1 // Auto-generated file. Do not edit!
2 // Template: src/qu8-gemm/c4-neondot.c.in
3 // Generator: tools/xngen
4 //
5 // Copyright 2020 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_qu8_gemm_minmax_rndnu_ukernel_2x32c4__neondot(size_t mr,size_t nc,size_t kc,const uint8_t * restrict a,size_t a_stride,const void * restrict w,uint8_t * restrict c,size_t cm_stride,size_t cn_stride,const union xnn_qu8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_qu8_gemm_minmax_rndnu_ukernel_2x32c4__neondot(
19 size_t mr,
20 size_t nc,
21 size_t kc,
22 const uint8_t* restrict a,
23 size_t a_stride,
24 const void* restrict w,
25 uint8_t* restrict c,
26 size_t cm_stride,
27 size_t cn_stride,
28 const union xnn_qu8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
29 {
30 assert(mr != 0);
31 assert(mr <= 2);
32 assert(nc != 0);
33 assert(kc != 0);
34 assert(kc % sizeof(uint8_t) == 0);
35 assert(a != NULL);
36 assert(w != NULL);
37 assert(c != NULL);
38
39 kc = round_up_po2(kc, 4 * sizeof(uint8_t));
40 const uint8_t* a0 = a;
41 uint8_t* c0 = c;
42 const uint8_t* a1 = (const uint8_t*) ((uintptr_t) a0 + a_stride);
43 uint8_t* c1 = (uint8_t*) ((uintptr_t) c0 + cm_stride);
44 if XNN_UNPREDICTABLE(mr != 2) {
45 a1 = a0;
46 c1 = c0;
47 }
48
49 const uint8x8_t va_zero_point = vld1_dup_u8(¶ms->rndnu_neon.kernel_zero_point[0]);
50
51 // Loop over groups of 32 columns.
52 do {
53 // Initialize accumulators with bias. 32 bias values are loaded from the
54 // weight matrix, at the start of the group of 32 columns.
55 uint32x4_t vpacc0x0123 = vld1q_u32(w); w = (const void*) ((const uint32_t*) w + 4);
56 uint32x4_t vpacc0x4567 = vld1q_u32(w); w = (const void*) ((const uint32_t*) w + 4);
57 uint32x4_t vpacc0x89AB = vld1q_u32(w); w = (const void*) ((const uint32_t*) w + 4);
58 uint32x4_t vpacc0xCDEF = vld1q_u32(w); w = (const void*) ((const uint32_t*) w + 4);
59 uint32x4_t vpacc0xGHIJ = vld1q_u32(w); w = (const void*) ((const uint32_t*) w + 4);
60 uint32x4_t vpacc0xKLMN = vld1q_u32(w); w = (const void*) ((const uint32_t*) w + 4);
61 uint32x4_t vpacc0xOPQR = vld1q_u32(w); w = (const void*) ((const uint32_t*) w + 4);
62 uint32x4_t vpacc0xSTUV = vld1q_u32(w); w = (const void*) ((const uint32_t*) w + 4);
63 uint32x4_t vpacc1x0123 = vpacc0x0123;
64 uint32x4_t vpacc1x4567 = vpacc0x4567;
65 uint32x4_t vpacc1x89AB = vpacc0x89AB;
66 uint32x4_t vpacc1xCDEF = vpacc0xCDEF;
67 uint32x4_t vpacc1xGHIJ = vpacc0xGHIJ;
68 uint32x4_t vpacc1xKLMN = vpacc0xKLMN;
69 uint32x4_t vpacc1xOPQR = vpacc0xOPQR;
70 uint32x4_t vpacc1xSTUV = vpacc0xSTUV;
71 uint32x2_t vnacc0 = vmov_n_u32(0);
72 uint32x2_t vnacc1 = vmov_n_u32(0);
73
74 // Inner accumulation loop along the 32 columns.
75 size_t k = kc;
76 // 2x partial unrolled loop to load 8 bytes at a time.
77 while (k >= 8 * sizeof(uint8_t)) {
78 // Load a 2x8 block of activations.
79 const uint8x8_t va0x01234567 = vld1_u8(a0); a0 += 8;
80 const uint8x8_t va1x01234567 = vld1_u8(a1); a1 += 8;
81
82 // Load a 8x32 block of weights.
83 const uint8x16_t vb0123x0123 = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
84 const uint8x16_t vb0123x4567 = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
85 const uint8x16_t vb0123x89AB = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
86 const uint8x16_t vb0123xCDEF = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
87 const uint8x16_t vb0123xGHIJ = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
88 const uint8x16_t vb0123xKLMN = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
89 const uint8x16_t vb0123xOPQR = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
90 const uint8x16_t vb0123xSTUV = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
91 const uint8x16_t vb4567x0123 = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
92 const uint8x16_t vb4567x4567 = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
93 const uint8x16_t vb4567x89AB = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
94 const uint8x16_t vb4567xCDEF = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
95 const uint8x16_t vb4567xGHIJ = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
96 const uint8x16_t vb4567xKLMN = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
97 const uint8x16_t vb4567xOPQR = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
98 const uint8x16_t vb4567xSTUV = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
99
100 // Multiply-accumulate: 2x8 * 8x32 --> 2x32.
101 vnacc0 = vdot_u32(vnacc0, va_zero_point, va0x01234567);
102 vpacc0x0123 = vdotq_lane_u32(vpacc0x0123, vb0123x0123, va0x01234567, 0);
103 vpacc0x4567 = vdotq_lane_u32(vpacc0x4567, vb0123x4567, va0x01234567, 0);
104 vpacc0x89AB = vdotq_lane_u32(vpacc0x89AB, vb0123x89AB, va0x01234567, 0);
105 vpacc0xCDEF = vdotq_lane_u32(vpacc0xCDEF, vb0123xCDEF, va0x01234567, 0);
106 vpacc0xGHIJ = vdotq_lane_u32(vpacc0xGHIJ, vb0123xGHIJ, va0x01234567, 0);
107 vpacc0xKLMN = vdotq_lane_u32(vpacc0xKLMN, vb0123xKLMN, va0x01234567, 0);
108 vpacc0xOPQR = vdotq_lane_u32(vpacc0xOPQR, vb0123xOPQR, va0x01234567, 0);
109 vpacc0xSTUV = vdotq_lane_u32(vpacc0xSTUV, vb0123xSTUV, va0x01234567, 0);
110 vpacc0x0123 = vdotq_lane_u32(vpacc0x0123, vb4567x0123, va0x01234567, 1);
111 vpacc0x4567 = vdotq_lane_u32(vpacc0x4567, vb4567x4567, va0x01234567, 1);
112 vpacc0x89AB = vdotq_lane_u32(vpacc0x89AB, vb4567x89AB, va0x01234567, 1);
113 vpacc0xCDEF = vdotq_lane_u32(vpacc0xCDEF, vb4567xCDEF, va0x01234567, 1);
114 vpacc0xGHIJ = vdotq_lane_u32(vpacc0xGHIJ, vb4567xGHIJ, va0x01234567, 1);
115 vpacc0xKLMN = vdotq_lane_u32(vpacc0xKLMN, vb4567xKLMN, va0x01234567, 1);
116 vpacc0xOPQR = vdotq_lane_u32(vpacc0xOPQR, vb4567xOPQR, va0x01234567, 1);
117 vpacc0xSTUV = vdotq_lane_u32(vpacc0xSTUV, vb4567xSTUV, va0x01234567, 1);
118 vnacc1 = vdot_u32(vnacc1, va_zero_point, va1x01234567);
119 vpacc1x0123 = vdotq_lane_u32(vpacc1x0123, vb0123x0123, va1x01234567, 0);
120 vpacc1x4567 = vdotq_lane_u32(vpacc1x4567, vb0123x4567, va1x01234567, 0);
121 vpacc1x89AB = vdotq_lane_u32(vpacc1x89AB, vb0123x89AB, va1x01234567, 0);
122 vpacc1xCDEF = vdotq_lane_u32(vpacc1xCDEF, vb0123xCDEF, va1x01234567, 0);
123 vpacc1xGHIJ = vdotq_lane_u32(vpacc1xGHIJ, vb0123xGHIJ, va1x01234567, 0);
124 vpacc1xKLMN = vdotq_lane_u32(vpacc1xKLMN, vb0123xKLMN, va1x01234567, 0);
125 vpacc1xOPQR = vdotq_lane_u32(vpacc1xOPQR, vb0123xOPQR, va1x01234567, 0);
126 vpacc1xSTUV = vdotq_lane_u32(vpacc1xSTUV, vb0123xSTUV, va1x01234567, 0);
127 vpacc1x0123 = vdotq_lane_u32(vpacc1x0123, vb4567x0123, va1x01234567, 1);
128 vpacc1x4567 = vdotq_lane_u32(vpacc1x4567, vb4567x4567, va1x01234567, 1);
129 vpacc1x89AB = vdotq_lane_u32(vpacc1x89AB, vb4567x89AB, va1x01234567, 1);
130 vpacc1xCDEF = vdotq_lane_u32(vpacc1xCDEF, vb4567xCDEF, va1x01234567, 1);
131 vpacc1xGHIJ = vdotq_lane_u32(vpacc1xGHIJ, vb4567xGHIJ, va1x01234567, 1);
132 vpacc1xKLMN = vdotq_lane_u32(vpacc1xKLMN, vb4567xKLMN, va1x01234567, 1);
133 vpacc1xOPQR = vdotq_lane_u32(vpacc1xOPQR, vb4567xOPQR, va1x01234567, 1);
134 vpacc1xSTUV = vdotq_lane_u32(vpacc1xSTUV, vb4567xSTUV, va1x01234567, 1);
135
136 k -= 8 * sizeof(uint8_t);
137 }
138 // Handle up to 4 final positions of `k`
139 if XNN_UNLIKELY(k != 0) {
140 // Load a 2x4 block of activations.
141 const uint8x8_t va0x01234567 = vreinterpret_u8_u32(vld1_lane_u32((const void*) a0, vmov_n_u32(0), 0)); a0 += 4;
142 const uint8x8_t va1x01234567 = vreinterpret_u8_u32(vld1_lane_u32((const void*) a1, vmov_n_u32(0), 0)); a1 += 4;
143
144 // Load a 4x32 block of weights.
145 const uint8x16_t vb0123x0123 = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
146 const uint8x16_t vb0123x4567 = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
147 const uint8x16_t vb0123x89AB = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
148 const uint8x16_t vb0123xCDEF = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
149 const uint8x16_t vb0123xGHIJ = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
150 const uint8x16_t vb0123xKLMN = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
151 const uint8x16_t vb0123xOPQR = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
152 const uint8x16_t vb0123xSTUV = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
153
154 // Multiply-accumulate: 2x4 * 4x32 --> 2x32.
155 vnacc0 = vdot_u32(vnacc0, va_zero_point, va0x01234567);
156 vpacc0x0123 = vdotq_lane_u32(vpacc0x0123, vb0123x0123, va0x01234567, 0);
157 vpacc0x4567 = vdotq_lane_u32(vpacc0x4567, vb0123x4567, va0x01234567, 0);
158 vpacc0x89AB = vdotq_lane_u32(vpacc0x89AB, vb0123x89AB, va0x01234567, 0);
159 vpacc0xCDEF = vdotq_lane_u32(vpacc0xCDEF, vb0123xCDEF, va0x01234567, 0);
160 vpacc0xGHIJ = vdotq_lane_u32(vpacc0xGHIJ, vb0123xGHIJ, va0x01234567, 0);
161 vpacc0xKLMN = vdotq_lane_u32(vpacc0xKLMN, vb0123xKLMN, va0x01234567, 0);
162 vpacc0xOPQR = vdotq_lane_u32(vpacc0xOPQR, vb0123xOPQR, va0x01234567, 0);
163 vpacc0xSTUV = vdotq_lane_u32(vpacc0xSTUV, vb0123xSTUV, va0x01234567, 0);
164 vnacc1 = vdot_u32(vnacc1, va_zero_point, va1x01234567);
165 vpacc1x0123 = vdotq_lane_u32(vpacc1x0123, vb0123x0123, va1x01234567, 0);
166 vpacc1x4567 = vdotq_lane_u32(vpacc1x4567, vb0123x4567, va1x01234567, 0);
167 vpacc1x89AB = vdotq_lane_u32(vpacc1x89AB, vb0123x89AB, va1x01234567, 0);
168 vpacc1xCDEF = vdotq_lane_u32(vpacc1xCDEF, vb0123xCDEF, va1x01234567, 0);
169 vpacc1xGHIJ = vdotq_lane_u32(vpacc1xGHIJ, vb0123xGHIJ, va1x01234567, 0);
170 vpacc1xKLMN = vdotq_lane_u32(vpacc1xKLMN, vb0123xKLMN, va1x01234567, 0);
171 vpacc1xOPQR = vdotq_lane_u32(vpacc1xOPQR, vb0123xOPQR, va1x01234567, 0);
172 vpacc1xSTUV = vdotq_lane_u32(vpacc1xSTUV, vb0123xSTUV, va1x01234567, 0);
173 }
174
175 // Subtract zero point from accumulators.
176 vnacc0 = vpadd_u32(vnacc0, vnacc0);
177 const uint32x4_t vnacc0x0123 = vcombine_u32(vnacc0, vnacc0);
178 int32x4_t vacc0x0123 = vreinterpretq_s32_u32(vsubq_u32(vpacc0x0123, vnacc0x0123));
179 int32x4_t vacc0x4567 = vreinterpretq_s32_u32(vsubq_u32(vpacc0x4567, vnacc0x0123));
180 int32x4_t vacc0x89AB = vreinterpretq_s32_u32(vsubq_u32(vpacc0x89AB, vnacc0x0123));
181 int32x4_t vacc0xCDEF = vreinterpretq_s32_u32(vsubq_u32(vpacc0xCDEF, vnacc0x0123));
182 int32x4_t vacc0xGHIJ = vreinterpretq_s32_u32(vsubq_u32(vpacc0xGHIJ, vnacc0x0123));
183 int32x4_t vacc0xKLMN = vreinterpretq_s32_u32(vsubq_u32(vpacc0xKLMN, vnacc0x0123));
184 int32x4_t vacc0xOPQR = vreinterpretq_s32_u32(vsubq_u32(vpacc0xOPQR, vnacc0x0123));
185 int32x4_t vacc0xSTUV = vreinterpretq_s32_u32(vsubq_u32(vpacc0xSTUV, vnacc0x0123));
186 vnacc1 = vpadd_u32(vnacc1, vnacc1);
187 const uint32x4_t vnacc1x0123 = vcombine_u32(vnacc1, vnacc1);
188 int32x4_t vacc1x0123 = vreinterpretq_s32_u32(vsubq_u32(vpacc1x0123, vnacc1x0123));
189 int32x4_t vacc1x4567 = vreinterpretq_s32_u32(vsubq_u32(vpacc1x4567, vnacc1x0123));
190 int32x4_t vacc1x89AB = vreinterpretq_s32_u32(vsubq_u32(vpacc1x89AB, vnacc1x0123));
191 int32x4_t vacc1xCDEF = vreinterpretq_s32_u32(vsubq_u32(vpacc1xCDEF, vnacc1x0123));
192 int32x4_t vacc1xGHIJ = vreinterpretq_s32_u32(vsubq_u32(vpacc1xGHIJ, vnacc1x0123));
193 int32x4_t vacc1xKLMN = vreinterpretq_s32_u32(vsubq_u32(vpacc1xKLMN, vnacc1x0123));
194 int32x4_t vacc1xOPQR = vreinterpretq_s32_u32(vsubq_u32(vpacc1xOPQR, vnacc1x0123));
195 int32x4_t vacc1xSTUV = vreinterpretq_s32_u32(vsubq_u32(vpacc1xSTUV, vnacc1x0123));
196
197 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
198 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
199 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
200
201 vacc0x0123 = vshlq_s32(vacc0x0123, vright_pre_shift);
202 vacc0x4567 = vshlq_s32(vacc0x4567, vright_pre_shift);
203 vacc0x89AB = vshlq_s32(vacc0x89AB, vright_pre_shift);
204 vacc0xCDEF = vshlq_s32(vacc0xCDEF, vright_pre_shift);
205 vacc0xGHIJ = vshlq_s32(vacc0xGHIJ, vright_pre_shift);
206 vacc0xKLMN = vshlq_s32(vacc0xKLMN, vright_pre_shift);
207 vacc0xOPQR = vshlq_s32(vacc0xOPQR, vright_pre_shift);
208 vacc0xSTUV = vshlq_s32(vacc0xSTUV, vright_pre_shift);
209 vacc1x0123 = vshlq_s32(vacc1x0123, vright_pre_shift);
210 vacc1x4567 = vshlq_s32(vacc1x4567, vright_pre_shift);
211 vacc1x89AB = vshlq_s32(vacc1x89AB, vright_pre_shift);
212 vacc1xCDEF = vshlq_s32(vacc1xCDEF, vright_pre_shift);
213 vacc1xGHIJ = vshlq_s32(vacc1xGHIJ, vright_pre_shift);
214 vacc1xKLMN = vshlq_s32(vacc1xKLMN, vright_pre_shift);
215 vacc1xOPQR = vshlq_s32(vacc1xOPQR, vright_pre_shift);
216 vacc1xSTUV = vshlq_s32(vacc1xSTUV, vright_pre_shift);
217
218 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
219 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
220 vacc0x89AB = vqdmulhq_s32(vacc0x89AB, vmultiplier);
221 vacc0xCDEF = vqdmulhq_s32(vacc0xCDEF, vmultiplier);
222 vacc0xGHIJ = vqdmulhq_s32(vacc0xGHIJ, vmultiplier);
223 vacc0xKLMN = vqdmulhq_s32(vacc0xKLMN, vmultiplier);
224 vacc0xOPQR = vqdmulhq_s32(vacc0xOPQR, vmultiplier);
225 vacc0xSTUV = vqdmulhq_s32(vacc0xSTUV, vmultiplier);
226 vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
227 vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
228 vacc1x89AB = vqdmulhq_s32(vacc1x89AB, vmultiplier);
229 vacc1xCDEF = vqdmulhq_s32(vacc1xCDEF, vmultiplier);
230 vacc1xGHIJ = vqdmulhq_s32(vacc1xGHIJ, vmultiplier);
231 vacc1xKLMN = vqdmulhq_s32(vacc1xKLMN, vmultiplier);
232 vacc1xOPQR = vqdmulhq_s32(vacc1xOPQR, vmultiplier);
233 vacc1xSTUV = vqdmulhq_s32(vacc1xSTUV, vmultiplier);
234
235 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
236 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
237 vacc0x89AB = vrshlq_s32(vacc0x89AB, vright_post_shift);
238 vacc0xCDEF = vrshlq_s32(vacc0xCDEF, vright_post_shift);
239 vacc0xGHIJ = vrshlq_s32(vacc0xGHIJ, vright_post_shift);
240 vacc0xKLMN = vrshlq_s32(vacc0xKLMN, vright_post_shift);
241 vacc0xOPQR = vrshlq_s32(vacc0xOPQR, vright_post_shift);
242 vacc0xSTUV = vrshlq_s32(vacc0xSTUV, vright_post_shift);
243 vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
244 vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
245 vacc1x89AB = vrshlq_s32(vacc1x89AB, vright_post_shift);
246 vacc1xCDEF = vrshlq_s32(vacc1xCDEF, vright_post_shift);
247 vacc1xGHIJ = vrshlq_s32(vacc1xGHIJ, vright_post_shift);
248 vacc1xKLMN = vrshlq_s32(vacc1xKLMN, vright_post_shift);
249 vacc1xOPQR = vrshlq_s32(vacc1xOPQR, vright_post_shift);
250 vacc1xSTUV = vrshlq_s32(vacc1xSTUV, vright_post_shift);
251
252 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
253 #if XNN_ARCH_ARM64
254 const int16x8_t vacc0x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567), voutput_zero_point);
255 const int16x8_t vacc0x89ABCDEF = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc0x89AB), vacc0xCDEF), voutput_zero_point);
256 const int16x8_t vacc0xGHIJKLMN = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc0xGHIJ), vacc0xKLMN), voutput_zero_point);
257 const int16x8_t vacc0xOPQRSTUV = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc0xOPQR), vacc0xSTUV), voutput_zero_point);
258 const int16x8_t vacc1x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567), voutput_zero_point);
259 const int16x8_t vacc1x89ABCDEF = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc1x89AB), vacc1xCDEF), voutput_zero_point);
260 const int16x8_t vacc1xGHIJKLMN = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc1xGHIJ), vacc1xKLMN), voutput_zero_point);
261 const int16x8_t vacc1xOPQRSTUV = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc1xOPQR), vacc1xSTUV), voutput_zero_point);
262
263 uint8x16_t vout0x0123456789ABCDEF = vqmovun_high_s16(vqmovun_s16(vacc0x01234567), vacc0x89ABCDEF);
264 uint8x16_t vout0xGHIJKLMNOPQRSTUV = vqmovun_high_s16(vqmovun_s16(vacc0xGHIJKLMN), vacc0xOPQRSTUV);
265 uint8x16_t vout1x0123456789ABCDEF = vqmovun_high_s16(vqmovun_s16(vacc1x01234567), vacc1x89ABCDEF);
266 uint8x16_t vout1xGHIJKLMNOPQRSTUV = vqmovun_high_s16(vqmovun_s16(vacc1xGHIJKLMN), vacc1xOPQRSTUV);
267 #else
268 const int16x8_t vacc0x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567)), voutput_zero_point);
269 const int16x8_t vacc0x89ABCDEF = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0x89AB), vqmovn_s32(vacc0xCDEF)), voutput_zero_point);
270 const int16x8_t vacc0xGHIJKLMN = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0xGHIJ), vqmovn_s32(vacc0xKLMN)), voutput_zero_point);
271 const int16x8_t vacc0xOPQRSTUV = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0xOPQR), vqmovn_s32(vacc0xSTUV)), voutput_zero_point);
272 const int16x8_t vacc1x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567)), voutput_zero_point);
273 const int16x8_t vacc1x89ABCDEF = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc1x89AB), vqmovn_s32(vacc1xCDEF)), voutput_zero_point);
274 const int16x8_t vacc1xGHIJKLMN = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc1xGHIJ), vqmovn_s32(vacc1xKLMN)), voutput_zero_point);
275 const int16x8_t vacc1xOPQRSTUV = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc1xOPQR), vqmovn_s32(vacc1xSTUV)), voutput_zero_point);
276
277 uint8x16_t vout0x0123456789ABCDEF = vcombine_u8(vqmovun_s16(vacc0x01234567), vqmovun_s16(vacc0x89ABCDEF));
278 uint8x16_t vout0xGHIJKLMNOPQRSTUV = vcombine_u8(vqmovun_s16(vacc0xGHIJKLMN), vqmovun_s16(vacc0xOPQRSTUV));
279 uint8x16_t vout1x0123456789ABCDEF = vcombine_u8(vqmovun_s16(vacc1x01234567), vqmovun_s16(vacc1x89ABCDEF));
280 uint8x16_t vout1xGHIJKLMNOPQRSTUV = vcombine_u8(vqmovun_s16(vacc1xGHIJKLMN), vqmovun_s16(vacc1xOPQRSTUV));
281 #endif
282 const uint8x16_t voutput_min = vld1q_dup_u8(¶ms->rndnu_neon.output_min);
283 const uint8x16_t voutput_max = vld1q_dup_u8(¶ms->rndnu_neon.output_max);
284
285 vout0x0123456789ABCDEF = vmaxq_u8(vout0x0123456789ABCDEF, voutput_min);
286 vout0xGHIJKLMNOPQRSTUV = vmaxq_u8(vout0xGHIJKLMNOPQRSTUV, voutput_min);
287 vout1x0123456789ABCDEF = vmaxq_u8(vout1x0123456789ABCDEF, voutput_min);
288 vout1xGHIJKLMNOPQRSTUV = vmaxq_u8(vout1xGHIJKLMNOPQRSTUV, voutput_min);
289
290 vout0x0123456789ABCDEF = vminq_u8(vout0x0123456789ABCDEF, voutput_max);
291 vout0xGHIJKLMNOPQRSTUV = vminq_u8(vout0xGHIJKLMNOPQRSTUV, voutput_max);
292 vout1x0123456789ABCDEF = vminq_u8(vout1x0123456789ABCDEF, voutput_max);
293 vout1xGHIJKLMNOPQRSTUV = vminq_u8(vout1xGHIJKLMNOPQRSTUV, voutput_max);
294
295 if (nc >= 32) {
296 vst1q_u8(c0 + 0, vout0x0123456789ABCDEF);
297 vst1q_u8(c0 + 16, vout0xGHIJKLMNOPQRSTUV);
298 vst1q_u8(c1 + 0, vout1x0123456789ABCDEF);
299 vst1q_u8(c1 + 16, vout1xGHIJKLMNOPQRSTUV);
300
301 c0 = (uint8_t*) ((uintptr_t) c0 + cn_stride);
302 c1 = (uint8_t*) ((uintptr_t) c1 + cn_stride);
303
304 a0 = (const uint8_t*) ((uintptr_t) a0 - kc);
305 a1 = (const uint8_t*) ((uintptr_t) a1 - kc);
306
307 nc -= 32;
308 } else {
309 if (nc & 16) {
310 vst1q_u8(c0, vout0x0123456789ABCDEF); c0 += 16;
311 vst1q_u8(c1, vout1x0123456789ABCDEF); c1 += 16;
312
313 vout0x0123456789ABCDEF = vout0xGHIJKLMNOPQRSTUV;
314 vout1x0123456789ABCDEF = vout1xGHIJKLMNOPQRSTUV;
315 }
316 uint8x16_t vout0x01234567_1x01234567 = vcombine_u8(vget_low_u8(vout0x0123456789ABCDEF), vget_low_u8(vout1x0123456789ABCDEF));
317 if (nc & 8) {
318 vst1_u8(c0, vget_low_u8(vout0x01234567_1x01234567)); c0 += 8;
319 vst1_u8(c1, vget_high_u8(vout0x01234567_1x01234567)); c1 += 8;
320 vout0x01234567_1x01234567 = vcombine_u8(vget_high_u8(vout0x0123456789ABCDEF), vget_high_u8(vout1x0123456789ABCDEF));
321 }
322 if (nc & 4) {
323 vst1q_lane_u32((void*) c0, vreinterpretq_u32_u8(vout0x01234567_1x01234567), 0); c0 += 4;
324 vst1q_lane_u32((void*) c1, vreinterpretq_u32_u8(vout0x01234567_1x01234567), 2); c1 += 4;
325 vout0x01234567_1x01234567 = vextq_u8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
326 }
327 if (nc & 2) {
328 vst1q_lane_u16((void*) c0, vreinterpretq_u16_u8(vout0x01234567_1x01234567), 0); c0 += 2;
329 vst1q_lane_u16((void*) c1, vreinterpretq_u16_u8(vout0x01234567_1x01234567), 4); c1 += 2;
330 vout0x01234567_1x01234567 = vextq_u8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
331 }
332 if (nc & 1) {
333 vst1q_lane_u8(c0, vout0x01234567_1x01234567, 0);
334 vst1q_lane_u8(c1, vout0x01234567_1x01234567, 8);
335 }
336
337 nc = 0;
338 }
339 } while (nc != 0);
340 }
341