diff src/fftw-3.3.8/dft/simd/common/n2bv_10.c @ 82:d0c2a83c1364

Add FFTW 3.3.8 source, and a Linux build

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/fftw-3.3.8/dft/simd/common/n2bv_10.c	Tue Nov 19 14:52:55 2019 +0000
@@ -0,0 +1,274 @@
+/*
+ * 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 08:05:11 EDT 2018 */
+
+#include "dft/codelet-dft.h"
+
+#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
+
+/* Generated by: ../../../genfft/gen_notw_c.native -fma -simd -compact -variables 4 -pipeline-latency 8 -sign 1 -n 10 -name n2bv_10 -with-ostride 2 -include dft/simd/n2b.h -store-multiple 2 */
+
+/*
+ * This function contains 42 FP additions, 22 FP multiplications,
+ * (or, 24 additions, 4 multiplications, 18 fused multiply/add),
+ * 36 stack variables, 4 constants, and 25 memory accesses
+ */
+#include "dft/simd/n2b.h"
+
+static void n2bv_10(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
+{
+     DVK(KP559016994, +0.559016994374947424102293417182819058860154590);
+     DVK(KP250000000, +0.250000000000000000000000000000000000000000000);
+     DVK(KP618033988, +0.618033988749894848204586834365638117720309180);
+     DVK(KP951056516, +0.951056516295153572116439333379382143405698634);
+     {
+	  INT i;
+	  const R *xi;
+	  R *xo;
+	  xi = ii;
+	  xo = io;
+	  for (i = v; i > 0; i = i - VL, xi = xi + (VL * ivs), xo = xo + (VL * ovs), MAKE_VOLATILE_STRIDE(20, is), MAKE_VOLATILE_STRIDE(20, os)) {
+	       V T3, Tr, Tm, Tn, TD, TC, Tu, Tx, Ty, Ta, Th, Ti, T1, T2;
+	       T1 = LD(&(xi[0]), ivs, &(xi[0]));
+	       T2 = LD(&(xi[WS(is, 5)]), ivs, &(xi[WS(is, 1)]));
+	       T3 = VSUB(T1, T2);
+	       Tr = VADD(T1, T2);
+	       {
+		    V T6, Ts, Tg, Tw, T9, Tt, Td, Tv;
+		    {
+			 V T4, T5, Te, Tf;
+			 T4 = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
+			 T5 = LD(&(xi[WS(is, 7)]), ivs, &(xi[WS(is, 1)]));
+			 T6 = VSUB(T4, T5);
+			 Ts = VADD(T4, T5);
+			 Te = LD(&(xi[WS(is, 6)]), ivs, &(xi[0]));
+			 Tf = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
+			 Tg = VSUB(Te, Tf);
+			 Tw = VADD(Te, Tf);
+		    }
+		    {
+			 V T7, T8, Tb, Tc;
+			 T7 = LD(&(xi[WS(is, 8)]), ivs, &(xi[0]));
+			 T8 = LD(&(xi[WS(is, 3)]), ivs, &(xi[WS(is, 1)]));
+			 T9 = VSUB(T7, T8);
+			 Tt = VADD(T7, T8);
+			 Tb = LD(&(xi[WS(is, 4)]), ivs, &(xi[0]));
+			 Tc = LD(&(xi[WS(is, 9)]), ivs, &(xi[WS(is, 1)]));
+			 Td = VSUB(Tb, Tc);
+			 Tv = VADD(Tb, Tc);
+		    }
+		    Tm = VSUB(T6, T9);
+		    Tn = VSUB(Td, Tg);
+		    TD = VSUB(Ts, Tt);
+		    TC = VSUB(Tv, Tw);
+		    Tu = VADD(Ts, Tt);
+		    Tx = VADD(Tv, Tw);
+		    Ty = VADD(Tu, Tx);
+		    Ta = VADD(T6, T9);
+		    Th = VADD(Td, Tg);
+		    Ti = VADD(Ta, Th);
+	       }
+	       {
+		    V TH, TI, TK, TL, TM;
+		    TH = VADD(T3, Ti);
+		    STM2(&(xo[10]), TH, ovs, &(xo[2]));
+		    TI = VADD(Tr, Ty);
+		    STM2(&(xo[0]), TI, ovs, &(xo[0]));
+		    {
+			 V To, Tq, Tl, Tp, Tj, Tk, TJ;
+			 To = VMUL(LDK(KP951056516), VFMA(LDK(KP618033988), Tn, Tm));
+			 Tq = VMUL(LDK(KP951056516), VFNMS(LDK(KP618033988), Tm, Tn));
+			 Tj = VFNMS(LDK(KP250000000), Ti, T3);
+			 Tk = VSUB(Ta, Th);
+			 Tl = VFMA(LDK(KP559016994), Tk, Tj);
+			 Tp = VFNMS(LDK(KP559016994), Tk, Tj);
+			 TJ = VFMAI(To, Tl);
+			 STM2(&(xo[2]), TJ, ovs, &(xo[2]));
+			 STN2(&(xo[0]), TI, TJ, ovs);
+			 TK = VFNMSI(Tq, Tp);
+			 STM2(&(xo[14]), TK, ovs, &(xo[2]));
+			 TL = VFNMSI(To, Tl);
+			 STM2(&(xo[18]), TL, ovs, &(xo[2]));
+			 TM = VFMAI(Tq, Tp);
+			 STM2(&(xo[6]), TM, ovs, &(xo[2]));
+		    }
+		    {
+			 V TE, TG, TB, TF, Tz, TA;
+			 TE = VMUL(LDK(KP951056516), VFNMS(LDK(KP618033988), TD, TC));
+			 TG = VMUL(LDK(KP951056516), VFMA(LDK(KP618033988), TC, TD));
+			 Tz = VFNMS(LDK(KP250000000), Ty, Tr);
+			 TA = VSUB(Tu, Tx);
+			 TB = VFNMS(LDK(KP559016994), TA, Tz);
+			 TF = VFMA(LDK(KP559016994), TA, Tz);
+			 {
+			      V TN, TO, TP, TQ;
+			      TN = VFNMSI(TE, TB);
+			      STM2(&(xo[4]), TN, ovs, &(xo[0]));
+			      STN2(&(xo[4]), TN, TM, ovs);
+			      TO = VFMAI(TG, TF);
+			      STM2(&(xo[12]), TO, ovs, &(xo[0]));
+			      STN2(&(xo[12]), TO, TK, ovs);
+			      TP = VFMAI(TE, TB);
+			      STM2(&(xo[16]), TP, ovs, &(xo[0]));
+			      STN2(&(xo[16]), TP, TL, ovs);
+			      TQ = VFNMSI(TG, TF);
+			      STM2(&(xo[8]), TQ, ovs, &(xo[0]));
+			      STN2(&(xo[8]), TQ, TH, ovs);
+			 }
+		    }
+	       }
+	  }
+     }
+     VLEAVE();
+}
+
+static const kdft_desc desc = { 10, XSIMD_STRING("n2bv_10"), {24, 4, 18, 0}, &GENUS, 0, 2, 0, 0 };
+
+void XSIMD(codelet_n2bv_10) (planner *p) {
+     X(kdft_register) (p, n2bv_10, &desc);
+}
+
+#else
+
+/* Generated by: ../../../genfft/gen_notw_c.native -simd -compact -variables 4 -pipeline-latency 8 -sign 1 -n 10 -name n2bv_10 -with-ostride 2 -include dft/simd/n2b.h -store-multiple 2 */
+
+/*
+ * This function contains 42 FP additions, 12 FP multiplications,
+ * (or, 36 additions, 6 multiplications, 6 fused multiply/add),
+ * 36 stack variables, 4 constants, and 25 memory accesses
+ */
+#include "dft/simd/n2b.h"
+
+static void n2bv_10(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
+{
+     DVK(KP250000000, +0.250000000000000000000000000000000000000000000);
+     DVK(KP559016994, +0.559016994374947424102293417182819058860154590);
+     DVK(KP587785252, +0.587785252292473129168705954639072768597652438);
+     DVK(KP951056516, +0.951056516295153572116439333379382143405698634);
+     {
+	  INT i;
+	  const R *xi;
+	  R *xo;
+	  xi = ii;
+	  xo = io;
+	  for (i = v; i > 0; i = i - VL, xi = xi + (VL * ivs), xo = xo + (VL * ovs), MAKE_VOLATILE_STRIDE(20, is), MAKE_VOLATILE_STRIDE(20, os)) {
+	       V Tl, Ty, T7, Te, Tw, Tt, Tz, TA, TB, Tg, Th, Tm, Tj, Tk;
+	       Tj = LD(&(xi[0]), ivs, &(xi[0]));
+	       Tk = LD(&(xi[WS(is, 5)]), ivs, &(xi[WS(is, 1)]));
+	       Tl = VSUB(Tj, Tk);
+	       Ty = VADD(Tj, Tk);
+	       {
+		    V T3, Tr, Td, Tv, T6, Ts, Ta, Tu;
+		    {
+			 V T1, T2, Tb, Tc;
+			 T1 = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
+			 T2 = LD(&(xi[WS(is, 7)]), ivs, &(xi[WS(is, 1)]));
+			 T3 = VSUB(T1, T2);
+			 Tr = VADD(T1, T2);
+			 Tb = LD(&(xi[WS(is, 6)]), ivs, &(xi[0]));
+			 Tc = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
+			 Td = VSUB(Tb, Tc);
+			 Tv = VADD(Tb, Tc);
+		    }
+		    {
+			 V T4, T5, T8, T9;
+			 T4 = LD(&(xi[WS(is, 8)]), ivs, &(xi[0]));
+			 T5 = LD(&(xi[WS(is, 3)]), ivs, &(xi[WS(is, 1)]));
+			 T6 = VSUB(T4, T5);
+			 Ts = VADD(T4, T5);
+			 T8 = LD(&(xi[WS(is, 4)]), ivs, &(xi[0]));
+			 T9 = LD(&(xi[WS(is, 9)]), ivs, &(xi[WS(is, 1)]));
+			 Ta = VSUB(T8, T9);
+			 Tu = VADD(T8, T9);
+		    }
+		    T7 = VSUB(T3, T6);
+		    Te = VSUB(Ta, Td);
+		    Tw = VSUB(Tu, Tv);
+		    Tt = VSUB(Tr, Ts);
+		    Tz = VADD(Tr, Ts);
+		    TA = VADD(Tu, Tv);
+		    TB = VADD(Tz, TA);
+		    Tg = VADD(T3, T6);
+		    Th = VADD(Ta, Td);
+		    Tm = VADD(Tg, Th);
+	       }
+	       {
+		    V TH, TI, TK, TL, TM;
+		    TH = VADD(Tl, Tm);
+		    STM2(&(xo[10]), TH, ovs, &(xo[2]));
+		    TI = VADD(Ty, TB);
+		    STM2(&(xo[0]), TI, ovs, &(xo[0]));
+		    {
+			 V Tf, Tq, To, Tp, Ti, Tn, TJ;
+			 Tf = VBYI(VFMA(LDK(KP951056516), T7, VMUL(LDK(KP587785252), Te)));
+			 Tq = VBYI(VFNMS(LDK(KP951056516), Te, VMUL(LDK(KP587785252), T7)));
+			 Ti = VMUL(LDK(KP559016994), VSUB(Tg, Th));
+			 Tn = VFNMS(LDK(KP250000000), Tm, Tl);
+			 To = VADD(Ti, Tn);
+			 Tp = VSUB(Tn, Ti);
+			 TJ = VADD(Tf, To);
+			 STM2(&(xo[2]), TJ, ovs, &(xo[2]));
+			 STN2(&(xo[0]), TI, TJ, ovs);
+			 TK = VADD(Tq, Tp);
+			 STM2(&(xo[14]), TK, ovs, &(xo[2]));
+			 TL = VSUB(To, Tf);
+			 STM2(&(xo[18]), TL, ovs, &(xo[2]));
+			 TM = VSUB(Tp, Tq);
+			 STM2(&(xo[6]), TM, ovs, &(xo[2]));
+		    }
+		    {
+			 V Tx, TG, TE, TF, TC, TD;
+			 Tx = VBYI(VFNMS(LDK(KP951056516), Tw, VMUL(LDK(KP587785252), Tt)));
+			 TG = VBYI(VFMA(LDK(KP951056516), Tt, VMUL(LDK(KP587785252), Tw)));
+			 TC = VFNMS(LDK(KP250000000), TB, Ty);
+			 TD = VMUL(LDK(KP559016994), VSUB(Tz, TA));
+			 TE = VSUB(TC, TD);
+			 TF = VADD(TD, TC);
+			 {
+			      V TN, TO, TP, TQ;
+			      TN = VADD(Tx, TE);
+			      STM2(&(xo[4]), TN, ovs, &(xo[0]));
+			      STN2(&(xo[4]), TN, TM, ovs);
+			      TO = VADD(TG, TF);
+			      STM2(&(xo[12]), TO, ovs, &(xo[0]));
+			      STN2(&(xo[12]), TO, TK, ovs);
+			      TP = VSUB(TE, Tx);
+			      STM2(&(xo[16]), TP, ovs, &(xo[0]));
+			      STN2(&(xo[16]), TP, TL, ovs);
+			      TQ = VSUB(TF, TG);
+			      STM2(&(xo[8]), TQ, ovs, &(xo[0]));
+			      STN2(&(xo[8]), TQ, TH, ovs);
+			 }
+		    }
+	       }
+	  }
+     }
+     VLEAVE();
+}
+
+static const kdft_desc desc = { 10, XSIMD_STRING("n2bv_10"), {36, 6, 6, 0}, &GENUS, 0, 2, 0, 0 };
+
+void XSIMD(codelet_n2bv_10) (planner *p) {
+     X(kdft_register) (p, n2bv_10, &desc);
+}
+
+#endif