s8(va0));
156 int16x8_t vprod1x6 = vmull_s8(vget_low_s8(vb6), vget_low_s8(va1));
157 vprod0x6 = vmlal_s8(vprod0x6, vget_high_s8(vb6), vget_high_s8(va0));
158 vprod1x6 = vmlal_s8(vprod1x6, vget_high_s8(vb6), vget_high_s8(va1));
159 vacc0x6 = vpadalq_s16(vacc0x6, vprod0x6);
160 vacc1x6 = vpadalq_s16(vacc1x6, vprod1x6);
161 int16x8_t vprod0x7 = vmull_s8(vget_low_s8(vb7), vget_low_s8(va0));
162 int16x8_t vprod1x7 = vmull_s8(vget_low_s8(vb7), vget_low_s8(va1));
163 vprod0x7 = vmlal_s8(vprod0x7, vget_high_s8(vb7), vget_high_s8(va0));
164 vprod1x7 = vmlal_s8(vprod1x7, vget_high_s8(vb7), vget_high_s8(va1));
165 vacc0x7 = vpadalq_s16(vacc0x7, vprod0x7);
166 vacc1x7 = vpadalq_s16(vacc1x7, vprod1x7);
167 int16x8_t vprod0x8 = vmull_s8(vget_low_s8(vb8), vget_low_s8(va0));
168 int16x8_t vprod1x8 = vmull_s8(vget_low_s8(vb8), vget_low_s8(va1));
169 vprod0x8 = vmlal_s8(vprod0x8, vget_high_s8(vb8), vget_high_s8(va0));
170 vprod1x8 = vmlal_s8(vprod1x8, vget_high_s8(vb8), vget_high_s8(va1));
171 vacc0x8 = vpadalq_s16(vacc0x8, vprod0x8);
172 vacc1x8 = vpadalq_s16(vacc1x8, vprod1x8);
173 int16x8_t vprod0x9 = vmull_s8(vget_low_s8(vb9), vget_low_s8(va0));
174 int16x8_t vprod1x9 = vmull_s8(vget_low_s8(vb9), vget_low_s8(va1));
175 vprod0x9 = vmlal_s8(vprod0x9, vget_high_s8(vb9), vget_high_s8(va0));
176 vprod1x9 = vmlal_s8(vprod1x9, vget_high_s8(vb9), vget_high_s8(va1));
177 vacc0x9 = vpadalq_s16(vacc0x9, vprod0x9);
178 vacc1x9 = vpadalq_s16(vacc1x9, vprod1x9);
179 int16x8_t vprod0x10 = vmull_s8(vget_low_s8(vb10), vget_low_s8(va0));
180 int16x8_t vprod1x10 = vmull_s8(vget_low_s8(vb10), vget_low_s8(va1));
181 vprod0x10 = vmlal_s8(vprod0x10, vget_high_s8(vb10), vget_high_s8(va0));
182 vprod1x10 = vmlal_s8(vprod1x10, vget_high_s8(vb10), vget_high_s8(va1));
183 vacc0x10 = vpadalq_s16(vacc0x10, vprod0x10);
184 vacc1x10 = vpadalq_s16(vacc1x10, vprod1x10);
185 int16x8_t vprod0x11 = vmull_s8(vget_low_s8(vb11), vget_low_s8(va0));
186 int16x8_t vprod1x11 = vmull_s8(vget_low_s8(vb11), vget_low_s8(va1));
187 vprod0x11 = vmlal_s8(vprod0x11, vget_high_s8(vb11), vget_high_s8(va0));
188 vprod1x11 = vmlal_s8(vprod1x11, vget_high_s8(vb11), vget_high_s8(va1));
189 vacc0x11 = vpadalq_s16(vacc0x11, vprod0x11);
190 vacc1x11 = vpadalq_s16(vacc1x11, vprod1x11);
191 int16x8_t vprod0x12 = vmull_s8(vget_low_s8(vb12), vget_low_s8(va0));
192 int16x8_t vprod1x12 = vmull_s8(vget_low_s8(vb12), vget_low_s8(va1));
193 vprod0x12 = vmlal_s8(vprod0x12, vget_high_s8(vb12), vget_high_s8(va0));
194 vprod1x12 = vmlal_s8(vprod1x12, vget_high_s8(vb12), vget_high_s8(va1));
195 vacc0x12 = vpadalq_s16(vacc0x12, vprod0x12);
196 vacc1x12 = vpadalq_s16(vacc1x12, vprod1x12);
197 int16x8_t vprod0x13 = vmull_s8(vget_low_s8(vb13), vget_low_s8(va0));
198 int16x8_t vprod1x13 = vmull_s8(vget_low_s8(vb13), vget_low_s8(va1));
199 vprod0x13 = vmlal_s8(vprod0x13, vget_high_s8(vb13), vget_high_s8(va0));
200 vprod1x13 = vmlal_s8(vprod1x13, vget_high_s8(vb13), vget_high_s8(va1));
201 vacc0x13 = vpadalq_s16(vacc0x13, vprod0x13);
202 vacc1x13 = vpadalq_s16(vacc1x13, vprod1x13);
203 int16x8_t vprod0x14 = vmull_s8(vget_low_s8(vb14), vget_low_s8(va0));
204 int16x8_t vprod1x14 = vmull_s8(vget_low_s8(vb14), vget_low_s8(va1));
205 vprod0x14 = vmlal_s8(vprod0x14, vget_high_s8(vb14), vget_high_s8(va0));
206 vprod1x14 = vmlal_s8(vprod1x14, vget_high_s8(vb14), vget_high_s8(va1));
207 vacc0x14 = vpadalq_s16(vacc0x14, vprod0x14);
208 vacc1x14 = vpadalq_s16(vacc1x14, vprod1x14);
209 int16x8_t vprod0x15 = vmull_s8(vget_low_s8(vb15), vget_low_s8(va0));
210 int16x8_t vprod1x15 = vmull_s8(vget_low_s8(vb15), vget_low_s8(va1));
211 vprod0x15 = vmlal_s8(vprod0x15, vget_high_s8(vb15), vget_high_s8(va0));
212 vprod1x15 = vmlal_s8(vprod1x15, vget_high_s8(vb15), vget_high_s8(va1));
213 vacc0x15 = vpadalq_s16(vacc0x15, vprod0x15);
214 vacc1x15 = vpadalq_s16(vacc1x15, vprod1x15);
215
216 k -= 16 * sizeof(int8_t);
217 }
218
219 p -= 2 * sizeof(void*);
220 } while (p != 0);
221
222 #if XNN_ARCH_ARM64
223 const int32x4_t vsum0x01 = vpaddq_s32(vacc0x0, vacc0x1);
224 const int32x4_t vsum0x23 = vpaddq_s32(vacc0x2, vacc0x3);
225 const int32x4_t vsum0x45 = vpaddq_s32(vacc0x4, vacc0x5);
226 const int32x4_t vsum0x67 = vpaddq_s32(vacc0x6, vacc0x7);
227 const int32x4_t vsum0x89 = vpaddq_s32(vacc0x8, vacc0x9);
228 const int32x4_t vsum0xAB = vpaddq_s32(vacc0x10, vacc0x11);
229 const int32x4_t vsum0xCD = vpaddq_s32(vacc0x12, vacc0x13);
230 const int32x4_t vsum0xEF = vpaddq_s32(vacc0x14, vacc0x15);
231 const int32x4_t vsum1x01 = vpaddq_s32(vacc1x0, vacc1x1);
232 const int32x4_t vsum1x23 = vpaddq_s32(vacc1x2, vacc1x3);
233 const int32x4_t vsum1x45 = vpaddq_s32(vacc1x4, vacc1x5);
234 const int32x4_t vsum1x67 = vpaddq_s32(vacc1x6, vacc1x7);
235 const int32x4_t vsum1x89 = vpaddq_s32(vacc1x8, vacc1x9);
236 const int32x4_t vsum1xAB = vpaddq_s32(vacc1x10, vacc1x11);
237 const int32x4_t vsum1xCD = vpaddq_s32(vacc1x12, vacc1x13);
238 const int32x4_t vsum1xEF = vpaddq_s32(vacc1x14, vacc1x15);
239 int32x4_t vacc0x0123 = vpaddq_s32(vsum0x01, vsum0x23);
240 int32x4_t vacc0x4567 = vpaddq_s32(vsum0x45, vsum0x67);
241 int32x4_t vacc0x89AB = vpaddq_s32(vsum0x89, vsum0xAB);
242 int32x4_t vacc0xCDEF = vpaddq_s32(vsum0xCD, vsum0xEF);
243 int32x4_t vacc1x0123 = vpaddq_s32(vsum1x01, vsum1x23);
244 int32x4_t vacc1x4567 = vpaddq_s32(vsum1x45, vsum1x67);
245 int32x4_t vacc1x89AB = vpaddq_s32(vsum1x89, vsum1xAB);
246 int32x4_t vacc1xCDEF = vpaddq_s32(vsum1xCD, vsum1xEF);
247 #else
248 const int32x2_t vpsum0x0 = vadd_s32(vget_low_s32(vacc0x0), vget_high_s32(vacc0x0));
249 const int32x2_t vpsum0x1 = vadd_s32(vget_low_s32(vacc0x1), vget_high_s32(vacc0x1));
250 const int32x2_t vpsum0x2 = vadd_s32(vget_low_s32(vacc0x2), vget_high_s32(vacc0x2));
251 const int32x2_t vpsum0x3 = vadd_s32(vget_low_s32(vacc0x3), vget_high_s32(vacc0x3));
252 const int32x2_t vsum0x01 = vpadd_s32(vpsum0x0, vpsum0x1);
253 const int32x2_t vsum0x23 = vpadd_s32(vpsum0x2, vpsum0x3);
254 int32x4_t vacc0x0123 = vcombine_s32(vsum0x01, vsum0x23 );
255 const int32x2_t vpsum0x4 = vadd_s32(vget_low_s32(vacc0x4), vget_high_s32(vacc0x4));
256 const int32x2_t vpsum0x5 = vadd_s32(vget_low_s32(vacc0x5), vget_high_s32(vacc0x5));
257 const int32x2_t vpsum0x6 = vadd_s32(vget_low_s32(vacc0x6), vget_high_s32(vacc0x6));
258 const int32x2_t vpsum0x7 = vadd_s32(vget_low_s32(vacc0x7), vget_high_s32(vacc0x7));
259 const int32x2_t vsum0x45 = vpadd_s32(vpsum0x4, vpsum0x5);
260 const int32x2_t vsum0x67 = vpadd_s32(vpsum0x6, vpsum0x7);
261 int32x4_t vacc0x4567 = vcombine_s32(vsum0x45, vsum0x67 );
262 const int32x2_t vpsum0x8 = vadd_s32(vget_low_s32(vacc0x8), vget_high_s32(vacc0x8));
263 const int32x2_t vpsum0x9 = vadd_s32(vget_low_s32(vacc0x9), vget_high_s32(vacc0x9));
264 const int32x2_t vpsum0xA = vadd_s32(vget_low_s32(vacc0x10), vget_high_s32(vacc0x10));
265 const int32x2_t vpsum0xB = vadd_s32(vget_low_s32(vacc0x11), vget_high_s32(vacc0x11));
266 const int32x2_t vsum0x89 = vpadd_s32(vpsum0x8, vpsum0x9);
267 const int32x2_t vsum0xAB = vpadd_s32(vpsum0xA, vpsum0xB);
268 int32x4_t vacc0x89AB = vcombine_s32(vsum0x89, vsum0xAB );
269 const int32x2_t vpsum0xC = vadd_s32(vget_low_s32(vacc0x12), vget_high_s32(vacc0x12));
270 const int32x2_t vpsum0xD = vadd_s32(vget_low_s32(vacc0x13), vget_high_s32(vacc0x13));
271 const int32x2_t vpsum0xE = vadd_s32(vget_low_s32(vacc0x14), vget_high_s32(vacc0x14));
272 const int32x2_t vpsum0xF = vadd_s32(vget_low_s32(vacc0x15), vget_high_s32(vacc0x15));
273 const int32x2_t vsum0xCD = vpadd_s32(vpsum0xC, vpsum0xD);
274 const int32x2_t vsum0xEF = vpadd_s32(vpsum0xE, vpsum0xF);
275 int32x4_t vacc0xCDEF = vcombine_s32(vsum0xCD, vsum0xEF );
276 const int32x2_t vpsum1x0 = vadd_s32(vget_low_s32(vacc1x0), vget_high_s32(vacc1x0));
277 const int32x2_t vpsum1x1 = vadd_s32(vget_low_s32(vacc1x1), vget_high_s32(vacc1x1));
278 const int32x2_t vpsum1x2 = vadd_s32(vget_low_s32(vacc1x2), vget_high_s32(vacc1x2));
279 const int32x2_t vpsum1x3 = vadd_s32(vget_low_s32(vacc1x3), vget_high_s32(vacc1x3));
280 const int32x2_t vsum1x01 = vpadd_s32(vpsum1x0, vpsum1x1);
281 const int32x2_t vsum1x23 = vpadd_s32(vpsum1x2, vpsum1x3);
282 int32x4_t vacc1x0123 = vcombine_s32(vsum1x01, vsum1x23 );
283 const int32x2_t vpsum1x4 = vadd_s32(vget_low_s32(vacc1x4), vget_high_s32(vacc1x4));
284 const int32x2_t vpsum1x5 = vadd_s32(vget_low_s32(vacc1x5), vget_high_s32(vacc1x5));
285 const int32x2_t vpsum1x6 = vadd_s32(vget_low_s32(vacc1x6), vget_high_s32(vacc1x6));
286 const int32x2_t vpsum1x7 = vadd_s32(vget_low_s32(vacc1x7), vget_high_s32(vacc1x7));
287 const int32x2_t vsum1x45 = vpadd_s32(vpsum1x4, vpsum1x5);
288 const int32x2_t vsum1x67 = vpadd_s32(vpsum1x6, vpsum1x7);
289 int32x4_t vacc1x4567 = vcombine_s32(vsum1x45, vsum1x67 );
290 const int32x2_t vpsum1x8 = vadd_s32(vget_low_s32(vacc1x8), vget_high_s32(vacc1x8));
291 const int32x2_t vpsum1x9 = vadd_s32(vget_low_s32(vacc1x9), vget_high_s32(vacc1x9));
292 const int32x2_t vpsum1xA = vadd_s32(vget_low_s32(vacc1x10), vget_high_s32(vacc1x10));
293 const int32x2_t vpsum1xB = vadd_s32(vget_low_s32(vacc1x11), vget_high_s32(vacc1x11));
294 const int32x2_t vsum1x89 = vpadd_s32(vpsum1x8, vpsum1x9);
295 const int32x2_t vsum1xAB = vpadd_s32(vpsum1xA, vpsum1xB);
296 int32x4_t vacc1x89AB = vcombine_s32(vsum1x89, vsum1xAB );
297 const int32x2_t vpsum1xC = vadd_s32(vget_low_s32(vacc1x12), vget_high_s32(vacc1x12));
298 const int32x2_t vpsum1xD = vadd_s32(vget_low_s32(vacc1x13), vget_high_s32(vacc1x13));
299 const int32x2_t vpsum1xE = vadd_s32(vget_low_s32(vacc1x14), vget_high_s32(vacc1x14));
300 const int32x2_t vpsum1xF = vadd_s32(vget_low_s32(vacc1x15), vget_high_s32(vacc1x15));
301 const int32x2_t vsum1xCD = vpadd_s32(vpsum1xC, vpsum1xD);
302 const int32x2_t vsum1xEF = vpadd_s32(vpsum1xE, vpsum1xF);
303 int32x4_t vacc1xCDEF = vcombine_s32(vsum1xCD, vsum1xEF );
304 #endif
305
306 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
307 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
308 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
309
310 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
311 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
312 vacc0x89AB = vqshlq_s32(vacc0x89AB, vright_pre_shift);
313 vacc0xCDEF = vqshlq_s32(vacc0xCDEF, vright_pre_shift);
314 vacc1x0123 = vqshlq_s32(vacc1x0123, vright_pre_shift);
315 vacc1x4567 = vqshlq_s32(vacc1x4567, vright_pre_shift);
316 vacc1x89AB = vqshlq_s32(vacc1x89AB, vright_pre_shift);
317 vacc1xCDEF = vqshlq_s32(vacc1xCDEF, vright_pre_shift);
318
319 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
320 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
321 vacc0x89AB = vqdmulhq_s32(vacc0x89AB, vmultiplier);
322 vacc0xCDEF = vqdmulhq_s32(vacc0xCDEF, vmultiplier);
323 vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
324 vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
325 vacc1x89AB = vqdmulhq_s32(vacc1x89AB, vmultiplier);
326 vacc1xCDEF = vqdmulhq_s32(vacc1xCDEF, vmultiplier);
327
328 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
329 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
330 vacc0x89AB = vrshlq_s32(vacc0x89AB, vright_post_shift);
331 vacc0xCDEF = vrshlq_s32(vacc0xCDEF, vright_post_shift);
332 vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
333 vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
334 vacc1x89AB = vrshlq_s32(vacc1x89AB, vright_post_shift);
335 vacc1xCDEF = vrshlq_s32(vacc1xCDEF, vright_post_shift);
336
337 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
338 #if XNN_ARCH_ARM64
339 const int16x8_t vacc0x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567), voutput_zero_point);
340 const int16x8_t vacc0x89ABCDEF = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc0x89AB), vacc0xCDEF), voutput_zero_point);
341 const int16x8_t vacc1x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567), voutput_zero_point);
342 const int16x8_t vacc1x89ABCDEF = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc1x89AB), vacc1xCDEF), voutput_zero_point);
343 int8x16_t vout0x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc0x89ABCDEF);
344 int8x16_t vout1x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc1x01234567), vacc1x89ABCDEF);
345 #else
346 const int16x8_t vacc0x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567)), voutput_zero_point);
347 const int16x8_t vacc0x89ABCDEF = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0x89AB), vqmovn_s32(vacc0xCDEF)), voutput_zero_point);
348 const int16x8_t vacc1x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567)), voutput_zero_point);
349 const int16x8_t vacc1x89ABCDEF = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc1x89AB), vqmovn_s32(vacc1xCDEF)), voutput_zero_point);
350
351 int8x16_t vout0x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc0x89ABCDEF));
352 int8x16_t vout1x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc1x01234567), vqmovn_s16(vacc1x89ABCDEF));
353 #endif
354 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->rndnu_neon.output_min);
355 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->rndnu_neon.output_max);
356
357 vout1x0123456789ABCDEF = vmaxq_s8(vout1x0123456789ABCDEF, voutput_min);
358 vout0x0123456789ABCDEF = vmaxq_s8(vout0x0123456789ABCDEF, voutput_min);
359
360 vout1x0123456789ABCDEF = vminq_s8(vout1x0123456789ABCDEF, voutput_max);
361 vout0x0123456789ABCDEF = vminq_s8(vout0x0123456789ABCDEF, voutput_max);
362
363 if (nc >= 16) {
364 vst1q_s8(c1 + 0, vout1x0123456789ABCDEF);
365 vst1q_s8(c0 + 0, vout0x0123456789ABCDEF);
366
367 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
368 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
369
370 a = (const int8_t**restrict) ((uintptr_t) a - ks);
371
372 nc -= 16;
373 } else {
374 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vget_low_s8(vout0x0123456789ABCDEF), vget_low_s8(vout1x0123456789ABCDEF));
375 if (nc & 8) {
376 vst1_s8(c1, vget_high_s8(vout0x01234567_1x01234567)); c1 += 8;
377 vst1_s8(c0, vget_low_s8(vout0x01234567_1x01234567)); c0 += 8;
378 vout0x01234567_1x01234567 = vcombine_s8(vget_high_s8(vout0x0123456789ABCDEF), vget_high_s8(vout1x0123456789ABCDEF));
379 }
380 if (nc & 4) {
381 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
382 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
383 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
384 }
385 if (nc & 2) {
386 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
387 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
388 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
389 }
390 if (nc & 1) {
391 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
392 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
393 }
394
395 nc = 0;
396 }
397 } while (nc != 0);
398 }
399