1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-gemm/c2-neon-mull-shuffle.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_1x8c2s4__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_1x8c2s4__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 <= 1);
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 const int8_t* a0 = a;
40 int8_t* c0 = c;
41
42 kc = round_up_po2(kc, 8 * sizeof(int8_t));
43 do {
44 int32x4_t vacc0x0123 = vld1q_s32(w); w = (const int32_t*) w + 4;
45 int32x4_t vacc0x4567 = vld1q_s32(w); w = (const int32_t*) w + 4;
46
47 size_t k = kc;
48 while (k >= 16 * sizeof(int8_t)) {
49 int8x8_t va0x0 = vld1_s8(a0); a0 += 8;
50 int8x8_t va0x1 = vld1_s8(a0); a0 += 8;
51
52 const int8x8_t vb0123c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
53 const int8x8_t vb4567c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
54 const int8x8_t vb0123c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
55 const int8x8_t vb4567c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
56 const int8x8_t vb0123c2x0 = vld1_s8(w); w = (const int8_t*) w + 8;
57 const int8x8_t vb4567c2x0 = vld1_s8(w); w = (const int8_t*) w + 8;
58 const int8x8_t vb0123c3x0 = vld1_s8(w); w = (const int8_t*) w + 8;
59 const int8x8_t vb4567c3x0 = vld1_s8(w); w = (const int8_t*) w + 8;
60
61 int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0x0, va0x0);
62 const int8x8_t vb0123c0x1 = vld1_s8(w); w = (const int8_t*) w + 8;
63 vprod0x0123c0 = vmlal_s8(vprod0x0123c0, vb0123c0x1, va0x1);
64 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
65 int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0x0, va0x0);
66 const int8x8_t vb4567c0x1 = vld1_s8(w); w = (const int8_t*) w + 8;
67 vprod0x4567c0 = vmlal_s8(vprod0x4567c0, vb4567c0x1, va0x1);
68 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
69 va0x0 = vext_s8(va0x0, va0x0, 2);
70 va0x1 = vext_s8(va0x1, va0x1, 2);
71 int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1x0, va0x0);
72 const int8x8_t vb0123c1x1 = vld1_s8(w); w = (const int8_t*) w + 8;
73 vprod0x0123c1 = vmlal_s8(vprod0x0123c1, vb0123c1x1, va0x1);
74 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
75 int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1x0, va0x0);
76 const int8x8_t vb4567c1x1 = vld1_s8(w); w = (const int8_t*) w + 8;
77 vprod0x4567c1 = vmlal_s8(vprod0x4567c1, vb4567c1x1, va0x1);
78 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
79 va0x0 = vext_s8(va0x0, va0x0, 2);
80 va0x1 = vext_s8(va0x1, va0x1, 2);
81 int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2x0, va0x0);
82 const int8x8_t vb0123c2x1 = vld1_s8(w); w = (const int8_t*) w + 8;
83 vprod0x0123c2 = vmlal_s8(vprod0x0123c2, vb0123c2x1, va0x1);
84 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
85 int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2x0, va0x0);
86 const int8x8_t vb4567c2x1 = vld1_s8(w); w = (const int8_t*) w + 8;
87 vprod0x4567c2 = vmlal_s8(vprod0x4567c2, vb4567c2x1, va0x1);
88 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
89 va0x0 = vext_s8(va0x0, va0x0, 2);
90 va0x1 = vext_s8(va0x1, va0x1, 2);
91 int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3x0, va0x0);
92 const int8x8_t vb0123c3x1 = vld1_s8(w); w = (const int8_t*) w + 8;
93 vprod0x0123c3 = vmlal_s8(vprod0x0123c3, vb0123c3x1, va0x1);
94 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
95 int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3x0, va0x0);
96 const int8x8_t vb4567c3x1 = vld1_s8(w); w = (const int8_t*) w + 8;
97 vprod0x4567c3 = vmlal_s8(vprod0x4567c3, vb4567c3x1, va0x1);
98 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
99
100 k -= 16 * sizeof(int8_t);
101 }
102 if (k != 0) {
103 int8x8_t va0x0 = vld1_s8(a0); a0 += 8;
104
105 const int8x8_t vb0123c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
106 const int8x8_t vb4567c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
107 const int8x8_t vb0123c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
108 const int8x8_t vb4567c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
109 const int8x8_t vb0123c2x0 = vld1_s8(w); w = (const int8_t*) w + 8;
110 const int8x8_t vb4567c2x0 = vld1_s8(w); w = (const int8_t*) w + 8;
111 const int8x8_t vb0123c3x0 = vld1_s8(w); w = (const int8_t*) w + 8;
112 const int8x8_t vb4567c3x0 = vld1_s8(w); w = (const int8_t*) w + 8;
113
114 int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0x0, va0x0);
115 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
116 int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0x0, va0x0);
117 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
118 va0x0 = vext_s8(va0x0, va0x0, 2);
119 int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1x0, va0x0);
120 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
121 int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1x0, va0x0);
122 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
123 va0x0 = vext_s8(va0x0, va0x0, 2);
124 int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2x0, va0x0);
125 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
126 int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2x0, va0x0);
127 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
128 va0x0 = vext_s8(va0x0, va0x0, 2);
129 int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3x0, va0x0);
130 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
131 int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3x0, va0x0);
132 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
133
134 }
135
136 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
137 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
138 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
139
140 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
141 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
142
143 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
144 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
145
146 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
147 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
148
149 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
150 #if XNN_ARCH_ARM64
151 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
152
153 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
154
155 int8x8_t vout0x01234567 = vqmovn_s16(vacc0x01234567);
156 #else
157 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
158
159 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
160
161 int8x8_t vout0x01234567 = vqmovn_s16(vacc0x01234567);
162 #endif
163
164 const int8x8_t voutput_min = vld1_dup_s8(¶ms->rndnu_neon.output_min);
165 vout0x01234567 = vmax_s8(vout0x01234567, voutput_min);
166
167 const int8x8_t voutput_max = vld1_dup_s8(¶ms->rndnu_neon.output_max);
168 vout0x01234567 = vmin_s8(vout0x01234567, voutput_max);
169
170 if (nc >= 8) {
171 vst1_s8(c0 + 0, vout0x01234567);
172
173 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
174
175 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
176
177 nc -= 8;
178 } else {
179 // Final case where not all of the 8 columns fit in the destination.
180 if (nc & 4) {
181 vst1_lane_u32((void*) c0, vreinterpret_u32_s8(vout0x01234567), 0); c0 += 4;
182 vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 4);
183 }
184 if (nc & 2) {
185 vst1_lane_u16((void*) c0, vreinterpret_u16_s8(vout0x01234567), 0); c0 += 2;
186 vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 2);
187 }
188 if (nc & 1) {
189 vst1_lane_s8(c0, vout0x01234567, 0);
190 }
191
192 nc = 0;
193 }
194 } while (nc != 0);
195 }
196