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_2x8c2__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_2x8c2__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 <= 2);
33 assert(nc != 0);
34 assert(kc != 0);
35 assert(ks != 0);
36 assert(ks % (2 * 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
49 do {
50 int32x4_t vacc0x0123 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
51 int32x4_t vacc0x4567 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
52 int32x4_t vacc1x0123 = vacc0x0123;
53 int32x4_t vacc1x4567 = vacc0x4567;
54
55 size_t p = ks;
56 do {
57 const int8_t* restrict a0 = a[0];
58 if XNN_UNPREDICTABLE(a0 != zero) {
59 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
60 }
61 const int8_t* restrict a1 = a[1];
62 if XNN_UNPREDICTABLE(a1 != zero) {
63 a1 = (const int8_t*) ((uintptr_t) a1 + a_offset);
64 }
65 a += 2;
66
67 size_t k = kc;
68
69
70 while (k >= 8 * sizeof(int8_t)) {
71 const int16x4_t va00 = vld1_dup_s16((const void*)a0);
72 const int16x4_t va01 = vld1_dup_s16((const void*)(a0 + 2));
73 const int16x4_t va02 = vld1_dup_s16((const void*)(a0 + 4));
74 const int16x4_t va03 = vld1_dup_s16((const void*)(a0 + 6)); a0 += 8;
75 const int16x4_t va10 = vld1_dup_s16((const void*)a1);
76 const int16x4_t va11 = vld1_dup_s16((const void*)(a1 + 2));
77 const int16x4_t va12 = vld1_dup_s16((const void*)(a1 + 4));
78 const int16x4_t va13 = vld1_dup_s16((const void*)(a1 + 6)); a1 += 8;
79
80 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
81 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
82 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
83 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
84 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
85 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
86 const int8x8_t vb0123c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
87 const int8x8_t vb4567c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
88
89 const int8x8_t va0c0 = vreinterpret_s8_s16(va00);
90 const int8x8_t va1c0 = vreinterpret_s8_s16(va10);
91
92 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
93 const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, va1c0);
94 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
95 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
96 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
97 const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, va1c0);
98 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
99 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
100 const int8x8_t va0c1 = vreinterpret_s8_s16(va01);
101 const int8x8_t va1c1 = vreinterpret_s8_s16(va11);
102
103 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
104 const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, va1c1);
105 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
106 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
107 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
108 const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, va1c1);
109 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
110 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
111 const int8x8_t va0c2 = vreinterpret_s8_s16(va02);
112 const int8x8_t va1c2 = vreinterpret_s8_s16(va12);
113
114 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
115 const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, va1c2);
116 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
117 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
118 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
119 const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, va1c2);
120 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
121 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
122 const int8x8_t va0c3 = vreinterpret_s8_s16(va03);
123 const int8x8_t va1c3 = vreinterpret_s8_s16(va13);
124
125 const int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3, va0c3);
126 const int16x8_t vprod1x0123c3 = vmull_s8(vb0123c3, va1c3);
127 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
128 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c3);
129 const int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3, va0c3);
130 const int16x8_t vprod1x4567c3 = vmull_s8(vb4567c3, va1c3);
131 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
132 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c3);
133
134 k -= 8 * sizeof(int8_t);
135 }
136
137 if XNN_UNLIKELY(k != 0) {
138 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
139 const int8x8_t va1 = vld1_s8(a1); a1 = (const int8_t*) ((uintptr_t) a1 + k);
140
141 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
142 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
143
144 const int8x8_t va0c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 0));
145 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
146 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
147 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
148 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
149 const int8x8_t va1c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 0));
150 const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, va1c0);
151 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
152 const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, va1c0);
153 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
154
155 if (k > 2 * sizeof(int8_t)) {
156 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
157 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
158
159 const int8x8_t va0c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 1));
160 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
161 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
162 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
163 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
164 const int8x8_t va1c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 1));
165 const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, va1c1);
166 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
167 const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, va1c1);
168 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
169
170 if (k > 4 * sizeof(int8_t)) {
171 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
172 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
173
174 const int8x8_t va0c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 2));
175 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
176 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
177 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
178 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
179 const int8x8_t va1c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 2));
180 const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, va1c2);
181 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
182 const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, va1c2);
183 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
184 }
185 }
186 }
187 p -= 2 * sizeof(void*);
188 } while (p != 0);
189
190 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
191 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
192 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
193
194 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
195 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
196 vacc1x0123 = vqshlq_s32(vacc1x0123, vright_pre_shift);
197 vacc1x4567 = vqshlq_s32(vacc1x4567, vright_pre_shift);
198
199 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
200 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
201 vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
202 vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
203
204 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
205 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
206 vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
207 vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
208
209 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
210 #if XNN_ARCH_ARM64
211 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
212 int16x8_t vacc1x01234567 = vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567);
213
214 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
215 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
216
217 int8x16_t vout0x01234567_1x01234567 = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc1x01234567);
218 #else
219 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
220 int16x8_t vacc1x01234567 = vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567));
221
222 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
223 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
224
225 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc1x01234567));
226 #endif
227
228 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->rndnu_neon.output_min);
229 vout0x01234567_1x01234567 = vmaxq_s8(vout0x01234567_1x01234567, voutput_min);
230
231 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->rndnu_neon.output_max);
232 vout0x01234567_1x01234567 = vminq_s8(vout0x01234567_1x01234567, voutput_max);
233
234 if (nc >= 8) {
235 vst1_s8(c1 + 0, vget_high_s8(vout0x01234567_1x01234567));
236 vst1_s8(c0 + 0, vget_low_s8(vout0x01234567_1x01234567));
237
238 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
239 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
240
241 a = (const int8_t**restrict) ((uintptr_t) a - ks);
242
243 nc -= 8;
244 } else {
245 if (nc & 4) {
246 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
247 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
248 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
249 }
250 if (nc & 2) {
251 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
252 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
253 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
254 }
255 if (nc & 1) {
256 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
257 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
258 }
259
260 nc = 0;
261 }
262 } while (nc != 0);
263 }
264