132 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			132 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Copyright (c) 2003, 2007-14 Matteo Frigo
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 * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; either version 2 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
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 *
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 */
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/* This file was automatically generated --- DO NOT EDIT */
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/* Generated on Tue Sep 14 10:47:12 EDT 2021 */
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#include "rdft/codelet-rdft.h"
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#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
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/* Generated by: ../../../genfft/gen_hc2cdft.native -fma -compact -variables 4 -pipeline-latency 4 -sign 1 -n 2 -dif -name hc2cbdft_2 -include rdft/scalar/hc2cb.h */
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/*
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 * This function contains 10 FP additions, 4 FP multiplications,
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 * (or, 8 additions, 2 multiplications, 2 fused multiply/add),
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 * 15 stack variables, 0 constants, and 8 memory accesses
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 */
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#include "rdft/scalar/hc2cb.h"
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static void hc2cbdft_2(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms)
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{
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     {
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	  INT m;
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	  for (m = mb, W = W + ((mb - 1) * 2); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 2, MAKE_VOLATILE_STRIDE(8, rs)) {
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	       E T3, Ta, Tc, T9, Td, T4, T8, Tb, Te;
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	       {
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		    E T1, T2, T5, T6, T7;
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		    T1 = Ip[0];
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		    T2 = Im[0];
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		    T3 = T1 - T2;
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		    Ta = T1 + T2;
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		    T5 = Rp[0];
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		    T6 = Rm[0];
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		    T7 = T5 - T6;
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		    Tc = T5 + T6;
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		    T9 = W[1];
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		    Td = T9 * T7;
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		    T4 = W[0];
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		    T8 = T4 * T7;
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	       }
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	       Tb = FNMS(T9, Ta, T8);
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	       Ip[0] = T3 + Tb;
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	       Im[0] = Tb - T3;
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	       Te = FMA(T4, Ta, Td);
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	       Rp[0] = Tc - Te;
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	       Rm[0] = Tc + Te;
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	  }
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     }
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}
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static const tw_instr twinstr[] = {
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     { TW_FULL, 1, 2 },
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     { TW_NEXT, 1, 0 }
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};
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static const hc2c_desc desc = { 2, "hc2cbdft_2", twinstr, &GENUS, { 8, 2, 2, 0 } };
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void X(codelet_hc2cbdft_2) (planner *p) {
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     X(khc2c_register) (p, hc2cbdft_2, &desc, HC2C_VIA_DFT);
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}
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#else
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/* Generated by: ../../../genfft/gen_hc2cdft.native -compact -variables 4 -pipeline-latency 4 -sign 1 -n 2 -dif -name hc2cbdft_2 -include rdft/scalar/hc2cb.h */
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/*
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 * This function contains 10 FP additions, 4 FP multiplications,
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 * (or, 8 additions, 2 multiplications, 2 fused multiply/add),
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 * 9 stack variables, 0 constants, and 8 memory accesses
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 */
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#include "rdft/scalar/hc2cb.h"
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static void hc2cbdft_2(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms)
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{
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     {
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	  INT m;
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	  for (m = mb, W = W + ((mb - 1) * 2); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 2, MAKE_VOLATILE_STRIDE(8, rs)) {
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	       E T3, T9, T7, Tb;
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	       {
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		    E T1, T2, T5, T6;
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		    T1 = Ip[0];
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		    T2 = Im[0];
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		    T3 = T1 - T2;
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		    T9 = T1 + T2;
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		    T5 = Rp[0];
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		    T6 = Rm[0];
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		    T7 = T5 - T6;
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		    Tb = T5 + T6;
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	       }
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	       {
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		    E Ta, Tc, T4, T8;
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		    T4 = W[0];
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		    T8 = W[1];
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		    Ta = FNMS(T8, T9, T4 * T7);
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		    Tc = FMA(T8, T7, T4 * T9);
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		    Ip[0] = T3 + Ta;
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		    Rp[0] = Tb - Tc;
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		    Im[0] = Ta - T3;
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		    Rm[0] = Tb + Tc;
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	       }
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	  }
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     }
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}
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static const tw_instr twinstr[] = {
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     { TW_FULL, 1, 2 },
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     { TW_NEXT, 1, 0 }
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};
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static const hc2c_desc desc = { 2, "hc2cbdft_2", twinstr, &GENUS, { 8, 2, 2, 0 } };
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void X(codelet_hc2cbdft_2) (planner *p) {
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     X(khc2c_register) (p, hc2cbdft_2, &desc, HC2C_VIA_DFT);
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}
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#endif
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