Mercurial > hg > sv-dependency-builds
diff src/fftw-3.3.3/dft/scalar/codelets/n1_12.c @ 10:37bf6b4a2645
Add FFTW3
| author | Chris Cannam |
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| date | Wed, 20 Mar 2013 15:35:50 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/fftw-3.3.3/dft/scalar/codelets/n1_12.c Wed Mar 20 15:35:50 2013 +0000 @@ -0,0 +1,401 @@ +/* + * Copyright (c) 2003, 2007-11 Matteo Frigo + * Copyright (c) 2003, 2007-11 Massachusetts Institute of Technology + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +/* This file was automatically generated --- DO NOT EDIT */ +/* Generated on Sun Nov 25 07:35:43 EST 2012 */ + +#include "codelet-dft.h" + +#ifdef HAVE_FMA + +/* Generated by: ../../../genfft/gen_notw.native -fma -reorder-insns -schedule-for-pipeline -compact -variables 4 -pipeline-latency 4 -n 12 -name n1_12 -include n.h */ + +/* + * This function contains 96 FP additions, 24 FP multiplications, + * (or, 72 additions, 0 multiplications, 24 fused multiply/add), + * 63 stack variables, 2 constants, and 48 memory accesses + */ +#include "n.h" + +static void n1_12(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs) +{ + DK(KP866025403, +0.866025403784438646763723170752936183471402627); + DK(KP500000000, +0.500000000000000000000000000000000000000000000); + { + INT i; + for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, ro = ro + ovs, io = io + ovs, MAKE_VOLATILE_STRIDE(48, is), MAKE_VOLATILE_STRIDE(48, os)) { + E TT, TW, TF, T1q, TY, TQ, TX, T1n; + { + E TA, TS, TR, T5, Ts, Tz, TD, TV, TU, Ta, Tx, TC, T1d, Th, TJ; + E TG, Tg, T1u, T1c, T1f, TM, TN, Tk, T1i; + { + E T6, Tt, Tu, Tv, T9; + { + E T1, To, Tp, Tq, T4, T2, T3, T7, T8, Tr; + T1 = ri[0]; + T2 = ri[WS(is, 4)]; + T3 = ri[WS(is, 8)]; + To = ii[0]; + Tp = ii[WS(is, 4)]; + Tq = ii[WS(is, 8)]; + T4 = T2 + T3; + TA = T3 - T2; + T6 = ri[WS(is, 6)]; + TS = Tp - Tq; + Tr = Tp + Tq; + TR = FNMS(KP500000000, T4, T1); + T5 = T1 + T4; + T7 = ri[WS(is, 10)]; + Ts = To + Tr; + Tz = FNMS(KP500000000, Tr, To); + T8 = ri[WS(is, 2)]; + Tt = ii[WS(is, 6)]; + Tu = ii[WS(is, 10)]; + Tv = ii[WS(is, 2)]; + T9 = T7 + T8; + TD = T8 - T7; + } + { + E Tc, T1a, TH, TI, Tf, Td, Te, Tw, Ti, Tj, T1b; + Tc = ri[WS(is, 3)]; + TV = Tu - Tv; + Tw = Tu + Tv; + TU = FNMS(KP500000000, T9, T6); + Ta = T6 + T9; + Td = ri[WS(is, 7)]; + Tx = Tt + Tw; + TC = FNMS(KP500000000, Tw, Tt); + Te = ri[WS(is, 11)]; + T1a = ii[WS(is, 3)]; + TH = ii[WS(is, 7)]; + TI = ii[WS(is, 11)]; + Tf = Td + Te; + T1d = Te - Td; + Th = ri[WS(is, 9)]; + TJ = TH - TI; + T1b = TH + TI; + TG = FNMS(KP500000000, Tf, Tc); + Tg = Tc + Tf; + Ti = ri[WS(is, 1)]; + T1u = T1a + T1b; + T1c = FNMS(KP500000000, T1b, T1a); + Tj = ri[WS(is, 5)]; + T1f = ii[WS(is, 9)]; + TM = ii[WS(is, 1)]; + TN = ii[WS(is, 5)]; + Tk = Ti + Tj; + T1i = Tj - Ti; + } + } + { + E T1t, TO, TL, T1h, T1w, Tb, T1g, Tl; + T1t = T5 - Ta; + Tb = T5 + Ta; + TO = TM - TN; + T1g = TM + TN; + TL = FNMS(KP500000000, Tk, Th); + Tl = Th + Tk; + { + E T1x, Ty, T1v, Tn, Tm, T1y; + T1x = Ts + Tx; + Ty = Ts - Tx; + T1v = T1f + T1g; + T1h = FNMS(KP500000000, T1g, T1f); + Tn = Tg - Tl; + Tm = Tg + Tl; + T1y = T1u + T1v; + T1w = T1u - T1v; + ro[0] = Tb + Tm; + ro[WS(os, 6)] = Tb - Tm; + io[WS(os, 3)] = Tn + Ty; + io[0] = T1x + T1y; + io[WS(os, 6)] = T1x - T1y; + io[WS(os, 9)] = Ty - Tn; + } + { + E TB, TE, T1o, T11, T1p, TK, TP, T15, T1k, T18, T14, T16, T1l, T1m; + { + E T1e, T1j, TZ, T10, T12, T13; + TB = FNMS(KP866025403, TA, Tz); + TZ = FMA(KP866025403, TA, Tz); + T10 = FMA(KP866025403, TD, TC); + TE = FNMS(KP866025403, TD, TC); + T1o = FNMS(KP866025403, T1d, T1c); + T1e = FMA(KP866025403, T1d, T1c); + ro[WS(os, 9)] = T1t + T1w; + ro[WS(os, 3)] = T1t - T1w; + T1l = TZ + T10; + T11 = TZ - T10; + T1j = FMA(KP866025403, T1i, T1h); + T1p = FNMS(KP866025403, T1i, T1h); + TK = FNMS(KP866025403, TJ, TG); + T12 = FMA(KP866025403, TJ, TG); + T13 = FMA(KP866025403, TO, TL); + TP = FNMS(KP866025403, TO, TL); + TT = FNMS(KP866025403, TS, TR); + T15 = FMA(KP866025403, TS, TR); + T1m = T1e + T1j; + T1k = T1e - T1j; + T18 = T12 + T13; + T14 = T12 - T13; + T16 = FMA(KP866025403, TV, TU); + TW = FNMS(KP866025403, TV, TU); + } + io[WS(os, 10)] = T1l - T1m; + io[WS(os, 4)] = T1l + T1m; + io[WS(os, 7)] = T11 + T14; + io[WS(os, 1)] = T11 - T14; + { + E T17, T19, T1r, T1s; + T17 = T15 + T16; + T19 = T15 - T16; + ro[WS(os, 7)] = T19 - T1k; + ro[WS(os, 1)] = T19 + T1k; + ro[WS(os, 4)] = T17 + T18; + ro[WS(os, 10)] = T17 - T18; + T1r = TB + TE; + TF = TB - TE; + T1s = T1o + T1p; + T1q = T1o - T1p; + TY = TK + TP; + TQ = TK - TP; + io[WS(os, 2)] = T1r - T1s; + io[WS(os, 8)] = T1r + T1s; + } + } + } + } + io[WS(os, 11)] = TF + TQ; + io[WS(os, 5)] = TF - TQ; + TX = TT + TW; + T1n = TT - TW; + ro[WS(os, 11)] = T1n - T1q; + ro[WS(os, 5)] = T1n + T1q; + ro[WS(os, 8)] = TX + TY; + ro[WS(os, 2)] = TX - TY; + } + } +} + +static const kdft_desc desc = { 12, "n1_12", {72, 0, 24, 0}, &GENUS, 0, 0, 0, 0 }; + +void X(codelet_n1_12) (planner *p) { + X(kdft_register) (p, n1_12, &desc); +} + +#else /* HAVE_FMA */ + +/* Generated by: ../../../genfft/gen_notw.native -compact -variables 4 -pipeline-latency 4 -n 12 -name n1_12 -include n.h */ + +/* + * This function contains 96 FP additions, 16 FP multiplications, + * (or, 88 additions, 8 multiplications, 8 fused multiply/add), + * 43 stack variables, 2 constants, and 48 memory accesses + */ +#include "n.h" + +static void n1_12(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs) +{ + DK(KP866025403, +0.866025403784438646763723170752936183471402627); + DK(KP500000000, +0.500000000000000000000000000000000000000000000); + { + INT i; + for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, ro = ro + ovs, io = io + ovs, MAKE_VOLATILE_STRIDE(48, is), MAKE_VOLATILE_STRIDE(48, os)) { + E T5, TR, TA, Ts, TS, Tz, Ta, TU, TD, Tx, TV, TC, Tg, T1a, TG; + E TJ, T1u, T1d, Tl, T1f, TL, TO, T1v, T1i; + { + E T1, T2, T3, T4; + T1 = ri[0]; + T2 = ri[WS(is, 4)]; + T3 = ri[WS(is, 8)]; + T4 = T2 + T3; + T5 = T1 + T4; + TR = FNMS(KP500000000, T4, T1); + TA = KP866025403 * (T3 - T2); + } + { + E To, Tp, Tq, Tr; + To = ii[0]; + Tp = ii[WS(is, 4)]; + Tq = ii[WS(is, 8)]; + Tr = Tp + Tq; + Ts = To + Tr; + TS = KP866025403 * (Tp - Tq); + Tz = FNMS(KP500000000, Tr, To); + } + { + E T6, T7, T8, T9; + T6 = ri[WS(is, 6)]; + T7 = ri[WS(is, 10)]; + T8 = ri[WS(is, 2)]; + T9 = T7 + T8; + Ta = T6 + T9; + TU = FNMS(KP500000000, T9, T6); + TD = KP866025403 * (T8 - T7); + } + { + E Tt, Tu, Tv, Tw; + Tt = ii[WS(is, 6)]; + Tu = ii[WS(is, 10)]; + Tv = ii[WS(is, 2)]; + Tw = Tu + Tv; + Tx = Tt + Tw; + TV = KP866025403 * (Tu - Tv); + TC = FNMS(KP500000000, Tw, Tt); + } + { + E Tc, Td, Te, Tf; + Tc = ri[WS(is, 3)]; + Td = ri[WS(is, 7)]; + Te = ri[WS(is, 11)]; + Tf = Td + Te; + Tg = Tc + Tf; + T1a = KP866025403 * (Te - Td); + TG = FNMS(KP500000000, Tf, Tc); + } + { + E T1b, TH, TI, T1c; + T1b = ii[WS(is, 3)]; + TH = ii[WS(is, 7)]; + TI = ii[WS(is, 11)]; + T1c = TH + TI; + TJ = KP866025403 * (TH - TI); + T1u = T1b + T1c; + T1d = FNMS(KP500000000, T1c, T1b); + } + { + E Th, Ti, Tj, Tk; + Th = ri[WS(is, 9)]; + Ti = ri[WS(is, 1)]; + Tj = ri[WS(is, 5)]; + Tk = Ti + Tj; + Tl = Th + Tk; + T1f = KP866025403 * (Tj - Ti); + TL = FNMS(KP500000000, Tk, Th); + } + { + E T1g, TM, TN, T1h; + T1g = ii[WS(is, 9)]; + TM = ii[WS(is, 1)]; + TN = ii[WS(is, 5)]; + T1h = TM + TN; + TO = KP866025403 * (TM - TN); + T1v = T1g + T1h; + T1i = FNMS(KP500000000, T1h, T1g); + } + { + E Tb, Tm, T1t, T1w; + Tb = T5 + Ta; + Tm = Tg + Tl; + ro[WS(os, 6)] = Tb - Tm; + ro[0] = Tb + Tm; + { + E T1x, T1y, Tn, Ty; + T1x = Ts + Tx; + T1y = T1u + T1v; + io[WS(os, 6)] = T1x - T1y; + io[0] = T1x + T1y; + Tn = Tg - Tl; + Ty = Ts - Tx; + io[WS(os, 3)] = Tn + Ty; + io[WS(os, 9)] = Ty - Tn; + } + T1t = T5 - Ta; + T1w = T1u - T1v; + ro[WS(os, 3)] = T1t - T1w; + ro[WS(os, 9)] = T1t + T1w; + { + E T11, T1l, T1k, T1m, T14, T18, T17, T19; + { + E TZ, T10, T1e, T1j; + TZ = TA + Tz; + T10 = TD + TC; + T11 = TZ - T10; + T1l = TZ + T10; + T1e = T1a + T1d; + T1j = T1f + T1i; + T1k = T1e - T1j; + T1m = T1e + T1j; + } + { + E T12, T13, T15, T16; + T12 = TG + TJ; + T13 = TL + TO; + T14 = T12 - T13; + T18 = T12 + T13; + T15 = TR + TS; + T16 = TU + TV; + T17 = T15 + T16; + T19 = T15 - T16; + } + io[WS(os, 1)] = T11 - T14; + ro[WS(os, 1)] = T19 + T1k; + io[WS(os, 7)] = T11 + T14; + ro[WS(os, 7)] = T19 - T1k; + ro[WS(os, 10)] = T17 - T18; + io[WS(os, 10)] = T1l - T1m; + ro[WS(os, 4)] = T17 + T18; + io[WS(os, 4)] = T1l + T1m; + } + { + E TF, T1r, T1q, T1s, TQ, TY, TX, T1n; + { + E TB, TE, T1o, T1p; + TB = Tz - TA; + TE = TC - TD; + TF = TB - TE; + T1r = TB + TE; + T1o = T1d - T1a; + T1p = T1i - T1f; + T1q = T1o - T1p; + T1s = T1o + T1p; + } + { + E TK, TP, TT, TW; + TK = TG - TJ; + TP = TL - TO; + TQ = TK - TP; + TY = TK + TP; + TT = TR - TS; + TW = TU - TV; + TX = TT + TW; + T1n = TT - TW; + } + io[WS(os, 5)] = TF - TQ; + ro[WS(os, 5)] = T1n + T1q; + io[WS(os, 11)] = TF + TQ; + ro[WS(os, 11)] = T1n - T1q; + ro[WS(os, 2)] = TX - TY; + io[WS(os, 2)] = T1r - T1s; + ro[WS(os, 8)] = TX + TY; + io[WS(os, 8)] = T1r + T1s; + } + } + } + } +} + +static const kdft_desc desc = { 12, "n1_12", {88, 8, 8, 0}, &GENUS, 0, 0, 0, 0 }; + +void X(codelet_n1_12) (planner *p) { + X(kdft_register) (p, n1_12, &desc); +} + +#endif /* HAVE_FMA */