1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-igemm/c4-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
17
xnn_qs8_igemm_minmax_rndnu_ukernel_1x16c4__neon_mlal_ld1r(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_1x16c4__neon_mlal_ld1r(
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 <= 1);
34 assert(nc != 0);
35 assert(kc != 0);
36 assert(ks != 0);
37 assert(ks % (1 * 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, 4 * sizeof(int8_t));
44 int8_t* c0 = c;
45
46 do {
47 int32x4_t vacc0x01 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
48 int32x4_t vacc0x23 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
49 int32x4_t vacc0x45 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
50 int32x4_t vacc0x67 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
51 int32x4_t vacc0x89 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
52 int32x4_t vacc0xAB = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
53 int32x4_t vacc0xCD = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
54 int32x4_t vacc0xEF = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
55
56 size_t p = ks;
57 do {
58 const int8_t* restrict a0 = a[0];
59 if XNN_UNPREDICTABLE(a0 != zero) {
60 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
61 }
62 a += 1;
63
64 size_t k = kc;
65
66 while (k >= 16 * sizeof(int8_t)) {
67 const int32x2_t va00x0 = vld1_dup_s32((const void*)a0);
68 const int32x2_t va01x0 = vld1_dup_s32((const void*)(a0 + 4)); a0 += 8;
69 const int32x2_t va00x1 = vld1_dup_s32((const void*)a0);
70 const int32x2_t va01x1 = vld1_dup_s32((const void*)(a0 + 4)); a0 += 8;
71
72 const int8x8_t vb01c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
73 const int8x8_t vb23c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
74 const int8x8_t vb45c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
75 const int8x8_t vb67c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
76 const int8x8_t vb89c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
77 const int8x8_t vbABc0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
78 const int8x8_t vbCDc0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
79 const int8x8_t vbEFc0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
80 const int8x8_t vb01c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
81 const int8x8_t vb23c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
82 const int8x8_t vb45c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
83 const int8x8_t vb67c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
84 const int8x8_t vb89c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
85 const int8x8_t vbABc1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
86 const int8x8_t vbCDc1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
87 const int8x8_t vbEFc1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
88
89 const int8x8_t va0c0x0 = vreinterpret_s8_s32(va00x0);
90 const int8x8_t va0c0x1 = vreinterpret_s8_s32(va00x1);
91
92 int16x8_t vprod0x01c0 = vmull_s8(vb01c0x0, va0c0x0);
93 const int8x8_t vb01c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
94 vprod0x01c0 = vmlal_s8(vprod0x01c0, vb01c0x1, va0c0x1);
95 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
96 int16x8_t vprod0x23c0 = vmull_s8(vb23c0x0, va0c0x0);
97 const int8x8_t vb23c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
98 vprod0x23c0 = vmlal_s8(vprod0x23c0, vb23c0x1, va0c0x1);
99 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
100 int16x8_t vprod0x45c0 = vmull_s8(vb45c0x0, va0c0x0);
101 const int8x8_t vb45c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
102 vprod0x45c0 = vmlal_s8(vprod0x45c0, vb45c0x1, va0c0x1);
103 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
104 int16x8_t vprod0x67c0 = vmull_s8(vb67c0x0, va0c0x0);
105 const int8x8_t vb67c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
106 vprod0x67c0 = vmlal_s8(vprod0x67c0, vb67c0x1, va0c0x1);
107 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
108 int16x8_t vprod0x89c0 = vmull_s8(vb89c0x0, va0c0x0);
109 const int8x8_t vb89c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
110 vprod0x89c0 = vmlal_s8(vprod0x89c0, vb89c0x1, va0c0x1);
111 vacc0x89 = vpadalq_s16(vacc0x89, vprod0x89c0);
112 int16x8_t vprod0xABc0 = vmull_s8(vbABc0x0, va0c0x0);
113 const int8x8_t vbABc0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
114 vprod0xABc0 = vmlal_s8(vprod0xABc0, vbABc0x1, va0c0x1);
115 vacc0xAB = vpadalq_s16(vacc0xAB, vprod0xABc0);
116 int16x8_t vprod0xCDc0 = vmull_s8(vbCDc0x0, va0c0x0);
117 const int8x8_t vbCDc0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
118 vprod0xCDc0 = vmlal_s8(vprod0xCDc0, vbCDc0x1, va0c0x1);
119 vacc0xCD = vpadalq_s16(vacc0xCD, vprod0xCDc0);
120 int16x8_t vprod0xEFc0 = vmull_s8(vbEFc0x0, va0c0x0);
121 const int8x8_t vbEFc0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
122 vprod0xEFc0 = vmlal_s8(vprod0xEFc0, vbEFc0x1, va0c0x1);
123 vacc0xEF = vpadalq_s16(vacc0xEF, vprod0xEFc0);
124 const int8x8_t va0c1x0 = vreinterpret_s8_s32(va01x0);
125 const int8x8_t va0c1x1 = vreinterpret_s8_s32(va01x1);
126
127 int16x8_t vprod0x01c1 = vmull_s8(vb01c1x0, va0c1x0);
128 const int8x8_t vb01c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
129 vprod0x01c1 = vmlal_s8(vprod0x01c1, vb01c1x1, va0c1x1);
130 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c1);
131 int16x8_t vprod0x23c1 = vmull_s8(vb23c1x0, va0c1x0);
132 const int8x8_t vb23c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
133 vprod0x23c1 = vmlal_s8(vprod0x23c1, vb23c1x1, va0c1x1);
134 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c1);
135 int16x8_t vprod0x45c1 = vmull_s8(vb45c1x0, va0c1x0);
136 const int8x8_t vb45c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
137 vprod0x45c1 = vmlal_s8(vprod0x45c1, vb45c1x1, va0c1x1);
138 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c1);
139 int16x8_t vprod0x67c1 = vmull_s8(vb67c1x0, va0c1x0);
140 const int8x8_t vb67c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
141 vprod0x67c1 = vmlal_s8(vprod0x67c1, vb67c1x1, va0c1x1);
142 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c1);
143 int16x8_t vprod0x89c1 = vmull_s8(vb89c1x0, va0c1x0);
144 const int8x8_t vb89c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
145 vprod0x89c1 = vmlal_s8(vprod0x89c1, vb89c1x1, va0c1x1);
146 vacc0x89 = vpadalq_s16(vacc0x89, vprod0x89c1);
147 int16x8_t vprod0xABc1 = vmull_s8(vbABc1x0, va0c1x0);
148 const int8x8_t vbABc1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
149 vprod0xABc1 = vmlal_s8(vprod0xABc1, vbABc1x1, va0c1x1);
150 vacc0xAB = vpadalq_s16(vacc0xAB, vprod0xABc1);
151 int16x8_t vprod0xCDc1 = vmull_s8(vbCDc1x0, va0c1x0);
152 const int8x8_t vbCDc1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
153 vprod0xCDc1 = vmlal_s8(vprod0xCDc1, vbCDc1x1, va0c1x1);
154 vacc0xCD = vpadalq_s16(vacc0xCD, vprod0xCDc1);
155 int16x8_t vprod0xEFc1 = vmull_s8(vbEFc1x0, va0c1x0);
156 const int8x8_t vbEFc1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
157 vprod0xEFc1 = vmlal_s8(vprod0xEFc1, vbEFc1x1, va0c1x1);
158 vacc0xEF = vpadalq_s16(vacc0xEF, vprod0xEFc1);
159
160 k -= 16 * sizeof(int8_t);
161 }
162
163 if (k >= 8 * sizeof(int8_t)) {
164 const int32x2_t va00 = vld1_dup_s32((const void*)a0);
165 const int32x2_t va01 = vld1_dup_s32((const void*)(a0 + 4)); a0 += 8;
166
167 const int8x8_t vb01c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
168 const int8x8_t vb23c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
169 const int8x8_t vb45c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
170 const int8x8_t vb67c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
171 const int8x8_t vb89c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
172 const int8x8_t vbABc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
173 const int8x8_t vbCDc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
174 const int8x8_t vbEFc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
175 const int8x8_t vb01c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
176 const int8x8_t vb23c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
177 const int8x8_t vb45c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
178 const int8x8_t vb67c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
179 const int8x8_t vb89c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
180 const int8x8_t vbABc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
181 const int8x8_t vbCDc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
182 const int8x8_t vbEFc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
183
184 const int8x8_t va0c0 = vreinterpret_s8_s32(va00);
185
186 const int16x8_t vprod0x01c0 = vmull_s8(vb01c0, va0c0);
187 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
188 const int16x8_t vprod0x23c0 = vmull_s8(vb23c0, va0c0);
189 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
190 const int16x8_t vprod0x45c0 = vmull_s8(vb45c0, va0c0);
191 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
192 const int16x8_t vprod0x67c0 = vmull_s8(vb67c0, va0c0);
193 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
194 const int16x8_t vprod0x89c0 = vmull_s8(vb89c0, va0c0);
195 vacc0x89 = vpadalq_s16(vacc0x89, vprod0x89c0);
196 const int16x8_t vprod0xABc0 = vmull_s8(vbABc0, va0c0);
197 vacc0xAB = vpadalq_s16(vacc0xAB, vprod0xABc0);
198 const int16x8_t vprod0xCDc0 = vmull_s8(vbCDc0, va0c0);
199 vacc0xCD = vpadalq_s16(vacc0xCD, vprod0xCDc0);
200 const int16x8_t vprod0xEFc0 = vmull_s8(vbEFc0, va0c0);
201 vacc0xEF = vpadalq_s16(vacc0xEF, vprod0xEFc0);
202 const int8x8_t va0c1 = vreinterpret_s8_s32(va01);
203
204 const int16x8_t vprod0x01c1 = vmull_s8(vb01c1, va0c1);
205 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c1);
206 const int16x8_t vprod0x23c1 = vmull_s8(vb23c1, va0c1);
207 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c1);
208 const int16x8_t vprod0x45c1 = vmull_s8(vb45c1, va0c1);
209 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c1);
210 const int16x8_t vprod0x67c1 = vmull_s8(vb67c1, va0c1);
211 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c1);
212 const int16x8_t vprod0x89c1 = vmull_s8(vb89c1, va0c1);
213 vacc0x89 = vpadalq_s16(vacc0x89, vprod0x89c1);
214 const int16x8_t vprod0xABc1 = vmull_s8(vbABc1, va0c1);
215 vacc0xAB = vpadalq_s16(vacc0xAB, vprod0xABc1);
216 const int16x8_t vprod0xCDc1 = vmull_s8(vbCDc1, va0c1);
217 vacc0xCD = vpadalq_s16(vacc0xCD, vprod0xCDc1);
218 const int16x8_t vprod0xEFc1 = vmull_s8(vbEFc1, va0c1);
219 vacc0xEF = vpadalq_s16(vacc0xEF, vprod0xEFc1);
220
221 k -= 8 * sizeof(int8_t);
222 }
223
224 if XNN_UNLIKELY(k != 0) {
225 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
226
227 const int8x8_t vb01c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
228 const int8x8_t vb23c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
229 const int8x8_t vb45c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
230 const int8x8_t vb67c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
231 const int8x8_t vb89c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
232 const int8x8_t vbABc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
233 const int8x8_t vbCDc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
234 const int8x8_t vbEFc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
235
236 const int8x8_t va0c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0), 0));
237 const int16x8_t vprod0x01c0 = vmull_s8(vb01c0, va0c0);
238 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
239 const int16x8_t vprod0x23c0 = vmull_s8(vb23c0, va0c0);
240 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
241 const int16x8_t vprod0x45c0 = vmull_s8(vb45c0, va0c0);
242 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
243 const int16x8_t vprod0x67c0 = vmull_s8(vb67c0, va0c0);
244 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
245 const int16x8_t vprod0x89c0 = vmull_s8(vb89c0, va0c0);
246 vacc0x89 = vpadalq_s16(vacc0x89, vprod0x89c0);
247 const int16x8_t vprod0xABc0 = vmull_s8(vbABc0, va0c0);
248 vacc0xAB = vpadalq_s16(vacc0xAB, vprod0xABc0);
249 const int16x8_t vprod0xCDc0 = vmull_s8(vbCDc0, va0c0);
250 vacc0xCD = vpadalq_s16(vacc0xCD, vprod0xCDc0);
251 const int16x8_t vprod0xEFc0 = vmull_s8(vbEFc0, va0c0);
252 vacc0xEF = vpadalq_s16(vacc0xEF, vprod0xEFc0);
253 }
254 p -= 1 * sizeof(void*);
255 } while (p != 0);
256
257 #if XNN_ARCH_ARM64
258 int32x4_t vacc0x0123 = vpaddq_s32(vacc0x01, vacc0x23);
259 int32x4_t vacc0x4567 = vpaddq_s32(vacc0x45, vacc0x67);
260 int32x4_t vacc0x89AB = vpaddq_s32(vacc0x89, vacc0xAB);
261 int32x4_t vacc0xCDEF = vpaddq_s32(vacc0xCD, vacc0xEF);
262 #else
263 const int32x2_t vsum0x01 = vpadd_s32(vget_low_s32(vacc0x01), vget_high_s32(vacc0x01));
264 const int32x2_t vsum0x23 = vpadd_s32(vget_low_s32(vacc0x23), vget_high_s32(vacc0x23));
265 int32x4_t vacc0x0123 = vcombine_s32(vsum0x01, vsum0x23);
266 const int32x2_t vsum0x45 = vpadd_s32(vget_low_s32(vacc0x45), vget_high_s32(vacc0x45));
267 const int32x2_t vsum0x67 = vpadd_s32(vget_low_s32(vacc0x67), vget_high_s32(vacc0x67));
268 int32x4_t vacc0x4567 = vcombine_s32(vsum0x45, vsum0x67);
269 const int32x2_t vsum0x89 = vpadd_s32(vget_low_s32(vacc0x89), vget_high_s32(vacc0x89));
270 const int32x2_t vsum0xAB = vpadd_s32(vget_low_s32(vacc0xAB), vget_high_s32(vacc0xAB));
271 int32x4_t vacc0x89AB = vcombine_s32(vsum0x89, vsum0xAB);
272 const int32x2_t vsum0xCD = vpadd_s32(vget_low_s32(vacc0xCD), vget_high_s32(vacc0xCD));
273 const int32x2_t vsum0xEF = vpadd_s32(vget_low_s32(vacc0xEF), vget_high_s32(vacc0xEF));
274 int32x4_t vacc0xCDEF = vcombine_s32(vsum0xCD, vsum0xEF);
275 #endif
276
277 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
278 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
279 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
280
281 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
282 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
283 vacc0x89AB = vqshlq_s32(vacc0x89AB, vright_pre_shift);
284 vacc0xCDEF = vqshlq_s32(vacc0xCDEF, vright_pre_shift);
285
286 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
287 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
288 vacc0x89AB = vqdmulhq_s32(vacc0x89AB, vmultiplier);
289 vacc0xCDEF = vqdmulhq_s32(vacc0xCDEF, vmultiplier);
290
291 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
292 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
293 vacc0x89AB = vrshlq_s32(vacc0x89AB, vright_post_shift);
294 vacc0xCDEF = vrshlq_s32(vacc0xCDEF, vright_post_shift);
295
296 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
297 #if XNN_ARCH_ARM64
298 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
299 int16x8_t vacc0x89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc0x89AB), vacc0xCDEF);
300
301 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
302 vacc0x89ABCDEF = vqaddq_s16(vacc0x89ABCDEF, voutput_zero_point);
303
304 int8x16_t vout0x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc0x89ABCDEF);
305 #else
306 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
307 int16x8_t vacc0x89ABCDEF = vcombine_s16(vqmovn_s32(vacc0x89AB), vqmovn_s32(vacc0xCDEF));
308
309 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
310 vacc0x89ABCDEF = vqaddq_s16(vacc0x89ABCDEF, voutput_zero_point);
311
312 int8x16_t vout0x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc0x89ABCDEF));
313 #endif
314
315 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->rndnu_neon.output_min);
316 vout0x0123456789ABCDEF = vmaxq_s8(vout0x0123456789ABCDEF, voutput_min);
317
318 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->rndnu_neon.output_max);
319 vout0x0123456789ABCDEF = vminq_s8(vout0x0123456789ABCDEF, voutput_max);
320
321 if (nc >= 16) {
322 vst1q_s8(c0 + 0, vout0x0123456789ABCDEF);
323
324 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
325
326 a = (const int8_t**restrict) ((uintptr_t) a - ks);
327
328 nc -= 16;
329 } else {
330 int8x8_t vout0x01234567 = vget_low_s8(vout0x0123456789ABCDEF);
331 if (nc & 8) {
332 vst1_s8(c0, vout0x01234567); c0 += 8;
333 vout0x01234567 = vget_high_s8(vout0x0123456789ABCDEF);
334 }
335 if (nc & 4) {
336 vst1_lane_u32((void*) c0, vreinterpret_u32_s8(vout0x01234567), 0); c0 += 4;
337 vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 4);
338 }
339 if (nc & 2) {
340 vst1_lane_u16((void*) c0, vreinterpret_u16_s8(vout0x01234567), 0); c0 += 2;
341 vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 2);
342 }
343 if (nc & 1) {
344 vst1_lane_s8(c0, vout0x01234567, 0);
345 }
346
347 nc = 0;
348 }
349 } while (nc != 0);
350 }
351