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_ld1r(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_ld1r(
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 int16x4_t va00 = vld1_dup_s16((const void*)a0);
51 const int16x4_t va01 = vld1_dup_s16((const void*)(a0 + 2));
52 const int16x4_t va02 = vld1_dup_s16((const void*)(a0 + 4));
53 const int16x4_t va03 = vld1_dup_s16((const void*)(a0 + 6)); a0 += 8;
54
55 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
56 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
57 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
58 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
59 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
60 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
61 const int8x8_t vb0123c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
62 const int8x8_t vb4567c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
63
64 const int8x8_t va0c0 = vreinterpret_s8_s16(va00);
65
66 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
67 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
68 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
69 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
70 const int8x8_t va0c1 = vreinterpret_s8_s16(va01);
71
72 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
73 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
74 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
75 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
76 const int8x8_t va0c2 = vreinterpret_s8_s16(va02);
77
78 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
79 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
80 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
81 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
82 const int8x8_t va0c3 = vreinterpret_s8_s16(va03);
83
84 const int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3, va0c3);
85 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
86 const int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3, va0c3);
87 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
88
89 k -= 8 * sizeof(int8_t);
90 }
91
92 if XNN_UNLIKELY(k != 0) {
93 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
94
95 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
96 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
97
98 const int8x8_t va0c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 0));
99 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
100 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
101 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
102 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
103
104 if (k > 2 * sizeof(int8_t)) {
105 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
106 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
107
108 const int8x8_t va0c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 1));
109 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
110 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
111 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
112 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
113
114 if (k > 4 * sizeof(int8_t)) {
115 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
116 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
117
118 const int8x8_t va0c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 2));
119 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
120 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
121 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
122 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
123 }
124 }
125 }
126
127 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
128 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
129 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
130
131 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
132 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
133
134 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
135 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
136
137 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
138 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
139
140 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
141 #if XNN_ARCH_ARM64
142 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
143
144 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
145
146 int8x8_t vout0x01234567 = vqmovn_s16(vacc0x01234567);
147 #else
148 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
149
150 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
151
152 int8x8_t vout0x01234567 = vqmovn_s16(vacc0x01234567);
153 #endif
154
155 const int8x8_t voutput_min = vld1_dup_s8(¶ms->rndnu_neon.output_min);
156 vout0x01234567 = vmax_s8(vout0x01234567, voutput_min);
157
158 const int8x8_t voutput_max = vld1_dup_s8(¶ms->rndnu_neon.output_max);
159 vout0x01234567 = vmin_s8(vout0x01234567, voutput_max);
160
161 if (nc >= 8) {
162 vst1_s8(c0 + 0, vout0x01234567);
163
164 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
165
166 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
167
168 nc -= 8;
169 } else {
170 // Final case where not all of the 8 columns fit in the destination.
171 if (nc & 4) {
172 vst1_lane_u32((void*) c0, vreinterpret_u32_s8(vout0x01234567), 0); c0 += 4;
173 vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 4);
174 }
175 if (nc & 2) {
176 vst1_lane_u16((void*) c0, vreinterpret_u16_s8(vout0x01234567), 0); c0 += 2;
177 vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 2);
178 }
179 if (nc & 1) {
180 vst1_lane_s8(c0, vout0x01234567, 0);
181 }
182
183 nc = 0;
184 }
185 } while (nc != 0);
186 }
187