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_ld2r(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_ld2r(
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 int16x4x2_t va00x0 = vld2_dup_s16((const void*)a0);
52 const int16x4x2_t va01x0 = vld2_dup_s16((const void*)(a0 + 4)); a0 += 8;
53 const int16x4x2_t va00x1 = vld2_dup_s16((const void*)a0);
54 const int16x4x2_t va01x1 = vld2_dup_s16((const void*)(a0 + 4)); a0 += 8;
55 const int8x8_t vb0123c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
56 const int8x8_t vb4567c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
57 const int8x8_t vb89ABc0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
58 const int8x8_t vbCDEFc0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
59 const int8x8_t vb0123c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
60 const int8x8_t vb4567c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
61 const int8x8_t vb89ABc1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
62 const int8x8_t vbCDEFc1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
63 const int8x8_t vb0123c2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
64 const int8x8_t vb4567c2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
65 const int8x8_t vb89ABc2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
66 const int8x8_t vbCDEFc2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
67 const int8x8_t vb0123c3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
68 const int8x8_t vb4567c3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
69 const int8x8_t vb89ABc3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
70 const int8x8_t vbCDEFc3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
71
72 const int8x8_t va0c0x0 = vreinterpret_s8_s16(va00x0.val[0]);
73 const int8x8_t va0c0x1 = vreinterpret_s8_s16(va00x1.val[0]);
74
75 int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0x0, va0c0x0);
76 const int8x8_t vb0123c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
77 vprod0x0123c0 = vmlal_s8(vprod0x0123c0, vb0123c0x1, va0c0x1);
78 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
79 int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0x0, va0c0x0);
80 const int8x8_t vb4567c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
81 vprod0x4567c0 = vmlal_s8(vprod0x4567c0, vb4567c0x1, va0c0x1);
82 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
83 int16x8_t vprod0x89ABc0 = vmull_s8(vb89ABc0x0, va0c0x0);
84 const int8x8_t vb89ABc0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
85 vprod0x89ABc0 = vmlal_s8(vprod0x89ABc0, vb89ABc0x1, va0c0x1);
86 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc0);
87 int16x8_t vprod0xCDEFc0 = vmull_s8(vbCDEFc0x0, va0c0x0);
88 const int8x8_t vbCDEFc0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
89 vprod0xCDEFc0 = vmlal_s8(vprod0xCDEFc0, vbCDEFc0x1, va0c0x1);
90 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc0);
91 const int8x8_t va0c1x0 = vreinterpret_s8_s16(va00x0.val[1]);
92 const int8x8_t va0c1x1 = vreinterpret_s8_s16(va00x1.val[1]);
93
94 int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1x0, va0c1x0);
95 const int8x8_t vb0123c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
96 vprod0x0123c1 = vmlal_s8(vprod0x0123c1, vb0123c1x1, va0c1x1);
97 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
98 int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1x0, va0c1x0);
99 const int8x8_t vb4567c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
100 vprod0x4567c1 = vmlal_s8(vprod0x4567c1, vb4567c1x1, va0c1x1);
101 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
102 int16x8_t vprod0x89ABc1 = vmull_s8(vb89ABc1x0, va0c1x0);
103 const int8x8_t vb89ABc1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
104 vprod0x89ABc1 = vmlal_s8(vprod0x89ABc1, vb89ABc1x1, va0c1x1);
105 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc1);
106 int16x8_t vprod0xCDEFc1 = vmull_s8(vbCDEFc1x0, va0c1x0);
107 const int8x8_t vbCDEFc1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
108 vprod0xCDEFc1 = vmlal_s8(vprod0xCDEFc1, vbCDEFc1x1, va0c1x1);
109 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc1);
110 const int8x8_t va0c2x0 = vreinterpret_s8_s16(va01x0.val[0]);
111 const int8x8_t va0c2x1 = vreinterpret_s8_s16(va01x1.val[0]);
112
113 int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2x0, va0c2x0);
114 const int8x8_t vb0123c2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
115 vprod0x0123c2 = vmlal_s8(vprod0x0123c2, vb0123c2x1, va0c2x1);
116 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
117 int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2x0, va0c2x0);
118 const int8x8_t vb4567c2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
119 vprod0x4567c2 = vmlal_s8(vprod0x4567c2, vb4567c2x1, va0c2x1);
120 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
121 int16x8_t vprod0x89ABc2 = vmull_s8(vb89ABc2x0, va0c2x0);
122 const int8x8_t vb89ABc2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
123 vprod0x89ABc2 = vmlal_s8(vprod0x89ABc2, vb89ABc2x1, va0c2x1);
124 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc2);
125 int16x8_t vprod0xCDEFc2 = vmull_s8(vbCDEFc2x0, va0c2x0);
126 const int8x8_t vbCDEFc2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
127 vprod0xCDEFc2 = vmlal_s8(vprod0xCDEFc2, vbCDEFc2x1, va0c2x1);
128 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc2);
129 const int8x8_t va0c3x0 = vreinterpret_s8_s16(va01x0.val[1]);
130 const int8x8_t va0c3x1 = vreinterpret_s8_s16(va01x1.val[1]);
131
132 int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3x0, va0c3x0);
133 const int8x8_t vb0123c3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
134 vprod0x0123c3 = vmlal_s8(vprod0x0123c3, vb0123c3x1, va0c3x1);
135 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
136 int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3x0, va0c3x0);
137 const int8x8_t vb4567c3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
138 vprod0x4567c3 = vmlal_s8(vprod0x4567c3, vb4567c3x1, va0c3x1);
139 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
140 int16x8_t vprod0x89ABc3 = vmull_s8(vb89ABc3x0, va0c3x0);
141 const int8x8_t vb89ABc3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
142 vprod0x89ABc3 = vmlal_s8(vprod0x89ABc3, vb89ABc3x1, va0c3x1);
143 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc3);
144 int16x8_t vprod0xCDEFc3 = vmull_s8(vbCDEFc3x0, va0c3x0);
145 const int8x8_t vbCDEFc3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
146 vprod0xCDEFc3 = vmlal_s8(vprod0xCDEFc3, vbCDEFc3x1, va0c3x1);
147 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc3);
148
149 k -= 16 * sizeof(int8_t);
150 }
151
152 if (k >= 8 * sizeof(int8_t)) {
153 const int16x4x2_t va00 = vld2_dup_s16((const void*)a0);
154 const int16x4x2_t va01 = vld2_dup_s16((const void*)(a0 + 4)); a0 += 8;
155
156 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
157 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
158 const int8x8_t vb89ABc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
159 const int8x8_t vbCDEFc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
160 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
161 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
162 const int8x8_t vb89ABc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
163 const int8x8_t vbCDEFc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
164 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
165 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
166 const int8x8_t vb89ABc2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
167 const int8x8_t vbCDEFc2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
168 const int8x8_t vb0123c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
169 const int8x8_t vb4567c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
170 const int8x8_t vb89ABc3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
171 const int8x8_t vbCDEFc3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
172
173 const int8x8_t va0c0 = vreinterpret_s8_s16(va00.val[0]);
174
175 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
176 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
177 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
178 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
179 const int16x8_t vprod0x89ABc0 = vmull_s8(vb89ABc0, va0c0);
180 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc0);
181 const int16x8_t vprod0xCDEFc0 = vmull_s8(vbCDEFc0, va0c0);
182 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc0);
183 const int8x8_t va0c1 = vreinterpret_s8_s16(va00.val[1]);
184
185 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
186 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
187 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
188 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
189 const int16x8_t vprod0x89ABc1 = vmull_s8(vb89ABc1, va0c1);
190 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc1);
191 const int16x8_t vprod0xCDEFc1 = vmull_s8(vbCDEFc1, va0c1);
192 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc1);
193 const int8x8_t va0c2 = vreinterpret_s8_s16(va01.val[0]);
194
195 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
196 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
197 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
198 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
199 const int16x8_t vprod0x89ABc2 = vmull_s8(vb89ABc2, va0c2);
200 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc2);
201 const int16x8_t vprod0xCDEFc2 = vmull_s8(vbCDEFc2, va0c2);
202 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc2);
203 const int8x8_t va0c3 = vreinterpret_s8_s16(va01.val[1]);
204
205 const int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3, va0c3);
206 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
207 const int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3, va0c3);
208 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
209 const int16x8_t vprod0x89ABc3 = vmull_s8(vb89ABc3, va0c3);
210 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc3);
211 const int16x8_t vprod0xCDEFc3 = vmull_s8(vbCDEFc3, va0c3);
212 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc3);
213
214 k -= 8 * sizeof(int8_t);
215 }
216
217 if XNN_UNLIKELY(k != 0) {
218 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
219
220 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
221 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
222 const int8x8_t vb89ABc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
223 const int8x8_t vbCDEFc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
224
225 const int8x8_t va0c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 0));
226 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
227 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
228 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
229 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
230 const int16x8_t vprod0x89ABc0 = vmull_s8(vb89ABc0, va0c0);
231 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc0);
232 const int16x8_t vprod0xCDEFc0 = vmull_s8(vbCDEFc0, va0c0);
233 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc0);
234
235 if (k > 2 * sizeof(int8_t)) {
236 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
237 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
238 const int8x8_t vb89ABc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
239 const int8x8_t vbCDEFc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
240
241 const int8x8_t va0c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 1));
242 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
243 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
244 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
245 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
246 const int16x8_t vprod0x89ABc1 = vmull_s8(vb89ABc1, va0c1);
247 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc1);
248 const int16x8_t vprod0xCDEFc1 = vmull_s8(vbCDEFc1, va0c1);
249 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc1);
250
251 if (k > 4 * sizeof(int8_t)) {
252 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
253 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
254 const int8x8_t vb89ABc2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
255 const int8x8_t vbCDEFc2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
256
257 const int8x8_t va0c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 2));
258 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
259 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
260 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
261 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
262 const int16x8_t vprod0x89ABc2 = vmull_s8(vb89ABc2, va0c2);
263 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc2);
264 const int16x8_t vprod0xCDEFc2 = vmull_s8(vbCDEFc2, va0c2);
265 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc2);
266 }
267 }
268 }
269
270 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
271 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
272 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
273
274 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
275 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
276 vacc0x89AB = vqshlq_s32(vacc0x89AB, vright_pre_shift);
277 vacc0xCDEF = vqshlq_s32(vacc0xCDEF, vright_pre_shift);
278
279 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
280 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
281 vacc0x89AB = vqdmulhq_s32(vacc0x89AB, vmultiplier);
282 vacc0xCDEF = vqdmulhq_s32(vacc0xCDEF, vmultiplier);
283
284 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
285 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
286 vacc0x89AB = vrshlq_s32(vacc0x89AB, vright_post_shift);
287 vacc0xCDEF = vrshlq_s32(vacc0xCDEF, vright_post_shift);
288
289 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
290 #if XNN_ARCH_ARM64
291 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
292 int16x8_t vacc0x89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc0x89AB), vacc0xCDEF);
293
294 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
295 vacc0x89ABCDEF = vqaddq_s16(vacc0x89ABCDEF, voutput_zero_point);
296
297 int8x16_t vout0x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc0x89ABCDEF);
298 #else
299 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
300 int16x8_t vacc0x89ABCDEF = vcombine_s16(vqmovn_s32(vacc0x89AB), vqmovn_s32(vacc0xCDEF));
301
302 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
303 vacc0x89ABCDEF = vqaddq_s16(vacc0x89ABCDEF, voutput_zero_point);
304
305 int8x16_t vout0x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc0x89ABCDEF));
306 #endif
307
308 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->rndnu_neon.output_min);
309 vout0x0123456789ABCDEF = vmaxq_s8(vout0x0123456789ABCDEF, voutput_min);
310
311 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->rndnu_neon.output_max);
312 vout0x0123456789ABCDEF = vminq_s8(vout0x0123456789ABCDEF, voutput_max);
313
314 if (nc >= 16) {
315 vst1q_s8(c0 + 0, vout0x0123456789ABCDEF);
316
317 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
318
319 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
320
321 nc -= 16;
322 } else {
323 // Final case where not all of the 16 columns fit in the destination.
324 int8x8_t vout0x01234567 = vget_low_s8(vout0x0123456789ABCDEF);
325 if (nc & 8) {
326 vst1_s8(c0, vout0x01234567); c0 += 8;
327 vout0x01234567 = vget_high_s8(vout0x0123456789ABCDEF);
328 }
329 if (nc & 4) {
330 vst1_lane_u32((void*) c0, vreinterpret_u32_s8(vout0x01234567), 0); c0 += 4;
331 vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 4);
332 }
333 if (nc & 2) {
334 vst1_lane_u16((void*) c0, vreinterpret_u16_s8(vout0x01234567), 0); c0 += 2;
335 vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 2);
336 }
337 if (nc & 1) {
338 vst1_lane_s8(c0, vout0x01234567, 0);
339 }
340
341 nc = 0;
342 }
343 } while (nc != 0);
344 }
345