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_1x8c2__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_1x8c2__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 <= 1);
33 assert(nc != 0);
34 assert(kc != 0);
35 assert(ks != 0);
36 assert(ks % (1 * 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
45 do {
46 int32x4_t vacc0x0123 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
47 int32x4_t vacc0x4567 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
48
49 size_t p = ks;
50 do {
51 const int8_t* restrict a0 = a[0];
52 if XNN_UNPREDICTABLE(a0 != zero) {
53 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
54 }
55 a += 1;
56
57 size_t k = kc;
58
59
60 while (k >= 8 * sizeof(int8_t)) {
61 const int16x4_t va00 = vld1_dup_s16((const void*)a0);
62 const int16x4_t va01 = vld1_dup_s16((const void*)(a0 + 2));
63 const int16x4_t va02 = vld1_dup_s16((const void*)(a0 + 4));
64 const int16x4_t va03 = vld1_dup_s16((const void*)(a0 + 6)); a0 += 8;
65
66 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
67 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
68 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
69 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
70 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
71 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
72 const int8x8_t vb0123c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
73 const int8x8_t vb4567c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
74
75 const int8x8_t va0c0 = vreinterpret_s8_s16(va00);
76
77 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
78 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
79 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
80 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
81 const int8x8_t va0c1 = vreinterpret_s8_s16(va01);
82
83 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
84 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
85 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
86 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
87 const int8x8_t va0c2 = vreinterpret_s8_s16(va02);
88
89 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
90 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
91 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
92 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
93 const int8x8_t va0c3 = vreinterpret_s8_s16(va03);
94
95 const int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3, va0c3);
96 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
97 const int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3, va0c3);
98 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
99
100 k -= 8 * sizeof(int8_t);
101 }
102
103 if XNN_UNLIKELY(k != 0) {
104 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
105
106 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
107 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
108
109 const int8x8_t va0c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 0));
110 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
111 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
112 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
113 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
114
115 if (k > 2 * sizeof(int8_t)) {
116 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
117 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
118
119 const int8x8_t va0c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 1));
120 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
121 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
122 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
123 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
124
125 if (k > 4 * sizeof(int8_t)) {
126 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
127 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
128
129 const int8x8_t va0c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 2));
130 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
131 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
132 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
133 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
134 }
135 }
136 }
137 p -= 1 * sizeof(void*);
138 } while (p != 0);
139
140 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
141 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
142 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
143
144 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
145 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
146
147 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
148 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
149
150 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
151 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
152
153 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
154 #if XNN_ARCH_ARM64
155 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
156
157 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
158
159 int8x8_t vout0x01234567 = vqmovn_s16(vacc0x01234567);
160 #else
161 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
162
163 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
164
165 int8x8_t vout0x01234567 = vqmovn_s16(vacc0x01234567);
166 #endif
167
168 const int8x8_t voutput_min = vld1_dup_s8(¶ms->rndnu_neon.output_min);
169 vout0x01234567 = vmax_s8(vout0x01234567, voutput_min);
170
171 const int8x8_t voutput_max = vld1_dup_s8(¶ms->rndnu_neon.output_max);
172 vout0x01234567 = vmin_s8(vout0x01234567, voutput_max);
173
174 if (nc >= 8) {
175 vst1_s8(c0 + 0, vout0x01234567);
176
177 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
178
179 a = (const int8_t**restrict) ((uintptr_t) a - ks);
180
181 nc -= 8;
182 } else {
183 if (nc & 4) {
184 vst1_lane_u32((void*) c0, vreinterpret_u32_s8(vout0x01234567), 0); c0 += 4;
185 vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 4);
186 }
187 if (nc & 2) {
188 vst1_lane_u16((void*) c0, vreinterpret_u16_s8(vout0x01234567), 0); c0 += 2;
189 vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 2);
190 }
191 if (nc & 1) {
192 vst1_lane_s8(c0, vout0x01234567, 0);
193 }
194
195 nc = 0;
196 }
197 } while (nc != 0);
198 }
199