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_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_x96_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 >= 96 * sizeof(__fp16); batch -= 96 * 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 const float16x8_t viA = vld1q_f16(i); i += 8;
53 const float16x8_t viB = vld1q_f16(i); i += 8;
54
55 const float16x8_t vx0 = vsubq_f16(vi0, vi_max);
56 const float16x8_t vx1 = vsubq_f16(vi1, vi_max);
57 const float16x8_t vx2 = vsubq_f16(vi2, vi_max);
58 const float16x8_t vx3 = vsubq_f16(vi3, vi_max);
59 const float16x8_t vx4 = vsubq_f16(vi4, vi_max);
60 const float16x8_t vx5 = vsubq_f16(vi5, vi_max);
61 const float16x8_t vx6 = vsubq_f16(vi6, vi_max);
62 const float16x8_t vx7 = vsubq_f16(vi7, vi_max);
63 const float16x8_t vx8 = vsubq_f16(vi8, vi_max);
64 const float16x8_t vx9 = vsubq_f16(vi9, vi_max);
65 const float16x8_t vxA = vsubq_f16(viA, vi_max);
66 const float16x8_t vxB = vsubq_f16(viB, vi_max);
67
68 float16x8_t vn0 = vfmaq_f16(vmagic_bias, vx0, vlog2e);
69 float16x8_t vn1 = vfmaq_f16(vmagic_bias, vx1, vlog2e);
70 float16x8_t vn2 = vfmaq_f16(vmagic_bias, vx2, vlog2e);
71 float16x8_t vn3 = vfmaq_f16(vmagic_bias, vx3, vlog2e);
72 float16x8_t vn4 = vfmaq_f16(vmagic_bias, vx4, vlog2e);
73 float16x8_t vn5 = vfmaq_f16(vmagic_bias, vx5, vlog2e);
74 float16x8_t vn6 = vfmaq_f16(vmagic_bias, vx6, vlog2e);
75 float16x8_t vn7 = vfmaq_f16(vmagic_bias, vx7, vlog2e);
76 float16x8_t vn8 = vfmaq_f16(vmagic_bias, vx8, vlog2e);
77 float16x8_t vn9 = vfmaq_f16(vmagic_bias, vx9, vlog2e);
78 float16x8_t vnA = vfmaq_f16(vmagic_bias, vxA, vlog2e);
79 float16x8_t vnB = vfmaq_f16(vmagic_bias, vxB, vlog2e);
80
81 const float16x8_t vs0 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn0), 10));
82 const float16x8_t vs1 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn1), 10));
83 const float16x8_t vs2 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn2), 10));
84 const float16x8_t vs3 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn3), 10));
85 const float16x8_t vs4 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn4), 10));
86 const float16x8_t vs5 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn5), 10));
87 const float16x8_t vs6 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn6), 10));
88 const float16x8_t vs7 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn7), 10));
89 const float16x8_t vs8 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn8), 10));
90 const float16x8_t vs9 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn9), 10));
91 const float16x8_t vsA = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vnA), 10));
92 const float16x8_t vsB = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vnB), 10));
93
94 vn0 = vsubq_f16(vn0, vmagic_bias);
95 vn1 = vsubq_f16(vn1, vmagic_bias);
96 vn2 = vsubq_f16(vn2, vmagic_bias);
97 vn3 = vsubq_f16(vn3, vmagic_bias);
98 vn4 = vsubq_f16(vn4, vmagic_bias);
99 vn5 = vsubq_f16(vn5, vmagic_bias);
100 vn6 = vsubq_f16(vn6, vmagic_bias);
101 vn7 = vsubq_f16(vn7, vmagic_bias);
102 vn8 = vsubq_f16(vn8, vmagic_bias);
103 vn9 = vsubq_f16(vn9, vmagic_bias);
104 vnA = vsubq_f16(vnA, vmagic_bias);
105 vnB = vsubq_f16(vnB, vmagic_bias);
106
107 float16x8_t vt0 = vfmaq_f16(vx0, vn0, vminus_ln2_hi);
108 float16x8_t vt1 = vfmaq_f16(vx1, vn1, vminus_ln2_hi);
109 float16x8_t vt2 = vfmaq_f16(vx2, vn2, vminus_ln2_hi);
110 float16x8_t vt3 = vfmaq_f16(vx3, vn3, vminus_ln2_hi);
111 float16x8_t vt4 = vfmaq_f16(vx4, vn4, vminus_ln2_hi);
112 float16x8_t vt5 = vfmaq_f16(vx5, vn5, vminus_ln2_hi);
113 float16x8_t vt6 = vfmaq_f16(vx6, vn6, vminus_ln2_hi);
114 float16x8_t vt7 = vfmaq_f16(vx7, vn7, vminus_ln2_hi);
115 float16x8_t vt8 = vfmaq_f16(vx8, vn8, vminus_ln2_hi);
116 float16x8_t vt9 = vfmaq_f16(vx9, vn9, vminus_ln2_hi);
117 float16x8_t vtA = vfmaq_f16(vxA, vnA, vminus_ln2_hi);
118 float16x8_t vtB = vfmaq_f16(vxB, vnB, vminus_ln2_hi);
119
120 vt0 = vfmaq_f16(vt0, vn0, vminus_ln2_lo);
121 vt1 = vfmaq_f16(vt1, vn1, vminus_ln2_lo);
122 vt2 = vfmaq_f16(vt2, vn2, vminus_ln2_lo);
123 vt3 = vfmaq_f16(vt3, vn3, vminus_ln2_lo);
124 vt4 = vfmaq_f16(vt4, vn4, vminus_ln2_lo);
125 vt5 = vfmaq_f16(vt5, vn5, vminus_ln2_lo);
126 vt6 = vfmaq_f16(vt6, vn6, vminus_ln2_lo);
127 vt7 = vfmaq_f16(vt7, vn7, vminus_ln2_lo);
128 vt8 = vfmaq_f16(vt8, vn8, vminus_ln2_lo);
129 vt9 = vfmaq_f16(vt9, vn9, vminus_ln2_lo);
130 vtA = vfmaq_f16(vtA, vnA, vminus_ln2_lo);
131 vtB = vfmaq_f16(vtB, vnB, vminus_ln2_lo);
132
133 const float16x8_t vp0 = vfmaq_f16(vc1, vc2, vt0);
134 const float16x8_t vp1 = vfmaq_f16(vc1, vc2, vt1);
135 const float16x8_t vp2 = vfmaq_f16(vc1, vc2, vt2);
136 const float16x8_t vp3 = vfmaq_f16(vc1, vc2, vt3);
137 const float16x8_t vp4 = vfmaq_f16(vc1, vc2, vt4);
138 const float16x8_t vp5 = vfmaq_f16(vc1, vc2, vt5);
139 const float16x8_t vp6 = vfmaq_f16(vc1, vc2, vt6);
140 const float16x8_t vp7 = vfmaq_f16(vc1, vc2, vt7);
141 const float16x8_t vp8 = vfmaq_f16(vc1, vc2, vt8);
142 const float16x8_t vp9 = vfmaq_f16(vc1, vc2, vt9);
143 const float16x8_t vpA = vfmaq_f16(vc1, vc2, vtA);
144 const float16x8_t vpB = vfmaq_f16(vc1, vc2, vtB);
145
146 vt0 = vmulq_f16(vt0, vs0);
147 vt1 = vmulq_f16(vt1, vs1);
148 vt2 = vmulq_f16(vt2, vs2);
149 vt3 = vmulq_f16(vt3, vs3);
150 vt4 = vmulq_f16(vt4, vs4);
151 vt5 = vmulq_f16(vt5, vs5);
152 vt6 = vmulq_f16(vt6, vs6);
153 vt7 = vmulq_f16(vt7, vs7);
154 vt8 = vmulq_f16(vt8, vs8);
155 vt9 = vmulq_f16(vt9, vs9);
156 vtA = vmulq_f16(vtA, vsA);
157 vtB = vmulq_f16(vtB, vsB);
158
159 float16x8_t vf0 = vfmaq_f16(vs0, vp0, vt0);
160 const uint16x8_t vm0 = vcltq_f16(vx0, vdenorm_cutoff);
161 float16x8_t vf1 = vfmaq_f16(vs1, vp1, vt1);
162 const uint16x8_t vm1 = vcltq_f16(vx1, vdenorm_cutoff);
163 float16x8_t vf2 = vfmaq_f16(vs2, vp2, vt2);
164 const uint16x8_t vm2 = vcltq_f16(vx2, vdenorm_cutoff);
165 float16x8_t vf3 = vfmaq_f16(vs3, vp3, vt3);
166 const uint16x8_t vm3 = vcltq_f16(vx3, vdenorm_cutoff);
167 float16x8_t vf4 = vfmaq_f16(vs4, vp4, vt4);
168 const uint16x8_t vm4 = vcltq_f16(vx4, vdenorm_cutoff);
169 float16x8_t vf5 = vfmaq_f16(vs5, vp5, vt5);
170 const uint16x8_t vm5 = vcltq_f16(vx5, vdenorm_cutoff);
171 float16x8_t vf6 = vfmaq_f16(vs6, vp6, vt6);
172 const uint16x8_t vm6 = vcltq_f16(vx6, vdenorm_cutoff);
173 float16x8_t vf7 = vfmaq_f16(vs7, vp7, vt7);
174 const uint16x8_t vm7 = vcltq_f16(vx7, vdenorm_cutoff);
175 float16x8_t vf8 = vfmaq_f16(vs8, vp8, vt8);
176 const uint16x8_t vm8 = vcltq_f16(vx8, vdenorm_cutoff);
177 float16x8_t vf9 = vfmaq_f16(vs9, vp9, vt9);
178 const uint16x8_t vm9 = vcltq_f16(vx9, vdenorm_cutoff);
179 float16x8_t vfA = vfmaq_f16(vsA, vpA, vtA);
180 const uint16x8_t vmA = vcltq_f16(vxA, vdenorm_cutoff);
181 float16x8_t vfB = vfmaq_f16(vsB, vpB, vtB);
182 const uint16x8_t vmB = vcltq_f16(vxB, vdenorm_cutoff);
183
184 vf0 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf0), vm0));
185 vf1 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf1), vm1));
186 vf2 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf2), vm2));
187 vf3 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf3), vm3));
188 vf4 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf4), vm4));
189 vf5 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf5), vm5));
190 vf6 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf6), vm6));
191 vf7 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf7), vm7));
192 vf8 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf8), vm8));
193 vf9 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf9), vm9));
194 vfA = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vfA), vmA));
195 vfB = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vfB), vmB));
196
197 vst1q_f16(o, vf0); o += 8;
198 vst1q_f16(o, vf1); o += 8;
199 vst1q_f16(o, vf2); o += 8;
200 vst1q_f16(o, vf3); o += 8;
201 vst1q_f16(o, vf4); o += 8;
202 vst1q_f16(o, vf5); o += 8;
203 vst1q_f16(o, vf6); o += 8;
204 vst1q_f16(o, vf7); o += 8;
205 vst1q_f16(o, vf8); o += 8;
206 vst1q_f16(o, vf9); o += 8;
207 vst1q_f16(o, vfA); o += 8;
208 vst1q_f16(o, vfB); o += 8;
209
210 vacc0 = vaddq_f16(vacc0, vf0);
211 vacc1 = vaddq_f16(vacc1, vf1);
212 vacc0 = vaddq_f16(vacc0, vf2);
213 vacc1 = vaddq_f16(vacc1, vf3);
214 vacc0 = vaddq_f16(vacc0, vf4);
215 vacc1 = vaddq_f16(vacc1, vf5);
216 vacc0 = vaddq_f16(vacc0, vf6);
217 vacc1 = vaddq_f16(vacc1, vf7);
218 vacc0 = vaddq_f16(vacc0, vf8);
219 vacc1 = vaddq_f16(vacc1, vf9);
220 vacc0 = vaddq_f16(vacc0, vfA);
221 vacc1 = vaddq_f16(vacc1, vfB);
222 }
223 vacc0 = vaddq_f16(vacc0, vacc1);
224
225 float16x8_t vacc = vacc0;
226 for (; batch >= 8 * sizeof(__fp16); batch -= 8 * sizeof(__fp16)) {
227 const float16x8_t vi = vld1q_f16(i); i += 8;
228
229 const float16x8_t vx = vsubq_f16(vi, vi_max);
230
231 float16x8_t vn = vfmaq_f16(vmagic_bias, vx, vlog2e);
232 const float16x8_t vs = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn), 10));
233 vn = vsubq_f16(vn, vmagic_bias);
234
235 float16x8_t vt = vfmaq_f16(vx, vn, vminus_ln2_hi);
236 vt = vfmaq_f16(vt, vn, vminus_ln2_lo);
237
238 const float16x8_t vp = vfmaq_f16(vc1, vc2, vt);
239 vt = vmulq_f16(vt, vs);
240
241 float16x8_t vf = vfmaq_f16(vs, vp, vt);
242 const uint16x8_t vm = vcltq_f16(vx, vdenorm_cutoff);
243 vf = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf), vm));
244
245 vst1q_f16(o, vf); o += 8;
246
247 vacc = vaddq_f16(vacc, vf);
248 }
249 float16x4_t vacc_lo = vadd_f16(vget_low_f16(vacc), vget_high_f16(vacc));
250 if (batch != 0) {
251 assert(batch >= 1 * sizeof(__fp16));
252 assert(batch <= 7 * sizeof(__fp16));
253 const float16x8_t vi = vld1q_f16(i);
254
255 const float16x8_t vx = vsubq_f16(vi, vi_max);
256
257 float16x8_t vn = vfmaq_f16(vmagic_bias, vx, vlog2e);
258 const float16x8_t vs = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn), 10));
259 vn = vsubq_f16(vn, vmagic_bias);
260
261 float16x8_t vt = vfmaq_f16(vx, vn, vminus_ln2_hi);
262 vt = vfmaq_f16(vt, vn, vminus_ln2_lo);
263
264 const float16x8_t vp = vfmaq_f16(vc1, vc2, vt);
265 vt = vmulq_f16(vt, vs);
266
267 float16x8_t vf = vfmaq_f16(vs, vp, vt);
268 const uint16x8_t vm = vcltq_f16(vx, vdenorm_cutoff);
269 vf = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf), vm));
270
271 float16x4_t vf_lo = vget_low_f16(vf);
272 if (batch & (4 * sizeof(__fp16))) {
273 vst1_f16(o, vf_lo); o += 4;
274 vacc_lo = vadd_f16(vacc_lo, vf_lo);
275 vf_lo = vget_high_f16(vf);
276 }
277 if (batch & (2 * sizeof(__fp16))) {
278 vst1_lane_u32((void*) o, vreinterpret_u32_f16(vf_lo), 0); o += 2;
279 vacc_lo = vadd_f16(vacc_lo, vreinterpret_f16_u64(vshl_n_u64(vreinterpret_u64_f16(vf_lo), 32)));
280 vf_lo = vext_f16(vf_lo, vf_lo, 2);
281 }
282 if (batch & (1 * sizeof(__fp16))) {
283 vst1_lane_f16(o, vf_lo, 0);
284 vacc_lo = vadd_f16(vacc_lo, vreinterpret_f16_u64(vshl_n_u64(vreinterpret_u64_f16(vf_lo), 48)));
285 }
286 }
287 vacc_lo = vpadd_f16(vacc_lo, vacc_lo);
288 *((__fp16*) sum) = vget_lane_f16(vacc_lo, 0) + vget_lane_f16(vacc_lo, 1);
289 }
290