Mercurial > hg > sv-dependency-builds
comparison src/fftw-3.3.8/rdft/scalar/r2cf/r2cfII_10.c @ 82:d0c2a83c1364
Add FFTW 3.3.8 source, and a Linux build
| author | Chris Cannam |
|---|---|
| date | Tue, 19 Nov 2019 14:52:55 +0000 |
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| children |
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| 81:7029a4916348 | 82:d0c2a83c1364 |
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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 Thu May 24 08:06:43 EDT 2018 */ | |
| 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_r2cf.native -fma -compact -variables 4 -pipeline-latency 4 -n 10 -name r2cfII_10 -dft-II -include rdft/scalar/r2cfII.h */ | |
| 29 | |
| 30 /* | |
| 31 * This function contains 32 FP additions, 18 FP multiplications, | |
| 32 * (or, 14 additions, 0 multiplications, 18 fused multiply/add), | |
| 33 * 21 stack variables, 4 constants, and 20 memory accesses | |
| 34 */ | |
| 35 #include "rdft/scalar/r2cfII.h" | |
| 36 | |
| 37 static void r2cfII_10(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs) | |
| 38 { | |
| 39 DK(KP951056516, +0.951056516295153572116439333379382143405698634); | |
| 40 DK(KP559016994, +0.559016994374947424102293417182819058860154590); | |
| 41 DK(KP250000000, +0.250000000000000000000000000000000000000000000); | |
| 42 DK(KP618033988, +0.618033988749894848204586834365638117720309180); | |
| 43 { | |
| 44 INT i; | |
| 45 for (i = v; i > 0; i = i - 1, R0 = R0 + ivs, R1 = R1 + ivs, Cr = Cr + ovs, Ci = Ci + ovs, MAKE_VOLATILE_STRIDE(40, rs), MAKE_VOLATILE_STRIDE(40, csr), MAKE_VOLATILE_STRIDE(40, csi)) { | |
| 46 E T1, To, T8, Tt, Ta, Ts, Te, Tq, Th, Tn; | |
| 47 T1 = R0[0]; | |
| 48 To = R1[WS(rs, 2)]; | |
| 49 { | |
| 50 E T2, T3, T4, T5, T6, T7; | |
| 51 T2 = R0[WS(rs, 2)]; | |
| 52 T3 = R0[WS(rs, 3)]; | |
| 53 T4 = T2 - T3; | |
| 54 T5 = R0[WS(rs, 4)]; | |
| 55 T6 = R0[WS(rs, 1)]; | |
| 56 T7 = T5 - T6; | |
| 57 T8 = T4 + T7; | |
| 58 Tt = T5 + T6; | |
| 59 Ta = T4 - T7; | |
| 60 Ts = T2 + T3; | |
| 61 } | |
| 62 { | |
| 63 E Tc, Td, Tm, Tf, Tg, Tl; | |
| 64 Tc = R1[0]; | |
| 65 Td = R1[WS(rs, 4)]; | |
| 66 Tm = Tc + Td; | |
| 67 Tf = R1[WS(rs, 1)]; | |
| 68 Tg = R1[WS(rs, 3)]; | |
| 69 Tl = Tf + Tg; | |
| 70 Te = Tc - Td; | |
| 71 Tq = Tm + Tl; | |
| 72 Th = Tf - Tg; | |
| 73 Tn = Tl - Tm; | |
| 74 } | |
| 75 Cr[WS(csr, 2)] = T1 + T8; | |
| 76 Ci[WS(csi, 2)] = Tn - To; | |
| 77 { | |
| 78 E Ti, Tk, Tb, Tj, T9; | |
| 79 Ti = FMA(KP618033988, Th, Te); | |
| 80 Tk = FNMS(KP618033988, Te, Th); | |
| 81 T9 = FNMS(KP250000000, T8, T1); | |
| 82 Tb = FMA(KP559016994, Ta, T9); | |
| 83 Tj = FNMS(KP559016994, Ta, T9); | |
| 84 Cr[WS(csr, 4)] = FNMS(KP951056516, Ti, Tb); | |
| 85 Cr[WS(csr, 3)] = FMA(KP951056516, Tk, Tj); | |
| 86 Cr[0] = FMA(KP951056516, Ti, Tb); | |
| 87 Cr[WS(csr, 1)] = FNMS(KP951056516, Tk, Tj); | |
| 88 } | |
| 89 { | |
| 90 E Tu, Tw, Tr, Tv, Tp; | |
| 91 Tu = FMA(KP618033988, Tt, Ts); | |
| 92 Tw = FNMS(KP618033988, Ts, Tt); | |
| 93 Tp = FMA(KP250000000, Tn, To); | |
| 94 Tr = FMA(KP559016994, Tq, Tp); | |
| 95 Tv = FNMS(KP559016994, Tq, Tp); | |
| 96 Ci[0] = -(FMA(KP951056516, Tu, Tr)); | |
| 97 Ci[WS(csi, 3)] = FMA(KP951056516, Tw, Tv); | |
| 98 Ci[WS(csi, 4)] = FMS(KP951056516, Tu, Tr); | |
| 99 Ci[WS(csi, 1)] = FNMS(KP951056516, Tw, Tv); | |
| 100 } | |
| 101 } | |
| 102 } | |
| 103 } | |
| 104 | |
| 105 static const kr2c_desc desc = { 10, "r2cfII_10", {14, 0, 18, 0}, &GENUS }; | |
| 106 | |
| 107 void X(codelet_r2cfII_10) (planner *p) { | |
| 108 X(kr2c_register) (p, r2cfII_10, &desc); | |
| 109 } | |
| 110 | |
| 111 #else | |
| 112 | |
| 113 /* Generated by: ../../../genfft/gen_r2cf.native -compact -variables 4 -pipeline-latency 4 -n 10 -name r2cfII_10 -dft-II -include rdft/scalar/r2cfII.h */ | |
| 114 | |
| 115 /* | |
| 116 * This function contains 32 FP additions, 12 FP multiplications, | |
| 117 * (or, 26 additions, 6 multiplications, 6 fused multiply/add), | |
| 118 * 21 stack variables, 4 constants, and 20 memory accesses | |
| 119 */ | |
| 120 #include "rdft/scalar/r2cfII.h" | |
| 121 | |
| 122 static void r2cfII_10(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs) | |
| 123 { | |
| 124 DK(KP250000000, +0.250000000000000000000000000000000000000000000); | |
| 125 DK(KP587785252, +0.587785252292473129168705954639072768597652438); | |
| 126 DK(KP951056516, +0.951056516295153572116439333379382143405698634); | |
| 127 DK(KP559016994, +0.559016994374947424102293417182819058860154590); | |
| 128 { | |
| 129 INT i; | |
| 130 for (i = v; i > 0; i = i - 1, R0 = R0 + ivs, R1 = R1 + ivs, Cr = Cr + ovs, Ci = Ci + ovs, MAKE_VOLATILE_STRIDE(40, rs), MAKE_VOLATILE_STRIDE(40, csr), MAKE_VOLATILE_STRIDE(40, csi)) { | |
| 131 E T1, To, T8, Tq, T9, Tp, Te, Ts, Th, Tn; | |
| 132 T1 = R0[0]; | |
| 133 To = R1[WS(rs, 2)]; | |
| 134 { | |
| 135 E T2, T3, T4, T5, T6, T7; | |
| 136 T2 = R0[WS(rs, 2)]; | |
| 137 T3 = R0[WS(rs, 3)]; | |
| 138 T4 = T2 - T3; | |
| 139 T5 = R0[WS(rs, 4)]; | |
| 140 T6 = R0[WS(rs, 1)]; | |
| 141 T7 = T5 - T6; | |
| 142 T8 = T4 + T7; | |
| 143 Tq = T5 + T6; | |
| 144 T9 = KP559016994 * (T4 - T7); | |
| 145 Tp = T2 + T3; | |
| 146 } | |
| 147 { | |
| 148 E Tc, Td, Tm, Tf, Tg, Tl; | |
| 149 Tc = R1[0]; | |
| 150 Td = R1[WS(rs, 4)]; | |
| 151 Tm = Tc + Td; | |
| 152 Tf = R1[WS(rs, 1)]; | |
| 153 Tg = R1[WS(rs, 3)]; | |
| 154 Tl = Tf + Tg; | |
| 155 Te = Tc - Td; | |
| 156 Ts = KP559016994 * (Tm + Tl); | |
| 157 Th = Tf - Tg; | |
| 158 Tn = Tl - Tm; | |
| 159 } | |
| 160 Cr[WS(csr, 2)] = T1 + T8; | |
| 161 Ci[WS(csi, 2)] = Tn - To; | |
| 162 { | |
| 163 E Ti, Tk, Tb, Tj, Ta; | |
| 164 Ti = FMA(KP951056516, Te, KP587785252 * Th); | |
| 165 Tk = FNMS(KP587785252, Te, KP951056516 * Th); | |
| 166 Ta = FNMS(KP250000000, T8, T1); | |
| 167 Tb = T9 + Ta; | |
| 168 Tj = Ta - T9; | |
| 169 Cr[WS(csr, 4)] = Tb - Ti; | |
| 170 Cr[WS(csr, 3)] = Tj + Tk; | |
| 171 Cr[0] = Tb + Ti; | |
| 172 Cr[WS(csr, 1)] = Tj - Tk; | |
| 173 } | |
| 174 { | |
| 175 E Tr, Tw, Tu, Tv, Tt; | |
| 176 Tr = FMA(KP951056516, Tp, KP587785252 * Tq); | |
| 177 Tw = FNMS(KP587785252, Tp, KP951056516 * Tq); | |
| 178 Tt = FMA(KP250000000, Tn, To); | |
| 179 Tu = Ts + Tt; | |
| 180 Tv = Tt - Ts; | |
| 181 Ci[0] = -(Tr + Tu); | |
| 182 Ci[WS(csi, 3)] = Tw + Tv; | |
| 183 Ci[WS(csi, 4)] = Tr - Tu; | |
| 184 Ci[WS(csi, 1)] = Tv - Tw; | |
| 185 } | |
| 186 } | |
| 187 } | |
| 188 } | |
| 189 | |
| 190 static const kr2c_desc desc = { 10, "r2cfII_10", {26, 6, 6, 0}, &GENUS }; | |
| 191 | |
| 192 void X(codelet_r2cfII_10) (planner *p) { | |
| 193 X(kr2c_register) (p, r2cfII_10, &desc); | |
| 194 } | |
| 195 | |
| 196 #endif |