1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-igemm/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_igemm_minmax_rndnu_ukernel_1x16c2__neon_mlal_ld2r(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)])17 void xnn_qs8_igemm_minmax_rndnu_ukernel_1x16c2__neon_mlal_ld2r(
18 size_t mr,
19 size_t nc,
20 size_t kc,
21 size_t ks,
22 const int8_t** restrict a,
23 const void* restrict w,
24 int8_t* restrict c,
25 size_t cm_stride,
26 size_t cn_stride,
27 size_t a_offset,
28 const int8_t* zero,
29 const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
30 {
31 assert(mr != 0);
32 assert(mr <= 1);
33 assert(nc != 0);
34 assert(kc != 0);
35 assert(ks != 0);
36 assert(ks % (1 * sizeof(void*)) == 0);
37 assert(a_offset % sizeof(int8_t) == 0);
38 assert(a != NULL);
39 assert(w != NULL);
40 assert(c != NULL);
41
42 kc = round_up_po2(kc, 2 * sizeof(int8_t));
43 int8_t* c0 = c;
44
45 do {
46 int32x4_t vacc0x0123 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
47 int32x4_t vacc0x4567 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
48 int32x4_t vacc0x89AB = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
49 int32x4_t vacc0xCDEF = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
50
51 size_t p = ks;
52 do {
53 const int8_t* restrict a0 = a[0];
54 if XNN_UNPREDICTABLE(a0 != zero) {
55 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
56 }
57 a += 1;
58
59 size_t k = kc;
60
61 while (k >= 16 * sizeof(int8_t)) {
62 const int16x4x2_t va00x0 = vld2_dup_s16((const void*)a0);
63 const int16x4x2_t va01x0 = vld2_dup_s16((const void*)(a0 + 4)); a0 += 8;
64 const int16x4x2_t va00x1 = vld2_dup_s16((const void*)a0);
65 const int16x4x2_t va01x1 = vld2_dup_s16((const void*)(a0 + 4)); a0 += 8;
66
67 const int8x8_t vb0123c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
68 const int8x8_t vb4567c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
69 const int8x8_t vb89ABc0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
70 const int8x8_t vbCDEFc0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
71 const int8x8_t vb0123c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
72 const int8x8_t vb4567c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
73 const int8x8_t vb89ABc1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
74 const int8x8_t vbCDEFc1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
75 const int8x8_t vb0123c2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
76 const int8x8_t vb4567c2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
77 const int8x8_t vb89ABc2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
78 const int8x8_t vbCDEFc2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
79 const int8x8_t vb0123c3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
80 const int8x8_t vb4567c3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
81 const int8x8_t vb89ABc3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
82 const int8x8_t vbCDEFc3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
83
84 const int8x8_t va0c0x0 = vreinterpret_s8_s16(va00x0.val[0]);
85 const int8x8_t va0c0x1 = vreinterpret_s8_s16(va00x1.val[0]);
86
87 int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0x0, va0c0x0);
88 const int8x8_t vb0123c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
89 vprod0x0123c0 = vmlal_s8(vprod0x0123c0, vb0123c0x1, va0c0x1);
90 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
91 int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0x0, va0c0x0);
92 const int8x8_t vb4567c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
93 vprod0x4567c0 = vmlal_s8(vprod0x4567c0, vb4567c0x1, va0c0x1);
94 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
95 int16x8_t vprod0x89ABc0 = vmull_s8(vb89ABc0x0, va0c0x0);
96 const int8x8_t vb89ABc0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
97 vprod0x89ABc0 = vmlal_s8(vprod0x89ABc0, vb89ABc0x1, va0c0x1);
98 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc0);
99 int16x8_t vprod0xCDEFc0 = vmull_s8(vbCDEFc0x0, va0c0x0);
100 const int8x8_t vbCDEFc0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
101 vprod0xCDEFc0 = vmlal_s8(vprod0xCDEFc0, vbCDEFc0x1, va0c0x1);
102 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc0);
103 const int8x8_t va0c1x0 = vreinterpret_s8_s16(va00x0.val[1]);
104 const int8x8_t va0c1x1 = vreinterpret_s8_s16(va00x1.val[1]);
105
106 int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1x0, va0c1x0);
107 const int8x8_t vb0123c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
108 vprod0x0123c1 = vmlal_s8(vprod0x0123c1, vb0123c1x1, va0c1x1);
109 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
110 int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1x0, va0c1x0);
111 const int8x8_t vb4567c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
112 vprod0x4567c1 = vmlal_s8(vprod0x4567c1, vb4567c1x1, va0c1x1);
113 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
114 int16x8_t vprod0x89ABc1 = vmull_s8(vb89ABc1x0, va0c1x0);
115 const int8x8_t vb89ABc1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
116 vprod0x89ABc1 = vmlal_s8(vprod0x89ABc1, vb89ABc1x1, va0c1x1);
117 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc1);
118 int16x8_t vprod0xCDEFc1 = vmull_s8(vbCDEFc1x0, va0c1x0);
119 const int8x8_t vbCDEFc1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
120 vprod0xCDEFc1 = vmlal_s8(vprod0xCDEFc1, vbCDEFc1x1, va0c1x1);
121 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc1);
122 const int8x8_t va0c2x0 = vreinterpret_s8_s16(va01x0.val[0]);
123 const int8x8_t va0c2x1 = vreinterpret_s8_s16(va01x1.val[0]);
124
125 int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2x0, va0c2x0);
126 const int8x8_t vb0123c2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
127 vprod0x0123c2 = vmlal_s8(vprod0x0123c2, vb0123c2x1, va0c2x1);
128 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
129 int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2x0, va0c2x0);
130 const int8x8_t vb4567c2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
131 vprod0x4567c2 = vmlal_s8(vprod0x4567c2, vb4567c2x1, va0c2x1);
132 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
133 int16x8_t vprod0x89ABc2 = vmull_s8(vb89ABc2x0, va0c2x0);
134 const int8x8_t vb89ABc2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
135 vprod0x89ABc2 = vmlal_s8(vprod0x89ABc2, vb89ABc2x1, va0c2x1);
136 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc2);
137 int16x8_t vprod0xCDEFc2 = vmull_s8(vbCDEFc2x0, va0c2x0);
138 const int8x8_t vbCDEFc2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
139 vprod0xCDEFc2 = vmlal_s8(vprod0xCDEFc2, vbCDEFc2x1, va0c2x1);
140 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc2);
141 const int8x8_t va0c3x0 = vreinterpret_s8_s16(va01x0.val[1]);
142 const int8x8_t va0c3x1 = vreinterpret_s8_s16(va01x1.val[1]);
143
144 int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3x0, va0c3x0);
145 const int8x8_t vb0123c3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
146 vprod0x0123c3 = vmlal_s8(vprod0x0123c3, vb0123c3x1, va0c3x1);
147 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
148 int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3x0, va0c3x0);
149 const int8x8_t vb4567c3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
150 vprod0x4567c3 = vmlal_s8(vprod0x4567c3, vb4567c3x1, va0c3x1);
151 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
152 int16x8_t vprod0x89ABc3 = vmull_s8(vb89ABc3x0, va0c3x0);
153 const int8x8_t vb89ABc3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
154 vprod0x89ABc3 = vmlal_s8(vprod0x89ABc3, vb89ABc3x1, va0c3x1);
155 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc3);
156 int16x8_t vprod0xCDEFc3 = vmull_s8(vbCDEFc3x0, va0c3x0);
157 const int8x8_t vbCDEFc3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
158 vprod0xCDEFc3 = vmlal_s8(vprod0xCDEFc3, vbCDEFc3x1, va0c3x1);
159 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc3);
160
161 k -= 16 * sizeof(int8_t);
162 }
163
164 if (k >= 8 * sizeof(int8_t)) {
165 const int16x4x2_t va00 = vld2_dup_s16((const void*)a0);
166 const int16x4x2_t va01 = vld2_dup_s16((const void*)(a0 + 4)); a0 += 8;
167
168 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
169 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
170 const int8x8_t vb89ABc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
171 const int8x8_t vbCDEFc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
172 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
173 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
174 const int8x8_t vb89ABc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
175 const int8x8_t vbCDEFc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
176 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
177 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
178 const int8x8_t vb89ABc2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
179 const int8x8_t vbCDEFc2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
180 const int8x8_t vb0123c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
181 const int8x8_t vb4567c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
182 const int8x8_t vb89ABc3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
183 const int8x8_t vbCDEFc3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
184
185 const int8x8_t va0c0 = vreinterpret_s8_s16(va00.val[0]);
186
187 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
188 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
189 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
190 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
191 const int16x8_t vprod0x89ABc0 = vmull_s8(vb89ABc0, va0c0);
192 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc0);
193 const int16x8_t vprod0xCDEFc0 = vmull_s8(vbCDEFc0, va0c0);
194 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc0);
195 const int8x8_t va0c1 = vreinterpret_s8_s16(va00.val[1]);
196
197 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
198 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
199 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
200 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
201 const int16x8_t vprod0x89ABc1 = vmull_s8(vb89ABc1, va0c1);
202 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc1);
203 const int16x8_t vprod0xCDEFc1 = vmull_s8(vbCDEFc1, va0c1);
204 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc1);
205 const int8x8_t va0c2 = vreinterpret_s8_s16(va01.val[0]);
206
207 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
208 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
209 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
210 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
211 const int16x8_t vprod0x89ABc2 = vmull_s8(vb89ABc2, va0c2);
212 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc2);
213 const int16x8_t vprod0xCDEFc2 = vmull_s8(vbCDEFc2, va0c2);
214 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc2);
215 const int8x8_t va0c3 = vreinterpret_s8_s16(va01.val[1]);
216
217 const int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3, va0c3);
218 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
219 const int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3, va0c3);
220 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
221 const int16x8_t vprod0x89ABc3 = vmull_s8(vb89ABc3, va0c3);
222 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc3);
223 const int16x8_t vprod0xCDEFc3 = vmull_s8(vbCDEFc3, va0c3);
224 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc3);
225
226 k -= 8 * sizeof(int8_t);
227 }
228
229 if XNN_UNLIKELY(k != 0) {
230 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
231
232 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
233 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
234 const int8x8_t vb89ABc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
235 const int8x8_t vbCDEFc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
236
237 const int8x8_t va0c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 0));
238 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
239 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
240 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
241 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
242 const int16x8_t vprod0x89ABc0 = vmull_s8(vb89ABc0, va0c0);
243 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc0);
244 const int16x8_t vprod0xCDEFc0 = vmull_s8(vbCDEFc0, va0c0);
245 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc0);
246
247 if (k > 2 * sizeof(int8_t)) {
248 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
249 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
250 const int8x8_t vb89ABc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
251 const int8x8_t vbCDEFc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
252
253 const int8x8_t va0c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 1));
254 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
255 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
256 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
257 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
258 const int16x8_t vprod0x89ABc1 = vmull_s8(vb89ABc1, va0c1);
259 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc1);
260 const int16x8_t vprod0xCDEFc1 = vmull_s8(vbCDEFc1, va0c1);
261 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc1);
262
263 if (k > 4 * sizeof(int8_t)) {
264 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
265 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
266 const int8x8_t vb89ABc2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
267 const int8x8_t vbCDEFc2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
268
269 const int8x8_t va0c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 2));
270 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
271 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
272 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
273 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
274 const int16x8_t vprod0x89ABc2 = vmull_s8(vb89ABc2, va0c2);
275 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc2);
276 const int16x8_t vprod0xCDEFc2 = vmull_s8(vbCDEFc2, va0c2);
277 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc2);
278 }
279 }
280 }
281 p -= 1 * sizeof(void*);
282 } while (p != 0);
283
284 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
285 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
286 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
287
288 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
289 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
290 vacc0x89AB = vqshlq_s32(vacc0x89AB, vright_pre_shift);
291 vacc0xCDEF = vqshlq_s32(vacc0xCDEF, vright_pre_shift);
292
293 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
294 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
295 vacc0x89AB = vqdmulhq_s32(vacc0x89AB, vmultiplier);
296 vacc0xCDEF = vqdmulhq_s32(vacc0xCDEF, vmultiplier);
297
298 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
299 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
300 vacc0x89AB = vrshlq_s32(vacc0x89AB, vright_post_shift);
301 vacc0xCDEF = vrshlq_s32(vacc0xCDEF, vright_post_shift);
302
303 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
304 #if XNN_ARCH_ARM64
305 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
306 int16x8_t vacc0x89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc0x89AB), vacc0xCDEF);
307
308 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
309 vacc0x89ABCDEF = vqaddq_s16(vacc0x89ABCDEF, voutput_zero_point);
310
311 int8x16_t vout0x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc0x89ABCDEF);
312 #else
313 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
314 int16x8_t vacc0x89ABCDEF = vcombine_s16(vqmovn_s32(vacc0x89AB), vqmovn_s32(vacc0xCDEF));
315
316 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
317 vacc0x89ABCDEF = vqaddq_s16(vacc0x89ABCDEF, voutput_zero_point);
318
319 int8x16_t vout0x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc0x89ABCDEF));
320 #endif
321
322 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->rndnu_neon.output_min);
323 vout0x0123456789ABCDEF = vmaxq_s8(vout0x0123456789ABCDEF, voutput_min);
324
325 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->rndnu_neon.output_max);
326 vout0x0123456789ABCDEF = vminq_s8(vout0x0123456789ABCDEF, voutput_max);
327
328 if (nc >= 16) {
329 vst1q_s8(c0 + 0, vout0x0123456789ABCDEF);
330
331 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
332
333 a = (const int8_t**restrict) ((uintptr_t) a - ks);
334
335 nc -= 16;
336 } else {
337 int8x8_t vout0x01234567 = vget_low_s8(vout0x0123456789ABCDEF);
338 if (nc & 8) {
339 vst1_s8(c0, vout0x01234567); c0 += 8;
340 vout0x01234567 = vget_high_s8(vout0x0123456789ABCDEF);
341 }
342 if (nc & 4) {
343 vst1_lane_u32((void*) c0, vreinterpret_u32_s8(vout0x01234567), 0); c0 += 4;
344 vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 4);
345 }
346 if (nc & 2) {
347 vst1_lane_u16((void*) c0, vreinterpret_u16_s8(vout0x01234567), 0); c0 += 2;
348 vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 2);
349 }
350 if (nc & 1) {
351 vst1_lane_s8(c0, vout0x01234567, 0);
352 }
353
354 nc = 0;
355 }
356 } while (nc != 0);
357 }
358