/src/fftw3/rdft/scalar/r2cf/hc2cf2_4.c
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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 Mon Sep 25 07:06:41 UTC 2023 */ |
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_hc2c.native -fma -compact -variables 4 -pipeline-latency 4 -twiddle-log3 -precompute-twiddles -n 4 -dit -name hc2cf2_4 -include rdft/scalar/hc2cf.h */ |
29 | | |
30 | | /* |
31 | | * This function contains 24 FP additions, 16 FP multiplications, |
32 | | * (or, 16 additions, 8 multiplications, 8 fused multiply/add), |
33 | | * 21 stack variables, 0 constants, and 16 memory accesses |
34 | | */ |
35 | | #include "rdft/scalar/hc2cf.h" |
36 | | |
37 | | static void hc2cf2_4(R *Rp, R *Ip, R *Rm, R *Im, 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, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 4, MAKE_VOLATILE_STRIDE(16, rs)) { |
42 | | E T2, T6, T3, T5, T7, Tb, T4, Ta; |
43 | | T2 = W[0]; |
44 | | T6 = W[3]; |
45 | | T3 = W[2]; |
46 | | T4 = T2 * T3; |
47 | | Ta = T2 * T6; |
48 | | T5 = W[1]; |
49 | | T7 = FMA(T5, T6, T4); |
50 | | Tb = FNMS(T5, T3, Ta); |
51 | | { |
52 | | E T1, Tx, Td, Tw, Ti, Tq, Tm, Ts; |
53 | | T1 = Rp[0]; |
54 | | Tx = Rm[0]; |
55 | | { |
56 | | E T8, T9, Tc, Tv; |
57 | | T8 = Rp[WS(rs, 1)]; |
58 | | T9 = T7 * T8; |
59 | | Tc = Rm[WS(rs, 1)]; |
60 | | Tv = T7 * Tc; |
61 | | Td = FMA(Tb, Tc, T9); |
62 | | Tw = FNMS(Tb, T8, Tv); |
63 | | } |
64 | | { |
65 | | E Tf, Tg, Th, Tp; |
66 | | Tf = Ip[0]; |
67 | | Tg = T2 * Tf; |
68 | | Th = Im[0]; |
69 | | Tp = T2 * Th; |
70 | | Ti = FMA(T5, Th, Tg); |
71 | | Tq = FNMS(T5, Tf, Tp); |
72 | | } |
73 | | { |
74 | | E Tj, Tk, Tl, Tr; |
75 | | Tj = Ip[WS(rs, 1)]; |
76 | | Tk = T3 * Tj; |
77 | | Tl = Im[WS(rs, 1)]; |
78 | | Tr = T3 * Tl; |
79 | | Tm = FMA(T6, Tl, Tk); |
80 | | Ts = FNMS(T6, Tj, Tr); |
81 | | } |
82 | | { |
83 | | E Te, Tn, Tu, Ty; |
84 | | Te = T1 + Td; |
85 | | Tn = Ti + Tm; |
86 | | Rm[WS(rs, 1)] = Te - Tn; |
87 | | Rp[0] = Te + Tn; |
88 | | Tu = Tq + Ts; |
89 | | Ty = Tw + Tx; |
90 | | Im[WS(rs, 1)] = Tu - Ty; |
91 | | Ip[0] = Tu + Ty; |
92 | | } |
93 | | { |
94 | | E To, Tt, Tz, TA; |
95 | | To = T1 - Td; |
96 | | Tt = Tq - Ts; |
97 | | Rm[0] = To - Tt; |
98 | | Rp[WS(rs, 1)] = To + Tt; |
99 | | Tz = Tm - Ti; |
100 | | TA = Tx - Tw; |
101 | | Im[0] = Tz - TA; |
102 | | Ip[WS(rs, 1)] = Tz + TA; |
103 | | } |
104 | | } |
105 | | } |
106 | | } |
107 | | } |
108 | | |
109 | | static const tw_instr twinstr[] = { |
110 | | { TW_CEXP, 1, 1 }, |
111 | | { TW_CEXP, 1, 3 }, |
112 | | { TW_NEXT, 1, 0 } |
113 | | }; |
114 | | |
115 | | static const hc2c_desc desc = { 4, "hc2cf2_4", twinstr, &GENUS, { 16, 8, 8, 0 } }; |
116 | | |
117 | | void X(codelet_hc2cf2_4) (planner *p) { |
118 | | X(khc2c_register) (p, hc2cf2_4, &desc, HC2C_VIA_RDFT); |
119 | | } |
120 | | #else |
121 | | |
122 | | /* Generated by: ../../../genfft/gen_hc2c.native -compact -variables 4 -pipeline-latency 4 -twiddle-log3 -precompute-twiddles -n 4 -dit -name hc2cf2_4 -include rdft/scalar/hc2cf.h */ |
123 | | |
124 | | /* |
125 | | * This function contains 24 FP additions, 16 FP multiplications, |
126 | | * (or, 16 additions, 8 multiplications, 8 fused multiply/add), |
127 | | * 21 stack variables, 0 constants, and 16 memory accesses |
128 | | */ |
129 | | #include "rdft/scalar/hc2cf.h" |
130 | | |
131 | | static void hc2cf2_4(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms) |
132 | 0 | { |
133 | 0 | { |
134 | 0 | INT m; |
135 | 0 | for (m = mb, W = W + ((mb - 1) * 4); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 4, MAKE_VOLATILE_STRIDE(16, rs)) { |
136 | 0 | E T2, T4, T3, T5, T6, T8; |
137 | 0 | T2 = W[0]; |
138 | 0 | T4 = W[1]; |
139 | 0 | T3 = W[2]; |
140 | 0 | T5 = W[3]; |
141 | 0 | T6 = FMA(T2, T3, T4 * T5); |
142 | 0 | T8 = FNMS(T4, T3, T2 * T5); |
143 | 0 | { |
144 | 0 | E T1, Tp, Ta, To, Te, Tk, Th, Tl, T7, T9; |
145 | 0 | T1 = Rp[0]; |
146 | 0 | Tp = Rm[0]; |
147 | 0 | T7 = Rp[WS(rs, 1)]; |
148 | 0 | T9 = Rm[WS(rs, 1)]; |
149 | 0 | Ta = FMA(T6, T7, T8 * T9); |
150 | 0 | To = FNMS(T8, T7, T6 * T9); |
151 | 0 | { |
152 | 0 | E Tc, Td, Tf, Tg; |
153 | 0 | Tc = Ip[0]; |
154 | 0 | Td = Im[0]; |
155 | 0 | Te = FMA(T2, Tc, T4 * Td); |
156 | 0 | Tk = FNMS(T4, Tc, T2 * Td); |
157 | 0 | Tf = Ip[WS(rs, 1)]; |
158 | 0 | Tg = Im[WS(rs, 1)]; |
159 | 0 | Th = FMA(T3, Tf, T5 * Tg); |
160 | 0 | Tl = FNMS(T5, Tf, T3 * Tg); |
161 | 0 | } |
162 | 0 | { |
163 | 0 | E Tb, Ti, Tn, Tq; |
164 | 0 | Tb = T1 + Ta; |
165 | 0 | Ti = Te + Th; |
166 | 0 | Rm[WS(rs, 1)] = Tb - Ti; |
167 | 0 | Rp[0] = Tb + Ti; |
168 | 0 | Tn = Tk + Tl; |
169 | 0 | Tq = To + Tp; |
170 | 0 | Im[WS(rs, 1)] = Tn - Tq; |
171 | 0 | Ip[0] = Tn + Tq; |
172 | 0 | } |
173 | 0 | { |
174 | 0 | E Tj, Tm, Tr, Ts; |
175 | 0 | Tj = T1 - Ta; |
176 | 0 | Tm = Tk - Tl; |
177 | 0 | Rm[0] = Tj - Tm; |
178 | 0 | Rp[WS(rs, 1)] = Tj + Tm; |
179 | 0 | Tr = Th - Te; |
180 | 0 | Ts = Tp - To; |
181 | 0 | Im[0] = Tr - Ts; |
182 | 0 | Ip[WS(rs, 1)] = Tr + Ts; |
183 | 0 | } |
184 | 0 | } |
185 | 0 | } |
186 | 0 | } |
187 | 0 | } |
188 | | |
189 | | static const tw_instr twinstr[] = { |
190 | | { TW_CEXP, 1, 1 }, |
191 | | { TW_CEXP, 1, 3 }, |
192 | | { TW_NEXT, 1, 0 } |
193 | | }; |
194 | | |
195 | | static const hc2c_desc desc = { 4, "hc2cf2_4", twinstr, &GENUS, { 16, 8, 8, 0 } }; |
196 | | |
197 | 1 | void X(codelet_hc2cf2_4) (planner *p) { |
198 | 1 | X(khc2c_register) (p, hc2cf2_4, &desc, HC2C_VIA_RDFT); |
199 | 1 | } |
200 | | #endif |