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diff src/fftw-3.3.8/dft/simd/common/t1fv_10.c @ 82:d0c2a83c1364

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Add FFTW 3.3.8 source, and a Linux build
author Chris Cannam
date Tue, 19 Nov 2019 14:52:55 +0000
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/fftw-3.3.8/dft/simd/common/t1fv_10.c	Tue Nov 19 14:52:55 2019 +0000
@@ -0,0 +1,278 @@
+/*
+ * Copyright (c) 2003, 2007-14 Matteo Frigo
+ * Copyright (c) 2003, 2007-14 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 Thu May 24 08:05:27 EDT 2018 */
+
+#include "dft/codelet-dft.h"
+
+#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
+
+/* Generated by: ../../../genfft/gen_twiddle_c.native -fma -simd -compact -variables 4 -pipeline-latency 8 -n 10 -name t1fv_10 -include dft/simd/t1f.h */
+
+/*
+ * This function contains 51 FP additions, 40 FP multiplications,
+ * (or, 33 additions, 22 multiplications, 18 fused multiply/add),
+ * 32 stack variables, 4 constants, and 20 memory accesses
+ */
+#include "dft/simd/t1f.h"
+
+static void t1fv_10(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
+{
+     DVK(KP559016994, +0.559016994374947424102293417182819058860154590);
+     DVK(KP618033988, +0.618033988749894848204586834365638117720309180);
+     DVK(KP951056516, +0.951056516295153572116439333379382143405698634);
+     DVK(KP250000000, +0.250000000000000000000000000000000000000000000);
+     {
+	  INT m;
+	  R *x;
+	  x = ri;
+	  for (m = mb, W = W + (mb * ((TWVL / VL) * 18)); m < me; m = m + VL, x = x + (VL * ms), W = W + (TWVL * 18), MAKE_VOLATILE_STRIDE(10, rs)) {
+	       V T4, TA, Tk, Tp, Tq, TE, TF, TG, T9, Te, Tf, TB, TC, TD, T1;
+	       V T3, T2;
+	       T1 = LD(&(x[0]), ms, &(x[0]));
+	       T2 = LD(&(x[WS(rs, 5)]), ms, &(x[WS(rs, 1)]));
+	       T3 = BYTWJ(&(W[TWVL * 8]), T2);
+	       T4 = VSUB(T1, T3);
+	       TA = VADD(T1, T3);
+	       {
+		    V Th, To, Tj, Tm;
+		    {
+			 V Tg, Tn, Ti, Tl;
+			 Tg = LD(&(x[WS(rs, 4)]), ms, &(x[0]));
+			 Th = BYTWJ(&(W[TWVL * 6]), Tg);
+			 Tn = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)]));
+			 To = BYTWJ(&(W[0]), Tn);
+			 Ti = LD(&(x[WS(rs, 9)]), ms, &(x[WS(rs, 1)]));
+			 Tj = BYTWJ(&(W[TWVL * 16]), Ti);
+			 Tl = LD(&(x[WS(rs, 6)]), ms, &(x[0]));
+			 Tm = BYTWJ(&(W[TWVL * 10]), Tl);
+		    }
+		    Tk = VSUB(Th, Tj);
+		    Tp = VSUB(Tm, To);
+		    Tq = VADD(Tk, Tp);
+		    TE = VADD(Th, Tj);
+		    TF = VADD(Tm, To);
+		    TG = VADD(TE, TF);
+	       }
+	       {
+		    V T6, Td, T8, Tb;
+		    {
+			 V T5, Tc, T7, Ta;
+			 T5 = LD(&(x[WS(rs, 2)]), ms, &(x[0]));
+			 T6 = BYTWJ(&(W[TWVL * 2]), T5);
+			 Tc = LD(&(x[WS(rs, 3)]), ms, &(x[WS(rs, 1)]));
+			 Td = BYTWJ(&(W[TWVL * 4]), Tc);
+			 T7 = LD(&(x[WS(rs, 7)]), ms, &(x[WS(rs, 1)]));
+			 T8 = BYTWJ(&(W[TWVL * 12]), T7);
+			 Ta = LD(&(x[WS(rs, 8)]), ms, &(x[0]));
+			 Tb = BYTWJ(&(W[TWVL * 14]), Ta);
+		    }
+		    T9 = VSUB(T6, T8);
+		    Te = VSUB(Tb, Td);
+		    Tf = VADD(T9, Te);
+		    TB = VADD(T6, T8);
+		    TC = VADD(Tb, Td);
+		    TD = VADD(TB, TC);
+	       }
+	       {
+		    V Tt, Tr, Ts, Tx, Tz, Tv, Tw, Ty, Tu;
+		    Tt = VSUB(Tf, Tq);
+		    Tr = VADD(Tf, Tq);
+		    Ts = VFNMS(LDK(KP250000000), Tr, T4);
+		    Tv = VSUB(T9, Te);
+		    Tw = VSUB(Tk, Tp);
+		    Tx = VMUL(LDK(KP951056516), VFMA(LDK(KP618033988), Tw, Tv));
+		    Tz = VMUL(LDK(KP951056516), VFNMS(LDK(KP618033988), Tv, Tw));
+		    ST(&(x[WS(rs, 5)]), VADD(T4, Tr), ms, &(x[WS(rs, 1)]));
+		    Ty = VFNMS(LDK(KP559016994), Tt, Ts);
+		    ST(&(x[WS(rs, 3)]), VFNMSI(Tz, Ty), ms, &(x[WS(rs, 1)]));
+		    ST(&(x[WS(rs, 7)]), VFMAI(Tz, Ty), ms, &(x[WS(rs, 1)]));
+		    Tu = VFMA(LDK(KP559016994), Tt, Ts);
+		    ST(&(x[WS(rs, 1)]), VFNMSI(Tx, Tu), ms, &(x[WS(rs, 1)]));
+		    ST(&(x[WS(rs, 9)]), VFMAI(Tx, Tu), ms, &(x[WS(rs, 1)]));
+	       }
+	       {
+		    V TJ, TH, TI, TN, TP, TL, TM, TO, TK;
+		    TJ = VSUB(TD, TG);
+		    TH = VADD(TD, TG);
+		    TI = VFNMS(LDK(KP250000000), TH, TA);
+		    TL = VSUB(TE, TF);
+		    TM = VSUB(TB, TC);
+		    TN = VMUL(LDK(KP951056516), VFNMS(LDK(KP618033988), TM, TL));
+		    TP = VMUL(LDK(KP951056516), VFMA(LDK(KP618033988), TL, TM));
+		    ST(&(x[0]), VADD(TA, TH), ms, &(x[0]));
+		    TO = VFMA(LDK(KP559016994), TJ, TI);
+		    ST(&(x[WS(rs, 4)]), VFMAI(TP, TO), ms, &(x[0]));
+		    ST(&(x[WS(rs, 6)]), VFNMSI(TP, TO), ms, &(x[0]));
+		    TK = VFNMS(LDK(KP559016994), TJ, TI);
+		    ST(&(x[WS(rs, 2)]), VFMAI(TN, TK), ms, &(x[0]));
+		    ST(&(x[WS(rs, 8)]), VFNMSI(TN, TK), ms, &(x[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),
+     VTW(0, 8),
+     VTW(0, 9),
+     {TW_NEXT, VL, 0}
+};
+
+static const ct_desc desc = { 10, XSIMD_STRING("t1fv_10"), twinstr, &GENUS, {33, 22, 18, 0}, 0, 0, 0 };
+
+void XSIMD(codelet_t1fv_10) (planner *p) {
+     X(kdft_dit_register) (p, t1fv_10, &desc);
+}
+#else
+
+/* Generated by: ../../../genfft/gen_twiddle_c.native -simd -compact -variables 4 -pipeline-latency 8 -n 10 -name t1fv_10 -include dft/simd/t1f.h */
+
+/*
+ * This function contains 51 FP additions, 30 FP multiplications,
+ * (or, 45 additions, 24 multiplications, 6 fused multiply/add),
+ * 32 stack variables, 4 constants, and 20 memory accesses
+ */
+#include "dft/simd/t1f.h"
+
+static void t1fv_10(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
+{
+     DVK(KP587785252, +0.587785252292473129168705954639072768597652438);
+     DVK(KP951056516, +0.951056516295153572116439333379382143405698634);
+     DVK(KP250000000, +0.250000000000000000000000000000000000000000000);
+     DVK(KP559016994, +0.559016994374947424102293417182819058860154590);
+     {
+	  INT m;
+	  R *x;
+	  x = ri;
+	  for (m = mb, W = W + (mb * ((TWVL / VL) * 18)); m < me; m = m + VL, x = x + (VL * ms), W = W + (TWVL * 18), MAKE_VOLATILE_STRIDE(10, rs)) {
+	       V Tr, TH, Tg, Tl, Tm, TA, TB, TJ, T5, Ta, Tb, TD, TE, TI, To;
+	       V Tq, Tp;
+	       To = LD(&(x[0]), ms, &(x[0]));
+	       Tp = LD(&(x[WS(rs, 5)]), ms, &(x[WS(rs, 1)]));
+	       Tq = BYTWJ(&(W[TWVL * 8]), Tp);
+	       Tr = VSUB(To, Tq);
+	       TH = VADD(To, Tq);
+	       {
+		    V Td, Tk, Tf, Ti;
+		    {
+			 V Tc, Tj, Te, Th;
+			 Tc = LD(&(x[WS(rs, 4)]), ms, &(x[0]));
+			 Td = BYTWJ(&(W[TWVL * 6]), Tc);
+			 Tj = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)]));
+			 Tk = BYTWJ(&(W[0]), Tj);
+			 Te = LD(&(x[WS(rs, 9)]), ms, &(x[WS(rs, 1)]));
+			 Tf = BYTWJ(&(W[TWVL * 16]), Te);
+			 Th = LD(&(x[WS(rs, 6)]), ms, &(x[0]));
+			 Ti = BYTWJ(&(W[TWVL * 10]), Th);
+		    }
+		    Tg = VSUB(Td, Tf);
+		    Tl = VSUB(Ti, Tk);
+		    Tm = VADD(Tg, Tl);
+		    TA = VADD(Td, Tf);
+		    TB = VADD(Ti, Tk);
+		    TJ = VADD(TA, TB);
+	       }
+	       {
+		    V T2, T9, T4, T7;
+		    {
+			 V T1, T8, T3, T6;
+			 T1 = LD(&(x[WS(rs, 2)]), ms, &(x[0]));
+			 T2 = BYTWJ(&(W[TWVL * 2]), T1);
+			 T8 = LD(&(x[WS(rs, 3)]), ms, &(x[WS(rs, 1)]));
+			 T9 = BYTWJ(&(W[TWVL * 4]), T8);
+			 T3 = LD(&(x[WS(rs, 7)]), ms, &(x[WS(rs, 1)]));
+			 T4 = BYTWJ(&(W[TWVL * 12]), T3);
+			 T6 = LD(&(x[WS(rs, 8)]), ms, &(x[0]));
+			 T7 = BYTWJ(&(W[TWVL * 14]), T6);
+		    }
+		    T5 = VSUB(T2, T4);
+		    Ta = VSUB(T7, T9);
+		    Tb = VADD(T5, Ta);
+		    TD = VADD(T2, T4);
+		    TE = VADD(T7, T9);
+		    TI = VADD(TD, TE);
+	       }
+	       {
+		    V Tn, Ts, Tt, Tx, Tz, Tv, Tw, Ty, Tu;
+		    Tn = VMUL(LDK(KP559016994), VSUB(Tb, Tm));
+		    Ts = VADD(Tb, Tm);
+		    Tt = VFNMS(LDK(KP250000000), Ts, Tr);
+		    Tv = VSUB(T5, Ta);
+		    Tw = VSUB(Tg, Tl);
+		    Tx = VBYI(VFMA(LDK(KP951056516), Tv, VMUL(LDK(KP587785252), Tw)));
+		    Tz = VBYI(VFNMS(LDK(KP587785252), Tv, VMUL(LDK(KP951056516), Tw)));
+		    ST(&(x[WS(rs, 5)]), VADD(Tr, Ts), ms, &(x[WS(rs, 1)]));
+		    Ty = VSUB(Tt, Tn);
+		    ST(&(x[WS(rs, 3)]), VSUB(Ty, Tz), ms, &(x[WS(rs, 1)]));
+		    ST(&(x[WS(rs, 7)]), VADD(Tz, Ty), ms, &(x[WS(rs, 1)]));
+		    Tu = VADD(Tn, Tt);
+		    ST(&(x[WS(rs, 1)]), VSUB(Tu, Tx), ms, &(x[WS(rs, 1)]));
+		    ST(&(x[WS(rs, 9)]), VADD(Tx, Tu), ms, &(x[WS(rs, 1)]));
+	       }
+	       {
+		    V TM, TK, TL, TG, TO, TC, TF, TP, TN;
+		    TM = VMUL(LDK(KP559016994), VSUB(TI, TJ));
+		    TK = VADD(TI, TJ);
+		    TL = VFNMS(LDK(KP250000000), TK, TH);
+		    TC = VSUB(TA, TB);
+		    TF = VSUB(TD, TE);
+		    TG = VBYI(VFNMS(LDK(KP587785252), TF, VMUL(LDK(KP951056516), TC)));
+		    TO = VBYI(VFMA(LDK(KP951056516), TF, VMUL(LDK(KP587785252), TC)));
+		    ST(&(x[0]), VADD(TH, TK), ms, &(x[0]));
+		    TP = VADD(TM, TL);
+		    ST(&(x[WS(rs, 4)]), VADD(TO, TP), ms, &(x[0]));
+		    ST(&(x[WS(rs, 6)]), VSUB(TP, TO), ms, &(x[0]));
+		    TN = VSUB(TL, TM);
+		    ST(&(x[WS(rs, 2)]), VADD(TG, TN), ms, &(x[0]));
+		    ST(&(x[WS(rs, 8)]), VSUB(TN, TG), ms, &(x[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),
+     VTW(0, 8),
+     VTW(0, 9),
+     {TW_NEXT, VL, 0}
+};
+
+static const ct_desc desc = { 10, XSIMD_STRING("t1fv_10"), twinstr, &GENUS, {45, 24, 6, 0}, 0, 0, 0 };
+
+void XSIMD(codelet_t1fv_10) (planner *p) {
+     X(kdft_dit_register) (p, t1fv_10, &desc);
+}
+#endif