1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-gemm/c8-neon-mull.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_gemm_minmax_rndnu_ukernel_2x16c8__neon_mlal(size_t mr,size_t nc,size_t kc,const int8_t * restrict a,size_t a_stride,const void * restrict w,int8_t * restrict c,size_t cm_stride,size_t cn_stride,const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_qs8_gemm_minmax_rndnu_ukernel_2x16c8__neon_mlal(
19 size_t mr,
20 size_t nc,
21 size_t kc,
22 const int8_t* restrict a,
23 size_t a_stride,
24 const void* restrict w,
25 int8_t* restrict c,
26 size_t cm_stride,
27 size_t cn_stride,
28 const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
29 {
30 assert(mr != 0);
31 assert(mr <= 2);
32 assert(nc != 0);
33 assert(kc != 0);
34 assert(kc % sizeof(int8_t) == 0);
35 assert(a != NULL);
36 assert(w != NULL);
37 assert(c != NULL);
38
39 kc = round_up_po2(kc, 8 * sizeof(int8_t));
40 const int8_t* a0 = a;
41 int8_t* c0 = c;
42 const int8_t* a1 = (const int8_t*) ((uintptr_t) a0 + a_stride);
43 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
44 if XNN_UNPREDICTABLE(mr != 2) {
45 a1 = a0;
46 c1 = c0;
47 }
48
49 do {
50 int32x4_t vacc0x0 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
51 int32x4_t vacc0x1 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
52 int32x4_t vacc0x2 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
53 int32x4_t vacc0x3 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
54 int32x4_t vacc0x4 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
55 int32x4_t vacc0x5 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
56 int32x4_t vacc0x6 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
57 int32x4_t vacc0x7 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
58 int32x4_t vacc0x8 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
59 int32x4_t vacc0x9 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
60 int32x4_t vacc0x10 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
61 int32x4_t vacc0x11 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
62 int32x4_t vacc0x12 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
63 int32x4_t vacc0x13 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
64 int32x4_t vacc0x14 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
65 int32x4_t vacc0x15 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
66 int32x4_t vacc1x0 = vacc0x0;
67 int32x4_t vacc1x1 = vacc0x1;
68 int32x4_t vacc1x2 = vacc0x2;
69 int32x4_t vacc1x3 = vacc0x3;
70 int32x4_t vacc1x4 = vacc0x4;
71 int32x4_t vacc1x5 = vacc0x5;
72 int32x4_t vacc1x6 = vacc0x6;
73 int32x4_t vacc1x7 = vacc0x7;
74 int32x4_t vacc1x8 = vacc0x8;
75 int32x4_t vacc1x9 = vacc0x9;
76 int32x4_t vacc1x10 = vacc0x10;
77 int32x4_t vacc1x11 = vacc0x11;
78 int32x4_t vacc1x12 = vacc0x12;
79 int32x4_t vacc1x13 = vacc0x13;
80 int32x4_t vacc1x14 = vacc0x14;
81 int32x4_t vacc1x15 = vacc0x15;
82
83 size_t k = kc;
84 // 2x partial unrolled loop to load 16 bytes at a time using MLA.
85 while (k >= 16 * sizeof(int8_t)) {
86 const int8x8_t va0x0 = vld1_s8(a0); a0 += 8;
87 const int8x8_t va0x1 = vld1_s8(a0); a0 += 8;
88 const int8x8_t va1x0 = vld1_s8(a1); a1 += 8;
89 const int8x8_t va1x1 = vld1_s8(a1); a1 += 8;
90
91 const int8x8_t vb0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
92 const int8x8_t vb1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
93 const int8x8_t vb2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
94 const int8x8_t vb3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
95 const int8x8_t vb4x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
96 const int8x8_t vb5x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
97 const int8x8_t vb6x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
98 const int8x8_t vb7x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
99 const int8x8_t vb8x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
100 const int8x8_t vb9x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
101 const int8x8_t vb10x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
102 const int8x8_t vb11x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
103 const int8x8_t vb12x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
104 const int8x8_t vb13x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
105 const int8x8_t vb14x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
106 const int8x8_t vb15x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
107
108 const int8x8_t vb0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
109 int16x8_t vprod0x0 = vmull_s8(vb0x0, va0x0);
110 int16x8_t vprod1x0 = vmull_s8(vb0x0, va1x0);
111 vprod0x0 = vmlal_s8(vprod0x0, vb0x1, va0x1);
112 vprod1x0 = vmlal_s8(vprod1x0, vb0x1, va1x1);
113 vacc0x0 = vpadalq_s16(vacc0x0, vprod0x0);
114 vacc1x0 = vpadalq_s16(vacc1x0, vprod1x0);
115 const int8x8_t vb1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
116 int16x8_t vprod0x1 = vmull_s8(vb1x0, va0x0);
117 int16x8_t vprod1x1 = vmull_s8(vb1x0, va1x0);
118 vprod0x1 = vmlal_s8(vprod0x1, vb1x1, va0x1);
119 vprod1x1 = vmlal_s8(vprod1x1, vb1x1, va1x1);
120 vacc0x1 = vpadalq_s16(vacc0x1, vprod0x1);
121 vacc1x1 = vpadalq_s16(vacc1x1, vprod1x1);
122 const int8x8_t vb2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
123 int16x8_t vprod0x2 = vmull_s8(vb2x0, va0x0);
124 int16x8_t vprod1x2 = vmull_s8(vb2x0, va1x0);
125 vprod0x2 = vmlal_s8(vprod0x2, vb2x1, va0x1);
126 vprod1x2 = vmlal_s8(vprod1x2, vb2x1, va1x1);
127 vacc0x2 = vpadalq_s16(vacc0x2, vprod0x2);
128 vacc1x2 = vpadalq_s16(vacc1x2, vprod1x2);
129 const int8x8_t vb3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
130 int16x8_t vprod0x3 = vmull_s8(vb3x0, va0x0);
131 int16x8_t vprod1x3 = vmull_s8(vb3x0, va1x0);
132 vprod0x3 = vmlal_s8(vprod0x3, vb3x1, va0x1);
133 vprod1x3 = vmlal_s8(vprod1x3, vb3x1, va1x1);
134 vacc0x3 = vpadalq_s16(vacc0x3, vprod0x3);
135 vacc1x3 = vpadalq_s16(vacc1x3, vprod1x3);
136 const int8x8_t vb4x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
137 int16x8_t vprod0x4 = vmull_s8(vb4x0, va0x0);
138 int16x8_t vprod1x4 = vmull_s8(vb4x0, va1x0);
139 vprod0x4 = vmlal_s8(vprod0x4, vb4x1, va0x1);
140 vprod1x4 = vmlal_s8(vprod1x4, vb4x1, va1x1);
141 vacc0x4 = vpadalq_s16(vacc0x4, vprod0x4);
142 vacc1x4 = vpadalq_s16(vacc1x4, vprod1x4);
143 const int8x8_t vb5x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
144 int16x8_t vprod0x5 = vmull_s8(vb5x0, va0x0);
145 int16x8_t vprod1x5 = vmull_s8(vb5x0, va1x0);
146 vprod0x5 = vmlal_s8(vprod0x5, vb5x1, va0x1);
147 vprod1x5 = vmlal_s8(vprod1x5, vb5x1, va1x1);
148 vacc0x5 = vpadalq_s16(vacc0x5, vprod0x5);
149 vacc1x5 = vpadalq_s16(vacc1x5, vprod1x5);
150 const int8x8_t vb6x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
151 int16x8_t vprod0x6 = vmull_s8(vb6x0, va0x0);
152 int16x8_t vprod1x6 = vmull_s8(vb6x0, va1x0);
153 vprod0x6 = vmlal_s8(vprod0x6, vb6x1, va0x1);
154 vprod1x6 = vmlal_s8(vprod1x6, vb6x1, va1x1);
155 vacc0x6 = vpadalq_s16(vacc0x6, vprod0x6);
156 vacc1x6 = vpadalq_s16(vacc1x6, vprod1x6);
157 const int8x8_t vb7x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
158 int16x8_t vprod0x7 = vmull_s8(vb7x0, va0x0);
159 int16x8_t vprod1x7 = vmull_s8(vb7x0, va1x0);
160 vprod0x7 = vmlal_s8(vprod0x7, vb7x1, va0x1);
161 vprod1x7 = vmlal_s8(vprod1x7, vb7x1, va1x1);
162 vacc0x7 = vpadalq_s16(vacc0x7, vprod0x7);
163 vacc1x7 = vpadalq_s16(vacc1x7, vprod1x7);
164 const int8x8_t vb8x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
165 int16x8_t vprod0x8 = vmull_s8(vb8x0, va0x0);
166 int16x8_t vprod1x8 = vmull_s8(vb8x0, va1x0);
167 vprod0x8 = vmlal_s8(vprod0x8, vb8x1, va0x1);
168 vprod1x8 = vmlal_s8(vprod1x8, vb8x1, va1x1);
169 vacc0x8 = vpadalq_s16(vacc0x8, vprod0x8);
170 vacc1x8 = vpadalq_s16(vacc1x8, vprod1x8);
171 const int8x8_t vb9x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
172 int16x8_t vprod0x9 = vmull_s8(vb9x0, va0x0);
173 int16x8_t vprod1x9 = vmull_s8(vb9x0, va1x0);
174 vprod0x9 = vmlal_s8(vprod0x9, vb9x1, va0x1);
175 vprod1x9 = vmlal_s8(vprod1x9, vb9x1, va1x1);
176 vacc0x9 = vpadalq_s16(vacc0x9, vprod0x9);
177 vacc1x9 = vpadalq_s16(vacc1x9, vprod1x9);
178 const int8x8_t vb10x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
179 int16x8_t vprod0x10 = vmull_s8(vb10x0, va0x0);
180 int16x8_t vprod1x10 = vmull_s8(vb10x0, va1x0);
181 vprod0x10 = vmlal_s8(vprod0x10, vb10x1, va0x1);
182 vprod1x10 = vmlal_s8(vprod1x10, vb10x1, va1x1);
183 vacc0x10 = vpadalq_s16(vacc0x10, vprod0x10);
184 vacc1x10 = vpadalq_s16(vacc1x10, vprod1x10);
185 const int8x8_t vb11x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
186 int16x8_t vprod0x11 = vmull_s8(vb11x0, va0x0);
187 int16x8_t vprod1x11 = vmull_s8(vb11x0, va1x0);
188 vprod0x11 = vmlal_s8(vprod0x11, vb11x1, va0x1);
189 vprod1x11 = vmlal_s8(vprod1x11, vb11x1, va1x1);
190 vacc0x11 = vpadalq_s16(vacc0x11, vprod0x11);
191 vacc1x11 = vpadalq_s16(vacc1x11, vprod1x11);
192 const int8x8_t vb12x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
193 int16x8_t vprod0x12 = vmull_s8(vb12x0, va0x0);
194 int16x8_t vprod1x12 = vmull_s8(vb12x0, va1x0);
195 vprod0x12 = vmlal_s8(vprod0x12, vb12x1, va0x1);
196 vprod1x12 = vmlal_s8(vprod1x12, vb12x1, va1x1);
197 vacc0x12 = vpadalq_s16(vacc0x12, vprod0x12);
198 vacc1x12 = vpadalq_s16(vacc1x12, vprod1x12);
199 const int8x8_t vb13x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
200 int16x8_t vprod0x13 = vmull_s8(vb13x0, va0x0);
201 int16x8_t vprod1x13 = vmull_s8(vb13x0, va1x0);
202 vprod0x13 = vmlal_s8(vprod0x13, vb13x1, va0x1);
203 vprod1x13 = vmlal_s8(vprod1x13, vb13x1, va1x1);
204 vacc0x13 = vpadalq_s16(vacc0x13, vprod0x13);
205 vacc1x13 = vpadalq_s16(vacc1x13, vprod1x13);
206 const int8x8_t vb14x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
207 int16x8_t vprod0x14 = vmull_s8(vb14x0, va0x0);
208 int16x8_t vprod1x14 = vmull_s8(vb14x0, va1x0);
209 vprod0x14 = vmlal_s8(vprod0x14, vb14x1, va0x1);
210 vprod1x14 = vmlal_s8(vprod1x14, vb14x1, va1x1);
211 vacc0x14 = vpadalq_s16(vacc0x14, vprod0x14);
212 vacc1x14 = vpadalq_s16(vacc1x14, vprod1x14);
213 const int8x8_t vb15x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
214 int16x8_t vprod0x15 = vmull_s8(vb15x0, va0x0);
215 int16x8_t vprod1x15 = vmull_s8(vb15x0, va1x0);
216 vprod0x15 = vmlal_s8(vprod0x15, vb15x1, va0x1);
217 vprod1x15 = vmlal_s8(vprod1x15, vb15x1, va1x1);
218 vacc0x15 = vpadalq_s16(vacc0x15, vprod0x15);
219 vacc1x15 = vpadalq_s16(vacc1x15, vprod1x15);
220
221 k -= 16 * sizeof(int8_t);
222 }
223
224 // Handle 8 bytes at a time using MUL.
225 if (k != 0) {
226 const int8x8_t va0 = vld1_s8(a0); a0 += 8;
227 const int8x8_t va1 = vld1_s8(a1); a1 += 8;
228
229 const int8x8_t vb0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
230 const int16x8_t vprod0x0 = vmull_s8(vb0, va0);
231 const int16x8_t vprod1x0 = vmull_s8(vb0, va1);
232 vacc0x0 = vpadalq_s16(vacc0x0, vprod0x0);
233 vacc1x0 = vpadalq_s16(vacc1x0, vprod1x0);
234 const int8x8_t vb1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
235 const int16x8_t vprod0x1 = vmull_s8(vb1, va0);
236 const int16x8_t vprod1x1 = vmull_s8(vb1, va1);
237 vacc0x1 = vpadalq_s16(vacc0x1, vprod0x1);
238 vacc1x1 = vpadalq_s16(vacc1x1, vprod1x1);
239 const int8x8_t vb2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
240 const int16x8_t vprod0x2 = vmull_s8(vb2, va0);
241 const int16x8_t vprod1x2 = vmull_s8(vb2, va1);
242 vacc0x2 = vpadalq_s16(vacc0x2, vprod0x2);
243 vacc1x2 = vpadalq_s16(vacc1x2, vprod1x2);
244 const int8x8_t vb3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
245 const int16x8_t vprod0x3 = vmull_s8(vb3, va0);
246 const int16x8_t vprod1x3 = vmull_s8(vb3, va1);
247 vacc0x3 = vpadalq_s16(vacc0x3, vprod0x3);
248 vacc1x3 = vpadalq_s16(vacc1x3, vprod1x3);
249 const int8x8_t vb4 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
250 const int16x8_t vprod0x4 = vmull_s8(vb4, va0);
251 const int16x8_t vprod1x4 = vmull_s8(vb4, va1);
252 vacc0x4 = vpadalq_s16(vacc0x4, vprod0x4);
253 vacc1x4 = vpadalq_s16(vacc1x4, vprod1x4);
254 const int8x8_t vb5 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
255 const int16x8_t vprod0x5 = vmull_s8(vb5, va0);
256 const int16x8_t vprod1x5 = vmull_s8(vb5, va1);
257 vacc0x5 = vpadalq_s16(vacc0x5, vprod0x5);
258 vacc1x5 = vpadalq_s16(vacc1x5, vprod1x5);
259 const int8x8_t vb6 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
260 const int16x8_t vprod0x6 = vmull_s8(vb6, va0);
261 const int16x8_t vprod1x6 = vmull_s8(vb6, va1);
262 vacc0x6 = vpadalq_s16(vacc0x6, vprod0x6);
263 vacc1x6 = vpadalq_s16(vacc1x6, vprod1x6);
264 const int8x8_t vb7 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
265 const int16x8_t vprod0x7 = vmull_s8(vb7, va0);
266 const int16x8_t vprod1x7 = vmull_s8(vb7, va1);
267 vacc0x7 = vpadalq_s16(vacc0x7, vprod0x7);
268 vacc1x7 = vpadalq_s16(vacc1x7, vprod1x7);
269 const int8x8_t vb8 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
270 const int16x8_t vprod0x8 = vmull_s8(vb8, va0);
271 const int16x8_t vprod1x8 = vmull_s8(vb8, va1);
272 vacc0x8 = vpadalq_s16(vacc0x8, vprod0x8);
273 vacc1x8 = vpadalq_s16(vacc1x8, vprod1x8);
274 const int8x8_t vb9 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
275 const int16x8_t vprod0x9 = vmull_s8(vb9, va0);
276 const int16x8_t vprod1x9 = vmull_s8(vb9, va1);
277 vacc0x9 = vpadalq_s16(vacc0x9, vprod0x9);
278 vacc1x9 = vpadalq_s16(vacc1x9, vprod1x9);
279 const int8x8_t vb10 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
280 const int16x8_t vprod0x10 = vmull_s8(vb10, va0);
281 const int16x8_t vprod1x10 = vmull_s8(vb10, va1);
282 vacc0x10 = vpadalq_s16(vacc0x10, vprod0x10);
283 vacc1x10 = vpadalq_s16(vacc1x10, vprod1x10);
284 const int8x8_t vb11 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
285 const int16x8_t vprod0x11 = vmull_s8(vb11, va0);
286 const int16x8_t vprod1x11 = vmull_s8(vb11, va1);
287 vacc0x11 = vpadalq_s16(vacc0x11, vprod0x11);
288 vacc1x11 = vpadalq_s16(vacc1x11, vprod1x11);
289 const int8x8_t vb12 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
290 const int16x8_t vprod0x12 = vmull_s8(vb12, va0);
291 const int16x8_t vprod1x12 = vmull_s8(vb12, va1);
292 vacc0x12 = vpadalq_s16(vacc0x12, vprod0x12);
293 vacc1x12 = vpadalq_s16(vacc1x12, vprod1x12);
294 const int8x8_t vb13 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
295 const int16x8_t vprod0x13 = vmull_s8(vb13, va0);
296 const int16x8_t vprod1x13 = vmull_s8(vb13, va1);
297 vacc0x13 = vpadalq_s16(vacc0x13, vprod0x13);
298 vacc1x13 = vpadalq_s16(vacc1x13, vprod1x13);
299 const int8x8_t vb14 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
300 const int16x8_t vprod0x14 = vmull_s8(vb14, va0);
301 const int16x8_t vprod1x14 = vmull_s8(vb14, va1);
302 vacc0x14 = vpadalq_s16(vacc0x14, vprod0x14);
303 vacc1x14 = vpadalq_s16(vacc1x14, vprod1x14);
304 const int8x8_t vb15 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
305 const int16x8_t vprod0x15 = vmull_s8(vb15, va0);
306 const int16x8_t vprod1x15 = vmull_s8(vb15, va1);
307 vacc0x15 = vpadalq_s16(vacc0x15, vprod0x15);
308 vacc1x15 = vpadalq_s16(vacc1x15, vprod1x15);
309
310 k -= 8 * sizeof(int8_t);
311 }
312
313 #if XNN_ARCH_ARM64
314 const int32x4_t vsum0x01 = vpaddq_s32(vacc0x0, vacc0x1);
315 const int32x4_t vsum0x23 = vpaddq_s32(vacc0x2, vacc0x3);
316 const int32x4_t vsum0x45 = vpaddq_s32(vacc0x4, vacc0x5);
317 const int32x4_t vsum0x67 = vpaddq_s32(vacc0x6, vacc0x7);
318 const int32x4_t vsum0x89 = vpaddq_s32(vacc0x8, vacc0x9);
319 const int32x4_t vsum0xAB = vpaddq_s32(vacc0x10, vacc0x11);
320 const int32x4_t vsum0xCD = vpaddq_s32(vacc0x12, vacc0x13);
321 const int32x4_t vsum0xEF = vpaddq_s32(vacc0x14, vacc0x15);
322 const int32x4_t vsum1x01 = vpaddq_s32(vacc1x0, vacc1x1);
323 const int32x4_t vsum1x23 = vpaddq_s32(vacc1x2, vacc1x3);
324 const int32x4_t vsum1x45 = vpaddq_s32(vacc1x4, vacc1x5);
325 const int32x4_t vsum1x67 = vpaddq_s32(vacc1x6, vacc1x7);
326 const int32x4_t vsum1x89 = vpaddq_s32(vacc1x8, vacc1x9);
327 const int32x4_t vsum1xAB = vpaddq_s32(vacc1x10, vacc1x11);
328 const int32x4_t vsum1xCD = vpaddq_s32(vacc1x12, vacc1x13);
329 const int32x4_t vsum1xEF = vpaddq_s32(vacc1x14, vacc1x15);
330
331 int32x4_t vacc0x0123 = vpaddq_s32(vsum0x01, vsum0x23);
332 int32x4_t vacc0x4567 = vpaddq_s32(vsum0x45, vsum0x67);
333 int32x4_t vacc0x89AB = vpaddq_s32(vsum0x89, vsum0xAB);
334 int32x4_t vacc0xCDEF = vpaddq_s32(vsum0xCD, vsum0xEF);
335 int32x4_t vacc1x0123 = vpaddq_s32(vsum1x01, vsum1x23);
336 int32x4_t vacc1x4567 = vpaddq_s32(vsum1x45, vsum1x67);
337 int32x4_t vacc1x89AB = vpaddq_s32(vsum1x89, vsum1xAB);
338 int32x4_t vacc1xCDEF = vpaddq_s32(vsum1xCD, vsum1xEF);
339 #else
340 const int32x2_t vpsum0x0 = vadd_s32(vget_low_s32(vacc0x0), vget_high_s32(vacc0x0));
341 const int32x2_t vpsum0x1 = vadd_s32(vget_low_s32(vacc0x1), vget_high_s32(vacc0x1));
342 const int32x2_t vpsum0x2 = vadd_s32(vget_low_s32(vacc0x2), vget_high_s32(vacc0x2));
343 const int32x2_t vpsum0x3 = vadd_s32(vget_low_s32(vacc0x3), vget_high_s32(vacc0x3));
344 const int32x2_t vsum0x01 = vpadd_s32(vpsum0x0, vpsum0x1);
345 const int32x2_t vsum0x23 = vpadd_s32(vpsum0x2, vpsum0x3);
346 int32x4_t vacc0x0123 = vcombine_s32(vsum0x01, vsum0x23 );
347 const int32x2_t vpsum0x4 = vadd_s32(vget_low_s32(vacc0x4), vget_high_s32(vacc0x4));
348 const int32x2_t vpsum0x5 = vadd_s32(vget_low_s32(vacc0x5), vget_high_s32(vacc0x5));
349 const int32x2_t vpsum0x6 = vadd_s32(vget_low_s32(vacc0x6), vget_high_s32(vacc0x6));
350 const int32x2_t vpsum0x7 = vadd_s32(vget_low_s32(vacc0x7), vget_high_s32(vacc0x7));
351 const int32x2_t vsum0x45 = vpadd_s32(vpsum0x4, vpsum0x5);
352 const int32x2_t vsum0x67 = vpadd_s32(vpsum0x6, vpsum0x7);
353 int32x4_t vacc0x4567 = vcombine_s32(vsum0x45, vsum0x67 );
354 const int32x2_t vpsum0x8 = vadd_s32(vget_low_s32(vacc0x8), vget_high_s32(vacc0x8));
355 const int32x2_t vpsum0x9 = vadd_s32(vget_low_s32(vacc0x9), vget_high_s32(vacc0x9));
356 const int32x2_t vpsum0xA = vadd_s32(vget_low_s32(vacc0x10), vget_high_s32(vacc0x10));
357 const int32x2_t vpsum0xB = vadd_s32(vget_low_s32(vacc0x11), vget_high_s32(vacc0x11));
358 const int32x2_t vsum0x89 = vpadd_s32(vpsum0x8, vpsum0x9);
359 const int32x2_t vsum0xAB = vpadd_s32(vpsum0xA, vpsum0xB);
360 int32x4_t vacc0x89AB = vcombine_s32(vsum0x89, vsum0xAB );
361 const int32x2_t vpsum0xC = vadd_s32(vget_low_s32(vacc0x12), vget_high_s32(vacc0x12));
362 const int32x2_t vpsum0xD = vadd_s32(vget_low_s32(vacc0x13), vget_high_s32(vacc0x13));
363 const int32x2_t vpsum0xE = vadd_s32(vget_low_s32(vacc0x14), vget_high_s32(vacc0x14));
364 const int32x2_t vpsum0xF = vadd_s32(vget_low_s32(vacc0x15), vget_high_s32(vacc0x15));
365 const int32x2_t vsum0xCD = vpadd_s32(vpsum0xC, vpsum0xD);
366 const int32x2_t vsum0xEF = vpadd_s32(vpsum0xE, vpsum0xF);
367 int32x4_t vacc0xCDEF = vcombine_s32(vsum0xCD, vsum0xEF );
368 const int32x2_t vpsum1x0 = vadd_s32(vget_low_s32(vacc1x0), vget_high_s32(vacc1x0));
369 const int32x2_t vpsum1x1 = vadd_s32(vget_low_s32(vacc1x1), vget_high_s32(vacc1x1));
370 const int32x2_t vpsum1x2 = vadd_s32(vget_low_s32(vacc1x2), vget_high_s32(vacc1x2));
371 const int32x2_t vpsum1x3 = vadd_s32(vget_low_s32(vacc1x3), vget_high_s32(vacc1x3));
372 const int32x2_t vsum1x01 = vpadd_s32(vpsum1x0, vpsum1x1);
373 const int32x2_t vsum1x23 = vpadd_s32(vpsum1x2, vpsum1x3);
374 int32x4_t vacc1x0123 = vcombine_s32(vsum1x01, vsum1x23 );
375 const int32x2_t vpsum1x4 = vadd_s32(vget_low_s32(vacc1x4), vget_high_s32(vacc1x4));
376 const int32x2_t vpsum1x5 = vadd_s32(vget_low_s32(vacc1x5), vget_high_s32(vacc1x5));
377 const int32x2_t vpsum1x6 = vadd_s32(vget_low_s32(vacc1x6), vget_high_s32(vacc1x6));
378 const int32x2_t vpsum1x7 = vadd_s32(vget_low_s32(vacc1x7), vget_high_s32(vacc1x7));
379 const int32x2_t vsum1x45 = vpadd_s32(vpsum1x4, vpsum1x5);
380 const int32x2_t vsum1x67 = vpadd_s32(vpsum1x6, vpsum1x7);
381 int32x4_t vacc1x4567 = vcombine_s32(vsum1x45, vsum1x67 );
382 const int32x2_t vpsum1x8 = vadd_s32(vget_low_s32(vacc1x8), vget_high_s32(vacc1x8));
383 const int32x2_t vpsum1x9 = vadd_s32(vget_low_s32(vacc1x9), vget_high_s32(vacc1x9));
384 const int32x2_t vpsum1xA = vadd_s32(vget_low_s32(vacc1x10), vget_high_s32(vacc1x10));
385 const int32x2_t vpsum1xB = vadd_s32(vget_low_s32(vacc1x11), vget_high_s32(vacc1x11));
386 const int32x2_t vsum1x89 = vpadd_s32(vpsum1x8, vpsum1x9);
387 const int32x2_t vsum1xAB = vpadd_s32(vpsum1xA, vpsum1xB);
388 int32x4_t vacc1x89AB = vcombine_s32(vsum1x89, vsum1xAB );
389 const int32x2_t vpsum1xC = vadd_s32(vget_low_s32(vacc1x12), vget_high_s32(vacc1x12));
390 const int32x2_t vpsum1xD = vadd_s32(vget_low_s32(vacc1x13), vget_high_s32(vacc1x13));
391 const int32x2_t vpsum1xE = vadd_s32(vget_low_s32(vacc1x14), vget_high_s32(vacc1x14));
392 const int32x2_t vpsum1xF = vadd_s32(vget_low_s32(vacc1x15), vget_high_s32(vacc1x15));
393 const int32x2_t vsum1xCD = vpadd_s32(vpsum1xC, vpsum1xD);
394 const int32x2_t vsum1xEF = vpadd_s32(vpsum1xE, vpsum1xF);
395 int32x4_t vacc1xCDEF = vcombine_s32(vsum1xCD, vsum1xEF );
396 #endif
397
398 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
399 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
400 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
401
402 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
403 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
404 vacc0x89AB = vqshlq_s32(vacc0x89AB, vright_pre_shift);
405 vacc0xCDEF = vqshlq_s32(vacc0xCDEF, vright_pre_shift);
406 vacc1x0123 = vqshlq_s32(vacc1x0123, vright_pre_shift);
407 vacc1x4567 = vqshlq_s32(vacc1x4567, vright_pre_shift);
408 vacc1x89AB = vqshlq_s32(vacc1x89AB, vright_pre_shift);
409 vacc1xCDEF = vqshlq_s32(vacc1xCDEF, vright_pre_shift);
410
411 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
412 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
413 vacc0x89AB = vqdmulhq_s32(vacc0x89AB, vmultiplier);
414 vacc0xCDEF = vqdmulhq_s32(vacc0xCDEF, vmultiplier);
415 vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
416 vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
417 vacc1x89AB = vqdmulhq_s32(vacc1x89AB, vmultiplier);
418 vacc1xCDEF = vqdmulhq_s32(vacc1xCDEF, vmultiplier);
419
420 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
421 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
422 vacc0x89AB = vrshlq_s32(vacc0x89AB, vright_post_shift);
423 vacc0xCDEF = vrshlq_s32(vacc0xCDEF, vright_post_shift);
424 vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
425 vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
426 vacc1x89AB = vrshlq_s32(vacc1x89AB, vright_post_shift);
427 vacc1xCDEF = vrshlq_s32(vacc1xCDEF, vright_post_shift);
428
429 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
430 #if XNN_ARCH_ARM64
431 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
432 int16x8_t vacc0x89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc0x89AB), vacc0xCDEF);
433 int16x8_t vacc1x01234567 = vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567);
434 int16x8_t vacc1x89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc1x89AB), vacc1xCDEF);
435
436 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
437 vacc0x89ABCDEF = vqaddq_s16(vacc0x89ABCDEF, voutput_zero_point);
438 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
439 vacc1x89ABCDEF = vqaddq_s16(vacc1x89ABCDEF, voutput_zero_point);
440
441 int8x16_t vout0x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc0x89ABCDEF);
442 int8x16_t vout1x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc1x01234567), vacc1x89ABCDEF);
443 #else
444 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
445 int16x8_t vacc0x89ABCDEF = vcombine_s16(vqmovn_s32(vacc0x89AB), vqmovn_s32(vacc0xCDEF));
446 int16x8_t vacc1x01234567 = vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567));
447 int16x8_t vacc1x89ABCDEF = vcombine_s16(vqmovn_s32(vacc1x89AB), vqmovn_s32(vacc1xCDEF));
448
449 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
450 vacc0x89ABCDEF = vqaddq_s16(vacc0x89ABCDEF, voutput_zero_point);
451 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
452 vacc1x89ABCDEF = vqaddq_s16(vacc1x89ABCDEF, voutput_zero_point);
453
454 int8x16_t vout0x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc0x89ABCDEF));
455 int8x16_t vout1x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc1x01234567), vqmovn_s16(vacc1x89ABCDEF));
456 #endif
457
458 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->rndnu_neon.output_min);
459 vout0x0123456789ABCDEF = vmaxq_s8(vout0x0123456789ABCDEF, voutput_min);
460 vout1x0123456789ABCDEF = vmaxq_s8(vout1x0123456789ABCDEF, voutput_min);
461
462 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->rndnu_neon.output_max);
463 vout0x0123456789ABCDEF = vminq_s8(vout0x0123456789ABCDEF, voutput_max);
464 vout1x0123456789ABCDEF = vminq_s8(vout1x0123456789ABCDEF, voutput_max);
465
466 if (nc >= 16) {
467 vst1q_s8(c0 + 0, vout0x0123456789ABCDEF);
468 vst1q_s8(c1 + 0, vout1x0123456789ABCDEF);
469
470 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
471 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
472
473 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
474 a1 = (const int8_t*) ((uintptr_t) a1 - kc);
475
476 nc -= 16;
477 } else {
478 // Final case where not all of the 16 columns fit in the destination.
479 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vget_low_s8(vout0x0123456789ABCDEF), vget_low_s8(vout1x0123456789ABCDEF));
480 if (nc & 8) {
481 vst1_s8(c0, vget_low_s8(vout0x01234567_1x01234567)); c0 += 8;
482 vst1_s8(c1, vget_high_s8(vout0x01234567_1x01234567)); c1 += 8;
483 vout0x01234567_1x01234567 = vcombine_s8(vget_high_s8(vout0x0123456789ABCDEF), vget_high_s8(vout1x0123456789ABCDEF));
484 }
485 if (nc & 4) {
486 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
487 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
488 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
489 }
490 if (nc & 2) {
491 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
492 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
493 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
494 }
495 if (nc & 1) {
496 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
497 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
498 }
499
500 nc = 0;
501 }
502 } while (nc != 0);
503 }
504