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1 // Auto-generated file. Do not edit!
2 //   Template: src/f32-velu/sse-rr2-p6.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 <emmintrin.h>
13 
14 #include <xnnpack/vunary.h>
15 #include <xnnpack/common.h>
16 
17 
xnn_f32_velu_ukernel__sse2_rr2_p6_x24(size_t n,const float * x,float * y,const union xnn_f32_elu_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_f32_velu_ukernel__sse2_rr2_p6_x24(
19     size_t n,
20     const float* x,
21     float* y,
22     const union xnn_f32_elu_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN
23 {
24   assert(n != 0);
25   assert(n % sizeof(float) == 0);
26   assert(x != NULL);
27   assert(y != NULL);
28 
29   const __m128 vprescale = _mm_load_ps(params->sse.prescale);
30   const __m128 valpha = _mm_load_ps(params->sse.alpha);
31   const __m128 vbeta = _mm_load_ps(params->sse.beta);
32 
33   const __m128 vsat_cutoff = _mm_set1_ps(-0x1.154246p+4f);
34   const __m128 vmagic_bias = _mm_set1_ps(0x1.8000FEp23f);
35   const __m128 vlog2e = _mm_set1_ps(0x1.715476p+0f);
36   const __m128 vminus_ln2_hi = _mm_set1_ps(-0x1.62E440p-1f);
37   const __m128 vminus_ln2_lo = _mm_set1_ps(0x1.0105C6p-21f);
38   const __m128 vc6 = _mm_set1_ps(0x1.6b7338p-10f);
39   const __m128 vc5 = _mm_set1_ps(0x1.12278Ep-7f);
40   const __m128 vc4 = _mm_set1_ps(0x1.555716p-5f);
41   const __m128 vc3 = _mm_set1_ps(0x1.5554B0p-3f);
42   const __m128 vc2 = _mm_set1_ps(0x1.FFFFFEp-2f);
43   const __m128 vone = _mm_set1_ps(1.0f);
44 
45   for (; n >= 24 * sizeof(float); n -= 24 * sizeof(float)) {
46     __m128 vx0123 = _mm_loadu_ps(x);
47     __m128 vx4567 = _mm_loadu_ps(x + 4);
48     __m128 vx89AB = _mm_loadu_ps(x + 8);
49     __m128 vxCDEF = _mm_loadu_ps(x + 12);
50     __m128 vxGHIJ = _mm_loadu_ps(x + 16);
51     __m128 vxKLMN = _mm_loadu_ps(x + 20);
52     x += 24;
53 
54     const __m128 vz0123 = _mm_max_ps(vsat_cutoff, _mm_mul_ps(vx0123, vprescale));
55     const __m128 vz4567 = _mm_max_ps(vsat_cutoff, _mm_mul_ps(vx4567, vprescale));
56     const __m128 vz89AB = _mm_max_ps(vsat_cutoff, _mm_mul_ps(vx89AB, vprescale));
57     const __m128 vzCDEF = _mm_max_ps(vsat_cutoff, _mm_mul_ps(vxCDEF, vprescale));
58     const __m128 vzGHIJ = _mm_max_ps(vsat_cutoff, _mm_mul_ps(vxGHIJ, vprescale));
59     const __m128 vzKLMN = _mm_max_ps(vsat_cutoff, _mm_mul_ps(vxKLMN, vprescale));
60 
61     __m128 vn0123 = _mm_add_ps(_mm_mul_ps(vz0123, vlog2e), vmagic_bias);
62     __m128 vn4567 = _mm_add_ps(_mm_mul_ps(vz4567, vlog2e), vmagic_bias);
63     __m128 vn89AB = _mm_add_ps(_mm_mul_ps(vz89AB, vlog2e), vmagic_bias);
64     __m128 vnCDEF = _mm_add_ps(_mm_mul_ps(vzCDEF, vlog2e), vmagic_bias);
65     __m128 vnGHIJ = _mm_add_ps(_mm_mul_ps(vzGHIJ, vlog2e), vmagic_bias);
66     __m128 vnKLMN = _mm_add_ps(_mm_mul_ps(vzKLMN, vlog2e), vmagic_bias);
67 
68     __m128 vs0123 = _mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(vn0123), 23));
69     __m128 vs4567 = _mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(vn4567), 23));
70     __m128 vs89AB = _mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(vn89AB), 23));
71     __m128 vsCDEF = _mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(vnCDEF), 23));
72     __m128 vsGHIJ = _mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(vnGHIJ), 23));
73     __m128 vsKLMN = _mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(vnKLMN), 23));
74 
75     vn0123 = _mm_sub_ps(vn0123, vmagic_bias);
76     vn4567 = _mm_sub_ps(vn4567, vmagic_bias);
77     vn89AB = _mm_sub_ps(vn89AB, vmagic_bias);
78     vnCDEF = _mm_sub_ps(vnCDEF, vmagic_bias);
79     vnGHIJ = _mm_sub_ps(vnGHIJ, vmagic_bias);
80     vnKLMN = _mm_sub_ps(vnKLMN, vmagic_bias);
81 
82     __m128 vt0123 = _mm_add_ps(_mm_mul_ps(vn0123, vminus_ln2_hi), vz0123);
83     __m128 vt4567 = _mm_add_ps(_mm_mul_ps(vn4567, vminus_ln2_hi), vz4567);
84     __m128 vt89AB = _mm_add_ps(_mm_mul_ps(vn89AB, vminus_ln2_hi), vz89AB);
85     __m128 vtCDEF = _mm_add_ps(_mm_mul_ps(vnCDEF, vminus_ln2_hi), vzCDEF);
86     __m128 vtGHIJ = _mm_add_ps(_mm_mul_ps(vnGHIJ, vminus_ln2_hi), vzGHIJ);
87     __m128 vtKLMN = _mm_add_ps(_mm_mul_ps(vnKLMN, vminus_ln2_hi), vzKLMN);
88 
89     vt0123 = _mm_add_ps(_mm_mul_ps(vn0123, vminus_ln2_lo), vt0123);
90     vt4567 = _mm_add_ps(_mm_mul_ps(vn4567, vminus_ln2_lo), vt4567);
91     vt89AB = _mm_add_ps(_mm_mul_ps(vn89AB, vminus_ln2_lo), vt89AB);
92     vtCDEF = _mm_add_ps(_mm_mul_ps(vnCDEF, vminus_ln2_lo), vtCDEF);
93     vtGHIJ = _mm_add_ps(_mm_mul_ps(vnGHIJ, vminus_ln2_lo), vtGHIJ);
94     vtKLMN = _mm_add_ps(_mm_mul_ps(vnKLMN, vminus_ln2_lo), vtKLMN);
95 
96     __m128 vp0123 = _mm_add_ps(_mm_mul_ps(vc6, vt0123), vc5);
97     __m128 vp4567 = _mm_add_ps(_mm_mul_ps(vc6, vt4567), vc5);
98     __m128 vp89AB = _mm_add_ps(_mm_mul_ps(vc6, vt89AB), vc5);
99     __m128 vpCDEF = _mm_add_ps(_mm_mul_ps(vc6, vtCDEF), vc5);
100     __m128 vpGHIJ = _mm_add_ps(_mm_mul_ps(vc6, vtGHIJ), vc5);
101     __m128 vpKLMN = _mm_add_ps(_mm_mul_ps(vc6, vtKLMN), vc5);
102 
103     vp0123 = _mm_add_ps(_mm_mul_ps(vp0123, vt0123), vc4);
104     vp4567 = _mm_add_ps(_mm_mul_ps(vp4567, vt4567), vc4);
105     vp89AB = _mm_add_ps(_mm_mul_ps(vp89AB, vt89AB), vc4);
106     vpCDEF = _mm_add_ps(_mm_mul_ps(vpCDEF, vtCDEF), vc4);
107     vpGHIJ = _mm_add_ps(_mm_mul_ps(vpGHIJ, vtGHIJ), vc4);
108     vpKLMN = _mm_add_ps(_mm_mul_ps(vpKLMN, vtKLMN), vc4);
109 
110     vp0123 = _mm_add_ps(_mm_mul_ps(vp0123, vt0123), vc3);
111     vp4567 = _mm_add_ps(_mm_mul_ps(vp4567, vt4567), vc3);
112     vp89AB = _mm_add_ps(_mm_mul_ps(vp89AB, vt89AB), vc3);
113     vpCDEF = _mm_add_ps(_mm_mul_ps(vpCDEF, vtCDEF), vc3);
114     vpGHIJ = _mm_add_ps(_mm_mul_ps(vpGHIJ, vtGHIJ), vc3);
115     vpKLMN = _mm_add_ps(_mm_mul_ps(vpKLMN, vtKLMN), vc3);
116 
117     vp0123 = _mm_add_ps(_mm_mul_ps(vp0123, vt0123), vc2);
118     vp4567 = _mm_add_ps(_mm_mul_ps(vp4567, vt4567), vc2);
119     vp89AB = _mm_add_ps(_mm_mul_ps(vp89AB, vt89AB), vc2);
120     vpCDEF = _mm_add_ps(_mm_mul_ps(vpCDEF, vtCDEF), vc2);
121     vpGHIJ = _mm_add_ps(_mm_mul_ps(vpGHIJ, vtGHIJ), vc2);
122     vpKLMN = _mm_add_ps(_mm_mul_ps(vpKLMN, vtKLMN), vc2);
123 
124     vp0123 = _mm_mul_ps(vp0123, vt0123);
125     vp4567 = _mm_mul_ps(vp4567, vt4567);
126     vp89AB = _mm_mul_ps(vp89AB, vt89AB);
127     vpCDEF = _mm_mul_ps(vpCDEF, vtCDEF);
128     vpGHIJ = _mm_mul_ps(vpGHIJ, vtGHIJ);
129     vpKLMN = _mm_mul_ps(vpKLMN, vtKLMN);
130 
131     vt0123 = _mm_mul_ps(vt0123, vs0123);
132     vs0123 = _mm_sub_ps(vs0123, vone);
133     vt4567 = _mm_mul_ps(vt4567, vs4567);
134     vs4567 = _mm_sub_ps(vs4567, vone);
135     vt89AB = _mm_mul_ps(vt89AB, vs89AB);
136     vs89AB = _mm_sub_ps(vs89AB, vone);
137     vtCDEF = _mm_mul_ps(vtCDEF, vsCDEF);
138     vsCDEF = _mm_sub_ps(vsCDEF, vone);
139     vtGHIJ = _mm_mul_ps(vtGHIJ, vsGHIJ);
140     vsGHIJ = _mm_sub_ps(vsGHIJ, vone);
141     vtKLMN = _mm_mul_ps(vtKLMN, vsKLMN);
142     vsKLMN = _mm_sub_ps(vsKLMN, vone);
143 
144     vp0123 = _mm_add_ps(_mm_mul_ps(vp0123, vt0123), vt0123);
145     vp4567 = _mm_add_ps(_mm_mul_ps(vp4567, vt4567), vt4567);
146     vp89AB = _mm_add_ps(_mm_mul_ps(vp89AB, vt89AB), vt89AB);
147     vpCDEF = _mm_add_ps(_mm_mul_ps(vpCDEF, vtCDEF), vtCDEF);
148     vpGHIJ = _mm_add_ps(_mm_mul_ps(vpGHIJ, vtGHIJ), vtGHIJ);
149     vpKLMN = _mm_add_ps(_mm_mul_ps(vpKLMN, vtKLMN), vtKLMN);
150 
151     const __m128 ve0123 = _mm_mul_ps(_mm_add_ps(vp0123, vs0123), valpha);
152     const __m128 ve4567 = _mm_mul_ps(_mm_add_ps(vp4567, vs4567), valpha);
153     const __m128 ve89AB = _mm_mul_ps(_mm_add_ps(vp89AB, vs89AB), valpha);
154     const __m128 veCDEF = _mm_mul_ps(_mm_add_ps(vpCDEF, vsCDEF), valpha);
155     const __m128 veGHIJ = _mm_mul_ps(_mm_add_ps(vpGHIJ, vsGHIJ), valpha);
156     const __m128 veKLMN = _mm_mul_ps(_mm_add_ps(vpKLMN, vsKLMN), valpha);
157 
158     const __m128 vm0123 = _mm_castsi128_ps(_mm_cmpgt_epi32(_mm_setzero_si128(), _mm_castps_si128(vx0123)));
159     vx0123 = _mm_mul_ps(vx0123, vbeta);
160     const __m128 vm4567 = _mm_castsi128_ps(_mm_cmpgt_epi32(_mm_setzero_si128(), _mm_castps_si128(vx4567)));
161     vx4567 = _mm_mul_ps(vx4567, vbeta);
162     const __m128 vm89AB = _mm_castsi128_ps(_mm_cmpgt_epi32(_mm_setzero_si128(), _mm_castps_si128(vx89AB)));
163     vx89AB = _mm_mul_ps(vx89AB, vbeta);
164     const __m128 vmCDEF = _mm_castsi128_ps(_mm_cmpgt_epi32(_mm_setzero_si128(), _mm_castps_si128(vxCDEF)));
165     vxCDEF = _mm_mul_ps(vxCDEF, vbeta);
166     const __m128 vmGHIJ = _mm_castsi128_ps(_mm_cmpgt_epi32(_mm_setzero_si128(), _mm_castps_si128(vxGHIJ)));
167     vxGHIJ = _mm_mul_ps(vxGHIJ, vbeta);
168     const __m128 vmKLMN = _mm_castsi128_ps(_mm_cmpgt_epi32(_mm_setzero_si128(), _mm_castps_si128(vxKLMN)));
169     vxKLMN = _mm_mul_ps(vxKLMN, vbeta);
170 
171     const __m128 vy0123 = _mm_or_ps(_mm_and_ps(ve0123, vm0123), _mm_andnot_ps(vm0123, vx0123));
172     const __m128 vy4567 = _mm_or_ps(_mm_and_ps(ve4567, vm4567), _mm_andnot_ps(vm4567, vx4567));
173     const __m128 vy89AB = _mm_or_ps(_mm_and_ps(ve89AB, vm89AB), _mm_andnot_ps(vm89AB, vx89AB));
174     const __m128 vyCDEF = _mm_or_ps(_mm_and_ps(veCDEF, vmCDEF), _mm_andnot_ps(vmCDEF, vxCDEF));
175     const __m128 vyGHIJ = _mm_or_ps(_mm_and_ps(veGHIJ, vmGHIJ), _mm_andnot_ps(vmGHIJ, vxGHIJ));
176     const __m128 vyKLMN = _mm_or_ps(_mm_and_ps(veKLMN, vmKLMN), _mm_andnot_ps(vmKLMN, vxKLMN));
177 
178     _mm_storeu_ps(y, vy0123);
179     _mm_storeu_ps(y + 4, vy4567);
180     _mm_storeu_ps(y + 8, vy89AB);
181     _mm_storeu_ps(y + 12, vyCDEF);
182     _mm_storeu_ps(y + 16, vyGHIJ);
183     _mm_storeu_ps(y + 20, vyKLMN);
184     y += 24;
185   }
186   for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) {
187     __m128 vx = _mm_loadu_ps(x);
188     x += 4;
189 
190     const __m128 vz = _mm_max_ps(vsat_cutoff, _mm_mul_ps(vx, vprescale));
191 
192     __m128 vn = _mm_add_ps(_mm_mul_ps(vz, vlog2e), vmagic_bias);
193     __m128 vs = _mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(vn), 23));
194     vn = _mm_sub_ps(vn, vmagic_bias);
195 
196     __m128 vt = _mm_add_ps(_mm_mul_ps(vn, vminus_ln2_hi), vz);
197     vt = _mm_add_ps(_mm_mul_ps(vn, vminus_ln2_lo), vt);
198 
199     __m128 vp = _mm_add_ps(_mm_mul_ps(vc6, vt), vc5);
200     vp = _mm_add_ps(_mm_mul_ps(vp, vt), vc4);
201     vp = _mm_add_ps(_mm_mul_ps(vp, vt), vc3);
202     vp = _mm_add_ps(_mm_mul_ps(vp, vt), vc2);
203     vp = _mm_mul_ps(vp, vt);
204 
205     vt = _mm_mul_ps(vt, vs);
206     vs = _mm_sub_ps(vs, vone);
207     vp = _mm_add_ps(_mm_mul_ps(vp, vt), vt);
208     const __m128 ve = _mm_mul_ps(_mm_add_ps(vp, vs), valpha);
209 
210     const __m128 vm = _mm_castsi128_ps(_mm_cmpgt_epi32(_mm_setzero_si128(), _mm_castps_si128(vx)));
211     vx = _mm_mul_ps(vx, vbeta);
212     const __m128 vy = _mm_or_ps(_mm_and_ps(ve, vm), _mm_andnot_ps(vm, vx));
213 
214     _mm_storeu_ps(y, vy);
215     y += 4;
216   }
217   if XNN_UNLIKELY(n != 0) {
218     __m128 vx = _mm_loadu_ps(x);
219 
220     const __m128 vz = _mm_max_ps(vsat_cutoff, _mm_mul_ps(vx, vprescale));
221 
222     __m128 vn = _mm_add_ps(_mm_mul_ps(vz, vlog2e), vmagic_bias);
223     __m128 vs = _mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(vn), 23));
224     vn = _mm_sub_ps(vn, vmagic_bias);
225 
226     __m128 vt = _mm_add_ps(_mm_mul_ps(vn, vminus_ln2_hi), vz);
227     vt = _mm_add_ps(_mm_mul_ps(vn, vminus_ln2_lo), vt);
228 
229     __m128 vp = _mm_add_ps(_mm_mul_ps(vc6, vt), vc5);
230     vp = _mm_add_ps(_mm_mul_ps(vp, vt), vc4);
231     vp = _mm_add_ps(_mm_mul_ps(vp, vt), vc3);
232     vp = _mm_add_ps(_mm_mul_ps(vp, vt), vc2);
233     vp = _mm_mul_ps(vp, vt);
234 
235     vt = _mm_mul_ps(vt, vs);
236     vs = _mm_sub_ps(vs, vone);
237     vp = _mm_add_ps(_mm_mul_ps(vp, vt), vt);
238     const __m128 ve = _mm_mul_ps(_mm_add_ps(vp, vs), valpha);
239 
240     const __m128 vm = _mm_castsi128_ps(_mm_cmpgt_epi32(_mm_setzero_si128(), _mm_castps_si128(vx)));
241     vx = _mm_mul_ps(vx, vbeta);
242     __m128 vy = _mm_or_ps(_mm_and_ps(ve, vm), _mm_andnot_ps(vm, vx));
243 
244     if (n & (2 * sizeof(float))) {
245       _mm_storel_pi((__m64*) y, vy);
246       vy = _mm_movehl_ps(vy, vy);
247       y += 2;
248     }
249     if (n & (1 * sizeof(float))) {
250       _mm_store_ss(y, vy);
251     }
252   }
253 }
254