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annotate src/fftw-3.3.5/rdft/scalar/r2cf/r2cf_8.c @ 84:08ae793730bd

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Add null config files
author Chris Cannam
date Mon, 02 Mar 2020 14:03:47 +0000
parents 2cd0e3b3e1fd
children
rev   line source
Chris@42 1 /*
Chris@42 2 * Copyright (c) 2003, 2007-14 Matteo Frigo
Chris@42 3 * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
Chris@42 4 *
Chris@42 5 * This program is free software; you can redistribute it and/or modify
Chris@42 6 * it under the terms of the GNU General Public License as published by
Chris@42 7 * the Free Software Foundation; either version 2 of the License, or
Chris@42 8 * (at your option) any later version.
Chris@42 9 *
Chris@42 10 * This program is distributed in the hope that it will be useful,
Chris@42 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@42 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Chris@42 13 * GNU General Public License for more details.
Chris@42 14 *
Chris@42 15 * You should have received a copy of the GNU General Public License
Chris@42 16 * along with this program; if not, write to the Free Software
Chris@42 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Chris@42 18 *
Chris@42 19 */
Chris@42 20
Chris@42 21 /* This file was automatically generated --- DO NOT EDIT */
Chris@42 22 /* Generated on Sat Jul 30 16:46:03 EDT 2016 */
Chris@42 23
Chris@42 24 #include "codelet-rdft.h"
Chris@42 25
Chris@42 26 #ifdef HAVE_FMA
Chris@42 27
Chris@42 28 /* Generated by: ../../../genfft/gen_r2cf.native -fma -reorder-insns -schedule-for-pipeline -compact -variables 4 -pipeline-latency 4 -n 8 -name r2cf_8 -include r2cf.h */
Chris@42 29
Chris@42 30 /*
Chris@42 31 * This function contains 20 FP additions, 4 FP multiplications,
Chris@42 32 * (or, 16 additions, 0 multiplications, 4 fused multiply/add),
Chris@42 33 * 18 stack variables, 1 constants, and 16 memory accesses
Chris@42 34 */
Chris@42 35 #include "r2cf.h"
Chris@42 36
Chris@42 37 static void r2cf_8(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
Chris@42 38 {
Chris@42 39 DK(KP707106781, +0.707106781186547524400844362104849039284835938);
Chris@42 40 {
Chris@42 41 INT i;
Chris@42 42 for (i = v; i > 0; i = i - 1, R0 = R0 + ivs, R1 = R1 + ivs, Cr = Cr + ovs, Ci = Ci + ovs, MAKE_VOLATILE_STRIDE(32, rs), MAKE_VOLATILE_STRIDE(32, csr), MAKE_VOLATILE_STRIDE(32, csi)) {
Chris@42 43 E T4, T7, T3, Tj, Td, T5, T8, T9;
Chris@42 44 {
Chris@42 45 E T1, T2, Tb, Tc;
Chris@42 46 T1 = R0[0];
Chris@42 47 T2 = R0[WS(rs, 2)];
Chris@42 48 Tb = R1[WS(rs, 3)];
Chris@42 49 Tc = R1[WS(rs, 1)];
Chris@42 50 T4 = R0[WS(rs, 1)];
Chris@42 51 T7 = T1 - T2;
Chris@42 52 T3 = T1 + T2;
Chris@42 53 Tj = Tb + Tc;
Chris@42 54 Td = Tb - Tc;
Chris@42 55 T5 = R0[WS(rs, 3)];
Chris@42 56 T8 = R1[0];
Chris@42 57 T9 = R1[WS(rs, 2)];
Chris@42 58 }
Chris@42 59 {
Chris@42 60 E T6, Tf, Ta, Ti;
Chris@42 61 T6 = T4 + T5;
Chris@42 62 Tf = T4 - T5;
Chris@42 63 Ta = T8 - T9;
Chris@42 64 Ti = T8 + T9;
Chris@42 65 {
Chris@42 66 E Th, Tk, Te, Tg;
Chris@42 67 Th = T3 + T6;
Chris@42 68 Cr[WS(csr, 2)] = T3 - T6;
Chris@42 69 Tk = Ti + Tj;
Chris@42 70 Ci[WS(csi, 2)] = Tj - Ti;
Chris@42 71 Te = Ta + Td;
Chris@42 72 Tg = Td - Ta;
Chris@42 73 Cr[0] = Th + Tk;
Chris@42 74 Cr[WS(csr, 4)] = Th - Tk;
Chris@42 75 Ci[WS(csi, 3)] = FMA(KP707106781, Tg, Tf);
Chris@42 76 Ci[WS(csi, 1)] = FMS(KP707106781, Tg, Tf);
Chris@42 77 Cr[WS(csr, 1)] = FMA(KP707106781, Te, T7);
Chris@42 78 Cr[WS(csr, 3)] = FNMS(KP707106781, Te, T7);
Chris@42 79 }
Chris@42 80 }
Chris@42 81 }
Chris@42 82 }
Chris@42 83 }
Chris@42 84
Chris@42 85 static const kr2c_desc desc = { 8, "r2cf_8", {16, 0, 4, 0}, &GENUS };
Chris@42 86
Chris@42 87 void X(codelet_r2cf_8) (planner *p) {
Chris@42 88 X(kr2c_register) (p, r2cf_8, &desc);
Chris@42 89 }
Chris@42 90
Chris@42 91 #else /* HAVE_FMA */
Chris@42 92
Chris@42 93 /* Generated by: ../../../genfft/gen_r2cf.native -compact -variables 4 -pipeline-latency 4 -n 8 -name r2cf_8 -include r2cf.h */
Chris@42 94
Chris@42 95 /*
Chris@42 96 * This function contains 20 FP additions, 2 FP multiplications,
Chris@42 97 * (or, 20 additions, 2 multiplications, 0 fused multiply/add),
Chris@42 98 * 14 stack variables, 1 constants, and 16 memory accesses
Chris@42 99 */
Chris@42 100 #include "r2cf.h"
Chris@42 101
Chris@42 102 static void r2cf_8(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
Chris@42 103 {
Chris@42 104 DK(KP707106781, +0.707106781186547524400844362104849039284835938);
Chris@42 105 {
Chris@42 106 INT i;
Chris@42 107 for (i = v; i > 0; i = i - 1, R0 = R0 + ivs, R1 = R1 + ivs, Cr = Cr + ovs, Ci = Ci + ovs, MAKE_VOLATILE_STRIDE(32, rs), MAKE_VOLATILE_STRIDE(32, csr), MAKE_VOLATILE_STRIDE(32, csi)) {
Chris@42 108 E T3, T7, Td, Tj, T6, Tg, Ta, Ti;
Chris@42 109 {
Chris@42 110 E T1, T2, Tb, Tc;
Chris@42 111 T1 = R0[0];
Chris@42 112 T2 = R0[WS(rs, 2)];
Chris@42 113 T3 = T1 + T2;
Chris@42 114 T7 = T1 - T2;
Chris@42 115 Tb = R1[WS(rs, 3)];
Chris@42 116 Tc = R1[WS(rs, 1)];
Chris@42 117 Td = Tb - Tc;
Chris@42 118 Tj = Tb + Tc;
Chris@42 119 }
Chris@42 120 {
Chris@42 121 E T4, T5, T8, T9;
Chris@42 122 T4 = R0[WS(rs, 1)];
Chris@42 123 T5 = R0[WS(rs, 3)];
Chris@42 124 T6 = T4 + T5;
Chris@42 125 Tg = T4 - T5;
Chris@42 126 T8 = R1[0];
Chris@42 127 T9 = R1[WS(rs, 2)];
Chris@42 128 Ta = T8 - T9;
Chris@42 129 Ti = T8 + T9;
Chris@42 130 }
Chris@42 131 Cr[WS(csr, 2)] = T3 - T6;
Chris@42 132 Ci[WS(csi, 2)] = Tj - Ti;
Chris@42 133 {
Chris@42 134 E Te, Tf, Th, Tk;
Chris@42 135 Te = KP707106781 * (Ta + Td);
Chris@42 136 Cr[WS(csr, 3)] = T7 - Te;
Chris@42 137 Cr[WS(csr, 1)] = T7 + Te;
Chris@42 138 Tf = KP707106781 * (Td - Ta);
Chris@42 139 Ci[WS(csi, 1)] = Tf - Tg;
Chris@42 140 Ci[WS(csi, 3)] = Tg + Tf;
Chris@42 141 Th = T3 + T6;
Chris@42 142 Tk = Ti + Tj;
Chris@42 143 Cr[WS(csr, 4)] = Th - Tk;
Chris@42 144 Cr[0] = Th + Tk;
Chris@42 145 }
Chris@42 146 }
Chris@42 147 }
Chris@42 148 }
Chris@42 149
Chris@42 150 static const kr2c_desc desc = { 8, "r2cf_8", {20, 2, 0, 0}, &GENUS };
Chris@42 151
Chris@42 152 void X(codelet_r2cf_8) (planner *p) {
Chris@42 153 X(kr2c_register) (p, r2cf_8, &desc);
Chris@42 154 }
Chris@42 155
Chris@42 156 #endif /* HAVE_FMA */