1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-gemm/c8-neon-mull-padal.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_ukernel_3x8c8__neon_mull_padal(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_gemm_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_qs8_gemm_minmax_ukernel_3x8c8__neon_mull_padal(
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_gemm_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN
29 {
30 assert(mr != 0);
31 assert(mr <= 3);
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, 8);
40 const int8_t* a0 = a;
41 int8_t* c0 = c;
42 const int8_t* a1 = (const int8_t*) ((uintptr_t) a0 + a_stride);
43 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
44 if XNN_UNPREDICTABLE(mr < 2) {
45 a1 = a0;
46 c1 = c0;
47 }
48 const int8_t* a2 = (const int8_t*) ((uintptr_t) a1 + a_stride);
49 int8_t* c2 = (int8_t*) ((uintptr_t) c1 + cm_stride);
50 if XNN_UNPREDICTABLE(mr <= 2) {
51 a2 = a1;
52 c2 = c1;
53 }
54
55 do {
56 int32x4_t vacc0x0 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
57 int32x4_t vacc0x1 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
58 int32x4_t vacc0x2 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
59 int32x4_t vacc0x3 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
60 int32x4_t vacc0x4 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
61 int32x4_t vacc0x5 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
62 int32x4_t vacc0x6 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
63 int32x4_t vacc0x7 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
64 int32x4_t vacc1x0 = vacc0x0;
65 int32x4_t vacc1x1 = vacc0x1;
66 int32x4_t vacc1x2 = vacc0x2;
67 int32x4_t vacc1x3 = vacc0x3;
68 int32x4_t vacc1x4 = vacc0x4;
69 int32x4_t vacc1x5 = vacc0x5;
70 int32x4_t vacc1x6 = vacc0x6;
71 int32x4_t vacc1x7 = vacc0x7;
72 int32x4_t vacc2x0 = vacc0x0;
73 int32x4_t vacc2x1 = vacc0x1;
74 int32x4_t vacc2x2 = vacc0x2;
75 int32x4_t vacc2x3 = vacc0x3;
76 int32x4_t vacc2x4 = vacc0x4;
77 int32x4_t vacc2x5 = vacc0x5;
78 int32x4_t vacc2x6 = vacc0x6;
79 int32x4_t vacc2x7 = vacc0x7;
80
81 size_t k = kc;
82
83 // Handle 8 bytes at a time using MUL.
84 while (k > 0) {
85 const int8x8_t va0 = vld1_s8(a0); a0 += 8;
86 const int8x8_t va1 = vld1_s8(a1); a1 += 8;
87 const int8x8_t va2 = vld1_s8(a2); a2 += 8;
88
89 const int8x8_t vb0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
90 const int16x8_t vprod0x0 = vmull_s8(vb0, va0);
91 const int16x8_t vprod1x0 = vmull_s8(vb0, va1);
92 const int16x8_t vprod2x0 = vmull_s8(vb0, va2);
93 vacc0x0 = vpadalq_s16(vacc0x0, vprod0x0);
94 vacc1x0 = vpadalq_s16(vacc1x0, vprod1x0);
95 vacc2x0 = vpadalq_s16(vacc2x0, vprod2x0);
96 const int8x8_t vb1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
97 const int16x8_t vprod0x1 = vmull_s8(vb1, va0);
98 const int16x8_t vprod1x1 = vmull_s8(vb1, va1);
99 const int16x8_t vprod2x1 = vmull_s8(vb1, va2);
100 vacc0x1 = vpadalq_s16(vacc0x1, vprod0x1);
101 vacc1x1 = vpadalq_s16(vacc1x1, vprod1x1);
102 vacc2x1 = vpadalq_s16(vacc2x1, vprod2x1);
103 const int8x8_t vb2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
104 const int16x8_t vprod0x2 = vmull_s8(vb2, va0);
105 const int16x8_t vprod1x2 = vmull_s8(vb2, va1);
106 const int16x8_t vprod2x2 = vmull_s8(vb2, va2);
107 vacc0x2 = vpadalq_s16(vacc0x2, vprod0x2);
108 vacc1x2 = vpadalq_s16(vacc1x2, vprod1x2);
109 vacc2x2 = vpadalq_s16(vacc2x2, vprod2x2);
110 const int8x8_t vb3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
111 const int16x8_t vprod0x3 = vmull_s8(vb3, va0);
112 const int16x8_t vprod1x3 = vmull_s8(vb3, va1);
113 const int16x8_t vprod2x3 = vmull_s8(vb3, va2);
114 vacc0x3 = vpadalq_s16(vacc0x3, vprod0x3);
115 vacc1x3 = vpadalq_s16(vacc1x3, vprod1x3);
116 vacc2x3 = vpadalq_s16(vacc2x3, vprod2x3);
117 const int8x8_t vb4 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
118 const int16x8_t vprod0x4 = vmull_s8(vb4, va0);
119 const int16x8_t vprod1x4 = vmull_s8(vb4, va1);
120 const int16x8_t vprod2x4 = vmull_s8(vb4, va2);
121 vacc0x4 = vpadalq_s16(vacc0x4, vprod0x4);
122 vacc1x4 = vpadalq_s16(vacc1x4, vprod1x4);
123 vacc2x4 = vpadalq_s16(vacc2x4, vprod2x4);
124 const int8x8_t vb5 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
125 const int16x8_t vprod0x5 = vmull_s8(vb5, va0);
126 const int16x8_t vprod1x5 = vmull_s8(vb5, va1);
127 const int16x8_t vprod2x5 = vmull_s8(vb5, va2);
128 vacc0x5 = vpadalq_s16(vacc0x5, vprod0x5);
129 vacc1x5 = vpadalq_s16(vacc1x5, vprod1x5);
130 vacc2x5 = vpadalq_s16(vacc2x5, vprod2x5);
131 const int8x8_t vb6 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
132 const int16x8_t vprod0x6 = vmull_s8(vb6, va0);
133 const int16x8_t vprod1x6 = vmull_s8(vb6, va1);
134 const int16x8_t vprod2x6 = vmull_s8(vb6, va2);
135 vacc0x6 = vpadalq_s16(vacc0x6, vprod0x6);
136 vacc1x6 = vpadalq_s16(vacc1x6, vprod1x6);
137 vacc2x6 = vpadalq_s16(vacc2x6, vprod2x6);
138 const int8x8_t vb7 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
139 const int16x8_t vprod0x7 = vmull_s8(vb7, va0);
140 const int16x8_t vprod1x7 = vmull_s8(vb7, va1);
141 const int16x8_t vprod2x7 = vmull_s8(vb7, va2);
142 vacc0x7 = vpadalq_s16(vacc0x7, vprod0x7);
143 vacc1x7 = vpadalq_s16(vacc1x7, vprod1x7);
144 vacc2x7 = vpadalq_s16(vacc2x7, vprod2x7);
145
146 k -= 8 * sizeof(int8_t);
147 }
148
149 #if XNN_ARCH_ARM64
150 const int32x4_t vsum0x01 = vpaddq_s32(vacc0x0, vacc0x1);
151 const int32x4_t vsum0x23 = vpaddq_s32(vacc0x2, vacc0x3);
152 const int32x4_t vsum0x45 = vpaddq_s32(vacc0x4, vacc0x5);
153 const int32x4_t vsum0x67 = vpaddq_s32(vacc0x6, vacc0x7);
154 const int32x4_t vsum1x01 = vpaddq_s32(vacc1x0, vacc1x1);
155 const int32x4_t vsum1x23 = vpaddq_s32(vacc1x2, vacc1x3);
156 const int32x4_t vsum1x45 = vpaddq_s32(vacc1x4, vacc1x5);
157 const int32x4_t vsum1x67 = vpaddq_s32(vacc1x6, vacc1x7);
158 const int32x4_t vsum2x01 = vpaddq_s32(vacc2x0, vacc2x1);
159 const int32x4_t vsum2x23 = vpaddq_s32(vacc2x2, vacc2x3);
160 const int32x4_t vsum2x45 = vpaddq_s32(vacc2x4, vacc2x5);
161 const int32x4_t vsum2x67 = vpaddq_s32(vacc2x6, vacc2x7);
162 int32x4_t vacc0x0123 = vpaddq_s32(vsum0x01, vsum0x23);
163 int32x4_t vacc0x4567 = vpaddq_s32(vsum0x45, vsum0x67);
164 int32x4_t vacc1x0123 = vpaddq_s32(vsum1x01, vsum1x23);
165 int32x4_t vacc1x4567 = vpaddq_s32(vsum1x45, vsum1x67);
166 int32x4_t vacc2x0123 = vpaddq_s32(vsum2x01, vsum2x23);
167 int32x4_t vacc2x4567 = vpaddq_s32(vsum2x45, vsum2x67);
168 #else
169 const int32x2_t vpsum0x0 = vadd_s32(vget_low_s32(vacc0x0), vget_high_s32(vacc0x0));
170 const int32x2_t vpsum0x1 = vadd_s32(vget_low_s32(vacc0x1), vget_high_s32(vacc0x1));
171 const int32x2_t vpsum0x2 = vadd_s32(vget_low_s32(vacc0x2), vget_high_s32(vacc0x2));
172 const int32x2_t vpsum0x3 = vadd_s32(vget_low_s32(vacc0x3), vget_high_s32(vacc0x3));
173 const int32x2_t vsum0x01 = vpadd_s32(vpsum0x0, vpsum0x1);
174 const int32x2_t vsum0x23 = vpadd_s32(vpsum0x2, vpsum0x3);
175 int32x4_t vacc0x0123 = vcombine_s32(vsum0x01, vsum0x23 );
176 const int32x2_t vpsum0x4 = vadd_s32(vget_low_s32(vacc0x4), vget_high_s32(vacc0x4));
177 const int32x2_t vpsum0x5 = vadd_s32(vget_low_s32(vacc0x5), vget_high_s32(vacc0x5));
178 const int32x2_t vpsum0x6 = vadd_s32(vget_low_s32(vacc0x6), vget_high_s32(vacc0x6));
179 const int32x2_t vpsum0x7 = vadd_s32(vget_low_s32(vacc0x7), vget_high_s32(vacc0x7));
180 const int32x2_t vsum0x45 = vpadd_s32(vpsum0x4, vpsum0x5);
181 const int32x2_t vsum0x67 = vpadd_s32(vpsum0x6, vpsum0x7);
182 int32x4_t vacc0x4567 = vcombine_s32(vsum0x45, vsum0x67 );
183 const int32x2_t vpsum1x0 = vadd_s32(vget_low_s32(vacc1x0), vget_high_s32(vacc1x0));
184 const int32x2_t vpsum1x1 = vadd_s32(vget_low_s32(vacc1x1), vget_high_s32(vacc1x1));
185 const int32x2_t vpsum1x2 = vadd_s32(vget_low_s32(vacc1x2), vget_high_s32(vacc1x2));
186 const int32x2_t vpsum1x3 = vadd_s32(vget_low_s32(vacc1x3), vget_high_s32(vacc1x3));
187 const int32x2_t vsum1x01 = vpadd_s32(vpsum1x0, vpsum1x1);
188 const int32x2_t vsum1x23 = vpadd_s32(vpsum1x2, vpsum1x3);
189 int32x4_t vacc1x0123 = vcombine_s32(vsum1x01, vsum1x23 );
190 const int32x2_t vpsum1x4 = vadd_s32(vget_low_s32(vacc1x4), vget_high_s32(vacc1x4));
191 const int32x2_t vpsum1x5 = vadd_s32(vget_low_s32(vacc1x5), vget_high_s32(vacc1x5));
192 const int32x2_t vpsum1x6 = vadd_s32(vget_low_s32(vacc1x6), vget_high_s32(vacc1x6));
193 const int32x2_t vpsum1x7 = vadd_s32(vget_low_s32(vacc1x7), vget_high_s32(vacc1x7));
194 const int32x2_t vsum1x45 = vpadd_s32(vpsum1x4, vpsum1x5);
195 const int32x2_t vsum1x67 = vpadd_s32(vpsum1x6, vpsum1x7);
196 int32x4_t vacc1x4567 = vcombine_s32(vsum1x45, vsum1x67 );
197 const int32x2_t vpsum2x0 = vadd_s32(vget_low_s32(vacc2x0), vget_high_s32(vacc2x0));
198 const int32x2_t vpsum2x1 = vadd_s32(vget_low_s32(vacc2x1), vget_high_s32(vacc2x1));
199 const int32x2_t vpsum2x2 = vadd_s32(vget_low_s32(vacc2x2), vget_high_s32(vacc2x2));
200 const int32x2_t vpsum2x3 = vadd_s32(vget_low_s32(vacc2x3), vget_high_s32(vacc2x3));
201 const int32x2_t vsum2x01 = vpadd_s32(vpsum2x0, vpsum2x1);
202 const int32x2_t vsum2x23 = vpadd_s32(vpsum2x2, vpsum2x3);
203 int32x4_t vacc2x0123 = vcombine_s32(vsum2x01, vsum2x23 );
204 const int32x2_t vpsum2x4 = vadd_s32(vget_low_s32(vacc2x4), vget_high_s32(vacc2x4));
205 const int32x2_t vpsum2x5 = vadd_s32(vget_low_s32(vacc2x5), vget_high_s32(vacc2x5));
206 const int32x2_t vpsum2x6 = vadd_s32(vget_low_s32(vacc2x6), vget_high_s32(vacc2x6));
207 const int32x2_t vpsum2x7 = vadd_s32(vget_low_s32(vacc2x7), vget_high_s32(vacc2x7));
208 const int32x2_t vsum2x45 = vpadd_s32(vpsum2x4, vpsum2x5);
209 const int32x2_t vsum2x67 = vpadd_s32(vpsum2x6, vpsum2x7);
210 int32x4_t vacc2x4567 = vcombine_s32(vsum2x45, vsum2x67 );
211 #endif
212
213 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->neon.multiplier);
214 vacc0x0123 = vqrdmulhq_s32(vacc0x0123, vmultiplier);
215 vacc0x4567 = vqrdmulhq_s32(vacc0x4567, vmultiplier);
216 vacc1x0123 = vqrdmulhq_s32(vacc1x0123, vmultiplier);
217 vacc1x4567 = vqrdmulhq_s32(vacc1x4567, vmultiplier);
218 vacc2x0123 = vqrdmulhq_s32(vacc2x0123, vmultiplier);
219 vacc2x4567 = vqrdmulhq_s32(vacc2x4567, vmultiplier);
220
221 const int32x4_t vright_shift = vld1q_dup_s32(¶ms->neon.right_shift);
222 const int32x4_t vzero_shift_mask = vreinterpretq_s32_u32(vceqq_s32(vright_shift, vmovq_n_s32(0)));
223 vacc0x0123 = vsraq_n_s32(vacc0x0123, vbicq_s32(vacc0x0123, vzero_shift_mask), 31);
224 vacc0x4567 = vsraq_n_s32(vacc0x4567, vbicq_s32(vacc0x4567, vzero_shift_mask), 31);
225 vacc1x0123 = vsraq_n_s32(vacc1x0123, vbicq_s32(vacc1x0123, vzero_shift_mask), 31);
226 vacc1x4567 = vsraq_n_s32(vacc1x4567, vbicq_s32(vacc1x4567, vzero_shift_mask), 31);
227 vacc2x0123 = vsraq_n_s32(vacc2x0123, vbicq_s32(vacc2x0123, vzero_shift_mask), 31);
228 vacc2x4567 = vsraq_n_s32(vacc2x4567, vbicq_s32(vacc2x4567, vzero_shift_mask), 31);
229
230 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_shift);
231 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_shift);
232 vacc1x0123 = vrshlq_s32(vacc1x0123, vright_shift);
233 vacc1x4567 = vrshlq_s32(vacc1x4567, vright_shift);
234 vacc2x0123 = vrshlq_s32(vacc2x0123, vright_shift);
235 vacc2x4567 = vrshlq_s32(vacc2x4567, vright_shift);
236
237 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->neon.output_zero_point);
238 #if XNN_ARCH_ARM64
239 const int16x8_t vacc0x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567), voutput_zero_point);
240 const int16x8_t vacc1x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567), voutput_zero_point);
241 const int16x8_t vacc2x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc2x0123), vacc2x4567), voutput_zero_point);
242 int8x16_t vout0x01234567_1x01234567 = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc1x01234567);
243 int8x8_t vout2x01234567 = vqmovn_s16(vacc2x01234567);
244 #else
245 const int16x8_t vacc0x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567)), voutput_zero_point);
246 const int16x8_t vacc1x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567)), voutput_zero_point);
247 const int16x8_t vacc2x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc2x0123), vqmovn_s32(vacc2x4567)), voutput_zero_point);
248
249 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc1x01234567));
250 int8x8_t vout2x01234567 = vqmovn_s16(vacc2x01234567);
251 #endif
252 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->neon.output_min);
253 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->neon.output_max);
254
255 vout0x01234567_1x01234567 = vmaxq_s8(vout0x01234567_1x01234567, voutput_min);
256 vout2x01234567 = vmax_s8(vout2x01234567, vget_low_s8(voutput_min));
257
258 vout0x01234567_1x01234567 = vminq_s8(vout0x01234567_1x01234567, voutput_max);
259 vout2x01234567 = vmin_s8(vout2x01234567, vget_low_s8(voutput_max));
260
261 if (nc >= 8) {
262 vst1_s8(c0 + 0, vget_low_s8(vout0x01234567_1x01234567));
263 vst1_s8(c1 + 0, vget_high_s8(vout0x01234567_1x01234567));
264 vst1_s8(c2 + 0, vout2x01234567);
265
266 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
267 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
268 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
269
270 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
271 a1 = (const int8_t*) ((uintptr_t) a1 - kc);
272 a2 = (const int8_t*) ((uintptr_t) a2 - kc);
273
274 nc -= 8;
275 } else {
276 if (nc & 4) {
277 vst1q_lane_u32(__builtin_assume_aligned(c0, 1), vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
278 vst1q_lane_u32(__builtin_assume_aligned(c1, 1), vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
279 vst1_lane_u32(__builtin_assume_aligned(c2, 1), vreinterpret_u32_s8(vout2x01234567), 0); c2 += 4;
280 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
281 vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 4);
282 }
283 if (nc & 2) {
284 vst1q_lane_u16(__builtin_assume_aligned(c0, 1), vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
285 vst1q_lane_u16(__builtin_assume_aligned(c1, 1), vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
286 vst1_lane_u16(__builtin_assume_aligned(c2, 1), vreinterpret_u16_s8(vout2x01234567), 0); c2 += 2;
287 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
288 vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 2);
289 }
290 if (nc & 1) {
291 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
292 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
293 vst1_lane_s8(c2, vout2x01234567, 0);
294 }
295
296 nc = 0;
297 }
298 } while (nc != 0);
299 }
300