Mercurial > hg > js-dsp-test
comparison fft/fftw/fftw-3.3.4/rdft/scalar/r2cf/r2cf_6.c @ 19:26056e866c29
Add FFTW to comparison table
| author | Chris Cannam |
|---|---|
| date | Tue, 06 Oct 2015 13:08:39 +0100 |
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| children |
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| 18:8db794ca3e0b | 19:26056e866c29 |
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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 Tue Mar 4 13:49:07 EST 2014 */ | |
| 23 | |
| 24 #include "codelet-rdft.h" | |
| 25 | |
| 26 #ifdef HAVE_FMA | |
| 27 | |
| 28 /* Generated by: ../../../genfft/gen_r2cf.native -fma -reorder-insns -schedule-for-pipeline -compact -variables 4 -pipeline-latency 4 -n 6 -name r2cf_6 -include r2cf.h */ | |
| 29 | |
| 30 /* | |
| 31 * This function contains 14 FP additions, 4 FP multiplications, | |
| 32 * (or, 12 additions, 2 multiplications, 2 fused multiply/add), | |
| 33 * 13 stack variables, 2 constants, and 12 memory accesses | |
| 34 */ | |
| 35 #include "r2cf.h" | |
| 36 | |
| 37 static void r2cf_6(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs) | |
| 38 { | |
| 39 DK(KP500000000, +0.500000000000000000000000000000000000000000000); | |
| 40 DK(KP866025403, +0.866025403784438646763723170752936183471402627); | |
| 41 { | |
| 42 INT i; | |
| 43 for (i = v; i > 0; i = i - 1, R0 = R0 + ivs, R1 = R1 + ivs, Cr = Cr + ovs, Ci = Ci + ovs, MAKE_VOLATILE_STRIDE(24, rs), MAKE_VOLATILE_STRIDE(24, csr), MAKE_VOLATILE_STRIDE(24, csi)) { | |
| 44 E T4, Td, T3, Tc, T9, T5; | |
| 45 { | |
| 46 E T1, T2, T7, T8; | |
| 47 T1 = R0[0]; | |
| 48 T2 = R1[WS(rs, 1)]; | |
| 49 T7 = R0[WS(rs, 2)]; | |
| 50 T8 = R1[0]; | |
| 51 T4 = R0[WS(rs, 1)]; | |
| 52 Td = T1 + T2; | |
| 53 T3 = T1 - T2; | |
| 54 Tc = T7 + T8; | |
| 55 T9 = T7 - T8; | |
| 56 T5 = R1[WS(rs, 2)]; | |
| 57 } | |
| 58 { | |
| 59 E T6, Tb, Te, Ta; | |
| 60 T6 = T4 - T5; | |
| 61 Tb = T4 + T5; | |
| 62 Te = Tb + Tc; | |
| 63 Ci[WS(csi, 2)] = KP866025403 * (Tb - Tc); | |
| 64 Ta = T6 + T9; | |
| 65 Ci[WS(csi, 1)] = KP866025403 * (T9 - T6); | |
| 66 Cr[0] = Td + Te; | |
| 67 Cr[WS(csr, 2)] = FNMS(KP500000000, Te, Td); | |
| 68 Cr[WS(csr, 3)] = T3 + Ta; | |
| 69 Cr[WS(csr, 1)] = FNMS(KP500000000, Ta, T3); | |
| 70 } | |
| 71 } | |
| 72 } | |
| 73 } | |
| 74 | |
| 75 static const kr2c_desc desc = { 6, "r2cf_6", {12, 2, 2, 0}, &GENUS }; | |
| 76 | |
| 77 void X(codelet_r2cf_6) (planner *p) { | |
| 78 X(kr2c_register) (p, r2cf_6, &desc); | |
| 79 } | |
| 80 | |
| 81 #else /* HAVE_FMA */ | |
| 82 | |
| 83 /* Generated by: ../../../genfft/gen_r2cf.native -compact -variables 4 -pipeline-latency 4 -n 6 -name r2cf_6 -include r2cf.h */ | |
| 84 | |
| 85 /* | |
| 86 * This function contains 14 FP additions, 4 FP multiplications, | |
| 87 * (or, 12 additions, 2 multiplications, 2 fused multiply/add), | |
| 88 * 17 stack variables, 2 constants, and 12 memory accesses | |
| 89 */ | |
| 90 #include "r2cf.h" | |
| 91 | |
| 92 static void r2cf_6(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs) | |
| 93 { | |
| 94 DK(KP500000000, +0.500000000000000000000000000000000000000000000); | |
| 95 DK(KP866025403, +0.866025403784438646763723170752936183471402627); | |
| 96 { | |
| 97 INT i; | |
| 98 for (i = v; i > 0; i = i - 1, R0 = R0 + ivs, R1 = R1 + ivs, Cr = Cr + ovs, Ci = Ci + ovs, MAKE_VOLATILE_STRIDE(24, rs), MAKE_VOLATILE_STRIDE(24, csr), MAKE_VOLATILE_STRIDE(24, csi)) { | |
| 99 E T3, Td, T9, Tc, T6, Tb, T1, T2, Ta, Te; | |
| 100 T1 = R0[0]; | |
| 101 T2 = R1[WS(rs, 1)]; | |
| 102 T3 = T1 - T2; | |
| 103 Td = T1 + T2; | |
| 104 { | |
| 105 E T7, T8, T4, T5; | |
| 106 T7 = R0[WS(rs, 2)]; | |
| 107 T8 = R1[0]; | |
| 108 T9 = T7 - T8; | |
| 109 Tc = T7 + T8; | |
| 110 T4 = R0[WS(rs, 1)]; | |
| 111 T5 = R1[WS(rs, 2)]; | |
| 112 T6 = T4 - T5; | |
| 113 Tb = T4 + T5; | |
| 114 } | |
| 115 Ci[WS(csi, 1)] = KP866025403 * (T9 - T6); | |
| 116 Ta = T6 + T9; | |
| 117 Cr[WS(csr, 1)] = FNMS(KP500000000, Ta, T3); | |
| 118 Cr[WS(csr, 3)] = T3 + Ta; | |
| 119 Ci[WS(csi, 2)] = KP866025403 * (Tb - Tc); | |
| 120 Te = Tb + Tc; | |
| 121 Cr[WS(csr, 2)] = FNMS(KP500000000, Te, Td); | |
| 122 Cr[0] = Td + Te; | |
| 123 } | |
| 124 } | |
| 125 } | |
| 126 | |
| 127 static const kr2c_desc desc = { 6, "r2cf_6", {12, 2, 2, 0}, &GENUS }; | |
| 128 | |
| 129 void X(codelet_r2cf_6) (planner *p) { | |
| 130 X(kr2c_register) (p, r2cf_6, &desc); | |
| 131 } | |
| 132 | |
| 133 #endif /* HAVE_FMA */ |