1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-gemm/c2-neon-mull-dup.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
xnn_qs8_gemm_minmax_rndnu_ukernel_1x16c2__neon_mlal_ld4r(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)])17 void xnn_qs8_gemm_minmax_rndnu_ukernel_1x16c2__neon_mlal_ld4r(
18 size_t mr,
19 size_t nc,
20 size_t kc,
21 const int8_t* restrict a,
22 size_t a_stride,
23 const void* restrict w,
24 int8_t* restrict c,
25 size_t cm_stride,
26 size_t cn_stride,
27 const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
28 {
29 assert(mr != 0);
30 assert(mr <= 1);
31 assert(nc != 0);
32 assert(kc != 0);
33 assert(kc % sizeof(int8_t) == 0);
34 assert(a != NULL);
35 assert(w != NULL);
36 assert(c != NULL);
37
38 kc = round_up_po2(kc, 2 * sizeof(int8_t));
39 const int8_t* a0 = a;
40 int8_t* c0 = c;
41
42 do {
43 int32x4_t vacc0x0123 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
44 int32x4_t vacc0x4567 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
45 int32x4_t vacc0x89AB = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
46 int32x4_t vacc0xCDEF = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
47
48 size_t k = kc;
49
50 while (k >= 16 * sizeof(int8_t)) {
51 const int16x4x4_t va0x0 = vld4_dup_s16((const void*)a0); a0 += 8;
52 const int16x4x4_t va0x1 = vld4_dup_s16((const void*)a0); a0 += 8;
53 const int8x8_t vb0123c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
54 const int8x8_t vb4567c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
55 const int8x8_t vb89ABc0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
56 const int8x8_t vbCDEFc0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
57 const int8x8_t vb0123c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
58 const int8x8_t vb4567c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
59 const int8x8_t vb89ABc1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
60 const int8x8_t vbCDEFc1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
61 const int8x8_t vb0123c2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
62 const int8x8_t vb4567c2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
63 const int8x8_t vb89ABc2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
64 const int8x8_t vbCDEFc2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
65 const int8x8_t vb0123c3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
66 const int8x8_t vb4567c3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
67 const int8x8_t vb89ABc3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
68 const int8x8_t vbCDEFc3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
69
70 const int8x8_t va0c0x0 = vreinterpret_s8_s16(va0x0.val[0]);
71 const int8x8_t va0c0x1 = vreinterpret_s8_s16(va0x1.val[0]);
72
73 int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0x0, va0c0x0);
74 const int8x8_t vb0123c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
75 vprod0x0123c0 = vmlal_s8(vprod0x0123c0, vb0123c0x1, va0c0x1);
76 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
77 int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0x0, va0c0x0);
78 const int8x8_t vb4567c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
79 vprod0x4567c0 = vmlal_s8(vprod0x4567c0, vb4567c0x1, va0c0x1);
80 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
81 int16x8_t vprod0x89ABc0 = vmull_s8(vb89ABc0x0, va0c0x0);
82 const int8x8_t vb89ABc0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
83 vprod0x89ABc0 = vmlal_s8(vprod0x89ABc0, vb89ABc0x1, va0c0x1);
84 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc0);
85 int16x8_t vprod0xCDEFc0 = vmull_s8(vbCDEFc0x0, va0c0x0);
86 const int8x8_t vbCDEFc0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
87 vprod0xCDEFc0 = vmlal_s8(vprod0xCDEFc0, vbCDEFc0x1, va0c0x1);
88 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc0);
89 const int8x8_t va0c1x0 = vreinterpret_s8_s16(va0x0.val[1]);
90 const int8x8_t va0c1x1 = vreinterpret_s8_s16(va0x1.val[1]);
91
92 int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1x0, va0c1x0);
93 const int8x8_t vb0123c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
94 vprod0x0123c1 = vmlal_s8(vprod0x0123c1, vb0123c1x1, va0c1x1);
95 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
96 int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1x0, va0c1x0);
97 const int8x8_t vb4567c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
98 vprod0x4567c1 = vmlal_s8(vprod0x4567c1, vb4567c1x1, va0c1x1);
99 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
100 int16x8_t vprod0x89ABc1 = vmull_s8(vb89ABc1x0, va0c1x0);
101 const int8x8_t vb89ABc1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
102 vprod0x89ABc1 = vmlal_s8(vprod0x89ABc1, vb89ABc1x1, va0c1x1);
103 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc1);
104 int16x8_t vprod0xCDEFc1 = vmull_s8(vbCDEFc1x0, va0c1x0);
105 const int8x8_t vbCDEFc1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
106 vprod0xCDEFc1 = vmlal_s8(vprod0xCDEFc1, vbCDEFc1x1, va0c1x1);
107 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc1);
108 const int8x8_t va0c2x0 = vreinterpret_s8_s16(va0x0.val[2]);
109 const int8x8_t va0c2x1 = vreinterpret_s8_s16(va0x1.val[2]);
110
111 int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2x0, va0c2x0);
112 const int8x8_t vb0123c2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
113 vprod0x0123c2 = vmlal_s8(vprod0x0123c2, vb0123c2x1, va0c2x1);
114 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
115 int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2x0, va0c2x0);
116 const int8x8_t vb4567c2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
117 vprod0x4567c2 = vmlal_s8(vprod0x4567c2, vb4567c2x1, va0c2x1);
118 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
119 int16x8_t vprod0x89ABc2 = vmull_s8(vb89ABc2x0, va0c2x0);
120 const int8x8_t vb89ABc2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
121 vprod0x89ABc2 = vmlal_s8(vprod0x89ABc2, vb89ABc2x1, va0c2x1);
122 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc2);
123 int16x8_t vprod0xCDEFc2 = vmull_s8(vbCDEFc2x0, va0c2x0);
124 const int8x8_t vbCDEFc2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
125 vprod0xCDEFc2 = vmlal_s8(vprod0xCDEFc2, vbCDEFc2x1, va0c2x1);
126 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc2);
127 const int8x8_t va0c3x0 = vreinterpret_s8_s16(va0x0.val[3]);
128 const int8x8_t va0c3x1 = vreinterpret_s8_s16(va0x1.val[3]);
129
130 int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3x0, va0c3x0);
131 const int8x8_t vb0123c3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
132 vprod0x0123c3 = vmlal_s8(vprod0x0123c3, vb0123c3x1, va0c3x1);
133 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
134 int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3x0, va0c3x0);
135 const int8x8_t vb4567c3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
136 vprod0x4567c3 = vmlal_s8(vprod0x4567c3, vb4567c3x1, va0c3x1);
137 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
138 int16x8_t vprod0x89ABc3 = vmull_s8(vb89ABc3x0, va0c3x0);
139 const int8x8_t vb89ABc3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
140 vprod0x89ABc3 = vmlal_s8(vprod0x89ABc3, vb89ABc3x1, va0c3x1);
141 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc3);
142 int16x8_t vprod0xCDEFc3 = vmull_s8(vbCDEFc3x0, va0c3x0);
143 const int8x8_t vbCDEFc3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
144 vprod0xCDEFc3 = vmlal_s8(vprod0xCDEFc3, vbCDEFc3x1, va0c3x1);
145 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc3);
146
147 k -= 16 * sizeof(int8_t);
148 }
149
150 if (k >= 8 * sizeof(int8_t)) {
151 const int16x4x4_t va0 = vld4_dup_s16((const void*)a0); a0 += 8;
152
153 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
154 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
155 const int8x8_t vb89ABc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
156 const int8x8_t vbCDEFc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
157 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
158 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
159 const int8x8_t vb89ABc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
160 const int8x8_t vbCDEFc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
161 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
162 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
163 const int8x8_t vb89ABc2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
164 const int8x8_t vbCDEFc2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
165 const int8x8_t vb0123c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
166 const int8x8_t vb4567c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
167 const int8x8_t vb89ABc3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
168 const int8x8_t vbCDEFc3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
169
170 const int8x8_t va0c0 = vreinterpret_s8_s16(va0.val[0]);
171
172 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
173 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
174 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
175 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
176 const int16x8_t vprod0x89ABc0 = vmull_s8(vb89ABc0, va0c0);
177 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc0);
178 const int16x8_t vprod0xCDEFc0 = vmull_s8(vbCDEFc0, va0c0);
179 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc0);
180 const int8x8_t va0c1 = vreinterpret_s8_s16(va0.val[1]);
181
182 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
183 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
184 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
185 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
186 const int16x8_t vprod0x89ABc1 = vmull_s8(vb89ABc1, va0c1);
187 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc1);
188 const int16x8_t vprod0xCDEFc1 = vmull_s8(vbCDEFc1, va0c1);
189 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc1);
190 const int8x8_t va0c2 = vreinterpret_s8_s16(va0.val[2]);
191
192 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
193 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
194 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
195 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
196 const int16x8_t vprod0x89ABc2 = vmull_s8(vb89ABc2, va0c2);
197 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc2);
198 const int16x8_t vprod0xCDEFc2 = vmull_s8(vbCDEFc2, va0c2);
199 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc2);
200 const int8x8_t va0c3 = vreinterpret_s8_s16(va0.val[3]);
201
202 const int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3, va0c3);
203 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
204 const int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3, va0c3);
205 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
206 const int16x8_t vprod0x89ABc3 = vmull_s8(vb89ABc3, va0c3);
207 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc3);
208 const int16x8_t vprod0xCDEFc3 = vmull_s8(vbCDEFc3, va0c3);
209 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc3);
210
211 k -= 8 * sizeof(int8_t);
212 }
213
214 if XNN_UNLIKELY(k != 0) {
215 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
216
217 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
218 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
219 const int8x8_t vb89ABc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
220 const int8x8_t vbCDEFc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
221
222 const int8x8_t va0c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 0));
223 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
224 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
225 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
226 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
227 const int16x8_t vprod0x89ABc0 = vmull_s8(vb89ABc0, va0c0);
228 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc0);
229 const int16x8_t vprod0xCDEFc0 = vmull_s8(vbCDEFc0, va0c0);
230 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc0);
231
232 if (k > 2 * sizeof(int8_t)) {
233 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
234 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
235 const int8x8_t vb89ABc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
236 const int8x8_t vbCDEFc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
237
238 const int8x8_t va0c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 1));
239 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
240 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
241 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
242 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
243 const int16x8_t vprod0x89ABc1 = vmull_s8(vb89ABc1, va0c1);
244 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc1);
245 const int16x8_t vprod0xCDEFc1 = vmull_s8(vbCDEFc1, va0c1);
246 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc1);
247
248 if (k > 4 * sizeof(int8_t)) {
249 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
250 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
251 const int8x8_t vb89ABc2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
252 const int8x8_t vbCDEFc2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
253
254 const int8x8_t va0c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 2));
255 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
256 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
257 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
258 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
259 const int16x8_t vprod0x89ABc2 = vmull_s8(vb89ABc2, va0c2);
260 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc2);
261 const int16x8_t vprod0xCDEFc2 = vmull_s8(vbCDEFc2, va0c2);
262 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc2);
263 }
264 }
265 }
266
267 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
268 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
269 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
270
271 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
272 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
273 vacc0x89AB = vqshlq_s32(vacc0x89AB, vright_pre_shift);
274 vacc0xCDEF = vqshlq_s32(vacc0xCDEF, vright_pre_shift);
275
276 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
277 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
278 vacc0x89AB = vqdmulhq_s32(vacc0x89AB, vmultiplier);
279 vacc0xCDEF = vqdmulhq_s32(vacc0xCDEF, vmultiplier);
280
281 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
282 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
283 vacc0x89AB = vrshlq_s32(vacc0x89AB, vright_post_shift);
284 vacc0xCDEF = vrshlq_s32(vacc0xCDEF, vright_post_shift);
285
286 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
287 #if XNN_ARCH_ARM64
288 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
289 int16x8_t vacc0x89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc0x89AB), vacc0xCDEF);
290
291 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
292 vacc0x89ABCDEF = vqaddq_s16(vacc0x89ABCDEF, voutput_zero_point);
293
294 int8x16_t vout0x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc0x89ABCDEF);
295 #else
296 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
297 int16x8_t vacc0x89ABCDEF = vcombine_s16(vqmovn_s32(vacc0x89AB), vqmovn_s32(vacc0xCDEF));
298
299 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
300 vacc0x89ABCDEF = vqaddq_s16(vacc0x89ABCDEF, voutput_zero_point);
301
302 int8x16_t vout0x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc0x89ABCDEF));
303 #endif
304
305 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->rndnu_neon.output_min);
306 vout0x0123456789ABCDEF = vmaxq_s8(vout0x0123456789ABCDEF, voutput_min);
307
308 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->rndnu_neon.output_max);
309 vout0x0123456789ABCDEF = vminq_s8(vout0x0123456789ABCDEF, voutput_max);
310
311 if (nc >= 16) {
312 vst1q_s8(c0 + 0, vout0x0123456789ABCDEF);
313
314 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
315
316 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
317
318 nc -= 16;
319 } else {
320 // Final case where not all of the 16 columns fit in the destination.
321 int8x8_t vout0x01234567 = vget_low_s8(vout0x0123456789ABCDEF);
322 if (nc & 8) {
323 vst1_s8(c0, vout0x01234567); c0 += 8;
324 vout0x01234567 = vget_high_s8(vout0x0123456789ABCDEF);
325 }
326 if (nc & 4) {
327 vst1_lane_u32((void*) c0, vreinterpret_u32_s8(vout0x01234567), 0); c0 += 4;
328 vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 4);
329 }
330 if (nc & 2) {
331 vst1_lane_u16((void*) c0, vreinterpret_u16_s8(vout0x01234567), 0); c0 += 2;
332 vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 2);
333 }
334 if (nc & 1) {
335 vst1_lane_s8(c0, vout0x01234567, 0);
336 }
337
338 nc = 0;
339 }
340 } while (nc != 0);
341 }
342