1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-igemm/neon-mlal-lane.c.in
3 // Generator: tools/xngen
4 //
5 // Copyright 2020 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/common.h>
15 #include <xnnpack/igemm.h>
16
17
xnn_qc8_igemm_minmax_fp32_ukernel_1x8__neon_mlal_lane_prfm(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)])18 void xnn_qc8_igemm_minmax_fp32_ukernel_1x8__neon_mlal_lane_prfm(
19 size_t mr,
20 size_t nc,
21 size_t kc,
22 size_t ks,
23 const int8_t** restrict a,
24 const void* restrict w,
25 int8_t* restrict c,
26 size_t cm_stride,
27 size_t cn_stride,
28 size_t a_offset,
29 const int8_t* zero,
30 const union xnn_qc8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
31 {
32 assert(mr != 0);
33 assert(mr <= 1);
34 assert(nc != 0);
35 assert(kc != 0);
36 assert(ks != 0);
37 assert(ks % (1 * sizeof(void*)) == 0);
38 assert(a_offset % sizeof(int8_t) == 0);
39 assert(a != NULL);
40 assert(w != NULL);
41 assert(c != NULL);
42
43 int8_t* c0 = c;
44
45 do {
46 int32x4_t vacc0x0123 = vld1q_s32(w); w = (const void*) ((const int32_t*) w + 4);
47 int32x4_t vacc0x4567 = vld1q_s32(w); w = (const void*) ((const int32_t*) w + 4);
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 while (k >= 8 * sizeof(int8_t)) {
59 const int8x8_t va0 = vld1_s8(a0); a0 += 8;
60 const int16x8_t vxa0 = vmovl_s8(va0);
61
62 const int8x8_t vb01234567c0 = vld1_s8(w); w = (const void*) ((const int8_t*) w + 8);
63 const int16x8_t vxb01234567c0 = vmovl_s8(vb01234567c0);
64
65 vacc0x0123 = vmlal_lane_s16(vacc0x0123, vget_low_s16(vxb01234567c0), vget_low_s16(vxa0), 0);
66 vacc0x4567 = vmlal_lane_s16(vacc0x4567, vget_high_s16(vxb01234567c0), vget_low_s16(vxa0), 0);
67 const int8x8_t vb01234567c1 = vld1_s8(w); w = (const void*) ((const int8_t*) w + 8);
68 const int16x8_t vxb01234567c1 = vmovl_s8(vb01234567c1);
69
70 vacc0x0123 = vmlal_lane_s16(vacc0x0123, vget_low_s16(vxb01234567c1), vget_low_s16(vxa0), 1);
71 vacc0x4567 = vmlal_lane_s16(vacc0x4567, vget_high_s16(vxb01234567c1), vget_low_s16(vxa0), 1);
72 const int8x8_t vb01234567c2 = vld1_s8(w); w = (const void*) ((const int8_t*) w + 8);
73 const int16x8_t vxb01234567c2 = vmovl_s8(vb01234567c2);
74
75 vacc0x0123 = vmlal_lane_s16(vacc0x0123, vget_low_s16(vxb01234567c2), vget_low_s16(vxa0), 2);
76 vacc0x4567 = vmlal_lane_s16(vacc0x4567, vget_high_s16(vxb01234567c2), vget_low_s16(vxa0), 2);
77 const int8x8_t vb01234567c3 = vld1_s8(w); w = (const void*) ((const int8_t*) w + 8);
78 const int16x8_t vxb01234567c3 = vmovl_s8(vb01234567c3);
79
80 vacc0x0123 = vmlal_lane_s16(vacc0x0123, vget_low_s16(vxb01234567c3), vget_low_s16(vxa0), 3);
81 vacc0x4567 = vmlal_lane_s16(vacc0x4567, vget_high_s16(vxb01234567c3), vget_low_s16(vxa0), 3);
82
83 __builtin_prefetch((const int8_t*) w + 448);
84
85 const int8x8_t vb01234567c4 = vld1_s8(w); w = (const void*) ((const int8_t*) w + 8);
86 const int16x8_t vxb01234567c4 = vmovl_s8(vb01234567c4);
87
88 vacc0x0123 = vmlal_lane_s16(vacc0x0123, vget_low_s16(vxb01234567c4), vget_high_s16(vxa0), 0);
89 vacc0x4567 = vmlal_lane_s16(vacc0x4567, vget_high_s16(vxb01234567c4), vget_high_s16(vxa0), 0);
90 const int8x8_t vb01234567c5 = vld1_s8(w); w = (const void*) ((const int8_t*) w + 8);
91 const int16x8_t vxb01234567c5 = vmovl_s8(vb01234567c5);
92
93 vacc0x0123 = vmlal_lane_s16(vacc0x0123, vget_low_s16(vxb01234567c5), vget_high_s16(vxa0), 1);
94 vacc0x4567 = vmlal_lane_s16(vacc0x4567, vget_high_s16(vxb01234567c5), vget_high_s16(vxa0), 1);
95 const int8x8_t vb01234567c6 = vld1_s8(w); w = (const void*) ((const int8_t*) w + 8);
96 const int16x8_t vxb01234567c6 = vmovl_s8(vb01234567c6);
97
98 vacc0x0123 = vmlal_lane_s16(vacc0x0123, vget_low_s16(vxb01234567c6), vget_high_s16(vxa0), 2);
99 vacc0x4567 = vmlal_lane_s16(vacc0x4567, vget_high_s16(vxb01234567c6), vget_high_s16(vxa0), 2);
100 const int8x8_t vb01234567c7 = vld1_s8(w); w = (const void*) ((const int8_t*) w + 8);
101 const int16x8_t vxb01234567c7 = vmovl_s8(vb01234567c7);
102
103 vacc0x0123 = vmlal_lane_s16(vacc0x0123, vget_low_s16(vxb01234567c7), vget_high_s16(vxa0), 3);
104 vacc0x4567 = vmlal_lane_s16(vacc0x4567, vget_high_s16(vxb01234567c7), vget_high_s16(vxa0), 3);
105
106 k -= 8 * sizeof(int8_t);
107 }
108 if XNN_UNLIKELY(k != 0) {
109 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
110 const int16x8_t vxa0 = vmovl_s8(va0);
111
112 const int8x8_t vb01234567c0 = vld1_s8(w); w = (const void*) ((const int8_t*) w + 8);
113 const int16x8_t vxb01234567c0 = vmovl_s8(vb01234567c0);
114
115 vacc0x0123 = vmlal_lane_s16(vacc0x0123, vget_low_s16(vxb01234567c0), vget_low_s16(vxa0), 0);
116 vacc0x4567 = vmlal_lane_s16(vacc0x4567, vget_high_s16(vxb01234567c0), vget_low_s16(vxa0), 0);
117
118 if (k >= 2 * sizeof(int8_t)) {
119 const int8x8_t vb01234567c1 = vld1_s8(w); w = (const void*) ((const int8_t*) w + 8);
120 const int16x8_t vxb01234567c1 = vmovl_s8(vb01234567c1);
121
122 vacc0x0123 = vmlal_lane_s16(vacc0x0123, vget_low_s16(vxb01234567c1), vget_low_s16(vxa0), 1);
123 vacc0x4567 = vmlal_lane_s16(vacc0x4567, vget_high_s16(vxb01234567c1), vget_low_s16(vxa0), 1);
124
125 if (k > 2 * sizeof(int8_t)) {
126 const int8x8_t vb01234567c2 = vld1_s8(w); w = (const void*) ((const int8_t*) w + 8);
127 const int16x8_t vxb01234567c2 = vmovl_s8(vb01234567c2);
128
129 vacc0x0123 = vmlal_lane_s16(vacc0x0123, vget_low_s16(vxb01234567c2), vget_low_s16(vxa0), 2);
130 vacc0x4567 = vmlal_lane_s16(vacc0x4567, vget_high_s16(vxb01234567c2), vget_low_s16(vxa0), 2);
131
132 if (k >= 4 * sizeof(int8_t)) {
133 const int8x8_t vb01234567c3 = vld1_s8(w); w = (const void*) ((const int8_t*) w + 8);
134 const int16x8_t vxb01234567c3 = vmovl_s8(vb01234567c3);
135
136 vacc0x0123 = vmlal_lane_s16(vacc0x0123, vget_low_s16(vxb01234567c3), vget_low_s16(vxa0), 3);
137 vacc0x4567 = vmlal_lane_s16(vacc0x4567, vget_high_s16(vxb01234567c3), vget_low_s16(vxa0), 3);
138
139 if (k > 4 * sizeof(int8_t)) {
140 const int8x8_t vb01234567c4 = vld1_s8(w); w = (const void*) ((const int8_t*) w + 8);
141 const int16x8_t vxb01234567c4 = vmovl_s8(vb01234567c4);
142
143 vacc0x0123 = vmlal_lane_s16(vacc0x0123, vget_low_s16(vxb01234567c4), vget_high_s16(vxa0), 0);
144 vacc0x4567 = vmlal_lane_s16(vacc0x4567, vget_high_s16(vxb01234567c4), vget_high_s16(vxa0), 0);
145
146 if (k >= 6 * sizeof(int8_t)) {
147 const int8x8_t vb01234567c5 = vld1_s8(w); w = (const void*) ((const int8_t*) w + 8);
148 const int16x8_t vxb01234567c5 = vmovl_s8(vb01234567c5);
149
150 vacc0x0123 = vmlal_lane_s16(vacc0x0123, vget_low_s16(vxb01234567c5), vget_high_s16(vxa0), 1);
151 vacc0x4567 = vmlal_lane_s16(vacc0x4567, vget_high_s16(vxb01234567c5), vget_high_s16(vxa0), 1);
152
153 if (k > 6 * sizeof(int8_t)) {
154 const int8x8_t vb01234567c6 = vld1_s8(w); w = (const void*) ((const int8_t*) w + 8);
155 const int16x8_t vxb01234567c6 = vmovl_s8(vb01234567c6);
156
157 vacc0x0123 = vmlal_lane_s16(vacc0x0123, vget_low_s16(vxb01234567c6), vget_high_s16(vxa0), 2);
158 vacc0x4567 = vmlal_lane_s16(vacc0x4567, vget_high_s16(vxb01234567c6), vget_high_s16(vxa0), 2);
159 }
160 }
161 }
162 }
163 }
164 }
165 }
166 p -= 1 * sizeof(void*);
167 } while (p != 0);
168
169 // Post-accumulation work
170 float32x4_t vfpacc0x0123 = vcvtq_f32_s32(vacc0x0123);
171 float32x4_t vfpacc0x4567 = vcvtq_f32_s32(vacc0x4567);
172
173 const float32x4_t vscale0123 = vld1q_f32((const float*) w); w = (const void*) ((const float*) w + 4);
174 vfpacc0x0123 = vmulq_f32(vfpacc0x0123, vscale0123);
175 const float32x4_t vscale4567 = vld1q_f32((const float*) w); w = (const void*) ((const float*) w + 4);
176 vfpacc0x4567 = vmulq_f32(vfpacc0x4567, vscale4567);
177
178 const float32x4_t vmagic_bias = vld1q_dup_f32(¶ms->fp32_neon.magic_bias);
179 vacc0x0123 = vreinterpretq_s32_f32(vaddq_f32(vfpacc0x0123, vmagic_bias));
180 vacc0x4567 = vreinterpretq_s32_f32(vaddq_f32(vfpacc0x4567, vmagic_bias));
181
182 const int32x4_t vmagic_bias_less_output_zero_point = vld1q_dup_s32(¶ms->fp32_neon.magic_bias_less_output_zero_point);
183 vacc0x0123 = vqsubq_s32(vacc0x0123, vmagic_bias_less_output_zero_point);
184 vacc0x4567 = vqsubq_s32(vacc0x4567, vmagic_bias_less_output_zero_point);
185
186 #if XNN_ARCH_ARM64
187 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
188
189
190 int8x8_t vout0x01234567 = vqmovn_s16(vacc0x01234567);
191 #else
192 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
193
194
195 int8x8_t vout0x01234567 = vqmovn_s16(vacc0x01234567);
196 #endif
197
198 const int8x8_t voutput_min = vld1_dup_s8(¶ms->fp32_neon.output_min);
199 vout0x01234567 = vmax_s8(vout0x01234567, voutput_min);
200
201 const int8x8_t voutput_max = vld1_dup_s8(¶ms->fp32_neon.output_max);
202 vout0x01234567 = vmin_s8(vout0x01234567, voutput_max);
203
204 if (nc >= 8) {
205 vst1_s8(c0 + 0, vout0x01234567);
206
207 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
208
209 a = (const int8_t**restrict) ((uintptr_t) a - ks);
210
211 nc -= 8;
212 } else {
213 if (nc & 4) {
214 vst1_lane_u32((void*) c0, vreinterpret_u32_s8(vout0x01234567), 0); c0 += 4;
215 vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 4);
216 }
217 if (nc & 2) {
218 vst1_lane_u16((void*) c0, vreinterpret_u16_s8(vout0x01234567), 0); c0 += 2;
219 vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 2);
220 }
221 if (nc & 1) {
222 vst1_lane_s8(c0, vout0x01234567, 0);
223 }
224
225 nc = 0;
226 }
227 } while (nc != 0);
228 }
229