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diff src/fftw-3.3.3/dft/simd/common/t2bv_5.c @ 10:37bf6b4a2645

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Add FFTW3
author Chris Cannam
date Wed, 20 Mar 2013 15:35:50 +0000
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/fftw-3.3.3/dft/simd/common/t2bv_5.c	Wed Mar 20 15:35:50 2013 +0000
@@ -0,0 +1,176 @@
+/*
+ * 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 07:39:14 EST 2012 */
+
+#include "codelet-dft.h"
+
+#ifdef HAVE_FMA
+
+/* Generated by: ../../../genfft/gen_twiddle_c.native -fma -reorder-insns -schedule-for-pipeline -simd -compact -variables 4 -pipeline-latency 8 -n 5 -name t2bv_5 -include t2b.h -sign 1 */
+
+/*
+ * This function contains 20 FP additions, 19 FP multiplications,
+ * (or, 11 additions, 10 multiplications, 9 fused multiply/add),
+ * 26 stack variables, 4 constants, and 10 memory accesses
+ */
+#include "t2b.h"
+
+static void t2bv_5(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
+{
+     DVK(KP559016994, +0.559016994374947424102293417182819058860154590);
+     DVK(KP250000000, +0.250000000000000000000000000000000000000000000);
+     DVK(KP618033988, +0.618033988749894848204586834365638117720309180);
+     DVK(KP951056516, +0.951056516295153572116439333379382143405698634);
+     {
+	  INT m;
+	  R *x;
+	  x = ii;
+	  for (m = mb, W = W + (mb * ((TWVL / VL) * 8)); m < me; m = m + VL, x = x + (VL * ms), W = W + (TWVL * 8), MAKE_VOLATILE_STRIDE(5, rs)) {
+	       V T1, T2, T9, T4, T7;
+	       T1 = LD(&(x[0]), ms, &(x[0]));
+	       T2 = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)]));
+	       T9 = LD(&(x[WS(rs, 3)]), ms, &(x[WS(rs, 1)]));
+	       T4 = LD(&(x[WS(rs, 4)]), ms, &(x[0]));
+	       T7 = LD(&(x[WS(rs, 2)]), ms, &(x[0]));
+	       {
+		    V T3, Ta, T5, T8;
+		    T3 = BYTW(&(W[0]), T2);
+		    Ta = BYTW(&(W[TWVL * 4]), T9);
+		    T5 = BYTW(&(W[TWVL * 6]), T4);
+		    T8 = BYTW(&(W[TWVL * 2]), T7);
+		    {
+			 V T6, Tg, Tb, Th;
+			 T6 = VADD(T3, T5);
+			 Tg = VSUB(T3, T5);
+			 Tb = VADD(T8, Ta);
+			 Th = VSUB(T8, Ta);
+			 {
+			      V Te, Tc, Tk, Ti, Td, Tj, Tf;
+			      Te = VSUB(T6, Tb);
+			      Tc = VADD(T6, Tb);
+			      Tk = VMUL(LDK(KP951056516), VFNMS(LDK(KP618033988), Tg, Th));
+			      Ti = VMUL(LDK(KP951056516), VFMA(LDK(KP618033988), Th, Tg));
+			      Td = VFNMS(LDK(KP250000000), Tc, T1);
+			      ST(&(x[0]), VADD(T1, Tc), ms, &(x[0]));
+			      Tj = VFNMS(LDK(KP559016994), Te, Td);
+			      Tf = VFMA(LDK(KP559016994), Te, Td);
+			      ST(&(x[WS(rs, 2)]), VFNMSI(Tk, Tj), ms, &(x[0]));
+			      ST(&(x[WS(rs, 3)]), VFMAI(Tk, Tj), ms, &(x[WS(rs, 1)]));
+			      ST(&(x[WS(rs, 4)]), VFNMSI(Ti, Tf), ms, &(x[0]));
+			      ST(&(x[WS(rs, 1)]), VFMAI(Ti, Tf), ms, &(x[WS(rs, 1)]));
+			 }
+		    }
+	       }
+	  }
+     }
+     VLEAVE();
+}
+
+static const tw_instr twinstr[] = {
+     VTW(0, 1),
+     VTW(0, 2),
+     VTW(0, 3),
+     VTW(0, 4),
+     {TW_NEXT, VL, 0}
+};
+
+static const ct_desc desc = { 5, XSIMD_STRING("t2bv_5"), twinstr, &GENUS, {11, 10, 9, 0}, 0, 0, 0 };
+
+void XSIMD(codelet_t2bv_5) (planner *p) {
+     X(kdft_dit_register) (p, t2bv_5, &desc);
+}
+#else				/* HAVE_FMA */
+
+/* Generated by: ../../../genfft/gen_twiddle_c.native -simd -compact -variables 4 -pipeline-latency 8 -n 5 -name t2bv_5 -include t2b.h -sign 1 */
+
+/*
+ * This function contains 20 FP additions, 14 FP multiplications,
+ * (or, 17 additions, 11 multiplications, 3 fused multiply/add),
+ * 20 stack variables, 4 constants, and 10 memory accesses
+ */
+#include "t2b.h"
+
+static void t2bv_5(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
+{
+     DVK(KP250000000, +0.250000000000000000000000000000000000000000000);
+     DVK(KP559016994, +0.559016994374947424102293417182819058860154590);
+     DVK(KP587785252, +0.587785252292473129168705954639072768597652438);
+     DVK(KP951056516, +0.951056516295153572116439333379382143405698634);
+     {
+	  INT m;
+	  R *x;
+	  x = ii;
+	  for (m = mb, W = W + (mb * ((TWVL / VL) * 8)); m < me; m = m + VL, x = x + (VL * ms), W = W + (TWVL * 8), MAKE_VOLATILE_STRIDE(5, rs)) {
+	       V Tf, T5, Ta, Tc, Td, Tg;
+	       Tf = LD(&(x[0]), ms, &(x[0]));
+	       {
+		    V T2, T9, T4, T7;
+		    {
+			 V T1, T8, T3, T6;
+			 T1 = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)]));
+			 T2 = BYTW(&(W[0]), T1);
+			 T8 = LD(&(x[WS(rs, 3)]), ms, &(x[WS(rs, 1)]));
+			 T9 = BYTW(&(W[TWVL * 4]), T8);
+			 T3 = LD(&(x[WS(rs, 4)]), ms, &(x[0]));
+			 T4 = BYTW(&(W[TWVL * 6]), T3);
+			 T6 = LD(&(x[WS(rs, 2)]), ms, &(x[0]));
+			 T7 = BYTW(&(W[TWVL * 2]), T6);
+		    }
+		    T5 = VSUB(T2, T4);
+		    Ta = VSUB(T7, T9);
+		    Tc = VADD(T2, T4);
+		    Td = VADD(T7, T9);
+		    Tg = VADD(Tc, Td);
+	       }
+	       ST(&(x[0]), VADD(Tf, Tg), ms, &(x[0]));
+	       {
+		    V Tb, Tj, Ti, Tk, Te, Th;
+		    Tb = VBYI(VFMA(LDK(KP951056516), T5, VMUL(LDK(KP587785252), Ta)));
+		    Tj = VBYI(VFNMS(LDK(KP951056516), Ta, VMUL(LDK(KP587785252), T5)));
+		    Te = VMUL(LDK(KP559016994), VSUB(Tc, Td));
+		    Th = VFNMS(LDK(KP250000000), Tg, Tf);
+		    Ti = VADD(Te, Th);
+		    Tk = VSUB(Th, Te);
+		    ST(&(x[WS(rs, 1)]), VADD(Tb, Ti), ms, &(x[WS(rs, 1)]));
+		    ST(&(x[WS(rs, 3)]), VSUB(Tk, Tj), ms, &(x[WS(rs, 1)]));
+		    ST(&(x[WS(rs, 4)]), VSUB(Ti, Tb), ms, &(x[0]));
+		    ST(&(x[WS(rs, 2)]), VADD(Tj, Tk), ms, &(x[0]));
+	       }
+	  }
+     }
+     VLEAVE();
+}
+
+static const tw_instr twinstr[] = {
+     VTW(0, 1),
+     VTW(0, 2),
+     VTW(0, 3),
+     VTW(0, 4),
+     {TW_NEXT, VL, 0}
+};
+
+static const ct_desc desc = { 5, XSIMD_STRING("t2bv_5"), twinstr, &GENUS, {17, 11, 3, 0}, 0, 0, 0 };
+
+void XSIMD(codelet_t2bv_5) (planner *p) {
+     X(kdft_dit_register) (p, t2bv_5, &desc);
+}
+#endif				/* HAVE_FMA */