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diff src/fftw-3.3.8/dft/simd/common/n2sv_8.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/n2sv_8.c	Tue Nov 19 14:52:55 2019 +0000
@@ -0,0 +1,328 @@
+/*
+ * 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 08:05:19 EDT 2018 */
+
+#include "dft/codelet-dft.h"
+
+#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
+
+/* Generated by: ../../../genfft/gen_notw.native -fma -simd -compact -variables 4 -pipeline-latency 8 -n 8 -name n2sv_8 -with-ostride 1 -include dft/simd/n2s.h -store-multiple 4 */
+
+/*
+ * This function contains 52 FP additions, 8 FP multiplications,
+ * (or, 44 additions, 0 multiplications, 8 fused multiply/add),
+ * 34 stack variables, 1 constants, and 36 memory accesses
+ */
+#include "dft/simd/n2s.h"
+
+static void n2sv_8(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
+{
+     DVK(KP707106781, +0.707106781186547524400844362104849039284835938);
+     {
+	  INT i;
+	  for (i = v; i > 0; i = i - (2 * VL), ri = ri + ((2 * VL) * ivs), ii = ii + ((2 * VL) * ivs), ro = ro + ((2 * VL) * ovs), io = io + ((2 * VL) * ovs), MAKE_VOLATILE_STRIDE(32, is), MAKE_VOLATILE_STRIDE(32, os)) {
+	       V T3, Tn, Ti, TC, T6, TB, Tl, To, Td, TN, Tz, TH, Ta, TM, Tu;
+	       V TG;
+	       {
+		    V T1, T2, Tj, Tk;
+		    T1 = LD(&(ri[0]), ivs, &(ri[0]));
+		    T2 = LD(&(ri[WS(is, 4)]), ivs, &(ri[0]));
+		    T3 = VADD(T1, T2);
+		    Tn = VSUB(T1, T2);
+		    {
+			 V Tg, Th, T4, T5;
+			 Tg = LD(&(ii[0]), ivs, &(ii[0]));
+			 Th = LD(&(ii[WS(is, 4)]), ivs, &(ii[0]));
+			 Ti = VADD(Tg, Th);
+			 TC = VSUB(Tg, Th);
+			 T4 = LD(&(ri[WS(is, 2)]), ivs, &(ri[0]));
+			 T5 = LD(&(ri[WS(is, 6)]), ivs, &(ri[0]));
+			 T6 = VADD(T4, T5);
+			 TB = VSUB(T4, T5);
+		    }
+		    Tj = LD(&(ii[WS(is, 2)]), ivs, &(ii[0]));
+		    Tk = LD(&(ii[WS(is, 6)]), ivs, &(ii[0]));
+		    Tl = VADD(Tj, Tk);
+		    To = VSUB(Tj, Tk);
+		    {
+			 V Tb, Tc, Tv, Tw, Tx, Ty;
+			 Tb = LD(&(ri[WS(is, 7)]), ivs, &(ri[WS(is, 1)]));
+			 Tc = LD(&(ri[WS(is, 3)]), ivs, &(ri[WS(is, 1)]));
+			 Tv = VSUB(Tb, Tc);
+			 Tw = LD(&(ii[WS(is, 7)]), ivs, &(ii[WS(is, 1)]));
+			 Tx = LD(&(ii[WS(is, 3)]), ivs, &(ii[WS(is, 1)]));
+			 Ty = VSUB(Tw, Tx);
+			 Td = VADD(Tb, Tc);
+			 TN = VADD(Tw, Tx);
+			 Tz = VSUB(Tv, Ty);
+			 TH = VADD(Tv, Ty);
+		    }
+		    {
+			 V T8, T9, Tq, Tr, Ts, Tt;
+			 T8 = LD(&(ri[WS(is, 1)]), ivs, &(ri[WS(is, 1)]));
+			 T9 = LD(&(ri[WS(is, 5)]), ivs, &(ri[WS(is, 1)]));
+			 Tq = VSUB(T8, T9);
+			 Tr = LD(&(ii[WS(is, 1)]), ivs, &(ii[WS(is, 1)]));
+			 Ts = LD(&(ii[WS(is, 5)]), ivs, &(ii[WS(is, 1)]));
+			 Tt = VSUB(Tr, Ts);
+			 Ta = VADD(T8, T9);
+			 TM = VADD(Tr, Ts);
+			 Tu = VADD(Tq, Tt);
+			 TG = VSUB(Tt, Tq);
+		    }
+	       }
+	       {
+		    V TR, TS, TT, TU, TV, TW, TX, TY;
+		    {
+			 V T7, Te, TP, TQ;
+			 T7 = VADD(T3, T6);
+			 Te = VADD(Ta, Td);
+			 TR = VSUB(T7, Te);
+			 STM4(&(ro[4]), TR, ovs, &(ro[0]));
+			 TS = VADD(T7, Te);
+			 STM4(&(ro[0]), TS, ovs, &(ro[0]));
+			 TP = VADD(Ti, Tl);
+			 TQ = VADD(TM, TN);
+			 TT = VSUB(TP, TQ);
+			 STM4(&(io[4]), TT, ovs, &(io[0]));
+			 TU = VADD(TP, TQ);
+			 STM4(&(io[0]), TU, ovs, &(io[0]));
+		    }
+		    {
+			 V Tf, Tm, TL, TO;
+			 Tf = VSUB(Td, Ta);
+			 Tm = VSUB(Ti, Tl);
+			 TV = VADD(Tf, Tm);
+			 STM4(&(io[2]), TV, ovs, &(io[0]));
+			 TW = VSUB(Tm, Tf);
+			 STM4(&(io[6]), TW, ovs, &(io[0]));
+			 TL = VSUB(T3, T6);
+			 TO = VSUB(TM, TN);
+			 TX = VSUB(TL, TO);
+			 STM4(&(ro[6]), TX, ovs, &(ro[0]));
+			 TY = VADD(TL, TO);
+			 STM4(&(ro[2]), TY, ovs, &(ro[0]));
+		    }
+		    {
+			 V TZ, T10, T11, T12;
+			 {
+			      V Tp, TA, TJ, TK;
+			      Tp = VADD(Tn, To);
+			      TA = VADD(Tu, Tz);
+			      TZ = VFNMS(LDK(KP707106781), TA, Tp);
+			      STM4(&(ro[5]), TZ, ovs, &(ro[1]));
+			      T10 = VFMA(LDK(KP707106781), TA, Tp);
+			      STM4(&(ro[1]), T10, ovs, &(ro[1]));
+			      TJ = VSUB(TC, TB);
+			      TK = VADD(TG, TH);
+			      T11 = VFNMS(LDK(KP707106781), TK, TJ);
+			      STM4(&(io[5]), T11, ovs, &(io[1]));
+			      T12 = VFMA(LDK(KP707106781), TK, TJ);
+			      STM4(&(io[1]), T12, ovs, &(io[1]));
+			 }
+			 {
+			      V TD, TE, T13, T14;
+			      TD = VADD(TB, TC);
+			      TE = VSUB(Tz, Tu);
+			      T13 = VFNMS(LDK(KP707106781), TE, TD);
+			      STM4(&(io[7]), T13, ovs, &(io[1]));
+			      STN4(&(io[4]), TT, T11, TW, T13, ovs);
+			      T14 = VFMA(LDK(KP707106781), TE, TD);
+			      STM4(&(io[3]), T14, ovs, &(io[1]));
+			      STN4(&(io[0]), TU, T12, TV, T14, ovs);
+			 }
+			 {
+			      V TF, TI, T15, T16;
+			      TF = VSUB(Tn, To);
+			      TI = VSUB(TG, TH);
+			      T15 = VFNMS(LDK(KP707106781), TI, TF);
+			      STM4(&(ro[7]), T15, ovs, &(ro[1]));
+			      STN4(&(ro[4]), TR, TZ, TX, T15, ovs);
+			      T16 = VFMA(LDK(KP707106781), TI, TF);
+			      STM4(&(ro[3]), T16, ovs, &(ro[1]));
+			      STN4(&(ro[0]), TS, T10, TY, T16, ovs);
+			 }
+		    }
+	       }
+	  }
+     }
+     VLEAVE();
+}
+
+static const kdft_desc desc = { 8, XSIMD_STRING("n2sv_8"), {44, 0, 8, 0}, &GENUS, 0, 1, 0, 0 };
+
+void XSIMD(codelet_n2sv_8) (planner *p) {
+     X(kdft_register) (p, n2sv_8, &desc);
+}
+
+#else
+
+/* Generated by: ../../../genfft/gen_notw.native -simd -compact -variables 4 -pipeline-latency 8 -n 8 -name n2sv_8 -with-ostride 1 -include dft/simd/n2s.h -store-multiple 4 */
+
+/*
+ * This function contains 52 FP additions, 4 FP multiplications,
+ * (or, 52 additions, 4 multiplications, 0 fused multiply/add),
+ * 34 stack variables, 1 constants, and 36 memory accesses
+ */
+#include "dft/simd/n2s.h"
+
+static void n2sv_8(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
+{
+     DVK(KP707106781, +0.707106781186547524400844362104849039284835938);
+     {
+	  INT i;
+	  for (i = v; i > 0; i = i - (2 * VL), ri = ri + ((2 * VL) * ivs), ii = ii + ((2 * VL) * ivs), ro = ro + ((2 * VL) * ovs), io = io + ((2 * VL) * ovs), MAKE_VOLATILE_STRIDE(32, is), MAKE_VOLATILE_STRIDE(32, os)) {
+	       V T3, Tn, Ti, TC, T6, TB, Tl, To, Td, TN, Tz, TH, Ta, TM, Tu;
+	       V TG;
+	       {
+		    V T1, T2, Tj, Tk;
+		    T1 = LD(&(ri[0]), ivs, &(ri[0]));
+		    T2 = LD(&(ri[WS(is, 4)]), ivs, &(ri[0]));
+		    T3 = VADD(T1, T2);
+		    Tn = VSUB(T1, T2);
+		    {
+			 V Tg, Th, T4, T5;
+			 Tg = LD(&(ii[0]), ivs, &(ii[0]));
+			 Th = LD(&(ii[WS(is, 4)]), ivs, &(ii[0]));
+			 Ti = VADD(Tg, Th);
+			 TC = VSUB(Tg, Th);
+			 T4 = LD(&(ri[WS(is, 2)]), ivs, &(ri[0]));
+			 T5 = LD(&(ri[WS(is, 6)]), ivs, &(ri[0]));
+			 T6 = VADD(T4, T5);
+			 TB = VSUB(T4, T5);
+		    }
+		    Tj = LD(&(ii[WS(is, 2)]), ivs, &(ii[0]));
+		    Tk = LD(&(ii[WS(is, 6)]), ivs, &(ii[0]));
+		    Tl = VADD(Tj, Tk);
+		    To = VSUB(Tj, Tk);
+		    {
+			 V Tb, Tc, Tv, Tw, Tx, Ty;
+			 Tb = LD(&(ri[WS(is, 7)]), ivs, &(ri[WS(is, 1)]));
+			 Tc = LD(&(ri[WS(is, 3)]), ivs, &(ri[WS(is, 1)]));
+			 Tv = VSUB(Tb, Tc);
+			 Tw = LD(&(ii[WS(is, 7)]), ivs, &(ii[WS(is, 1)]));
+			 Tx = LD(&(ii[WS(is, 3)]), ivs, &(ii[WS(is, 1)]));
+			 Ty = VSUB(Tw, Tx);
+			 Td = VADD(Tb, Tc);
+			 TN = VADD(Tw, Tx);
+			 Tz = VSUB(Tv, Ty);
+			 TH = VADD(Tv, Ty);
+		    }
+		    {
+			 V T8, T9, Tq, Tr, Ts, Tt;
+			 T8 = LD(&(ri[WS(is, 1)]), ivs, &(ri[WS(is, 1)]));
+			 T9 = LD(&(ri[WS(is, 5)]), ivs, &(ri[WS(is, 1)]));
+			 Tq = VSUB(T8, T9);
+			 Tr = LD(&(ii[WS(is, 1)]), ivs, &(ii[WS(is, 1)]));
+			 Ts = LD(&(ii[WS(is, 5)]), ivs, &(ii[WS(is, 1)]));
+			 Tt = VSUB(Tr, Ts);
+			 Ta = VADD(T8, T9);
+			 TM = VADD(Tr, Ts);
+			 Tu = VADD(Tq, Tt);
+			 TG = VSUB(Tt, Tq);
+		    }
+	       }
+	       {
+		    V TR, TS, TT, TU, TV, TW, TX, TY;
+		    {
+			 V T7, Te, TP, TQ;
+			 T7 = VADD(T3, T6);
+			 Te = VADD(Ta, Td);
+			 TR = VSUB(T7, Te);
+			 STM4(&(ro[4]), TR, ovs, &(ro[0]));
+			 TS = VADD(T7, Te);
+			 STM4(&(ro[0]), TS, ovs, &(ro[0]));
+			 TP = VADD(Ti, Tl);
+			 TQ = VADD(TM, TN);
+			 TT = VSUB(TP, TQ);
+			 STM4(&(io[4]), TT, ovs, &(io[0]));
+			 TU = VADD(TP, TQ);
+			 STM4(&(io[0]), TU, ovs, &(io[0]));
+		    }
+		    {
+			 V Tf, Tm, TL, TO;
+			 Tf = VSUB(Td, Ta);
+			 Tm = VSUB(Ti, Tl);
+			 TV = VADD(Tf, Tm);
+			 STM4(&(io[2]), TV, ovs, &(io[0]));
+			 TW = VSUB(Tm, Tf);
+			 STM4(&(io[6]), TW, ovs, &(io[0]));
+			 TL = VSUB(T3, T6);
+			 TO = VSUB(TM, TN);
+			 TX = VSUB(TL, TO);
+			 STM4(&(ro[6]), TX, ovs, &(ro[0]));
+			 TY = VADD(TL, TO);
+			 STM4(&(ro[2]), TY, ovs, &(ro[0]));
+		    }
+		    {
+			 V TZ, T10, T11, T12;
+			 {
+			      V Tp, TA, TJ, TK;
+			      Tp = VADD(Tn, To);
+			      TA = VMUL(LDK(KP707106781), VADD(Tu, Tz));
+			      TZ = VSUB(Tp, TA);
+			      STM4(&(ro[5]), TZ, ovs, &(ro[1]));
+			      T10 = VADD(Tp, TA);
+			      STM4(&(ro[1]), T10, ovs, &(ro[1]));
+			      TJ = VSUB(TC, TB);
+			      TK = VMUL(LDK(KP707106781), VADD(TG, TH));
+			      T11 = VSUB(TJ, TK);
+			      STM4(&(io[5]), T11, ovs, &(io[1]));
+			      T12 = VADD(TJ, TK);
+			      STM4(&(io[1]), T12, ovs, &(io[1]));
+			 }
+			 {
+			      V TD, TE, T13, T14;
+			      TD = VADD(TB, TC);
+			      TE = VMUL(LDK(KP707106781), VSUB(Tz, Tu));
+			      T13 = VSUB(TD, TE);
+			      STM4(&(io[7]), T13, ovs, &(io[1]));
+			      STN4(&(io[4]), TT, T11, TW, T13, ovs);
+			      T14 = VADD(TD, TE);
+			      STM4(&(io[3]), T14, ovs, &(io[1]));
+			      STN4(&(io[0]), TU, T12, TV, T14, ovs);
+			 }
+			 {
+			      V TF, TI, T15, T16;
+			      TF = VSUB(Tn, To);
+			      TI = VMUL(LDK(KP707106781), VSUB(TG, TH));
+			      T15 = VSUB(TF, TI);
+			      STM4(&(ro[7]), T15, ovs, &(ro[1]));
+			      STN4(&(ro[4]), TR, TZ, TX, T15, ovs);
+			      T16 = VADD(TF, TI);
+			      STM4(&(ro[3]), T16, ovs, &(ro[1]));
+			      STN4(&(ro[0]), TS, T10, TY, T16, ovs);
+			 }
+		    }
+	       }
+	  }
+     }
+     VLEAVE();
+}
+
+static const kdft_desc desc = { 8, XSIMD_STRING("n2sv_8"), {52, 4, 0, 0}, &GENUS, 0, 1, 0, 0 };
+
+void XSIMD(codelet_n2sv_8) (planner *p) {
+     X(kdft_register) (p, n2sv_8, &desc);
+}
+
+#endif