xref: /aosp_15_r20/external/XNNPACK/src/qs8-gemm/gen/2x8c2-minmax-rndnu-neon-mull-ld2r.c (revision 4bdc94577ba0e567308109d787f7fec7b531ce36) 
1 // Auto-generated file. Do not edit!
2 //   Template: src/qs8-gemm/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_gemm_minmax_rndnu_ukernel_2x8c2__neon_mull_ld2r(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)])17 void xnn_qs8_gemm_minmax_rndnu_ukernel_2x8c2__neon_mull_ld2r(
18     size_t mr,
19     size_t nc,
20     size_t kc,
21     const int8_t* restrict a,
22     size_t a_stride,
23     const void* restrict w,
24     int8_t* restrict c,
25     size_t cm_stride,
26     size_t cn_stride,
27     const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
28 {
29   assert(mr != 0);
30   assert(mr <= 2);
31   assert(nc != 0);
32   assert(kc != 0);
33   assert(kc % sizeof(int8_t) == 0);
34   assert(a != NULL);
35   assert(w != NULL);
36   assert(c != NULL);
37 
38   kc = round_up_po2(kc, 2 * sizeof(int8_t));
39   const int8_t* a0 = a;
40   int8_t* c0 = c;
41   const int8_t* a1 = (const int8_t*) ((uintptr_t) a0 + a_stride);
42   int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
43   if XNN_UNPREDICTABLE(mr != 2) {
44     a1 = a0;
45     c1 = c0;
46   }
47 
48   do {
49     int32x4_t vacc0x0123 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
50     int32x4_t vacc0x4567 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
51     int32x4_t vacc1x0123 = vacc0x0123;
52     int32x4_t vacc1x4567 = vacc0x4567;
53 
54     size_t k = kc;
55 
56 
57     while (k >= 8 * sizeof(int8_t)) {
58       const int16x4x2_t va00 = vld2_dup_s16((const void*)a0);
59       const int16x4x2_t va01 = vld2_dup_s16((const void*)(a0 + 4)); a0 += 8;
60       const int16x4x2_t va10 = vld2_dup_s16((const void*)a1);
61       const int16x4x2_t va11 = vld2_dup_s16((const void*)(a1 + 4)); a1 += 8;
62 
63       const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
64       const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
65       const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
66       const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
67       const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
68       const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
69       const int8x8_t vb0123c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
70       const int8x8_t vb4567c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
71 
72       const int8x8_t va0c0 = vreinterpret_s8_s16(va00.val[0]);
73       const int8x8_t va1c0 = vreinterpret_s8_s16(va10.val[0]);
74 
75       const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
76       const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, va1c0);
77       vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
78       vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
79       const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
80       const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, va1c0);
81       vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
82       vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
83       const int8x8_t va0c1 = vreinterpret_s8_s16(va00.val[1]);
84       const int8x8_t va1c1 = vreinterpret_s8_s16(va10.val[1]);
85 
86       const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
87       const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, va1c1);
88       vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
89       vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
90       const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
91       const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, va1c1);
92       vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
93       vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
94       const int8x8_t va0c2 = vreinterpret_s8_s16(va01.val[0]);
95       const int8x8_t va1c2 = vreinterpret_s8_s16(va11.val[0]);
96 
97       const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
98       const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, va1c2);
99       vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
100       vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
101       const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
102       const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, va1c2);
103       vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
104       vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
105       const int8x8_t va0c3 = vreinterpret_s8_s16(va01.val[1]);
106       const int8x8_t va1c3 = vreinterpret_s8_s16(va11.val[1]);
107 
108       const int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3, va0c3);
109       const int16x8_t vprod1x0123c3 = vmull_s8(vb0123c3, va1c3);
110       vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
111       vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c3);
112       const int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3, va0c3);
113       const int16x8_t vprod1x4567c3 = vmull_s8(vb4567c3, va1c3);
114       vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
115       vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c3);
116 
117       k -= 8 * sizeof(int8_t);
118     }
119 
120     if XNN_UNLIKELY(k != 0) {
121       const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
122       const int8x8_t va1 = vld1_s8(a1); a1 = (const int8_t*) ((uintptr_t) a1 + k);
123 
124       const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
125       const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
126 
127       const int8x8_t va0c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 0));
128       const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
129       vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
130       const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
131       vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
132       const int8x8_t va1c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 0));
133       const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, va1c0);
134       vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
135       const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, va1c0);
136       vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
137 
138       if (k > 2 * sizeof(int8_t)) {
139         const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
140         const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
141 
142         const int8x8_t va0c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 1));
143         const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
144         vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
145         const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
146         vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
147         const int8x8_t va1c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 1));
148         const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, va1c1);
149         vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
150         const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, va1c1);
151         vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
152 
153         if (k > 4 * sizeof(int8_t)) {
154           const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
155           const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
156 
157           const int8x8_t va0c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 2));
158           const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
159           vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
160           const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
161           vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
162           const int8x8_t va1c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 2));
163           const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, va1c2);
164           vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
165           const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, va1c2);
166           vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
167         }
168       }
169     }
170 
171     const int32x4_t vright_pre_shift = vld1q_dup_s32(&params->rndnu_neon.right_pre_shift);
172     const int32x4_t vmultiplier = vld1q_dup_s32(&params->rndnu_neon.multiplier);
173     const int32x4_t vright_post_shift = vld1q_dup_s32(&params->rndnu_neon.right_post_shift);
174 
175     vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
176     vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
177     vacc1x0123 = vqshlq_s32(vacc1x0123, vright_pre_shift);
178     vacc1x4567 = vqshlq_s32(vacc1x4567, vright_pre_shift);
179 
180     vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
181     vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
182     vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
183     vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
184 
185     vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
186     vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
187     vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
188     vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
189 
190     const int16x8_t voutput_zero_point = vld1q_dup_s16(&params->rndnu_neon.output_zero_point);
191 #if XNN_ARCH_ARM64
192     int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
193     int16x8_t vacc1x01234567 = vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567);
194 
195     vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
196     vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
197 
198     int8x16_t vout0x01234567_1x01234567 = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc1x01234567);
199 #else
200     int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
201     int16x8_t vacc1x01234567 = vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567));
202 
203     vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
204     vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
205 
206     int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc1x01234567));
207 #endif
208 
209     const int8x16_t voutput_min = vld1q_dup_s8(&params->rndnu_neon.output_min);
210     vout0x01234567_1x01234567 = vmaxq_s8(vout0x01234567_1x01234567, voutput_min);
211 
212     const int8x16_t voutput_max = vld1q_dup_s8(&params->rndnu_neon.output_max);
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