1 // Auto-generated file. Do not edit!
2 // Template: src/f16-raddstoreexpminusmax/neonfp16arith-rr2-p2.c.in
3 // Generator: tools/xngen
4 //
5 // Copyright 2022 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/raddstoreexpminusmax.h>
16
17
xnn_f16_raddstoreexpminusmax_ukernel__neonfp16arith_rr2_p2_x80_acc2(size_t batch,const void * input,const void * max,void * output,void * sum,const union xnn_f16_expminus_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_f16_raddstoreexpminusmax_ukernel__neonfp16arith_rr2_p2_x80_acc2(
19 size_t batch,
20 const void* input,
21 const void* max,
22 void* output,
23 void* sum,
24 const union xnn_f16_expminus_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
25 {
26 assert(batch % sizeof(__fp16) == 0);
27
28 const float16x8_t vi_max = vld1q_dup_f16(max);
29 const float16x8_t vlog2e = vreinterpretq_f16_u16(vld1q_dup_u16(¶ms->neonfp16arith_rr2_p2.log2e));
30 const float16x8_t vmagic_bias = vreinterpretq_f16_u16(vld1q_dup_u16(¶ms->neonfp16arith_rr2_p2.magic_bias));
31 const float16x8_t vminus_ln2_hi = vreinterpretq_f16_u16(vld1q_dup_u16(¶ms->neonfp16arith_rr2_p2.minus_ln2_hi));
32 const float16x8_t vminus_ln2_lo = vreinterpretq_f16_u16(vld1q_dup_u16(¶ms->neonfp16arith_rr2_p2.minus_ln2_lo));
33 const float16x8_t vc2 = vreinterpretq_f16_u16(vld1q_dup_u16(¶ms->neonfp16arith_rr2_p2.c2));
34 const float16x8_t vc1 = vreinterpretq_f16_u16(vld1q_dup_u16(¶ms->neonfp16arith_rr2_p2.c1));
35 const float16x8_t vdenorm_cutoff = vreinterpretq_f16_u16(vld1q_dup_u16(¶ms->neonfp16arith_rr2_p2.denorm_cutoff));
36
37 const __fp16* i = (const __fp16*) input;
38 __fp16* o = (__fp16*) output;
39 float16x8_t vacc0 = vmovq_n_f16(0.0f);
40 float16x8_t vacc1 = vmovq_n_f16(0.0f);
41 for (; batch >= 80 * sizeof(__fp16); batch -= 80 * sizeof(__fp16)) {
42 const float16x8_t vi0 = vld1q_f16(i); i += 8;
43 const float16x8_t vi1 = vld1q_f16(i); i += 8;
44 const float16x8_t vi2 = vld1q_f16(i); i += 8;
45 const float16x8_t vi3 = vld1q_f16(i); i += 8;
46 const float16x8_t vi4 = vld1q_f16(i); i += 8;
47 const float16x8_t vi5 = vld1q_f16(i); i += 8;
48 const float16x8_t vi6 = vld1q_f16(i); i += 8;
49 const float16x8_t vi7 = vld1q_f16(i); i += 8;
50 const float16x8_t vi8 = vld1q_f16(i); i += 8;
51 const float16x8_t vi9 = vld1q_f16(i); i += 8;
52
53 const float16x8_t vx0 = vsubq_f16(vi0, vi_max);
54 const float16x8_t vx1 = vsubq_f16(vi1, vi_max);
55 const float16x8_t vx2 = vsubq_f16(vi2, vi_max);
56 const float16x8_t vx3 = vsubq_f16(vi3, vi_max);
57 const float16x8_t vx4 = vsubq_f16(vi4, vi_max);
58 const float16x8_t vx5 = vsubq_f16(vi5, vi_max);
59 const float16x8_t vx6 = vsubq_f16(vi6, vi_max);
60 const float16x8_t vx7 = vsubq_f16(vi7, vi_max);
61 const float16x8_t vx8 = vsubq_f16(vi8, vi_max);
62 const float16x8_t vx9 = vsubq_f16(vi9, vi_max);
63
64 float16x8_t vn0 = vfmaq_f16(vmagic_bias, vx0, vlog2e);
65 float16x8_t vn1 = vfmaq_f16(vmagic_bias, vx1, vlog2e);
66 float16x8_t vn2 = vfmaq_f16(vmagic_bias, vx2, vlog2e);
67 float16x8_t vn3 = vfmaq_f16(vmagic_bias, vx3, vlog2e);
68 float16x8_t vn4 = vfmaq_f16(vmagic_bias, vx4, vlog2e);
69 float16x8_t vn5 = vfmaq_f16(vmagic_bias, vx5, vlog2e);
70 float16x8_t vn6 = vfmaq_f16(vmagic_bias, vx6, vlog2e);
71 float16x8_t vn7 = vfmaq_f16(vmagic_bias, vx7, vlog2e);
72 float16x8_t vn8 = vfmaq_f16(vmagic_bias, vx8, vlog2e);
73 float16x8_t vn9 = vfmaq_f16(vmagic_bias, vx9, vlog2e);
74
75 const float16x8_t vs0 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn0), 10));
76 const float16x8_t vs1 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn1), 10));
77 const float16x8_t vs2 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn2), 10));
78 const float16x8_t vs3 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn3), 10));
79 const float16x8_t vs4 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn4), 10));
80 const float16x8_t vs5 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn5), 10));
81 const float16x8_t vs6 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn6), 10));
82 const float16x8_t vs7 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn7), 10));
83 const float16x8_t vs8 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn8), 10));
84 const float16x8_t vs9 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn9), 10));
85
86 vn0 = vsubq_f16(vn0, vmagic_bias);
87 vn1 = vsubq_f16(vn1, vmagic_bias);
88 vn2 = vsubq_f16(vn2, vmagic_bias);
89 vn3 = vsubq_f16(vn3, vmagic_bias);
90 vn4 = vsubq_f16(vn4, vmagic_bias);
91 vn5 = vsubq_f16(vn5, vmagic_bias);
92 vn6 = vsubq_f16(vn6, vmagic_bias);
93 vn7 = vsubq_f16(vn7, vmagic_bias);
94 vn8 = vsubq_f16(vn8, vmagic_bias);
95 vn9 = vsubq_f16(vn9, vmagic_bias);
96
97 float16x8_t vt0 = vfmaq_f16(vx0, vn0, vminus_ln2_hi);
98 float16x8_t vt1 = vfmaq_f16(vx1, vn1, vminus_ln2_hi);
99 float16x8_t vt2 = vfmaq_f16(vx2, vn2, vminus_ln2_hi);
100 float16x8_t vt3 = vfmaq_f16(vx3, vn3, vminus_ln2_hi);
101 float16x8_t vt4 = vfmaq_f16(vx4, vn4, vminus_ln2_hi);
102 float16x8_t vt5 = vfmaq_f16(vx5, vn5, vminus_ln2_hi);
103 float16x8_t vt6 = vfmaq_f16(vx6, vn6, vminus_ln2_hi);
104 float16x8_t vt7 = vfmaq_f16(vx7, vn7, vminus_ln2_hi);
105 float16x8_t vt8 = vfmaq_f16(vx8, vn8, vminus_ln2_hi);
106 float16x8_t vt9 = vfmaq_f16(vx9, vn9, vminus_ln2_hi);
107
108 vt0 = vfmaq_f16(vt0, vn0, vminus_ln2_lo);
109 vt1 = vfmaq_f16(vt1, vn1, vminus_ln2_lo);
110 vt2 = vfmaq_f16(vt2, vn2, vminus_ln2_lo);
111 vt3 = vfmaq_f16(vt3, vn3, vminus_ln2_lo);
112 vt4 = vfmaq_f16(vt4, vn4, vminus_ln2_lo);
113 vt5 = vfmaq_f16(vt5, vn5, vminus_ln2_lo);
114 vt6 = vfmaq_f16(vt6, vn6, vminus_ln2_lo);
115 vt7 = vfmaq_f16(vt7, vn7, vminus_ln2_lo);
116 vt8 = vfmaq_f16(vt8, vn8, vminus_ln2_lo);
117 vt9 = vfmaq_f16(vt9, vn9, vminus_ln2_lo);
118
119 const float16x8_t vp0 = vfmaq_f16(vc1, vc2, vt0);
120 const float16x8_t vp1 = vfmaq_f16(vc1, vc2, vt1);
121 const float16x8_t vp2 = vfmaq_f16(vc1, vc2, vt2);
122 const float16x8_t vp3 = vfmaq_f16(vc1, vc2, vt3);
123 const float16x8_t vp4 = vfmaq_f16(vc1, vc2, vt4);
124 const float16x8_t vp5 = vfmaq_f16(vc1, vc2, vt5);
125 const float16x8_t vp6 = vfmaq_f16(vc1, vc2, vt6);
126 const float16x8_t vp7 = vfmaq_f16(vc1, vc2, vt7);
127 const float16x8_t vp8 = vfmaq_f16(vc1, vc2, vt8);
128 const float16x8_t vp9 = vfmaq_f16(vc1, vc2, vt9);
129
130 vt0 = vmulq_f16(vt0, vs0);
131 vt1 = vmulq_f16(vt1, vs1);
132 vt2 = vmulq_f16(vt2, vs2);
133 vt3 = vmulq_f16(vt3, vs3);
134 vt4 = vmulq_f16(vt4, vs4);
135 vt5 = vmulq_f16(vt5, vs5);
136 vt6 = vmulq_f16(vt6, vs6);
137 vt7 = vmulq_f16(vt7, vs7);
138 vt8 = vmulq_f16(vt8, vs8);
139 vt9 = vmulq_f16(vt9, vs9);
140
141 float16x8_t vf0 = vfmaq_f16(vs0, vp0, vt0);
142 const uint16x8_t vm0 = vcltq_f16(vx0, vdenorm_cutoff);
143 float16x8_t vf1 = vfmaq_f16(vs1, vp1, vt1);
144 const uint16x8_t vm1 = vcltq_f16(vx1, vdenorm_cutoff);
145 float16x8_t vf2 = vfmaq_f16(vs2, vp2, vt2);
146 const uint16x8_t vm2 = vcltq_f16(vx2, vdenorm_cutoff);
147 float16x8_t vf3 = vfmaq_f16(vs3, vp3, vt3);
148 const uint16x8_t vm3 = vcltq_f16(vx3, vdenorm_cutoff);
149 float16x8_t vf4 = vfmaq_f16(vs4, vp4, vt4);
150 const uint16x8_t vm4 = vcltq_f16(vx4, vdenorm_cutoff);
151 float16x8_t vf5 = vfmaq_f16(vs5, vp5, vt5);
152 const uint16x8_t vm5 = vcltq_f16(vx5, vdenorm_cutoff);
153 float16x8_t vf6 = vfmaq_f16(vs6, vp6, vt6);
154 const uint16x8_t vm6 = vcltq_f16(vx6, vdenorm_cutoff);
155 float16x8_t vf7 = vfmaq_f16(vs7, vp7, vt7);
156 const uint16x8_t vm7 = vcltq_f16(vx7, vdenorm_cutoff);
157 float16x8_t vf8 = vfmaq_f16(vs8, vp8, vt8);
158 const uint16x8_t vm8 = vcltq_f16(vx8, vdenorm_cutoff);
159 float16x8_t vf9 = vfmaq_f16(vs9, vp9, vt9);
160 const uint16x8_t vm9 = vcltq_f16(vx9, vdenorm_cutoff);
161
162 vf0 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf0), vm0));
163 vf1 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf1), vm1));
164 vf2 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf2), vm2));
165 vf3 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf3), vm3));
166 vf4 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf4), vm4));
167 vf5 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf5), vm5));
168 vf6 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf6), vm6));
169 vf7 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf7), vm7));
170 vf8 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf8), vm8));
171 vf9 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf9), vm9));
172
173 vst1q_f16(o, vf0); o += 8;
174 vst1q_f16(o, vf1); o += 8;
175 vst1q_f16(o, vf2); o += 8;
176 vst1q_f16(o, vf3); o += 8;
177 vst1q_f16(o, vf4); o += 8;
178 vst1q_f16(o, vf5); o += 8;
179 vst1q_f16(o, vf6); o += 8;
180 vst1q_f16(o, vf7); o += 8;
181 vst1q_f16(o, vf8); o += 8;
182 vst1q_f16(o, vf9); o += 8;
183
184 vacc0 = vaddq_f16(vacc0, vf0);
185 vacc1 = vaddq_f16(vacc1, vf1);
186 vacc0 = vaddq_f16(vacc0, vf2);
187 vacc1 = vaddq_f16(vacc1, vf3);
188 vacc0 = vaddq_f16(vacc0, vf4);
189 vacc1 = vaddq_f16(vacc1, vf5);
190 vacc0 = vaddq_f16(vacc0, vf6);
191 vacc1 = vaddq_f16(vacc1, vf7);
192 vacc0 = vaddq_f16(vacc0, vf8);
193 vacc1 = vaddq_f16(vacc1, vf9);
194 }
195 vacc0 = vaddq_f16(vacc0, vacc1);
196
197 float16x8_t vacc = vacc0;
198 for (; batch >= 8 * sizeof(__fp16); batch -= 8 * sizeof(__fp16)) {
199 const float16x8_t vi = vld1q_f16(i); i += 8;
200
201 const float16x8_t vx = vsubq_f16(vi, vi_max);
202
203 float16x8_t vn = vfmaq_f16(vmagic_bias, vx, vlog2e);
204 const float16x8_t vs = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn), 10));
205 vn = vsubq_f16(vn, vmagic_bias);
206
207 float16x8_t vt = vfmaq_f16(vx, vn, vminus_ln2_hi);
208 vt = vfmaq_f16(vt, vn, vminus_ln2_lo);
209
210 const float16x8_t vp = vfmaq_f16(vc1, vc2, vt);
211 vt = vmulq_f16(vt, vs);
212
213 float16x8_t vf = vfmaq_f16(vs, vp, vt);
214 const uint16x8_t vm = vcltq_f16(vx, vdenorm_cutoff);
215 vf = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf), vm));
216
217 vst1q_f16(o, vf); o += 8;
218
219 vacc = vaddq_f16(vacc, vf);
220 }
221 float16x4_t vacc_lo = vadd_f16(vget_low_f16(vacc), vget_high_f16(vacc));
222 if (batch != 0) {
223 assert(batch >= 1 * sizeof(__fp16));
224 assert(batch <= 7 * sizeof(__fp16));
225 const float16x8_t vi = vld1q_f16(i);
226
227 const float16x8_t vx = vsubq_f16(vi, vi_max);
228
229 float16x8_t vn = vfmaq_f16(vmagic_bias, vx, vlog2e);
230 const float16x8_t vs = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn), 10));
231 vn = vsubq_f16(vn, vmagic_bias);
232
233 float16x8_t vt = vfmaq_f16(vx, vn, vminus_ln2_hi);
234 vt = vfmaq_f16(vt, vn, vminus_ln2_lo);
235
236 const float16x8_t vp = vfmaq_f16(vc1, vc2, vt);
237 vt = vmulq_f16(vt, vs);
238
239 float16x8_t vf = vfmaq_f16(vs, vp, vt);
240 const uint16x8_t vm = vcltq_f16(vx, vdenorm_cutoff);
241 vf = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf), vm));
242
243 float16x4_t vf_lo = vget_low_f16(vf);
244 if (batch & (4 * sizeof(__fp16))) {
245 vst1_f16(o, vf_lo); o += 4;
246 vacc_lo = vadd_f16(vacc_lo, vf_lo);
247 vf_lo = vget_high_f16(vf);
248 }
249 if (batch & (2 * sizeof(__fp16))) {
250 vst1_lane_u32((void*) o, vreinterpret_u32_f16(vf_lo), 0); o += 2;
251 vacc_lo = vadd_f16(vacc_lo, vreinterpret_f16_u64(vshl_n_u64(vreinterpret_u64_f16(vf_lo), 32)));
252 vf_lo = vext_f16(vf_lo, vf_lo, 2);
253 }
254 if (batch & (1 * sizeof(__fp16))) {
255 vst1_lane_f16(o, vf_lo, 0);
256 vacc_lo = vadd_f16(vacc_lo, vreinterpret_f16_u64(vshl_n_u64(vreinterpret_u64_f16(vf_lo), 48)));
257 }
258 }
259 vacc_lo = vpadd_f16(vacc_lo, vacc_lo);
260 *((__fp16*) sum) = vget_lane_f16(vacc_lo, 0) + vget_lane_f16(vacc_lo, 1);
261 }
262