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_1x8c2__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_1x8c2__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 <= 1);
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
42 do {
43 int32x4_t vacc0x0123 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
44 int32x4_t vacc0x4567 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
45
46 size_t k = kc;
47
48
49 while (k >= 8 * sizeof(int8_t)) {
50 const int16x4x2_t va00 = vld2_dup_s16((const void*)a0);
51 const int16x4x2_t va01 = vld2_dup_s16((const void*)(a0 + 4)); a0 += 8;
52
53 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
54 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
55 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
56 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
57 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
58 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
59 const int8x8_t vb0123c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
60 const int8x8_t vb4567c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
61
62 const int8x8_t va0c0 = vreinterpret_s8_s16(va00.val[0]);
63
64 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
65 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
66 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
67 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
68 const int8x8_t va0c1 = vreinterpret_s8_s16(va00.val[1]);
69
70 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
71 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
72 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
73 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
74 const int8x8_t va0c2 = vreinterpret_s8_s16(va01.val[0]);
75
76 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
77 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
78 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
79 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
80 const int8x8_t va0c3 = vreinterpret_s8_s16(va01.val[1]);
81
82 const int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3, va0c3);
83 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
84 const int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3, va0c3);
85 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
86
87 k -= 8 * sizeof(int8_t);
88 }
89
90 if XNN_UNLIKELY(k != 0) {
91 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
92
93 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
94 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
95
96 const int8x8_t va0c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 0));
97 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
98 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
99 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
100 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
101
102 if (k > 2 * sizeof(int8_t)) {
103 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
104 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
105
106 const int8x8_t va0c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 1));
107 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
108 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
109 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
110 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
111
112 if (k > 4 * sizeof(int8_t)) {
113 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
114 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
115
116 const int8x8_t va0c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 2));
117 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
118 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
119 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
120 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
121 }
122 }
123 }
124
125 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
126 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
127 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
128
129 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
130 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
131
132 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
133 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
134
135 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
136 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
137
138 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
139 #if XNN_ARCH_ARM64
140 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
141
142 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
143
144 int8x8_t vout0x01234567 = vqmovn_s16(vacc0x01234567);
145 #else
146 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
147
148 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
149
150 int8x8_t vout0x01234567 = vqmovn_s16(vacc0x01234567);
151 #endif
152
153 const int8x8_t voutput_min = vld1_dup_s8(¶ms->rndnu_neon.output_min);
154 vout0x01234567 = vmax_s8(vout0x01234567, voutput_min);
155
156 const int8x8_t voutput_max = vld1_dup_s8(¶ms->rndnu_neon.output_max);
157 vout0x01234567 = vmin_s8(vout0x01234567, voutput_max);
158
159 if (nc >= 8) {
160 vst1_s8(c0 + 0, vout0x01234567);
161
162 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
163
164 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
165
166 nc -= 8;
167 } else {
168 // Final case where not all of the 8 columns fit in the destination.
169 if (nc & 4) {
170 vst1_lane_u32((void*) c0, vreinterpret_u32_s8(vout0x01234567), 0); c0 += 4;
171 vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 4);
172 }
173 if (nc & 2) {
174 vst1_lane_u16((void*) c0, vreinterpret_u16_s8(vout0x01234567), 0); c0 += 2;
175 vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 2);
176 }
177 if (nc & 1) {
178 vst1_lane_s8(c0, vout0x01234567, 0);
179 }
180
181 nc = 0;
182 }
183 } while (nc != 0);
184 }
185