diff src/fftw-3.3.3/rdft/scalar/r2cb/hb_6.c @ 95:89f5e221ed7b

Add FFTW3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/fftw-3.3.3/rdft/scalar/r2cb/hb_6.c	Wed Mar 20 15:35:50 2013 +0000
@@ -0,0 +1,292 @@
+/*
+ * 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 07:41:12 EST 2012 */
+
+#include "codelet-rdft.h"
+
+#ifdef HAVE_FMA
+
+/* Generated by: ../../../genfft/gen_hc2hc.native -fma -reorder-insns -schedule-for-pipeline -compact -variables 4 -pipeline-latency 4 -sign 1 -n 6 -dif -name hb_6 -include hb.h */
+
+/*
+ * This function contains 46 FP additions, 32 FP multiplications,
+ * (or, 24 additions, 10 multiplications, 22 fused multiply/add),
+ * 45 stack variables, 2 constants, and 24 memory accesses
+ */
+#include "hb.h"
+
+static void hb_6(R *cr, R *ci, const R *W, stride rs, INT mb, INT me, INT ms)
+{
+     DK(KP866025403, +0.866025403784438646763723170752936183471402627);
+     DK(KP500000000, +0.500000000000000000000000000000000000000000000);
+     {
+	  INT m;
+	  for (m = mb, W = W + ((mb - 1) * 10); m < me; m = m + 1, cr = cr + ms, ci = ci - ms, W = W + 10, MAKE_VOLATILE_STRIDE(12, rs)) {
+	       E TK, TR, TB, TM, TL, TS;
+	       {
+		    E Td, TN, TO, TJ, Tn, Tk, TC, T3, Tr, T4, T5, T7, T8;
+		    {
+			 E TH, Tg, Tj, TI, Th, Ti, T1, T2;
+			 {
+			      E Tb, Tc, Te, Tf;
+			      Tb = ci[WS(rs, 5)];
+			      Tc = cr[WS(rs, 3)];
+			      Te = ci[WS(rs, 3)];
+			      Tf = cr[WS(rs, 5)];
+			      Th = ci[WS(rs, 4)];
+			      Td = Tb - Tc;
+			      TN = Tb + Tc;
+			      Ti = cr[WS(rs, 4)];
+			      TH = Te + Tf;
+			      Tg = Te - Tf;
+			 }
+			 Tj = Th - Ti;
+			 TI = Th + Ti;
+			 T1 = cr[0];
+			 T2 = ci[WS(rs, 2)];
+			 TO = TH - TI;
+			 TJ = TH + TI;
+			 Tn = Tj - Tg;
+			 Tk = Tg + Tj;
+			 TC = T1 - T2;
+			 T3 = T1 + T2;
+			 Tr = FNMS(KP500000000, Tk, Td);
+			 T4 = cr[WS(rs, 2)];
+			 T5 = ci[0];
+			 T7 = ci[WS(rs, 1)];
+			 T8 = cr[WS(rs, 1)];
+		    }
+		    {
+			 E Tl, Tq, TQ, Ts, Ta, T10, TG;
+			 ci[0] = Td + Tk;
+			 {
+			      E T6, TD, T9, TE, TF;
+			      T6 = T4 + T5;
+			      TD = T4 - T5;
+			      T9 = T7 + T8;
+			      TE = T7 - T8;
+			      Tl = W[2];
+			      Tq = W[3];
+			      TQ = TD - TE;
+			      TF = TD + TE;
+			      Ts = T6 - T9;
+			      Ta = T6 + T9;
+			      T10 = TC + TF;
+			      TG = FNMS(KP500000000, TF, TC);
+			 }
+			 {
+			      E T13, TP, Tz, TZ, Tw, T14, Tv, Ty;
+			      {
+				   E Tt, T12, T11, Tp, Tm, To, Tu;
+				   T13 = TN + TO;
+				   TP = FNMS(KP500000000, TO, TN);
+				   cr[0] = T3 + Ta;
+				   Tm = FNMS(KP500000000, Ta, T3);
+				   Tz = FMA(KP866025403, Ts, Tr);
+				   Tt = FNMS(KP866025403, Ts, Tr);
+				   TZ = W[4];
+				   To = FNMS(KP866025403, Tn, Tm);
+				   Tw = FMA(KP866025403, Tn, Tm);
+				   Tu = Tl * Tt;
+				   T12 = W[5];
+				   T11 = TZ * T10;
+				   Tp = Tl * To;
+				   ci[WS(rs, 2)] = FMA(Tq, To, Tu);
+				   T14 = T12 * T10;
+				   cr[WS(rs, 3)] = FNMS(T12, T13, T11);
+				   cr[WS(rs, 2)] = FNMS(Tq, Tt, Tp);
+			      }
+			      ci[WS(rs, 3)] = FMA(TZ, T13, T14);
+			      Tv = W[6];
+			      Ty = W[7];
+			      {
+				   E TX, TT, TW, TV, TY, TU, TA, Tx;
+				   TK = FNMS(KP866025403, TJ, TG);
+				   TU = FMA(KP866025403, TJ, TG);
+				   TA = Tv * Tz;
+				   Tx = Tv * Tw;
+				   TX = FNMS(KP866025403, TQ, TP);
+				   TR = FMA(KP866025403, TQ, TP);
+				   ci[WS(rs, 4)] = FMA(Ty, Tw, TA);
+				   cr[WS(rs, 4)] = FNMS(Ty, Tz, Tx);
+				   TT = W[8];
+				   TW = W[9];
+				   TB = W[0];
+				   TV = TT * TU;
+				   TY = TW * TU;
+				   TM = W[1];
+				   TL = TB * TK;
+				   cr[WS(rs, 5)] = FNMS(TW, TX, TV);
+				   ci[WS(rs, 5)] = FMA(TT, TX, TY);
+			      }
+			 }
+		    }
+	       }
+	       cr[WS(rs, 1)] = FNMS(TM, TR, TL);
+	       TS = TM * TK;
+	       ci[WS(rs, 1)] = FMA(TB, TR, TS);
+	  }
+     }
+}
+
+static const tw_instr twinstr[] = {
+     {TW_FULL, 1, 6},
+     {TW_NEXT, 1, 0}
+};
+
+static const hc2hc_desc desc = { 6, "hb_6", twinstr, &GENUS, {24, 10, 22, 0} };
+
+void X(codelet_hb_6) (planner *p) {
+     X(khc2hc_register) (p, hb_6, &desc);
+}
+#else				/* HAVE_FMA */
+
+/* Generated by: ../../../genfft/gen_hc2hc.native -compact -variables 4 -pipeline-latency 4 -sign 1 -n 6 -dif -name hb_6 -include hb.h */
+
+/*
+ * This function contains 46 FP additions, 28 FP multiplications,
+ * (or, 32 additions, 14 multiplications, 14 fused multiply/add),
+ * 27 stack variables, 2 constants, and 24 memory accesses
+ */
+#include "hb.h"
+
+static void hb_6(R *cr, R *ci, const R *W, stride rs, INT mb, INT me, INT ms)
+{
+     DK(KP500000000, +0.500000000000000000000000000000000000000000000);
+     DK(KP866025403, +0.866025403784438646763723170752936183471402627);
+     {
+	  INT m;
+	  for (m = mb, W = W + ((mb - 1) * 10); m < me; m = m + 1, cr = cr + ms, ci = ci - ms, W = W + 10, MAKE_VOLATILE_STRIDE(12, rs)) {
+	       E T3, Ty, Ta, TO, Tr, TB, Td, TE, Tk, TL, Tn, TH;
+	       {
+		    E T1, T2, Tb, Tc;
+		    T1 = cr[0];
+		    T2 = ci[WS(rs, 2)];
+		    T3 = T1 + T2;
+		    Ty = T1 - T2;
+		    {
+			 E T6, Tz, T9, TA;
+			 {
+			      E T4, T5, T7, T8;
+			      T4 = cr[WS(rs, 2)];
+			      T5 = ci[0];
+			      T6 = T4 + T5;
+			      Tz = T4 - T5;
+			      T7 = ci[WS(rs, 1)];
+			      T8 = cr[WS(rs, 1)];
+			      T9 = T7 + T8;
+			      TA = T7 - T8;
+			 }
+			 Ta = T6 + T9;
+			 TO = KP866025403 * (Tz - TA);
+			 Tr = KP866025403 * (T6 - T9);
+			 TB = Tz + TA;
+		    }
+		    Tb = ci[WS(rs, 5)];
+		    Tc = cr[WS(rs, 3)];
+		    Td = Tb - Tc;
+		    TE = Tb + Tc;
+		    {
+			 E Tg, TG, Tj, TF;
+			 {
+			      E Te, Tf, Th, Ti;
+			      Te = ci[WS(rs, 3)];
+			      Tf = cr[WS(rs, 5)];
+			      Tg = Te - Tf;
+			      TG = Te + Tf;
+			      Th = ci[WS(rs, 4)];
+			      Ti = cr[WS(rs, 4)];
+			      Tj = Th - Ti;
+			      TF = Th + Ti;
+			 }
+			 Tk = Tg + Tj;
+			 TL = KP866025403 * (TG + TF);
+			 Tn = KP866025403 * (Tj - Tg);
+			 TH = TF - TG;
+		    }
+	       }
+	       cr[0] = T3 + Ta;
+	       ci[0] = Td + Tk;
+	       {
+		    E TC, TI, Tx, TD;
+		    TC = Ty + TB;
+		    TI = TE - TH;
+		    Tx = W[4];
+		    TD = W[5];
+		    cr[WS(rs, 3)] = FNMS(TD, TI, Tx * TC);
+		    ci[WS(rs, 3)] = FMA(TD, TC, Tx * TI);
+	       }
+	       {
+		    E To, Tu, Ts, Tw, Tm, Tq;
+		    Tm = FNMS(KP500000000, Ta, T3);
+		    To = Tm - Tn;
+		    Tu = Tm + Tn;
+		    Tq = FNMS(KP500000000, Tk, Td);
+		    Ts = Tq - Tr;
+		    Tw = Tr + Tq;
+		    {
+			 E Tl, Tp, Tt, Tv;
+			 Tl = W[2];
+			 Tp = W[3];
+			 cr[WS(rs, 2)] = FNMS(Tp, Ts, Tl * To);
+			 ci[WS(rs, 2)] = FMA(Tl, Ts, Tp * To);
+			 Tt = W[6];
+			 Tv = W[7];
+			 cr[WS(rs, 4)] = FNMS(Tv, Tw, Tt * Tu);
+			 ci[WS(rs, 4)] = FMA(Tt, Tw, Tv * Tu);
+		    }
+	       }
+	       {
+		    E TM, TS, TQ, TU, TK, TP;
+		    TK = FNMS(KP500000000, TB, Ty);
+		    TM = TK - TL;
+		    TS = TK + TL;
+		    TP = FMA(KP500000000, TH, TE);
+		    TQ = TO + TP;
+		    TU = TP - TO;
+		    {
+			 E TJ, TN, TR, TT;
+			 TJ = W[0];
+			 TN = W[1];
+			 cr[WS(rs, 1)] = FNMS(TN, TQ, TJ * TM);
+			 ci[WS(rs, 1)] = FMA(TN, TM, TJ * TQ);
+			 TR = W[8];
+			 TT = W[9];
+			 cr[WS(rs, 5)] = FNMS(TT, TU, TR * TS);
+			 ci[WS(rs, 5)] = FMA(TT, TS, TR * TU);
+		    }
+	       }
+	  }
+     }
+}
+
+static const tw_instr twinstr[] = {
+     {TW_FULL, 1, 6},
+     {TW_NEXT, 1, 0}
+};
+
+static const hc2hc_desc desc = { 6, "hb_6", twinstr, &GENUS, {32, 14, 14, 0} };
+
+void X(codelet_hb_6) (planner *p) {
+     X(khc2hc_register) (p, hb_6, &desc);
+}
+#endif				/* HAVE_FMA */