diff src/fftw-3.3.3/dft/simd/common/t1sv_8.c @ 10:37bf6b4a2645

Add FFTW3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/fftw-3.3.3/dft/simd/common/t1sv_8.c	Wed Mar 20 15:35:50 2013 +0000
@@ -0,0 +1,379 @@
+/*
+ * 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 07:39:24 EST 2012 */
+
+#include "codelet-dft.h"
+
+#ifdef HAVE_FMA
+
+/* Generated by: ../../../genfft/gen_twiddle.native -fma -reorder-insns -schedule-for-pipeline -simd -compact -variables 4 -pipeline-latency 8 -n 8 -name t1sv_8 -include ts.h */
+
+/*
+ * This function contains 66 FP additions, 36 FP multiplications,
+ * (or, 44 additions, 14 multiplications, 22 fused multiply/add),
+ * 59 stack variables, 1 constants, and 32 memory accesses
+ */
+#include "ts.h"
+
+static void t1sv_8(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
+{
+     DVK(KP707106781, +0.707106781186547524400844362104849039284835938);
+     {
+	  INT m;
+	  for (m = mb, W = W + (mb * 14); m < me; m = m + (2 * VL), ri = ri + ((2 * VL) * ms), ii = ii + ((2 * VL) * ms), W = W + ((2 * VL) * 14), MAKE_VOLATILE_STRIDE(16, rs)) {
+	       V T1, T1m, T1l, T7, TS, Tk, TQ, Te, To, Tr, Tu, T14, TF, Tx, T16;
+	       V TL, Tt, TW, Tp, Tq, Tw;
+	       {
+		    V T3, T6, T2, T5;
+		    T1 = LD(&(ri[0]), ms, &(ri[0]));
+		    T1m = LD(&(ii[0]), ms, &(ii[0]));
+		    T3 = LD(&(ri[WS(rs, 4)]), ms, &(ri[0]));
+		    T6 = LD(&(ii[WS(rs, 4)]), ms, &(ii[0]));
+		    T2 = LDW(&(W[TWVL * 6]));
+		    T5 = LDW(&(W[TWVL * 7]));
+		    {
+			 V Tg, Tj, Ti, Ta, Td, T1k, T4, T9, Tc, TR, Th, Tf;
+			 Tg = LD(&(ri[WS(rs, 6)]), ms, &(ri[0]));
+			 Tj = LD(&(ii[WS(rs, 6)]), ms, &(ii[0]));
+			 Tf = LDW(&(W[TWVL * 10]));
+			 Ti = LDW(&(W[TWVL * 11]));
+			 Ta = LD(&(ri[WS(rs, 2)]), ms, &(ri[0]));
+			 Td = LD(&(ii[WS(rs, 2)]), ms, &(ii[0]));
+			 T1k = VMUL(T2, T6);
+			 T4 = VMUL(T2, T3);
+			 T9 = LDW(&(W[TWVL * 2]));
+			 Tc = LDW(&(W[TWVL * 3]));
+			 TR = VMUL(Tf, Tj);
+			 Th = VMUL(Tf, Tg);
+			 {
+			      V TB, TE, TH, TK, TG, TD, TJ, T13, TC, TA, TP, Tb, T15, TI, Tn;
+			      TB = LD(&(ri[WS(rs, 7)]), ms, &(ri[WS(rs, 1)]));
+			      TE = LD(&(ii[WS(rs, 7)]), ms, &(ii[WS(rs, 1)]));
+			      T1l = VFNMS(T5, T3, T1k);
+			      T7 = VFMA(T5, T6, T4);
+			      TP = VMUL(T9, Td);
+			      Tb = VMUL(T9, Ta);
+			      TS = VFNMS(Ti, Tg, TR);
+			      Tk = VFMA(Ti, Tj, Th);
+			      TA = LDW(&(W[TWVL * 12]));
+			      TH = LD(&(ri[WS(rs, 3)]), ms, &(ri[WS(rs, 1)]));
+			      TK = LD(&(ii[WS(rs, 3)]), ms, &(ii[WS(rs, 1)]));
+			      TG = LDW(&(W[TWVL * 4]));
+			      TQ = VFNMS(Tc, Ta, TP);
+			      Te = VFMA(Tc, Td, Tb);
+			      TD = LDW(&(W[TWVL * 13]));
+			      TJ = LDW(&(W[TWVL * 5]));
+			      T13 = VMUL(TA, TE);
+			      TC = VMUL(TA, TB);
+			      To = LD(&(ri[WS(rs, 1)]), ms, &(ri[WS(rs, 1)]));
+			      T15 = VMUL(TG, TK);
+			      TI = VMUL(TG, TH);
+			      Tr = LD(&(ii[WS(rs, 1)]), ms, &(ii[WS(rs, 1)]));
+			      Tn = LDW(&(W[0]));
+			      Tu = LD(&(ri[WS(rs, 5)]), ms, &(ri[WS(rs, 1)]));
+			      T14 = VFNMS(TD, TB, T13);
+			      TF = VFMA(TD, TE, TC);
+			      Tx = LD(&(ii[WS(rs, 5)]), ms, &(ii[WS(rs, 1)]));
+			      T16 = VFNMS(TJ, TH, T15);
+			      TL = VFMA(TJ, TK, TI);
+			      Tt = LDW(&(W[TWVL * 8]));
+			      TW = VMUL(Tn, Tr);
+			      Tp = VMUL(Tn, To);
+			      Tq = LDW(&(W[TWVL * 1]));
+			      Tw = LDW(&(W[TWVL * 9]));
+			 }
+		    }
+	       }
+	       {
+		    V T8, T1g, TM, T1j, TX, Ts, T1n, T1r, T1s, Tl, T1c, T18, TZ, Ty, T1a;
+		    V TU;
+		    {
+			 V TO, T17, T12, TY, Tv, TT;
+			 T8 = VADD(T1, T7);
+			 TO = VSUB(T1, T7);
+			 T17 = VSUB(T14, T16);
+			 T1g = VADD(T14, T16);
+			 TM = VADD(TF, TL);
+			 T12 = VSUB(TF, TL);
+			 TY = VMUL(Tt, Tx);
+			 Tv = VMUL(Tt, Tu);
+			 TT = VSUB(TQ, TS);
+			 T1j = VADD(TQ, TS);
+			 TX = VFNMS(Tq, To, TW);
+			 Ts = VFMA(Tq, Tr, Tp);
+			 T1n = VADD(T1l, T1m);
+			 T1r = VSUB(T1m, T1l);
+			 T1s = VSUB(Te, Tk);
+			 Tl = VADD(Te, Tk);
+			 T1c = VADD(T12, T17);
+			 T18 = VSUB(T12, T17);
+			 TZ = VFNMS(Tw, Tu, TY);
+			 Ty = VFMA(Tw, Tx, Tv);
+			 T1a = VSUB(TO, TT);
+			 TU = VADD(TO, TT);
+		    }
+		    {
+			 V T1v, T1t, Tm, T1e, T1o, T1q, TN, T1p, T1d, T1u, T19, T1w, T1i, T1h;
+			 {
+			      V T10, T1f, Tz, TV, T11, T1b;
+			      T1v = VADD(T1s, T1r);
+			      T1t = VSUB(T1r, T1s);
+			      T10 = VSUB(TX, TZ);
+			      T1f = VADD(TX, TZ);
+			      Tz = VADD(Ts, Ty);
+			      TV = VSUB(Ts, Ty);
+			      T11 = VADD(TV, T10);
+			      T1b = VSUB(T10, TV);
+			      Tm = VADD(T8, Tl);
+			      T1e = VSUB(T8, Tl);
+			      T1o = VADD(T1j, T1n);
+			      T1q = VSUB(T1n, T1j);
+			      TN = VADD(Tz, TM);
+			      T1p = VSUB(TM, Tz);
+			      T1d = VSUB(T1b, T1c);
+			      T1u = VADD(T1b, T1c);
+			      T19 = VADD(T11, T18);
+			      T1w = VSUB(T18, T11);
+			      T1i = VADD(T1f, T1g);
+			      T1h = VSUB(T1f, T1g);
+			 }
+			 ST(&(ii[WS(rs, 6)]), VSUB(T1q, T1p), ms, &(ii[0]));
+			 ST(&(ri[0]), VADD(Tm, TN), ms, &(ri[0]));
+			 ST(&(ri[WS(rs, 4)]), VSUB(Tm, TN), ms, &(ri[0]));
+			 ST(&(ii[WS(rs, 1)]), VFMA(LDK(KP707106781), T1u, T1t), ms, &(ii[WS(rs, 1)]));
+			 ST(&(ii[WS(rs, 5)]), VFNMS(LDK(KP707106781), T1u, T1t), ms, &(ii[WS(rs, 1)]));
+			 ST(&(ri[WS(rs, 3)]), VFMA(LDK(KP707106781), T1d, T1a), ms, &(ri[WS(rs, 1)]));
+			 ST(&(ri[WS(rs, 7)]), VFNMS(LDK(KP707106781), T1d, T1a), ms, &(ri[WS(rs, 1)]));
+			 ST(&(ii[WS(rs, 3)]), VFMA(LDK(KP707106781), T1w, T1v), ms, &(ii[WS(rs, 1)]));
+			 ST(&(ii[WS(rs, 7)]), VFNMS(LDK(KP707106781), T1w, T1v), ms, &(ii[WS(rs, 1)]));
+			 ST(&(ri[WS(rs, 1)]), VFMA(LDK(KP707106781), T19, TU), ms, &(ri[WS(rs, 1)]));
+			 ST(&(ri[WS(rs, 5)]), VFNMS(LDK(KP707106781), T19, TU), ms, &(ri[WS(rs, 1)]));
+			 ST(&(ri[WS(rs, 6)]), VSUB(T1e, T1h), ms, &(ri[0]));
+			 ST(&(ii[0]), VADD(T1i, T1o), ms, &(ii[0]));
+			 ST(&(ii[WS(rs, 4)]), VSUB(T1o, T1i), ms, &(ii[0]));
+			 ST(&(ri[WS(rs, 2)]), VADD(T1e, T1h), ms, &(ri[0]));
+			 ST(&(ii[WS(rs, 2)]), VADD(T1p, T1q), ms, &(ii[0]));
+		    }
+	       }
+	  }
+     }
+     VLEAVE();
+}
+
+static const tw_instr twinstr[] = {
+     VTW(0, 1),
+     VTW(0, 2),
+     VTW(0, 3),
+     VTW(0, 4),
+     VTW(0, 5),
+     VTW(0, 6),
+     VTW(0, 7),
+     {TW_NEXT, (2 * VL), 0}
+};
+
+static const ct_desc desc = { 8, XSIMD_STRING("t1sv_8"), twinstr, &GENUS, {44, 14, 22, 0}, 0, 0, 0 };
+
+void XSIMD(codelet_t1sv_8) (planner *p) {
+     X(kdft_dit_register) (p, t1sv_8, &desc);
+}
+#else				/* HAVE_FMA */
+
+/* Generated by: ../../../genfft/gen_twiddle.native -simd -compact -variables 4 -pipeline-latency 8 -n 8 -name t1sv_8 -include ts.h */
+
+/*
+ * This function contains 66 FP additions, 32 FP multiplications,
+ * (or, 52 additions, 18 multiplications, 14 fused multiply/add),
+ * 28 stack variables, 1 constants, and 32 memory accesses
+ */
+#include "ts.h"
+
+static void t1sv_8(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
+{
+     DVK(KP707106781, +0.707106781186547524400844362104849039284835938);
+     {
+	  INT m;
+	  for (m = mb, W = W + (mb * 14); m < me; m = m + (2 * VL), ri = ri + ((2 * VL) * ms), ii = ii + ((2 * VL) * ms), W = W + ((2 * VL) * 14), MAKE_VOLATILE_STRIDE(16, rs)) {
+	       V T7, T1e, TH, T19, TF, T13, TR, TU, Ti, T1f, TK, T16, Tu, T12, TM;
+	       V TP;
+	       {
+		    V T1, T18, T6, T17;
+		    T1 = LD(&(ri[0]), ms, &(ri[0]));
+		    T18 = LD(&(ii[0]), ms, &(ii[0]));
+		    {
+			 V T3, T5, T2, T4;
+			 T3 = LD(&(ri[WS(rs, 4)]), ms, &(ri[0]));
+			 T5 = LD(&(ii[WS(rs, 4)]), ms, &(ii[0]));
+			 T2 = LDW(&(W[TWVL * 6]));
+			 T4 = LDW(&(W[TWVL * 7]));
+			 T6 = VFMA(T2, T3, VMUL(T4, T5));
+			 T17 = VFNMS(T4, T3, VMUL(T2, T5));
+		    }
+		    T7 = VADD(T1, T6);
+		    T1e = VSUB(T18, T17);
+		    TH = VSUB(T1, T6);
+		    T19 = VADD(T17, T18);
+	       }
+	       {
+		    V Tz, TS, TE, TT;
+		    {
+			 V Tw, Ty, Tv, Tx;
+			 Tw = LD(&(ri[WS(rs, 7)]), ms, &(ri[WS(rs, 1)]));
+			 Ty = LD(&(ii[WS(rs, 7)]), ms, &(ii[WS(rs, 1)]));
+			 Tv = LDW(&(W[TWVL * 12]));
+			 Tx = LDW(&(W[TWVL * 13]));
+			 Tz = VFMA(Tv, Tw, VMUL(Tx, Ty));
+			 TS = VFNMS(Tx, Tw, VMUL(Tv, Ty));
+		    }
+		    {
+			 V TB, TD, TA, TC;
+			 TB = LD(&(ri[WS(rs, 3)]), ms, &(ri[WS(rs, 1)]));
+			 TD = LD(&(ii[WS(rs, 3)]), ms, &(ii[WS(rs, 1)]));
+			 TA = LDW(&(W[TWVL * 4]));
+			 TC = LDW(&(W[TWVL * 5]));
+			 TE = VFMA(TA, TB, VMUL(TC, TD));
+			 TT = VFNMS(TC, TB, VMUL(TA, TD));
+		    }
+		    TF = VADD(Tz, TE);
+		    T13 = VADD(TS, TT);
+		    TR = VSUB(Tz, TE);
+		    TU = VSUB(TS, TT);
+	       }
+	       {
+		    V Tc, TI, Th, TJ;
+		    {
+			 V T9, Tb, T8, Ta;
+			 T9 = LD(&(ri[WS(rs, 2)]), ms, &(ri[0]));
+			 Tb = LD(&(ii[WS(rs, 2)]), ms, &(ii[0]));
+			 T8 = LDW(&(W[TWVL * 2]));
+			 Ta = LDW(&(W[TWVL * 3]));
+			 Tc = VFMA(T8, T9, VMUL(Ta, Tb));
+			 TI = VFNMS(Ta, T9, VMUL(T8, Tb));
+		    }
+		    {
+			 V Te, Tg, Td, Tf;
+			 Te = LD(&(ri[WS(rs, 6)]), ms, &(ri[0]));
+			 Tg = LD(&(ii[WS(rs, 6)]), ms, &(ii[0]));
+			 Td = LDW(&(W[TWVL * 10]));
+			 Tf = LDW(&(W[TWVL * 11]));
+			 Th = VFMA(Td, Te, VMUL(Tf, Tg));
+			 TJ = VFNMS(Tf, Te, VMUL(Td, Tg));
+		    }
+		    Ti = VADD(Tc, Th);
+		    T1f = VSUB(Tc, Th);
+		    TK = VSUB(TI, TJ);
+		    T16 = VADD(TI, TJ);
+	       }
+	       {
+		    V To, TN, Tt, TO;
+		    {
+			 V Tl, Tn, Tk, Tm;
+			 Tl = LD(&(ri[WS(rs, 1)]), ms, &(ri[WS(rs, 1)]));
+			 Tn = LD(&(ii[WS(rs, 1)]), ms, &(ii[WS(rs, 1)]));
+			 Tk = LDW(&(W[0]));
+			 Tm = LDW(&(W[TWVL * 1]));
+			 To = VFMA(Tk, Tl, VMUL(Tm, Tn));
+			 TN = VFNMS(Tm, Tl, VMUL(Tk, Tn));
+		    }
+		    {
+			 V Tq, Ts, Tp, Tr;
+			 Tq = LD(&(ri[WS(rs, 5)]), ms, &(ri[WS(rs, 1)]));
+			 Ts = LD(&(ii[WS(rs, 5)]), ms, &(ii[WS(rs, 1)]));
+			 Tp = LDW(&(W[TWVL * 8]));
+			 Tr = LDW(&(W[TWVL * 9]));
+			 Tt = VFMA(Tp, Tq, VMUL(Tr, Ts));
+			 TO = VFNMS(Tr, Tq, VMUL(Tp, Ts));
+		    }
+		    Tu = VADD(To, Tt);
+		    T12 = VADD(TN, TO);
+		    TM = VSUB(To, Tt);
+		    TP = VSUB(TN, TO);
+	       }
+	       {
+		    V Tj, TG, T1b, T1c;
+		    Tj = VADD(T7, Ti);
+		    TG = VADD(Tu, TF);
+		    ST(&(ri[WS(rs, 4)]), VSUB(Tj, TG), ms, &(ri[0]));
+		    ST(&(ri[0]), VADD(Tj, TG), ms, &(ri[0]));
+		    {
+			 V T15, T1a, T11, T14;
+			 T15 = VADD(T12, T13);
+			 T1a = VADD(T16, T19);
+			 ST(&(ii[0]), VADD(T15, T1a), ms, &(ii[0]));
+			 ST(&(ii[WS(rs, 4)]), VSUB(T1a, T15), ms, &(ii[0]));
+			 T11 = VSUB(T7, Ti);
+			 T14 = VSUB(T12, T13);
+			 ST(&(ri[WS(rs, 6)]), VSUB(T11, T14), ms, &(ri[0]));
+			 ST(&(ri[WS(rs, 2)]), VADD(T11, T14), ms, &(ri[0]));
+		    }
+		    T1b = VSUB(TF, Tu);
+		    T1c = VSUB(T19, T16);
+		    ST(&(ii[WS(rs, 2)]), VADD(T1b, T1c), ms, &(ii[0]));
+		    ST(&(ii[WS(rs, 6)]), VSUB(T1c, T1b), ms, &(ii[0]));
+		    {
+			 V TX, T1g, T10, T1d, TY, TZ;
+			 TX = VSUB(TH, TK);
+			 T1g = VSUB(T1e, T1f);
+			 TY = VSUB(TP, TM);
+			 TZ = VADD(TR, TU);
+			 T10 = VMUL(LDK(KP707106781), VSUB(TY, TZ));
+			 T1d = VMUL(LDK(KP707106781), VADD(TY, TZ));
+			 ST(&(ri[WS(rs, 7)]), VSUB(TX, T10), ms, &(ri[WS(rs, 1)]));
+			 ST(&(ii[WS(rs, 5)]), VSUB(T1g, T1d), ms, &(ii[WS(rs, 1)]));
+			 ST(&(ri[WS(rs, 3)]), VADD(TX, T10), ms, &(ri[WS(rs, 1)]));
+			 ST(&(ii[WS(rs, 1)]), VADD(T1d, T1g), ms, &(ii[WS(rs, 1)]));
+		    }
+		    {
+			 V TL, T1i, TW, T1h, TQ, TV;
+			 TL = VADD(TH, TK);
+			 T1i = VADD(T1f, T1e);
+			 TQ = VADD(TM, TP);
+			 TV = VSUB(TR, TU);
+			 TW = VMUL(LDK(KP707106781), VADD(TQ, TV));
+			 T1h = VMUL(LDK(KP707106781), VSUB(TV, TQ));
+			 ST(&(ri[WS(rs, 5)]), VSUB(TL, TW), ms, &(ri[WS(rs, 1)]));
+			 ST(&(ii[WS(rs, 7)]), VSUB(T1i, T1h), ms, &(ii[WS(rs, 1)]));
+			 ST(&(ri[WS(rs, 1)]), VADD(TL, TW), ms, &(ri[WS(rs, 1)]));
+			 ST(&(ii[WS(rs, 3)]), VADD(T1h, T1i), ms, &(ii[WS(rs, 1)]));
+		    }
+	       }
+	  }
+     }
+     VLEAVE();
+}
+
+static const tw_instr twinstr[] = {
+     VTW(0, 1),
+     VTW(0, 2),
+     VTW(0, 3),
+     VTW(0, 4),
+     VTW(0, 5),
+     VTW(0, 6),
+     VTW(0, 7),
+     {TW_NEXT, (2 * VL), 0}
+};
+
+static const ct_desc desc = { 8, XSIMD_STRING("t1sv_8"), twinstr, &GENUS, {52, 18, 14, 0}, 0, 0, 0 };
+
+void XSIMD(codelet_t1sv_8) (planner *p) {
+     X(kdft_dit_register) (p, t1sv_8, &desc);
+}
+#endif				/* HAVE_FMA */