1 /*
2 * Copyright (c) 2003, 2007-14 Matteo Frigo
3 * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 *
19 */
20
21 /* This file was automatically generated --- DO NOT EDIT */
22 /* Generated on Thu Dec 10 07:06:32 EST 2020 */
23
24 #include "rdft/codelet-rdft.h"
25
26 #if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
27
28 /* Generated by: ../../../genfft/gen_hc2hc.native -fma -compact -variables 4 -pipeline-latency 4 -sign 1 -twiddle-log3 -precompute-twiddles -n 4 -dif -name hb2_4 -include rdft/scalar/hb.h */
29
30 /*
31 * This function contains 24 FP additions, 16 FP multiplications,
32 * (or, 16 additions, 8 multiplications, 8 fused multiply/add),
33 * 33 stack variables, 0 constants, and 16 memory accesses
34 */
35 #include "rdft/scalar/hb.h"
36
hb2_4(R * cr,R * ci,const R * W,stride rs,INT mb,INT me,INT ms)37 static void hb2_4(R *cr, R *ci, const R *W, stride rs, INT mb, INT me, INT ms)
38 {
39 {
40 INT m;
41 for (m = mb, W = W + ((mb - 1) * 4); m < me; m = m + 1, cr = cr + ms, ci = ci - ms, W = W + 4, MAKE_VOLATILE_STRIDE(8, rs)) {
42 E T7, Tb, T8, Ta, Tc, Tg, T9, Tf;
43 T7 = W[0];
44 Tb = W[3];
45 T8 = W[2];
46 T9 = T7 * T8;
47 Tf = T7 * Tb;
48 Ta = W[1];
49 Tc = FMA(Ta, Tb, T9);
50 Tg = FNMS(Ta, T8, Tf);
51 {
52 E T3, T6, Td, Tj, Tz, Tx, Tr, Tm, Tv, Ts, Tw, TA;
53 {
54 E Th, Ti, Tu, Tk, Tl, Tq, Tp, Tt;
55 Th = ci[WS(rs, 3)];
56 Ti = cr[WS(rs, 2)];
57 Tu = Th + Ti;
58 Tk = ci[WS(rs, 2)];
59 Tl = cr[WS(rs, 3)];
60 Tq = Tk + Tl;
61 {
62 E T1, T2, T4, T5;
63 T1 = cr[0];
64 T2 = ci[WS(rs, 1)];
65 T3 = T1 + T2;
66 Tp = T1 - T2;
67 T4 = cr[WS(rs, 1)];
68 T5 = ci[0];
69 T6 = T4 + T5;
70 Tt = T4 - T5;
71 }
72 Td = T3 - T6;
73 Tj = Th - Ti;
74 Tz = Tu - Tt;
75 Tx = Tp + Tq;
76 Tr = Tp - Tq;
77 Tm = Tk - Tl;
78 Tv = Tt + Tu;
79 }
80 cr[0] = T3 + T6;
81 ci[0] = Tj + Tm;
82 Ts = T7 * Tr;
83 cr[WS(rs, 1)] = FNMS(Ta, Tv, Ts);
84 Tw = T7 * Tv;
85 ci[WS(rs, 1)] = FMA(Ta, Tr, Tw);
86 TA = T8 * Tz;
87 ci[WS(rs, 3)] = FMA(Tb, Tx, TA);
88 {
89 E Ty, Te, To, Tn;
90 Ty = T8 * Tx;
91 cr[WS(rs, 3)] = FNMS(Tb, Tz, Ty);
92 Te = Tc * Td;
93 To = Tg * Td;
94 Tn = Tj - Tm;
95 cr[WS(rs, 2)] = FNMS(Tg, Tn, Te);
96 ci[WS(rs, 2)] = FMA(Tc, Tn, To);
97 }
98 }
99 }
100 }
101 }
102
103 static const tw_instr twinstr[] = {
104 { TW_CEXP, 1, 1 },
105 { TW_CEXP, 1, 3 },
106 { TW_NEXT, 1, 0 }
107 };
108
109 static const hc2hc_desc desc = { 4, "hb2_4", twinstr, &GENUS, { 16, 8, 8, 0 } };
110
X(codelet_hb2_4)111 void X(codelet_hb2_4) (planner *p) {
112 X(khc2hc_register) (p, hb2_4, &desc);
113 }
114 #else
115
116 /* Generated by: ../../../genfft/gen_hc2hc.native -compact -variables 4 -pipeline-latency 4 -sign 1 -twiddle-log3 -precompute-twiddles -n 4 -dif -name hb2_4 -include rdft/scalar/hb.h */
117
118 /*
119 * This function contains 24 FP additions, 16 FP multiplications,
120 * (or, 16 additions, 8 multiplications, 8 fused multiply/add),
121 * 21 stack variables, 0 constants, and 16 memory accesses
122 */
123 #include "rdft/scalar/hb.h"
124
hb2_4(R * cr,R * ci,const R * W,stride rs,INT mb,INT me,INT ms)125 static void hb2_4(R *cr, R *ci, const R *W, stride rs, INT mb, INT me, INT ms)
126 {
127 {
128 INT m;
129 for (m = mb, W = W + ((mb - 1) * 4); m < me; m = m + 1, cr = cr + ms, ci = ci - ms, W = W + 4, MAKE_VOLATILE_STRIDE(8, rs)) {
130 E T7, T9, T8, Ta, Tb, Td;
131 T7 = W[0];
132 T9 = W[1];
133 T8 = W[2];
134 Ta = W[3];
135 Tb = FMA(T7, T8, T9 * Ta);
136 Td = FNMS(T9, T8, T7 * Ta);
137 {
138 E T3, Tl, T6, To, Tg, Tp, Tj, Tm, Tc, Tk;
139 {
140 E T1, T2, T4, T5;
141 T1 = cr[0];
142 T2 = ci[WS(rs, 1)];
143 T3 = T1 + T2;
144 Tl = T1 - T2;
145 T4 = cr[WS(rs, 1)];
146 T5 = ci[0];
147 T6 = T4 + T5;
148 To = T4 - T5;
149 }
150 {
151 E Te, Tf, Th, Ti;
152 Te = ci[WS(rs, 3)];
153 Tf = cr[WS(rs, 2)];
154 Tg = Te - Tf;
155 Tp = Te + Tf;
156 Th = ci[WS(rs, 2)];
157 Ti = cr[WS(rs, 3)];
158 Tj = Th - Ti;
159 Tm = Th + Ti;
160 }
161 cr[0] = T3 + T6;
162 ci[0] = Tg + Tj;
163 Tc = T3 - T6;
164 Tk = Tg - Tj;
165 cr[WS(rs, 2)] = FNMS(Td, Tk, Tb * Tc);
166 ci[WS(rs, 2)] = FMA(Td, Tc, Tb * Tk);
167 {
168 E Tn, Tq, Tr, Ts;
169 Tn = Tl - Tm;
170 Tq = To + Tp;
171 cr[WS(rs, 1)] = FNMS(T9, Tq, T7 * Tn);
172 ci[WS(rs, 1)] = FMA(T7, Tq, T9 * Tn);
173 Tr = Tl + Tm;
174 Ts = Tp - To;
175 cr[WS(rs, 3)] = FNMS(Ta, Ts, T8 * Tr);
176 ci[WS(rs, 3)] = FMA(T8, Ts, Ta * Tr);
177 }
178 }
179 }
180 }
181 }
182
183 static const tw_instr twinstr[] = {
184 { TW_CEXP, 1, 1 },
185 { TW_CEXP, 1, 3 },
186 { TW_NEXT, 1, 0 }
187 };
188
189 static const hc2hc_desc desc = { 4, "hb2_4", twinstr, &GENUS, { 16, 8, 8, 0 } };
190
X(codelet_hb2_4)191 void X(codelet_hb2_4) (planner *p) {
192 X(khc2hc_register) (p, hb2_4, &desc);
193 }
194 #endif
195