1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-gemm/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_gemm_minmax_rndnu_ukernel_1x16c4__neon_mlal_dup(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_1x16c4__neon_mlal_dup(
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 <= 1);
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, 4 * sizeof(int8_t));
40 const int8_t* a0 = a;
41 int8_t* c0 = c;
42
43 do {
44 int32x4_t vacc0x01 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
45 int32x4_t vacc0x23 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
46 int32x4_t vacc0x45 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
47 int32x4_t vacc0x67 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
48 int32x4_t vacc0x89 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
49 int32x4_t vacc0xAB = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
50 int32x4_t vacc0xCD = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
51 int32x4_t vacc0xEF = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
52
53 size_t k = kc;
54
55 while (k >= 16 * sizeof(int8_t)) {
56 const int8x8_t va0x0 = vld1_s8(a0); a0 += 8;
57 const int8x8_t va0x1 = vld1_s8(a0); a0 += 8;
58
59 const int8x8_t vb01c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
60 const int8x8_t vb23c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
61 const int8x8_t vb45c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
62 const int8x8_t vb67c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
63 const int8x8_t vb89c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
64 const int8x8_t vbABc0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
65 const int8x8_t vbCDc0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
66 const int8x8_t vbEFc0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
67 const int8x8_t vb01c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
68 const int8x8_t vb23c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
69 const int8x8_t vb45c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
70 const int8x8_t vb67c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
71 const int8x8_t vb89c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
72 const int8x8_t vbABc1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
73 const int8x8_t vbCDc1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
74 const int8x8_t vbEFc1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
75
76 const int8x8_t va0c0x0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0x0), 0));
77 const int8x8_t va0c0x1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0x1), 0));
78
79 int16x8_t vprod0x01c0 = vmull_s8(vb01c0x0, va0c0x0);
80 const int8x8_t vb01c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
81 vprod0x01c0 = vmlal_s8(vprod0x01c0, vb01c0x1, va0c0x1);
82 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
83 int16x8_t vprod0x23c0 = vmull_s8(vb23c0x0, va0c0x0);
84 const int8x8_t vb23c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
85 vprod0x23c0 = vmlal_s8(vprod0x23c0, vb23c0x1, va0c0x1);
86 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
87 int16x8_t vprod0x45c0 = vmull_s8(vb45c0x0, va0c0x0);
88 const int8x8_t vb45c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
89 vprod0x45c0 = vmlal_s8(vprod0x45c0, vb45c0x1, va0c0x1);
90 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
91 int16x8_t vprod0x67c0 = vmull_s8(vb67c0x0, va0c0x0);
92 const int8x8_t vb67c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
93 vprod0x67c0 = vmlal_s8(vprod0x67c0, vb67c0x1, va0c0x1);
94 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
95 int16x8_t vprod0x89c0 = vmull_s8(vb89c0x0, va0c0x0);
96 const int8x8_t vb89c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
97 vprod0x89c0 = vmlal_s8(vprod0x89c0, vb89c0x1, va0c0x1);
98 vacc0x89 = vpadalq_s16(vacc0x89, vprod0x89c0);
99 int16x8_t vprod0xABc0 = vmull_s8(vbABc0x0, va0c0x0);
100 const int8x8_t vbABc0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
101 vprod0xABc0 = vmlal_s8(vprod0xABc0, vbABc0x1, va0c0x1);
102 vacc0xAB = vpadalq_s16(vacc0xAB, vprod0xABc0);
103 int16x8_t vprod0xCDc0 = vmull_s8(vbCDc0x0, va0c0x0);
104 const int8x8_t vbCDc0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
105 vprod0xCDc0 = vmlal_s8(vprod0xCDc0, vbCDc0x1, va0c0x1);
106 vacc0xCD = vpadalq_s16(vacc0xCD, vprod0xCDc0);
107 int16x8_t vprod0xEFc0 = vmull_s8(vbEFc0x0, va0c0x0);
108 const int8x8_t vbEFc0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
109 vprod0xEFc0 = vmlal_s8(vprod0xEFc0, vbEFc0x1, va0c0x1);
110 vacc0xEF = vpadalq_s16(vacc0xEF, vprod0xEFc0);
111 const int8x8_t va0c1x0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0x0), 1));
112 const int8x8_t va0c1x1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0x1), 1));
113
114 int16x8_t vprod0x01c1 = vmull_s8(vb01c1x0, va0c1x0);
115 const int8x8_t vb01c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
116 vprod0x01c1 = vmlal_s8(vprod0x01c1, vb01c1x1, va0c1x1);
117 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c1);
118 int16x8_t vprod0x23c1 = vmull_s8(vb23c1x0, va0c1x0);
119 const int8x8_t vb23c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
120 vprod0x23c1 = vmlal_s8(vprod0x23c1, vb23c1x1, va0c1x1);
121 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c1);
122 int16x8_t vprod0x45c1 = vmull_s8(vb45c1x0, va0c1x0);
123 const int8x8_t vb45c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
124 vprod0x45c1 = vmlal_s8(vprod0x45c1, vb45c1x1, va0c1x1);
125 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c1);
126 int16x8_t vprod0x67c1 = vmull_s8(vb67c1x0, va0c1x0);
127 const int8x8_t vb67c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
128 vprod0x67c1 = vmlal_s8(vprod0x67c1, vb67c1x1, va0c1x1);
129 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c1);
130 int16x8_t vprod0x89c1 = vmull_s8(vb89c1x0, va0c1x0);
131 const int8x8_t vb89c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
132 vprod0x89c1 = vmlal_s8(vprod0x89c1, vb89c1x1, va0c1x1);
133 vacc0x89 = vpadalq_s16(vacc0x89, vprod0x89c1);
134 int16x8_t vprod0xABc1 = vmull_s8(vbABc1x0, va0c1x0);
135 const int8x8_t vbABc1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
136 vprod0xABc1 = vmlal_s8(vprod0xABc1, vbABc1x1, va0c1x1);
137 vacc0xAB = vpadalq_s16(vacc0xAB, vprod0xABc1);
138 int16x8_t vprod0xCDc1 = vmull_s8(vbCDc1x0, va0c1x0);
139 const int8x8_t vbCDc1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
140 vprod0xCDc1 = vmlal_s8(vprod0xCDc1, vbCDc1x1, va0c1x1);
141 vacc0xCD = vpadalq_s16(vacc0xCD, vprod0xCDc1);
142 int16x8_t vprod0xEFc1 = vmull_s8(vbEFc1x0, va0c1x0);
143 const int8x8_t vbEFc1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
144 vprod0xEFc1 = vmlal_s8(vprod0xEFc1, vbEFc1x1, va0c1x1);
145 vacc0xEF = vpadalq_s16(vacc0xEF, vprod0xEFc1);
146
147 k -= 16 * sizeof(int8_t);
148 }
149
150 if (k >= 8 * sizeof(int8_t)) {
151 const int8x8_t va0 = vld1_s8(a0); a0 += 8;
152
153 const int8x8_t vb01c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
154 const int8x8_t vb23c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
155 const int8x8_t vb45c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
156 const int8x8_t vb67c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
157 const int8x8_t vb89c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
158 const int8x8_t vbABc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
159 const int8x8_t vbCDc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
160 const int8x8_t vbEFc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
161 const int8x8_t vb01c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
162 const int8x8_t vb23c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
163 const int8x8_t vb45c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
164 const int8x8_t vb67c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
165 const int8x8_t vb89c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
166 const int8x8_t vbABc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
167 const int8x8_t vbCDc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
168 const int8x8_t vbEFc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
169
170 const int8x8_t va0c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0), 0));
171
172 const int16x8_t vprod0x01c0 = vmull_s8(vb01c0, va0c0);
173 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
174 const int16x8_t vprod0x23c0 = vmull_s8(vb23c0, va0c0);
175 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
176 const int16x8_t vprod0x45c0 = vmull_s8(vb45c0, va0c0);
177 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
178 const int16x8_t vprod0x67c0 = vmull_s8(vb67c0, va0c0);
179 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
180 const int16x8_t vprod0x89c0 = vmull_s8(vb89c0, va0c0);
181 vacc0x89 = vpadalq_s16(vacc0x89, vprod0x89c0);
182 const int16x8_t vprod0xABc0 = vmull_s8(vbABc0, va0c0);
183 vacc0xAB = vpadalq_s16(vacc0xAB, vprod0xABc0);
184 const int16x8_t vprod0xCDc0 = vmull_s8(vbCDc0, va0c0);
185 vacc0xCD = vpadalq_s16(vacc0xCD, vprod0xCDc0);
186 const int16x8_t vprod0xEFc0 = vmull_s8(vbEFc0, va0c0);
187 vacc0xEF = vpadalq_s16(vacc0xEF, vprod0xEFc0);
188 const int8x8_t va0c1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0), 1));
189
190 const int16x8_t vprod0x01c1 = vmull_s8(vb01c1, va0c1);
191 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c1);
192 const int16x8_t vprod0x23c1 = vmull_s8(vb23c1, va0c1);
193 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c1);
194 const int16x8_t vprod0x45c1 = vmull_s8(vb45c1, va0c1);
195 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c1);
196 const int16x8_t vprod0x67c1 = vmull_s8(vb67c1, va0c1);
197 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c1);
198 const int16x8_t vprod0x89c1 = vmull_s8(vb89c1, va0c1);
199 vacc0x89 = vpadalq_s16(vacc0x89, vprod0x89c1);
200 const int16x8_t vprod0xABc1 = vmull_s8(vbABc1, va0c1);
201 vacc0xAB = vpadalq_s16(vacc0xAB, vprod0xABc1);
202 const int16x8_t vprod0xCDc1 = vmull_s8(vbCDc1, va0c1);
203 vacc0xCD = vpadalq_s16(vacc0xCD, vprod0xCDc1);
204 const int16x8_t vprod0xEFc1 = vmull_s8(vbEFc1, va0c1);
205 vacc0xEF = vpadalq_s16(vacc0xEF, vprod0xEFc1);
206
207 k -= 8 * sizeof(int8_t);
208 }
209
210 if XNN_UNLIKELY(k != 0) {
211 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
212
213 const int8x8_t vb01c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
214 const int8x8_t vb23c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
215 const int8x8_t vb45c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
216 const int8x8_t vb67c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
217 const int8x8_t vb89c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
218 const int8x8_t vbABc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
219 const int8x8_t vbCDc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
220 const int8x8_t vbEFc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
221
222 const int8x8_t va0c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0), 0));
223 const int16x8_t vprod0x01c0 = vmull_s8(vb01c0, va0c0);
224 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
225 const int16x8_t vprod0x23c0 = vmull_s8(vb23c0, va0c0);
226 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
227 const int16x8_t vprod0x45c0 = vmull_s8(vb45c0, va0c0);
228 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
229 const int16x8_t vprod0x67c0 = vmull_s8(vb67c0, va0c0);
230 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
231 const int16x8_t vprod0x89c0 = vmull_s8(vb89c0, va0c0);
232 vacc0x89 = vpadalq_s16(vacc0x89, vprod0x89c0);
233 const int16x8_t vprod0xABc0 = vmull_s8(vbABc0, va0c0);
234 vacc0xAB = vpadalq_s16(vacc0xAB, vprod0xABc0);
235 const int16x8_t vprod0xCDc0 = vmull_s8(vbCDc0, va0c0);
236 vacc0xCD = vpadalq_s16(vacc0xCD, vprod0xCDc0);
237 const int16x8_t vprod0xEFc0 = vmull_s8(vbEFc0, va0c0);
238 vacc0xEF = vpadalq_s16(vacc0xEF, vprod0xEFc0);
239 }
240
241 #if XNN_ARCH_ARM64
242 int32x4_t vacc0x0123 = vpaddq_s32(vacc0x01, vacc0x23);
243 int32x4_t vacc0x4567 = vpaddq_s32(vacc0x45, vacc0x67);
244 int32x4_t vacc0x89AB = vpaddq_s32(vacc0x89, vacc0xAB);
245 int32x4_t vacc0xCDEF = vpaddq_s32(vacc0xCD, vacc0xEF);
246 #else
247 const int32x2_t vsum0x01 = vpadd_s32(vget_low_s32(vacc0x01), vget_high_s32(vacc0x01));
248 const int32x2_t vsum0x23 = vpadd_s32(vget_low_s32(vacc0x23), vget_high_s32(vacc0x23));
249 int32x4_t vacc0x0123 = vcombine_s32(vsum0x01, vsum0x23);
250 const int32x2_t vsum0x45 = vpadd_s32(vget_low_s32(vacc0x45), vget_high_s32(vacc0x45));
251 const int32x2_t vsum0x67 = vpadd_s32(vget_low_s32(vacc0x67), vget_high_s32(vacc0x67));
252 int32x4_t vacc0x4567 = vcombine_s32(vsum0x45, vsum0x67);
253 const int32x2_t vsum0x89 = vpadd_s32(vget_low_s32(vacc0x89), vget_high_s32(vacc0x89));
254 const int32x2_t vsum0xAB = vpadd_s32(vget_low_s32(vacc0xAB), vget_high_s32(vacc0xAB));
255 int32x4_t vacc0x89AB = vcombine_s32(vsum0x89, vsum0xAB);
256 const int32x2_t vsum0xCD = vpadd_s32(vget_low_s32(vacc0xCD), vget_high_s32(vacc0xCD));
257 const int32x2_t vsum0xEF = vpadd_s32(vget_low_s32(vacc0xEF), vget_high_s32(vacc0xEF));
258 int32x4_t vacc0xCDEF = vcombine_s32(vsum0xCD, vsum0xEF);
259 #endif
260
261 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
262 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
263 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
264
265 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
266 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
267 vacc0x89AB = vqshlq_s32(vacc0x89AB, vright_pre_shift);
268 vacc0xCDEF = vqshlq_s32(vacc0xCDEF, vright_pre_shift);
269
270 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
271 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
272 vacc0x89AB = vqdmulhq_s32(vacc0x89AB, vmultiplier);
273 vacc0xCDEF = vqdmulhq_s32(vacc0xCDEF, vmultiplier);
274
275 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
276 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
277 vacc0x89AB = vrshlq_s32(vacc0x89AB, vright_post_shift);
278 vacc0xCDEF = vrshlq_s32(vacc0xCDEF, vright_post_shift);
279
280 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
281 #if XNN_ARCH_ARM64
282 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
283 int16x8_t vacc0x89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc0x89AB), vacc0xCDEF);
284
285 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
286 vacc0x89ABCDEF = vqaddq_s16(vacc0x89ABCDEF, voutput_zero_point);
287
288 int8x16_t vout0x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc0x89ABCDEF);
289 #else
290 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
291 int16x8_t vacc0x89ABCDEF = vcombine_s16(vqmovn_s32(vacc0x89AB), vqmovn_s32(vacc0xCDEF));
292
293 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
294 vacc0x89ABCDEF = vqaddq_s16(vacc0x89ABCDEF, voutput_zero_point);
295
296 int8x16_t vout0x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc0x89ABCDEF));
297 #endif
298
299 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->rndnu_neon.output_min);
300 vout0x0123456789ABCDEF = vmaxq_s8(vout0x0123456789ABCDEF, voutput_min);
301
302 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->rndnu_neon.output_max);
303 vout0x0123456789ABCDEF = vminq_s8(vout0x0123456789ABCDEF, voutput_max);
304
305 if (nc >= 16) {
306 vst1q_s8(c0 + 0, vout0x0123456789ABCDEF);
307
308 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
309
310 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
311
312 nc -= 16;
313 } else {
314 // Final case where not all of the 16 columns fit in the destination.
315 int8x8_t vout0x01234567 = vget_low_s8(vout0x0123456789ABCDEF);
316 if (nc & 8) {
317 vst1_s8(c0, vout0x01234567); c0 += 8;
318 vout0x01234567 = vget_high_s8(vout0x0123456789ABCDEF);
319 }
320 if (nc & 4) {
321 vst1_lane_u32((void*) c0, vreinterpret_u32_s8(vout0x01234567), 0); c0 += 4;
322 vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 4);
323 }
324 if (nc & 2) {
325 vst1_lane_u16((void*) c0, vreinterpret_u16_s8(vout0x01234567), 0); c0 += 2;
326 vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 2);
327 }
328 if (nc & 1) {
329 vst1_lane_s8(c0, vout0x01234567, 0);
330 }
331
332 nc = 0;
333 }
334 } while (nc != 0);
335 }
336