1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-igemm/c8-neon-mull.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/igemm.h>
15 #include <xnnpack/intrinsics-polyfill.h>
16 #include <xnnpack/math.h>
17
18
xnn_qc8_igemm_minmax_fp32_ukernel_1x8c8__neonv8_mlal(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_qc8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])19 void xnn_qc8_igemm_minmax_fp32_ukernel_1x8c8__neonv8_mlal(
20 size_t mr,
21 size_t nc,
22 size_t kc,
23 size_t ks,
24 const int8_t** restrict a,
25 const void* restrict w,
26 int8_t* restrict c,
27 size_t cm_stride,
28 size_t cn_stride,
29 size_t a_offset,
30 const int8_t* zero,
31 const union xnn_qc8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
32 {
33 assert(mr != 0);
34 assert(mr <= 1);
35 assert(nc != 0);
36 assert(kc != 0);
37 assert(ks != 0);
38 assert(ks % (1 * sizeof(void*)) == 0);
39 assert(a_offset % sizeof(int8_t) == 0);
40 assert(a != NULL);
41 assert(w != NULL);
42 assert(c != NULL);
43
44 kc = round_up_po2(kc, 8 * sizeof(int8_t));
45 int8_t* c0 = c;
46
47 do {
48 int32x4_t vacc0x0 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
49 int32x4_t vacc0x1 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
50 int32x4_t vacc0x2 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
51 int32x4_t vacc0x3 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
52 int32x4_t vacc0x4 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
53 int32x4_t vacc0x5 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
54 int32x4_t vacc0x6 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
55 int32x4_t vacc0x7 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
56
57 size_t p = ks;
58 do {
59 const int8_t* restrict a0 = a[0];
60 if XNN_UNPREDICTABLE(a0 != zero) {
61 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
62 }
63 a += 1;
64
65 size_t k = kc;
66 // 2x partial unrolled loop to load 16 bytes at a time using MLA.
67 while (k >= 16 * sizeof(int8_t)) {
68 const int8x8_t va0x0 = vld1_s8(a0); a0 += 8;
69 const int8x8_t va0x1 = vld1_s8(a0); a0 += 8;
70
71 const int8x8_t vb0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
72 const int8x8_t vb1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
73 const int8x8_t vb2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
74 const int8x8_t vb3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
75 const int8x8_t vb4x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
76 const int8x8_t vb5x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
77 const int8x8_t vb6x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
78 const int8x8_t vb7x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
79
80 const int8x8_t vb0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
81 int16x8_t vprod0x0 = vmull_s8(vb0x0, va0x0);
82 vprod0x0 = vmlal_s8(vprod0x0, vb0x1, va0x1);
83 vacc0x0 = vpadalq_s16(vacc0x0, vprod0x0);
84 const int8x8_t vb1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
85 int16x8_t vprod0x1 = vmull_s8(vb1x0, va0x0);
86 vprod0x1 = vmlal_s8(vprod0x1, vb1x1, va0x1);
87 vacc0x1 = vpadalq_s16(vacc0x1, vprod0x1);
88 const int8x8_t vb2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
89 int16x8_t vprod0x2 = vmull_s8(vb2x0, va0x0);
90 vprod0x2 = vmlal_s8(vprod0x2, vb2x1, va0x1);
91 vacc0x2 = vpadalq_s16(vacc0x2, vprod0x2);
92 const int8x8_t vb3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
93 int16x8_t vprod0x3 = vmull_s8(vb3x0, va0x0);
94 vprod0x3 = vmlal_s8(vprod0x3, vb3x1, va0x1);
95 vacc0x3 = vpadalq_s16(vacc0x3, vprod0x3);
96 const int8x8_t vb4x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
97 int16x8_t vprod0x4 = vmull_s8(vb4x0, va0x0);
98 vprod0x4 = vmlal_s8(vprod0x4, vb4x1, va0x1);
99 vacc0x4 = vpadalq_s16(vacc0x4, vprod0x4);
100 const int8x8_t vb5x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
101 int16x8_t vprod0x5 = vmull_s8(vb5x0, va0x0);
102 vprod0x5 = vmlal_s8(vprod0x5, vb5x1, va0x1);
103 vacc0x5 = vpadalq_s16(vacc0x5, vprod0x5);
104 const int8x8_t vb6x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
105 int16x8_t vprod0x6 = vmull_s8(vb6x0, va0x0);
106 vprod0x6 = vmlal_s8(vprod0x6, vb6x1, va0x1);
107 vacc0x6 = vpadalq_s16(vacc0x6, vprod0x6);
108 const int8x8_t vb7x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
109 int16x8_t vprod0x7 = vmull_s8(vb7x0, va0x0);
110 vprod0x7 = vmlal_s8(vprod0x7, vb7x1, va0x1);
111 vacc0x7 = vpadalq_s16(vacc0x7, vprod0x7);
112
113 k -= 16 * sizeof(int8_t);
114 }
115
116 // Handle 8 bytes at a time using MUL.
117 if (k != 0) {
118 const int8x8_t va0 = vld1_s8(a0); a0 += 8;
119
120 const int8x8_t vb0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
121 const int16x8_t vprod0x0 = vmull_s8(vb0, va0);
122 vacc0x0 = vpadalq_s16(vacc0x0, vprod0x0);
123 const int8x8_t vb1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
124 const int16x8_t vprod0x1 = vmull_s8(vb1, va0);
125 vacc0x1 = vpadalq_s16(vacc0x1, vprod0x1);
126 const int8x8_t vb2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
127 const int16x8_t vprod0x2 = vmull_s8(vb2, va0);
128 vacc0x2 = vpadalq_s16(vacc0x2, vprod0x2);
129 const int8x8_t vb3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
130 const int16x8_t vprod0x3 = vmull_s8(vb3, va0);
131 vacc0x3 = vpadalq_s16(vacc0x3, vprod0x3);
132 const int8x8_t vb4 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
133 const int16x8_t vprod0x4 = vmull_s8(vb4, va0);
134 vacc0x4 = vpadalq_s16(vacc0x4, vprod0x4);
135 const int8x8_t vb5 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
136 const int16x8_t vprod0x5 = vmull_s8(vb5, va0);
137 vacc0x5 = vpadalq_s16(vacc0x5, vprod0x5);
138 const int8x8_t vb6 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
139 const int16x8_t vprod0x6 = vmull_s8(vb6, va0);
140 vacc0x6 = vpadalq_s16(vacc0x6, vprod0x6);
141 const int8x8_t vb7 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
142 const int16x8_t vprod0x7 = vmull_s8(vb7, va0);
143 vacc0x7 = vpadalq_s16(vacc0x7, vprod0x7);
144
145 k -= 8 * sizeof(int8_t);
146 }
147
148 p -= 1 * sizeof(void*);
149 } while (p != 0);
150
151 #if XNN_ARCH_ARM64
152 const int32x4_t vsum0x01 = vpaddq_s32(vacc0x0, vacc0x1);
153 const int32x4_t vsum0x23 = vpaddq_s32(vacc0x2, vacc0x3);
154 const int32x4_t vsum0x45 = vpaddq_s32(vacc0x4, vacc0x5);
155 const int32x4_t vsum0x67 = vpaddq_s32(vacc0x6, vacc0x7);
156
157 int32x4_t vacc0x0123 = vpaddq_s32(vsum0x01, vsum0x23);
158 int32x4_t vacc0x4567 = vpaddq_s32(vsum0x45, vsum0x67);
159 #else
160 const int32x2_t vpsum0x0 = vadd_s32(vget_low_s32(vacc0x0), vget_high_s32(vacc0x0));
161 const int32x2_t vpsum0x1 = vadd_s32(vget_low_s32(vacc0x1), vget_high_s32(vacc0x1));
162 const int32x2_t vpsum0x2 = vadd_s32(vget_low_s32(vacc0x2), vget_high_s32(vacc0x2));
163 const int32x2_t vpsum0x3 = vadd_s32(vget_low_s32(vacc0x3), vget_high_s32(vacc0x3));
164 const int32x2_t vsum0x01 = vpadd_s32(vpsum0x0, vpsum0x1);
165 const int32x2_t vsum0x23 = vpadd_s32(vpsum0x2, vpsum0x3);
166 int32x4_t vacc0x0123 = vcombine_s32(vsum0x01, vsum0x23 );
167 const int32x2_t vpsum0x4 = vadd_s32(vget_low_s32(vacc0x4), vget_high_s32(vacc0x4));
168 const int32x2_t vpsum0x5 = vadd_s32(vget_low_s32(vacc0x5), vget_high_s32(vacc0x5));
169 const int32x2_t vpsum0x6 = vadd_s32(vget_low_s32(vacc0x6), vget_high_s32(vacc0x6));
170 const int32x2_t vpsum0x7 = vadd_s32(vget_low_s32(vacc0x7), vget_high_s32(vacc0x7));
171 const int32x2_t vsum0x45 = vpadd_s32(vpsum0x4, vpsum0x5);
172 const int32x2_t vsum0x67 = vpadd_s32(vpsum0x6, vpsum0x7);
173 int32x4_t vacc0x4567 = vcombine_s32(vsum0x45, vsum0x67 );
174 #endif
175
176 float32x4_t vfpacc0x0123 = vcvtq_f32_s32(vacc0x0123);
177 float32x4_t vfpacc0x4567 = vcvtq_f32_s32(vacc0x4567);
178
179 const float32x4_t vscale0123 = vld1q_f32((const float*) w); w = (const void*) ((const float*) w + 4);
180 vfpacc0x0123 = vmulq_f32(vfpacc0x0123, vscale0123);
181 const float32x4_t vscale4567 = vld1q_f32((const float*) w); w = (const void*) ((const float*) w + 4);
182 vfpacc0x4567 = vmulq_f32(vfpacc0x4567, vscale4567);
183
184 vacc0x0123 = vcvtnq_s32_f32(vfpacc0x0123);
185 vacc0x4567 = vcvtnq_s32_f32(vfpacc0x4567);
186
187 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->fp32_neonv8.output_zero_point);
188 #if XNN_ARCH_ARM64
189 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
190
191 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
192
193 int8x8_t vout0x01234567 = vqmovn_s16(vacc0x01234567);
194 #else
195 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
196
197 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
198
199 int8x8_t vout0x01234567 = vqmovn_s16(vacc0x01234567);
200 #endif
201
202 const int8x8_t voutput_min = vld1_dup_s8(¶ms->fp32_neonv8.output_min);
203 vout0x01234567 = vmax_s8(vout0x01234567, voutput_min);
204
205 const int8x8_t voutput_max = vld1_dup_s8(¶ms->fp32_neonv8.output_max);
206 vout0x01234567 = vmin_s8(vout0x01234567, voutput_max);
207
208 if (nc >= 8) {
209 vst1_s8(c0 + 0, vout0x01234567);
210
211 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
212
213 a = (const int8_t**restrict) ((uintptr_t) a - ks);
214
215 nc -= 8;
216 } else {
217 if (nc & 4) {
218 vst1_lane_u32((void*) c0, vreinterpret_u32_s8(vout0x01234567), 0); c0 += 4;
219 vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 4);
220 }
221 if (nc & 2) {
222 vst1_lane_u16((void*) c0, vreinterpret_u16_s8(vout0x01234567), 0); c0 += 2;
223 vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 2);
224 }
225 if (nc & 1) {
226 vst1_lane_s8(c0, vout0x01234567, 0);
227 }
228
229 nc = 0;
230 }
231 } while (nc != 0);
232 }
233