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1 // Auto-generated file. Do not edit!
2 //   Template: src/qs8-igemm/c2-neon-mull-shuffle.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_3x8c2s4__neon_mull(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_3x8c2s4__neon_mull(
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 <= 3);
34   assert(nc != 0);
35   assert(kc != 0);
36   assert(ks != 0);
37   assert(ks % (3 * 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   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   kc = round_up_po2(kc, 8 * sizeof(int8_t));
54   do {
55     int32x4_t vacc0x0123 = vld1q_s32(w); w = (const int32_t*) w + 4;
56     int32x4_t vacc0x4567 = vld1q_s32(w); w = (const int32_t*) w + 4;
57     int32x4_t vacc1x0123 = vacc0x0123;
58     int32x4_t vacc1x4567 = vacc0x4567;
59     int32x4_t vacc2x0123 = vacc0x0123;
60     int32x4_t vacc2x4567 = vacc0x4567;
61 
62     size_t p = ks;
63     do {
64       const int8_t* restrict a0 = a[0];
65       if XNN_UNPREDICTABLE(a0 != zero) {
66         a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
67       }
68       const int8_t* restrict a1 = a[1];
69       if XNN_UNPREDICTABLE(a1 != zero) {
70         a1 = (const int8_t*) ((uintptr_t) a1 + a_offset);
71       }
72       const int8_t* restrict a2 = a[2];
73       if XNN_UNPREDICTABLE(a2 != zero) {
74         a2 = (const int8_t*) ((uintptr_t) a2 + a_offset);
75       }
76       a += 3;
77 
78       size_t k = kc;
79       do {
80         int8x8_t va0x0 = vld1_s8(a0); a0 += 8;
81         int8x8_t va1x0 = vld1_s8(a1); a1 += 8;
82         int8x8_t va2x0 = vld1_s8(a2); a2 += 8;
83 
84         const int8x8_t vb0123c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
85         const int8x8_t vb4567c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
86         const int8x8_t vb0123c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
87         const int8x8_t vb4567c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
88         const int8x8_t vb0123c2x0 = vld1_s8(w); w = (const int8_t*) w + 8;
89         const int8x8_t vb4567c2x0 = vld1_s8(w); w = (const int8_t*) w + 8;
90         const int8x8_t vb0123c3x0 = vld1_s8(w); w = (const int8_t*) w + 8;
91         const int8x8_t vb4567c3x0 = vld1_s8(w); w = (const int8_t*) w + 8;
92 
93         int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0x0, va0x0);
94         int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0x0, va1x0);
95         int16x8_t vprod2x0123c0 = vmull_s8(vb0123c0x0, va2x0);
96         vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
97         vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
98         vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c0);
99         int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0x0, va0x0);
100         int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0x0, va1x0);
101         int16x8_t vprod2x4567c0 = vmull_s8(vb4567c0x0, va2x0);
102         vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
103         vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
104         vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c0);
105         va0x0 = vext_s8(va0x0, va0x0, 2);
106         va1x0 = vext_s8(va1x0, va1x0, 2);
107         va2x0 = vext_s8(va2x0, va2x0, 2);
108         int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1x0, va0x0);
109         int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1x0, va1x0);
110         int16x8_t vprod2x0123c1 = vmull_s8(vb0123c1x0, va2x0);
111         vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
112         vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
113         vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c1);
114         int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1x0, va0x0);
115         int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1x0, va1x0);
116         int16x8_t vprod2x4567c1 = vmull_s8(vb4567c1x0, va2x0);
117         vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
118         vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
119         vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c1);
120         va0x0 = vext_s8(va0x0, va0x0, 2);
121         va1x0 = vext_s8(va1x0, va1x0, 2);
122         va2x0 = vext_s8(va2x0, va2x0, 2);
123         int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2x0, va0x0);
124         int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2x0, va1x0);
125         int16x8_t vprod2x0123c2 = vmull_s8(vb0123c2x0, va2x0);
126         vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
127         vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
128         vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c2);
129         int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2x0, va0x0);
130         int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2x0, va1x0);
131         int16x8_t vprod2x4567c2 = vmull_s8(vb4567c2x0, va2x0);
132         vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
133         vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
134         vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c2);
135         va0x0 = vext_s8(va0x0, va0x0, 2);
136         va1x0 = vext_s8(va1x0, va1x0, 2);
137         va2x0 = vext_s8(va2x0, va2x0, 2);
138         int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3x0, va0x0);
139         int16x8_t vprod1x0123c3 = vmull_s8(vb0123c3x0, va1x0);
140         int16x8_t vprod2x0123c3 = vmull_s8(vb0123c3x0, va2x0);
141         vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
142         vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c3);
143         vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c3);
144         int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3x0, va0x0);
145         int16x8_t vprod1x4567c3 = vmull_s8(vb4567c3x0, va1x0);
146         int16x8_t vprod2x4567c3 = vmull_s8(vb4567c3x0, va2x0);
147         vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
148         vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c3);
149         vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c3);
150 
151         k -= 8 * sizeof(int8_t);
152       } while (k != 0);
153 
154       p -= 3 * sizeof(void*);
155     } while (p != 0);
156 
157     const int32x4_t vright_pre_shift = vld1q_dup_s32(&params->rndnu_neon.right_pre_shift);
158     const int32x4_t vmultiplier = vld1q_dup_s32(&params->rndnu_neon.multiplier);
159     const int32x4_t vright_post_shift = vld1q_dup_s32(&params->rndnu_neon.right_post_shift);
160 
161     vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
162     vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
163     vacc1x0123 = vqshlq_s32(vacc1x0123, vright_pre_shift);
164     vacc1x4567 = vqshlq_s32(vacc1x4567, vright_pre_shift);
165     vacc2x0123 = vqshlq_s32(vacc2x0123, vright_pre_shift);
166     vacc2x4567 = vqshlq_s32(vacc2x4567, vright_pre_shift);
167 
168     vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
169     vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
170     vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
171     vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
172     vacc2x0123 = vqdmulhq_s32(vacc2x0123, vmultiplier);
173     vacc2x4567 = vqdmulhq_s32(vacc2x4567, vmultiplier);
174 
175     vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
176     vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
177     vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
178     vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
179     vacc2x0123 = vrshlq_s32(vacc2x0123, vright_post_shift);
180     vacc2x4567 = vrshlq_s32(vacc2x4567, vright_post_shift);
181 
182     const int16x8_t voutput_zero_point = vld1q_dup_s16(&params->rndnu_neon.output_zero_point);
183 #if XNN_ARCH_ARM64
184     int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
185     int16x8_t vacc1x01234567 = vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567);
186     int16x8_t vacc2x01234567 = vqmovn_high_s32(vqmovn_s32(vacc2x0123), vacc2x4567);
187 
188     vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
189     vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
190     vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
191 
192     int8x16_t vout0x01234567_1x01234567 = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc1x01234567);
193     int8x8_t vout2x01234567 = vqmovn_s16(vacc2x01234567);
194 #else
195     int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
196     int16x8_t vacc1x01234567 = vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567));
197     int16x8_t vacc2x01234567 = vcombine_s16(vqmovn_s32(vacc2x0123), vqmovn_s32(vacc2x4567));
198 
199     vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
200     vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
201     vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
202 
203     int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc1x01234567));
204     int8x8_t vout2x01234567 = vqmovn_s16(vacc2x01234567);
205 #endif
206 
207     const int8x16_t voutput_min = vld1q_dup_s8(&params->rndnu_neon.output_min);
208     vout0x01234567_1x01234567 = vmaxq_s8(vout0x01234567_1x01234567, voutput_min);
209     vout2x01234567 = vmax_s8(vout2x01234567, vget_low_s8(voutput_min));
210 
211     const int8x16_t voutput_max = vld1q_dup_s8(&params->rndnu_neon.output_max);
212     vout0x01234567_1x01234567 = vminq_s8(vout0x01234567_1x01234567, voutput_max);
213     vout2x01234567 = vmin_s8(vout2x01234567, vget_low_s8(voutput_max));
214 
215     if (nc >= 8) {
216       vst1_s8(c2 + 0, vout2x01234567);
217       vst1_s8(c1 + 0, vget_high_s8(vout0x01234567_1x01234567));
218       vst1_s8(c0 + 0, vget_low_s8(vout0x01234567_1x01234567));
219 
220       c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
221       c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
222       c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
223 
224       a = (const int8_t**restrict) ((uintptr_t) a - ks);
225 
226       nc -= 8;
227     } else {
228       if (nc & 4) {
229         vst1_lane_u32((void*) c2, vreinterpret_u32_s8(vout2x01234567), 0); c2 += 4;
230         vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
231         vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
232         vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 4);
233         vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
234       }
235       if (nc & 2) {
236         vst1_lane_u16((void*) c2, vreinterpret_u16_s8(vout2x01234567), 0); c2 += 2;
237         vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
238         vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
239         vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 2);
240         vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
241       }
242       if (nc & 1) {
243         vst1_lane_s8(c2, vout2x01234567, 0);
244         vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
245         vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
246       }
247 
248       nc = 0;
249     }
250   } while (nc != 0);
251 }
252