/src/fftw3/rdft/scalar/r2cf/hc2cf_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 Sun Jun 22 06:43:59 UTC 2025 */ |
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 -n 4 -dit -name hc2cf_4 -include rdft/scalar/hc2cf.h */ |
29 | | |
30 | | /* |
31 | | * This function contains 22 FP additions, 12 FP multiplications, |
32 | | * (or, 16 additions, 6 multiplications, 6 fused multiply/add), |
33 | | * 15 stack variables, 0 constants, and 16 memory accesses |
34 | | */ |
35 | | #include "rdft/scalar/hc2cf.h" |
36 | | |
37 | | static void hc2cf_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) * 6); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 6, MAKE_VOLATILE_STRIDE(16, rs)) { |
42 | | E T1, Tv, T7, Tu, Te, To, Tk, Tq; |
43 | | T1 = Rp[0]; |
44 | | Tv = Rm[0]; |
45 | | { |
46 | | E T3, T6, T4, Tt, T2, T5; |
47 | | T3 = Rp[WS(rs, 1)]; |
48 | | T6 = Rm[WS(rs, 1)]; |
49 | | T2 = W[2]; |
50 | | T4 = T2 * T3; |
51 | | Tt = T2 * T6; |
52 | | T5 = W[3]; |
53 | | T7 = FMA(T5, T6, T4); |
54 | | Tu = FNMS(T5, T3, Tt); |
55 | | } |
56 | | { |
57 | | E Ta, Td, Tb, Tn, T9, Tc; |
58 | | Ta = Ip[0]; |
59 | | Td = Im[0]; |
60 | | T9 = W[0]; |
61 | | Tb = T9 * Ta; |
62 | | Tn = T9 * Td; |
63 | | Tc = W[1]; |
64 | | Te = FMA(Tc, Td, Tb); |
65 | | To = FNMS(Tc, Ta, Tn); |
66 | | } |
67 | | { |
68 | | E Tg, Tj, Th, Tp, Tf, Ti; |
69 | | Tg = Ip[WS(rs, 1)]; |
70 | | Tj = Im[WS(rs, 1)]; |
71 | | Tf = W[4]; |
72 | | Th = Tf * Tg; |
73 | | Tp = Tf * Tj; |
74 | | Ti = W[5]; |
75 | | Tk = FMA(Ti, Tj, Th); |
76 | | Tq = FNMS(Ti, Tg, Tp); |
77 | | } |
78 | | { |
79 | | E T8, Tl, Ts, Tw; |
80 | | T8 = T1 + T7; |
81 | | Tl = Te + Tk; |
82 | | Rm[WS(rs, 1)] = T8 - Tl; |
83 | | Rp[0] = T8 + Tl; |
84 | | Ts = To + Tq; |
85 | | Tw = Tu + Tv; |
86 | | Im[WS(rs, 1)] = Ts - Tw; |
87 | | Ip[0] = Ts + Tw; |
88 | | } |
89 | | { |
90 | | E Tm, Tr, Tx, Ty; |
91 | | Tm = T1 - T7; |
92 | | Tr = To - Tq; |
93 | | Rm[0] = Tm - Tr; |
94 | | Rp[WS(rs, 1)] = Tm + Tr; |
95 | | Tx = Tk - Te; |
96 | | Ty = Tv - Tu; |
97 | | Im[0] = Tx - Ty; |
98 | | Ip[WS(rs, 1)] = Tx + Ty; |
99 | | } |
100 | | } |
101 | | } |
102 | | } |
103 | | |
104 | | static const tw_instr twinstr[] = { |
105 | | { TW_FULL, 1, 4 }, |
106 | | { TW_NEXT, 1, 0 } |
107 | | }; |
108 | | |
109 | | static const hc2c_desc desc = { 4, "hc2cf_4", twinstr, &GENUS, { 16, 6, 6, 0 } }; |
110 | | |
111 | | void X(codelet_hc2cf_4) (planner *p) { |
112 | | X(khc2c_register) (p, hc2cf_4, &desc, HC2C_VIA_RDFT); |
113 | | } |
114 | | #else |
115 | | |
116 | | /* Generated by: ../../../genfft/gen_hc2c.native -compact -variables 4 -pipeline-latency 4 -n 4 -dit -name hc2cf_4 -include rdft/scalar/hc2cf.h */ |
117 | | |
118 | | /* |
119 | | * This function contains 22 FP additions, 12 FP multiplications, |
120 | | * (or, 16 additions, 6 multiplications, 6 fused multiply/add), |
121 | | * 13 stack variables, 0 constants, and 16 memory accesses |
122 | | */ |
123 | | #include "rdft/scalar/hc2cf.h" |
124 | | |
125 | | static void hc2cf_4(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms) |
126 | 0 | { |
127 | 0 | { |
128 | 0 | INT m; |
129 | 0 | for (m = mb, W = W + ((mb - 1) * 6); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 6, MAKE_VOLATILE_STRIDE(16, rs)) { |
130 | 0 | E T1, Tp, T6, To, Tc, Tk, Th, Tl; |
131 | 0 | T1 = Rp[0]; |
132 | 0 | Tp = Rm[0]; |
133 | 0 | { |
134 | 0 | E T3, T5, T2, T4; |
135 | 0 | T3 = Rp[WS(rs, 1)]; |
136 | 0 | T5 = Rm[WS(rs, 1)]; |
137 | 0 | T2 = W[2]; |
138 | 0 | T4 = W[3]; |
139 | 0 | T6 = FMA(T2, T3, T4 * T5); |
140 | 0 | To = FNMS(T4, T3, T2 * T5); |
141 | 0 | } |
142 | 0 | { |
143 | 0 | E T9, Tb, T8, Ta; |
144 | 0 | T9 = Ip[0]; |
145 | 0 | Tb = Im[0]; |
146 | 0 | T8 = W[0]; |
147 | 0 | Ta = W[1]; |
148 | 0 | Tc = FMA(T8, T9, Ta * Tb); |
149 | 0 | Tk = FNMS(Ta, T9, T8 * Tb); |
150 | 0 | } |
151 | 0 | { |
152 | 0 | E Te, Tg, Td, Tf; |
153 | 0 | Te = Ip[WS(rs, 1)]; |
154 | 0 | Tg = Im[WS(rs, 1)]; |
155 | 0 | Td = W[4]; |
156 | 0 | Tf = W[5]; |
157 | 0 | Th = FMA(Td, Te, Tf * Tg); |
158 | 0 | Tl = FNMS(Tf, Te, Td * Tg); |
159 | 0 | } |
160 | 0 | { |
161 | 0 | E T7, Ti, Tn, Tq; |
162 | 0 | T7 = T1 + T6; |
163 | 0 | Ti = Tc + Th; |
164 | 0 | Rm[WS(rs, 1)] = T7 - Ti; |
165 | 0 | Rp[0] = T7 + Ti; |
166 | 0 | Tn = Tk + Tl; |
167 | 0 | Tq = To + Tp; |
168 | 0 | Im[WS(rs, 1)] = Tn - Tq; |
169 | 0 | Ip[0] = Tn + Tq; |
170 | 0 | } |
171 | 0 | { |
172 | 0 | E Tj, Tm, Tr, Ts; |
173 | 0 | Tj = T1 - T6; |
174 | 0 | Tm = Tk - Tl; |
175 | 0 | Rm[0] = Tj - Tm; |
176 | 0 | Rp[WS(rs, 1)] = Tj + Tm; |
177 | 0 | Tr = Th - Tc; |
178 | 0 | Ts = Tp - To; |
179 | 0 | Im[0] = Tr - Ts; |
180 | 0 | Ip[WS(rs, 1)] = Tr + Ts; |
181 | 0 | } |
182 | 0 | } |
183 | 0 | } |
184 | 0 | } |
185 | | |
186 | | static const tw_instr twinstr[] = { |
187 | | { TW_FULL, 1, 4 }, |
188 | | { TW_NEXT, 1, 0 } |
189 | | }; |
190 | | |
191 | | static const hc2c_desc desc = { 4, "hc2cf_4", twinstr, &GENUS, { 16, 6, 6, 0 } }; |
192 | | |
193 | 1 | void X(codelet_hc2cf_4) (planner *p) { |
194 | 1 | X(khc2c_register) (p, hc2cf_4, &desc, HC2C_VIA_RDFT); |
195 | 1 | } |
196 | | #endif |