1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-gemm/c16-neon-mlal.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_rndnu_ukernel_2x8c16__neon_mlal(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_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_qs8_gemm_minmax_rndnu_ukernel_2x8c16__neon_mlal(
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_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(int8_t) == 0);
35 assert(a != NULL);
36 assert(w != NULL);
37 assert(c != NULL);
38
39 kc = round_up_po2(kc, 16 * sizeof(int8_t));
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
49 do {
50 int32x4_t vacc0x0 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
51 int32x4_t vacc0x1 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
52 int32x4_t vacc0x2 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
53 int32x4_t vacc0x3 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
54 int32x4_t vacc0x4 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
55 int32x4_t vacc0x5 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
56 int32x4_t vacc0x6 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
57 int32x4_t vacc0x7 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
58 int32x4_t vacc1x0 = vacc0x0;
59 int32x4_t vacc1x1 = vacc0x1;
60 int32x4_t vacc1x2 = vacc0x2;
61 int32x4_t vacc1x3 = vacc0x3;
62 int32x4_t vacc1x4 = vacc0x4;
63 int32x4_t vacc1x5 = vacc0x5;
64 int32x4_t vacc1x6 = vacc0x6;
65 int32x4_t vacc1x7 = vacc0x7;
66
67 // KC loop of 16
68 size_t k = kc;
69 while (k != 0) {
70 const int8x16_t va0 = vld1q_s8(a0); a0 += 16;
71 const int8x16_t va1 = vld1q_s8(a1); a1 += 16;
72
73 const int8x16_t vb0 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
74 const int8x16_t vb1 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
75 const int8x16_t vb2 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
76 const int8x16_t vb3 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
77 const int8x16_t vb4 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
78 const int8x16_t vb5 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
79 const int8x16_t vb6 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
80 const int8x16_t vb7 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
81
82 int16x8_t vprod0x0 = vmull_s8(vget_low_s8(vb0), vget_low_s8(va0));
83 int16x8_t vprod1x0 = vmull_s8(vget_low_s8(vb0), vget_low_s8(va1));
84 vprod0x0 = vmlal_s8(vprod0x0, vget_high_s8(vb0), vget_high_s8(va0));
85 vprod1x0 = vmlal_s8(vprod1x0, vget_high_s8(vb0), vget_high_s8(va1));
86 vacc0x0 = vpadalq_s16(vacc0x0, vprod0x0);
87 vacc1x0 = vpadalq_s16(vacc1x0, vprod1x0);
88 int16x8_t vprod0x1 = vmull_s8(vget_low_s8(vb1), vget_low_s8(va0));
89 int16x8_t vprod1x1 = vmull_s8(vget_low_s8(vb1), vget_low_s8(va1));
90 vprod0x1 = vmlal_s8(vprod0x1, vget_high_s8(vb1), vget_high_s8(va0));
91 vprod1x1 = vmlal_s8(vprod1x1, vget_high_s8(vb1), vget_high_s8(va1));
92 vacc0x1 = vpadalq_s16(vacc0x1, vprod0x1);
93 vacc1x1 = vpadalq_s16(vacc1x1, vprod1x1);
94 int16x8_t vprod0x2 = vmull_s8(vget_low_s8(vb2), vget_low_s8(va0));
95 int16x8_t vprod1x2 = vmull_s8(vget_low_s8(vb2), vget_low_s8(va1));
96 vprod0x2 = vmlal_s8(vprod0x2, vget_high_s8(vb2), vget_high_s8(va0));
97 vprod1x2 = vmlal_s8(vprod1x2, vget_high_s8(vb2), vget_high_s8(va1));
98 vacc0x2 = vpadalq_s16(vacc0x2, vprod0x2);
99 vacc1x2 = vpadalq_s16(vacc1x2, vprod1x2);
100 int16x8_t vprod0x3 = vmull_s8(vget_low_s8(vb3), vget_low_s8(va0));
101 int16x8_t vprod1x3 = vmull_s8(vget_low_s8(vb3), vget_low_s8(va1));
102 vprod0x3 = vmlal_s8(vprod0x3, vget_high_s8(vb3), vget_high_s8(va0));
103 vprod1x3 = vmlal_s8(vprod1x3, vget_high_s8(vb3), vget_high_s8(va1));
104 vacc0x3 = vpadalq_s16(vacc0x3, vprod0x3);
105 vacc1x3 = vpadalq_s16(vacc1x3, vprod1x3);
106 int16x8_t vprod0x4 = vmull_s8(vget_low_s8(vb4), vget_low_s8(va0));
107 int16x8_t vprod1x4 = vmull_s8(vget_low_s8(vb4), vget_low_s8(va1));
108 vprod0x4 = vmlal_s8(vprod0x4, vget_high_s8(vb4), vget_high_s8(va0));
109 vprod1x4 = vmlal_s8(vprod1x4, vget_high_s8(vb4), vget_high_s8(va1));
110 vacc0x4 = vpadalq_s16(vacc0x4, vprod0x4);
111 vacc1x4 = vpadalq_s16(vacc1x4, vprod1x4);
112 int16x8_t vprod0x5 = vmull_s8(vget_low_s8(vb5), vget_low_s8(va0));
113 int16x8_t vprod1x5 = vmull_s8(vget_low_s8(vb5), vget_low_s8(va1));
114 vprod0x5 = vmlal_s8(vprod0x5, vget_high_s8(vb5), vget_high_s8(va0));
115 vprod1x5 = vmlal_s8(vprod1x5, vget_high_s8(vb5), vget_high_s8(va1));
116 vacc0x5 = vpadalq_s16(vacc0x5, vprod0x5);
117 vacc1x5 = vpadalq_s16(vacc1x5, vprod1x5);
118 int16x8_t vprod0x6 = vmull_s8(vget_low_s8(vb6), vget_low_s8(va0));
119 int16x8_t vprod1x6 = vmull_s8(vget_low_s8(vb6), vget_low_s8(va1));
120 vprod0x6 = vmlal_s8(vprod0x6, vget_high_s8(vb6), vget_high_s8(va0));
121 vprod1x6 = vmlal_s8(vprod1x6, vget_high_s8(vb6), vget_high_s8(va1));
122 vacc0x6 = vpadalq_s16(vacc0x6, vprod0x6);
123 vacc1x6 = vpadalq_s16(vacc1x6, vprod1x6);
124 int16x8_t vprod0x7 = vmull_s8(vget_low_s8(vb7), vget_low_s8(va0));
125 int16x8_t vprod1x7 = vmull_s8(vget_low_s8(vb7), vget_low_s8(va1));
126 vprod0x7 = vmlal_s8(vprod0x7, vget_high_s8(vb7), vget_high_s8(va0));
127 vprod1x7 = vmlal_s8(vprod1x7, vget_high_s8(vb7), vget_high_s8(va1));
128 vacc0x7 = vpadalq_s16(vacc0x7, vprod0x7);
129 vacc1x7 = vpadalq_s16(vacc1x7, vprod1x7);
130
131 k -= 16 * sizeof(int8_t);
132 }
133
134 #if XNN_ARCH_ARM64
135 const int32x4_t vsum0x01 = vpaddq_s32(vacc0x0, vacc0x1);
136 const int32x4_t vsum0x23 = vpaddq_s32(vacc0x2, vacc0x3);
137 const int32x4_t vsum0x45 = vpaddq_s32(vacc0x4, vacc0x5);
138 const int32x4_t vsum0x67 = vpaddq_s32(vacc0x6, vacc0x7);
139 const int32x4_t vsum1x01 = vpaddq_s32(vacc1x0, vacc1x1);
140 const int32x4_t vsum1x23 = vpaddq_s32(vacc1x2, vacc1x3);
141 const int32x4_t vsum1x45 = vpaddq_s32(vacc1x4, vacc1x5);
142 const int32x4_t vsum1x67 = vpaddq_s32(vacc1x6, vacc1x7);
143 int32x4_t vacc0x0123 = vpaddq_s32(vsum0x01, vsum0x23);
144 int32x4_t vacc0x4567 = vpaddq_s32(vsum0x45, vsum0x67);
145 int32x4_t vacc1x0123 = vpaddq_s32(vsum1x01, vsum1x23);
146 int32x4_t vacc1x4567 = vpaddq_s32(vsum1x45, vsum1x67);
147 #else
148 const int32x2_t vpsum0x0 = vadd_s32(vget_low_s32(vacc0x0), vget_high_s32(vacc0x0));
149 const int32x2_t vpsum0x1 = vadd_s32(vget_low_s32(vacc0x1), vget_high_s32(vacc0x1));
150 const int32x2_t vpsum0x2 = vadd_s32(vget_low_s32(vacc0x2), vget_high_s32(vacc0x2));
151 const int32x2_t vpsum0x3 = vadd_s32(vget_low_s32(vacc0x3), vget_high_s32(vacc0x3));
152 const int32x2_t vsum0x01 = vpadd_s32(vpsum0x0, vpsum0x1);
153 const int32x2_t vsum0x23 = vpadd_s32(vpsum0x2, vpsum0x3);
154 int32x4_t vacc0x0123 = vcombine_s32(vsum0x01, vsum0x23 );
155 const int32x2_t vpsum0x4 = vadd_s32(vget_low_s32(vacc0x4), vget_high_s32(vacc0x4));
156 const int32x2_t vpsum0x5 = vadd_s32(vget_low_s32(vacc0x5), vget_high_s32(vacc0x5));
157 const int32x2_t vpsum0x6 = vadd_s32(vget_low_s32(vacc0x6), vget_high_s32(vacc0x6));
158 const int32x2_t vpsum0x7 = vadd_s32(vget_low_s32(vacc0x7), vget_high_s32(vacc0x7));
159 const int32x2_t vsum0x45 = vpadd_s32(vpsum0x4, vpsum0x5);
160 const int32x2_t vsum0x67 = vpadd_s32(vpsum0x6, vpsum0x7);
161 int32x4_t vacc0x4567 = vcombine_s32(vsum0x45, vsum0x67 );
162 const int32x2_t vpsum1x0 = vadd_s32(vget_low_s32(vacc1x0), vget_high_s32(vacc1x0));
163 const int32x2_t vpsum1x1 = vadd_s32(vget_low_s32(vacc1x1), vget_high_s32(vacc1x1));
164 const int32x2_t vpsum1x2 = vadd_s32(vget_low_s32(vacc1x2), vget_high_s32(vacc1x2));
165 const int32x2_t vpsum1x3 = vadd_s32(vget_low_s32(vacc1x3), vget_high_s32(vacc1x3));
166 const int32x2_t vsum1x01 = vpadd_s32(vpsum1x0, vpsum1x1);
167 const int32x2_t vsum1x23 = vpadd_s32(vpsum1x2, vpsum1x3);
168 int32x4_t vacc1x0123 = vcombine_s32(vsum1x01, vsum1x23 );
169 const int32x2_t vpsum1x4 = vadd_s32(vget_low_s32(vacc1x4), vget_high_s32(vacc1x4));
170 const int32x2_t vpsum1x5 = vadd_s32(vget_low_s32(vacc1x5), vget_high_s32(vacc1x5));
171 const int32x2_t vpsum1x6 = vadd_s32(vget_low_s32(vacc1x6), vget_high_s32(vacc1x6));
172 const int32x2_t vpsum1x7 = vadd_s32(vget_low_s32(vacc1x7), vget_high_s32(vacc1x7));
173 const int32x2_t vsum1x45 = vpadd_s32(vpsum1x4, vpsum1x5);
174 const int32x2_t vsum1x67 = vpadd_s32(vpsum1x6, vpsum1x7);
175 int32x4_t vacc1x4567 = vcombine_s32(vsum1x45, vsum1x67 );
176 #endif
177
178 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
179 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
180 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
181
182 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
183 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
184 vacc1x0123 = vqshlq_s32(vacc1x0123, vright_pre_shift);
185 vacc1x4567 = vqshlq_s32(vacc1x4567, vright_pre_shift);
186
187 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
188 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
189 vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
190 vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
191
192 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
193 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
194 vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
195 vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
196
197 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
198 #if XNN_ARCH_ARM64
199 const int16x8_t vacc0x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567), voutput_zero_point);
200 const int16x8_t vacc1x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567), voutput_zero_point);
201 int8x16_t vout0x01234567_1x01234567 = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc1x01234567);
202 #else
203 const int16x8_t vacc0x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567)), voutput_zero_point);
204 const int16x8_t vacc1x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567)), voutput_zero_point);
205
206 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc1x01234567));
207 #endif
208 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->rndnu_neon.output_min);
209 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->rndnu_neon.output_max);
210
211 vout0x01234567_1x01234567 = vmaxq_s8(vout0x01234567_1x01234567, voutput_min);
212
213 vout0x01234567_1x01234567 = vminq_s8(vout0x01234567_1x01234567, voutput_max);
214
215 if (nc >= 8) {
216 vst1_s8(c0 + 0, vget_low_s8(vout0x01234567_1x01234567));
217 vst1_s8(c1 + 0, vget_high_s8(vout0x01234567_1x01234567));
218
219 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
220 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
221
222 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
223 a1 = (const int8_t*) ((uintptr_t) a1 - kc);
224
225 nc -= 8;
226 } else {
227 // Final case where not all of the 8 columns fit in the destination.
228 if (nc & 4) {
229 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
230 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
231 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
232 }
233 if (nc & 2) {
234 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
235 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
236 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
237 }
238 if (nc & 1) {
239 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
240 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
241 }
242
243 nc = 0;
244 }
245 } while (nc != 0);
246 }
247