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_3x8c2__neon_mull_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)])17 void xnn_qs8_igemm_minmax_rndnu_ukernel_3x8c2__neon_mull_ld1r(
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 <= 3);
33 assert(nc != 0);
34 assert(kc != 0);
35 assert(ks != 0);
36 assert(ks % (3 * 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 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
45 if XNN_UNPREDICTABLE(mr < 2) {
46 c1 = c0;
47 }
48 int8_t* c2 = (int8_t*) ((uintptr_t) c1 + cm_stride);
49 if XNN_UNPREDICTABLE(mr <= 2) {
50 c2 = c1;
51 }
52
53 do {
54 int32x4_t vacc0x0123 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
55 int32x4_t vacc0x4567 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
56 int32x4_t vacc1x0123 = vacc0x0123;
57 int32x4_t vacc1x4567 = vacc0x4567;
58 int32x4_t vacc2x0123 = vacc0x0123;
59 int32x4_t vacc2x4567 = vacc0x4567;
60
61 size_t p = ks;
62 do {
63 const int8_t* restrict a0 = a[0];
64 if XNN_UNPREDICTABLE(a0 != zero) {
65 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
66 }
67 const int8_t* restrict a1 = a[1];
68 if XNN_UNPREDICTABLE(a1 != zero) {
69 a1 = (const int8_t*) ((uintptr_t) a1 + a_offset);
70 }
71 const int8_t* restrict a2 = a[2];
72 if XNN_UNPREDICTABLE(a2 != zero) {
73 a2 = (const int8_t*) ((uintptr_t) a2 + a_offset);
74 }
75 a += 3;
76
77 size_t k = kc;
78
79
80 while (k >= 8 * sizeof(int8_t)) {
81 const int16x4_t va00 = vld1_dup_s16((const void*)a0);
82 const int16x4_t va01 = vld1_dup_s16((const void*)(a0 + 2));
83 const int16x4_t va02 = vld1_dup_s16((const void*)(a0 + 4));
84 const int16x4_t va03 = vld1_dup_s16((const void*)(a0 + 6)); a0 += 8;
85 const int16x4_t va10 = vld1_dup_s16((const void*)a1);
86 const int16x4_t va11 = vld1_dup_s16((const void*)(a1 + 2));
87 const int16x4_t va12 = vld1_dup_s16((const void*)(a1 + 4));
88 const int16x4_t va13 = vld1_dup_s16((const void*)(a1 + 6)); a1 += 8;
89 const int16x4_t va20 = vld1_dup_s16((const void*)a2);
90 const int16x4_t va21 = vld1_dup_s16((const void*)(a2 + 2));
91 const int16x4_t va22 = vld1_dup_s16((const void*)(a2 + 4));
92 const int16x4_t va23 = vld1_dup_s16((const void*)(a2 + 6)); a2 += 8;
93
94 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
95 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
96 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
97 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
98 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
99 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
100 const int8x8_t vb0123c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
101 const int8x8_t vb4567c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
102
103 const int8x8_t va0c0 = vreinterpret_s8_s16(va00);
104 const int8x8_t va1c0 = vreinterpret_s8_s16(va10);
105 const int8x8_t va2c0 = vreinterpret_s8_s16(va20);
106
107 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
108 const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, va1c0);
109 const int16x8_t vprod2x0123c0 = vmull_s8(vb0123c0, va2c0);
110 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
111 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
112 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c0);
113 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
114 const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, va1c0);
115 const int16x8_t vprod2x4567c0 = vmull_s8(vb4567c0, va2c0);
116 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
117 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
118 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c0);
119 const int8x8_t va0c1 = vreinterpret_s8_s16(va01);
120 const int8x8_t va1c1 = vreinterpret_s8_s16(va11);
121 const int8x8_t va2c1 = vreinterpret_s8_s16(va21);
122
123 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
124 const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, va1c1);
125 const int16x8_t vprod2x0123c1 = vmull_s8(vb0123c1, va2c1);
126 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
127 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
128 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c1);
129 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
130 const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, va1c1);
131 const int16x8_t vprod2x4567c1 = vmull_s8(vb4567c1, va2c1);
132 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
133 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
134 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c1);
135 const int8x8_t va0c2 = vreinterpret_s8_s16(va02);
136 const int8x8_t va1c2 = vreinterpret_s8_s16(va12);
137 const int8x8_t va2c2 = vreinterpret_s8_s16(va22);
138
139 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
140 const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, va1c2);
141 const int16x8_t vprod2x0123c2 = vmull_s8(vb0123c2, va2c2);
142 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
143 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
144 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c2);
145 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
146 const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, va1c2);
147 const int16x8_t vprod2x4567c2 = vmull_s8(vb4567c2, va2c2);
148 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
149 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
150 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c2);
151 const int8x8_t va0c3 = vreinterpret_s8_s16(va03);
152 const int8x8_t va1c3 = vreinterpret_s8_s16(va13);
153 const int8x8_t va2c3 = vreinterpret_s8_s16(va23);
154
155 const int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3, va0c3);
156 const int16x8_t vprod1x0123c3 = vmull_s8(vb0123c3, va1c3);
157 const int16x8_t vprod2x0123c3 = vmull_s8(vb0123c3, va2c3);
158 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
159 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c3);
160 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c3);
161 const int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3, va0c3);
162 const int16x8_t vprod1x4567c3 = vmull_s8(vb4567c3, va1c3);
163 const int16x8_t vprod2x4567c3 = vmull_s8(vb4567c3, va2c3);
164 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
165 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c3);
166 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c3);
167
168 k -= 8 * sizeof(int8_t);
169 }
170
171 if XNN_UNLIKELY(k != 0) {
172 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
173 const int8x8_t va1 = vld1_s8(a1); a1 = (const int8_t*) ((uintptr_t) a1 + k);
174 const int8x8_t va2 = vld1_s8(a2); a2 = (const int8_t*) ((uintptr_t) a2 + k);
175
176 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
177 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
178
179 const int8x8_t va0c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 0));
180 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
181 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
182 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
183 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
184 const int8x8_t va1c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 0));
185 const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, va1c0);
186 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
187 const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, va1c0);
188 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
189 const int8x8_t va2c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 0));
190 const int16x8_t vprod2x0123c0 = vmull_s8(vb0123c0, va2c0);
191 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c0);
192 const int16x8_t vprod2x4567c0 = vmull_s8(vb4567c0, va2c0);
193 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c0);
194
195 if (k > 2 * sizeof(int8_t)) {
196 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
197 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
198
199 const int8x8_t va0c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 1));
200 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
201 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
202 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
203 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
204 const int8x8_t va1c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 1));
205 const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, va1c1);
206 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
207 const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, va1c1);
208 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
209 const int8x8_t va2c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 1));
210 const int16x8_t vprod2x0123c1 = vmull_s8(vb0123c1, va2c1);
211 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c1);
212 const int16x8_t vprod2x4567c1 = vmull_s8(vb4567c1, va2c1);
213 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c1);
214
215 if (k > 4 * sizeof(int8_t)) {
216 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
217 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
218
219 const int8x8_t va0c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 2));
220 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
221 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
222 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
223 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
224 const int8x8_t va1c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 2));
225 const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, va1c2);
226 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
227 const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, va1c2);
228 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
229 const int8x8_t va2c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 2));
230 const int16x8_t vprod2x0123c2 = vmull_s8(vb0123c2, va2c2);
231 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c2);
232 const int16x8_t vprod2x4567c2 = vmull_s8(vb4567c2, va2c2);
233 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c2);
234 }
235 }
236 }
237 p -= 3 * sizeof(void*);
238 } while (p != 0);
239
240 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
241 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
242 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
243
244 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
245 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
246 vacc1x0123 = vqshlq_s32(vacc1x0123, vright_pre_shift);
247 vacc1x4567 = vqshlq_s32(vacc1x4567, vright_pre_shift);
248 vacc2x0123 = vqshlq_s32(vacc2x0123, vright_pre_shift);
249 vacc2x4567 = vqshlq_s32(vacc2x4567, vright_pre_shift);
250
251 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
252 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
253 vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
254 vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
255 vacc2x0123 = vqdmulhq_s32(vacc2x0123, vmultiplier);
256 vacc2x4567 = vqdmulhq_s32(vacc2x4567, vmultiplier);
257
258 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
259 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
260 vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
261 vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
262 vacc2x0123 = vrshlq_s32(vacc2x0123, vright_post_shift);
263 vacc2x4567 = vrshlq_s32(vacc2x4567, vright_post_shift);
264
265 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
266 #if XNN_ARCH_ARM64
267 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
268 int16x8_t vacc1x01234567 = vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567);
269 int16x8_t vacc2x01234567 = vqmovn_high_s32(vqmovn_s32(vacc2x0123), vacc2x4567);
270
271 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
272 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
273 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
274
275 int8x16_t vout0x01234567_1x01234567 = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc1x01234567);
276 int8x8_t vout2x01234567 = vqmovn_s16(vacc2x01234567);
277 #else
278 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
279 int16x8_t vacc1x01234567 = vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567));
280 int16x8_t vacc2x01234567 = vcombine_s16(vqmovn_s32(vacc2x0123), vqmovn_s32(vacc2x4567));
281
282 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
283 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
284 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
285
286 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc1x01234567));
287 int8x8_t vout2x01234567 = vqmovn_s16(vacc2x01234567);
288 #endif
289
290 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->rndnu_neon.output_min);
291 vout0x01234567_1x01234567 = vmaxq_s8(vout0x01234567_1x01234567, voutput_min);
292 vout2x01234567 = vmax_s8(vout2x01234567, vget_low_s8(voutput_min));
293
294 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->rndnu_neon.output_max);
295 vout0x01234567_1x01234567 = vminq_s8(vout0x01234567_1x01234567, voutput_max);
296 vout2x01234567 = vmin_s8(vout2x01234567, vget_low_s8(voutput_max));
297
298 if (nc >= 8) {
299 vst1_s8(c2 + 0, vout2x01234567);
300 vst1_s8(c1 + 0, vget_high_s8(vout0x01234567_1x01234567));
301 vst1_s8(c0 + 0, vget_low_s8(vout0x01234567_1x01234567));
302
303 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
304 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
305 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
306
307 a = (const int8_t**restrict) ((uintptr_t) a - ks);
308
309 nc -= 8;
310 } else {
311 if (nc & 4) {
312 vst1_lane_u32((void*) c2, vreinterpret_u32_s8(vout2x01234567), 0); c2 += 4;
313 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
314 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
315 vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 4);
316 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
317 }
318 if (nc & 2) {
319 vst1_lane_u16((void*) c2, vreinterpret_u16_s8(vout2x01234567), 0); c2 += 2;
320 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
321 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
322 vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 2);
323 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
324 }
325 if (nc & 1) {
326 vst1_lane_s8(c2, vout2x01234567, 0);
327 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
328 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
329 }
330
331 nc = 0;
332 }
333 } while (nc != 0);
334 }
335