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_x96(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_x96(
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 for (; batch >= 96 * sizeof(__fp16); batch -= 96 * sizeof(__fp16)) {
41 const float16x8_t vi0 = vld1q_f16(i); i += 8;
42 const float16x8_t vi1 = vld1q_f16(i); i += 8;
43 const float16x8_t vi2 = vld1q_f16(i); i += 8;
44 const float16x8_t vi3 = vld1q_f16(i); i += 8;
45 const float16x8_t vi4 = vld1q_f16(i); i += 8;
46 const float16x8_t vi5 = vld1q_f16(i); i += 8;
47 const float16x8_t vi6 = vld1q_f16(i); i += 8;
48 const float16x8_t vi7 = vld1q_f16(i); i += 8;
49 const float16x8_t vi8 = vld1q_f16(i); i += 8;
50 const float16x8_t vi9 = vld1q_f16(i); i += 8;
51 const float16x8_t viA = vld1q_f16(i); i += 8;
52 const float16x8_t viB = vld1q_f16(i); i += 8;
53
54 const float16x8_t vx0 = vsubq_f16(vi0, vi_max);
55 const float16x8_t vx1 = vsubq_f16(vi1, vi_max);
56 const float16x8_t vx2 = vsubq_f16(vi2, vi_max);
57 const float16x8_t vx3 = vsubq_f16(vi3, vi_max);
58 const float16x8_t vx4 = vsubq_f16(vi4, vi_max);
59 const float16x8_t vx5 = vsubq_f16(vi5, vi_max);
60 const float16x8_t vx6 = vsubq_f16(vi6, vi_max);
61 const float16x8_t vx7 = vsubq_f16(vi7, vi_max);
62 const float16x8_t vx8 = vsubq_f16(vi8, vi_max);
63 const float16x8_t vx9 = vsubq_f16(vi9, vi_max);
64 const float16x8_t vxA = vsubq_f16(viA, vi_max);
65 const float16x8_t vxB = vsubq_f16(viB, vi_max);
66
67 float16x8_t vn0 = vfmaq_f16(vmagic_bias, vx0, vlog2e);
68 float16x8_t vn1 = vfmaq_f16(vmagic_bias, vx1, vlog2e);
69 float16x8_t vn2 = vfmaq_f16(vmagic_bias, vx2, vlog2e);
70 float16x8_t vn3 = vfmaq_f16(vmagic_bias, vx3, vlog2e);
71 float16x8_t vn4 = vfmaq_f16(vmagic_bias, vx4, vlog2e);
72 float16x8_t vn5 = vfmaq_f16(vmagic_bias, vx5, vlog2e);
73 float16x8_t vn6 = vfmaq_f16(vmagic_bias, vx6, vlog2e);
74 float16x8_t vn7 = vfmaq_f16(vmagic_bias, vx7, vlog2e);
75 float16x8_t vn8 = vfmaq_f16(vmagic_bias, vx8, vlog2e);
76 float16x8_t vn9 = vfmaq_f16(vmagic_bias, vx9, vlog2e);
77 float16x8_t vnA = vfmaq_f16(vmagic_bias, vxA, vlog2e);
78 float16x8_t vnB = vfmaq_f16(vmagic_bias, vxB, vlog2e);
79
80 const float16x8_t vs0 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn0), 10));
81 const float16x8_t vs1 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn1), 10));
82 const float16x8_t vs2 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn2), 10));
83 const float16x8_t vs3 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn3), 10));
84 const float16x8_t vs4 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn4), 10));
85 const float16x8_t vs5 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn5), 10));
86 const float16x8_t vs6 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn6), 10));
87 const float16x8_t vs7 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn7), 10));
88 const float16x8_t vs8 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn8), 10));
89 const float16x8_t vs9 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn9), 10));
90 const float16x8_t vsA = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vnA), 10));
91 const float16x8_t vsB = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vnB), 10));
92
93 vn0 = vsubq_f16(vn0, vmagic_bias);
94 vn1 = vsubq_f16(vn1, vmagic_bias);
95 vn2 = vsubq_f16(vn2, vmagic_bias);
96 vn3 = vsubq_f16(vn3, vmagic_bias);
97 vn4 = vsubq_f16(vn4, vmagic_bias);
98 vn5 = vsubq_f16(vn5, vmagic_bias);
99 vn6 = vsubq_f16(vn6, vmagic_bias);
100 vn7 = vsubq_f16(vn7, vmagic_bias);
101 vn8 = vsubq_f16(vn8, vmagic_bias);
102 vn9 = vsubq_f16(vn9, vmagic_bias);
103 vnA = vsubq_f16(vnA, vmagic_bias);
104 vnB = vsubq_f16(vnB, vmagic_bias);
105
106 float16x8_t vt0 = vfmaq_f16(vx0, vn0, vminus_ln2_hi);
107 float16x8_t vt1 = vfmaq_f16(vx1, vn1, vminus_ln2_hi);
108 float16x8_t vt2 = vfmaq_f16(vx2, vn2, vminus_ln2_hi);
109 float16x8_t vt3 = vfmaq_f16(vx3, vn3, vminus_ln2_hi);
110 float16x8_t vt4 = vfmaq_f16(vx4, vn4, vminus_ln2_hi);
111 float16x8_t vt5 = vfmaq_f16(vx5, vn5, vminus_ln2_hi);
112 float16x8_t vt6 = vfmaq_f16(vx6, vn6, vminus_ln2_hi);
113 float16x8_t vt7 = vfmaq_f16(vx7, vn7, vminus_ln2_hi);
114 float16x8_t vt8 = vfmaq_f16(vx8, vn8, vminus_ln2_hi);
115 float16x8_t vt9 = vfmaq_f16(vx9, vn9, vminus_ln2_hi);
116 float16x8_t vtA = vfmaq_f16(vxA, vnA, vminus_ln2_hi);
117 float16x8_t vtB = vfmaq_f16(vxB, vnB, vminus_ln2_hi);
118
119 vt0 = vfmaq_f16(vt0, vn0, vminus_ln2_lo);
120 vt1 = vfmaq_f16(vt1, vn1, vminus_ln2_lo);
121 vt2 = vfmaq_f16(vt2, vn2, vminus_ln2_lo);
122 vt3 = vfmaq_f16(vt3, vn3, vminus_ln2_lo);
123 vt4 = vfmaq_f16(vt4, vn4, vminus_ln2_lo);
124 vt5 = vfmaq_f16(vt5, vn5, vminus_ln2_lo);
125 vt6 = vfmaq_f16(vt6, vn6, vminus_ln2_lo);
126 vt7 = vfmaq_f16(vt7, vn7, vminus_ln2_lo);
127 vt8 = vfmaq_f16(vt8, vn8, vminus_ln2_lo);
128 vt9 = vfmaq_f16(vt9, vn9, vminus_ln2_lo);
129 vtA = vfmaq_f16(vtA, vnA, vminus_ln2_lo);
130 vtB = vfmaq_f16(vtB, vnB, vminus_ln2_lo);
131
132 const float16x8_t vp0 = vfmaq_f16(vc1, vc2, vt0);
133 const float16x8_t vp1 = vfmaq_f16(vc1, vc2, vt1);
134 const float16x8_t vp2 = vfmaq_f16(vc1, vc2, vt2);
135 const float16x8_t vp3 = vfmaq_f16(vc1, vc2, vt3);
136 const float16x8_t vp4 = vfmaq_f16(vc1, vc2, vt4);
137 const float16x8_t vp5 = vfmaq_f16(vc1, vc2, vt5);
138 const float16x8_t vp6 = vfmaq_f16(vc1, vc2, vt6);
139 const float16x8_t vp7 = vfmaq_f16(vc1, vc2, vt7);
140 const float16x8_t vp8 = vfmaq_f16(vc1, vc2, vt8);
141 const float16x8_t vp9 = vfmaq_f16(vc1, vc2, vt9);
142 const float16x8_t vpA = vfmaq_f16(vc1, vc2, vtA);
143 const float16x8_t vpB = vfmaq_f16(vc1, vc2, vtB);
144
145 vt0 = vmulq_f16(vt0, vs0);
146 vt1 = vmulq_f16(vt1, vs1);
147 vt2 = vmulq_f16(vt2, vs2);
148 vt3 = vmulq_f16(vt3, vs3);
149 vt4 = vmulq_f16(vt4, vs4);
150 vt5 = vmulq_f16(vt5, vs5);
151 vt6 = vmulq_f16(vt6, vs6);
152 vt7 = vmulq_f16(vt7, vs7);
153 vt8 = vmulq_f16(vt8, vs8);
154 vt9 = vmulq_f16(vt9, vs9);
155 vtA = vmulq_f16(vtA, vsA);
156 vtB = vmulq_f16(vtB, vsB);
157
158 float16x8_t vf0 = vfmaq_f16(vs0, vp0, vt0);
159 const uint16x8_t vm0 = vcltq_f16(vx0, vdenorm_cutoff);
160 float16x8_t vf1 = vfmaq_f16(vs1, vp1, vt1);
161 const uint16x8_t vm1 = vcltq_f16(vx1, vdenorm_cutoff);
162 float16x8_t vf2 = vfmaq_f16(vs2, vp2, vt2);
163 const uint16x8_t vm2 = vcltq_f16(vx2, vdenorm_cutoff);
164 float16x8_t vf3 = vfmaq_f16(vs3, vp3, vt3);
165 const uint16x8_t vm3 = vcltq_f16(vx3, vdenorm_cutoff);
166 float16x8_t vf4 = vfmaq_f16(vs4, vp4, vt4);
167 const uint16x8_t vm4 = vcltq_f16(vx4, vdenorm_cutoff);
168 float16x8_t vf5 = vfmaq_f16(vs5, vp5, vt5);
169 const uint16x8_t vm5 = vcltq_f16(vx5, vdenorm_cutoff);
170 float16x8_t vf6 = vfmaq_f16(vs6, vp6, vt6);
171 const uint16x8_t vm6 = vcltq_f16(vx6, vdenorm_cutoff);
172 float16x8_t vf7 = vfmaq_f16(vs7, vp7, vt7);
173 const uint16x8_t vm7 = vcltq_f16(vx7, vdenorm_cutoff);
174 float16x8_t vf8 = vfmaq_f16(vs8, vp8, vt8);
175 const uint16x8_t vm8 = vcltq_f16(vx8, vdenorm_cutoff);
176 float16x8_t vf9 = vfmaq_f16(vs9, vp9, vt9);
177 const uint16x8_t vm9 = vcltq_f16(vx9, vdenorm_cutoff);
178 float16x8_t vfA = vfmaq_f16(vsA, vpA, vtA);
179 const uint16x8_t vmA = vcltq_f16(vxA, vdenorm_cutoff);
180 float16x8_t vfB = vfmaq_f16(vsB, vpB, vtB);
181 const uint16x8_t vmB = vcltq_f16(vxB, vdenorm_cutoff);
182
183 vf0 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf0), vm0));
184 vf1 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf1), vm1));
185 vf2 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf2), vm2));
186 vf3 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf3), vm3));
187 vf4 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf4), vm4));
188 vf5 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf5), vm5));
189 vf6 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf6), vm6));
190 vf7 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf7), vm7));
191 vf8 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf8), vm8));
192 vf9 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf9), vm9));
193 vfA = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vfA), vmA));
194 vfB = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vfB), vmB));
195
196 vst1q_f16(o, vf0); o += 8;
197 vst1q_f16(o, vf1); o += 8;
198 vst1q_f16(o, vf2); o += 8;
199 vst1q_f16(o, vf3); o += 8;
200 vst1q_f16(o, vf4); o += 8;
201 vst1q_f16(o, vf5); o += 8;
202 vst1q_f16(o, vf6); o += 8;
203 vst1q_f16(o, vf7); o += 8;
204 vst1q_f16(o, vf8); o += 8;
205 vst1q_f16(o, vf9); o += 8;
206 vst1q_f16(o, vfA); o += 8;
207 vst1q_f16(o, vfB); o += 8;
208
209 vacc0 = vaddq_f16(vacc0, vf0);
210 vacc0 = vaddq_f16(vacc0, vf1);
211 vacc0 = vaddq_f16(vacc0, vf2);
212 vacc0 = vaddq_f16(vacc0, vf3);
213 vacc0 = vaddq_f16(vacc0, vf4);
214 vacc0 = vaddq_f16(vacc0, vf5);
215 vacc0 = vaddq_f16(vacc0, vf6);
216 vacc0 = vaddq_f16(vacc0, vf7);
217 vacc0 = vaddq_f16(vacc0, vf8);
218 vacc0 = vaddq_f16(vacc0, vf9);
219 vacc0 = vaddq_f16(vacc0, vfA);
220 vacc0 = vaddq_f16(vacc0, vfB);
221 }
222
223 float16x8_t vacc = vacc0;
224 for (; batch >= 8 * sizeof(__fp16); batch -= 8 * sizeof(__fp16)) {
225 const float16x8_t vi = vld1q_f16(i); i += 8;
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 vst1q_f16(o, vf); o += 8;
244
245 vacc = vaddq_f16(vacc, vf);
246 }
247 float16x4_t vacc_lo = vadd_f16(vget_low_f16(vacc), vget_high_f16(vacc));
248 if (batch != 0) {
249 assert(batch >= 1 * sizeof(__fp16));
250 assert(batch <= 7 * sizeof(__fp16));
251 const float16x8_t vi = vld1q_f16(i);
252
253 const float16x8_t vx = vsubq_f16(vi, vi_max);
254
255 float16x8_t vn = vfmaq_f16(vmagic_bias, vx, vlog2e);
256 const float16x8_t vs = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn), 10));
257 vn = vsubq_f16(vn, vmagic_bias);
258
259 float16x8_t vt = vfmaq_f16(vx, vn, vminus_ln2_hi);
260 vt = vfmaq_f16(vt, vn, vminus_ln2_lo);
261
262 const float16x8_t vp = vfmaq_f16(vc1, vc2, vt);
263 vt = vmulq_f16(vt, vs);
264
265 float16x8_t vf = vfmaq_f16(vs, vp, vt);
266 const uint16x8_t vm = vcltq_f16(vx, vdenorm_cutoff);
267 vf = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf), vm));
268
269 float16x4_t vf_lo = vget_low_f16(vf);
270 if (batch & (4 * sizeof(__fp16))) {
271 vst1_f16(o, vf_lo); o += 4;
272 vacc_lo = vadd_f16(vacc_lo, vf_lo);
273 vf_lo = vget_high_f16(vf);
274 }
275 if (batch & (2 * sizeof(__fp16))) {
276 vst1_lane_u32((void*) o, vreinterpret_u32_f16(vf_lo), 0); o += 2;
277 vacc_lo = vadd_f16(vacc_lo, vreinterpret_f16_u64(vshl_n_u64(vreinterpret_u64_f16(vf_lo), 32)));
278 vf_lo = vext_f16(vf_lo, vf_lo, 2);
279 }
280 if (batch & (1 * sizeof(__fp16))) {
281 vst1_lane_f16(o, vf_lo, 0);
282 vacc_lo = vadd_f16(vacc_lo, vreinterpret_f16_u64(vshl_n_u64(vreinterpret_u64_f16(vf_lo), 48)));
283 }
284 }
285 vacc_lo = vpadd_f16(vacc_lo, vacc_lo);
286 *((__fp16*) sum) = vget_lane_f16(vacc_lo, 0) + vget_lane_f16(vacc_lo, 1);
287 }
288