106 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			106 lines
		
	
	
		
			3.6 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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| 
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| /* This file was automatically generated --- DO NOT EDIT */
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| /* Generated on Tue Sep 14 10:46:47 EDT 2021 */
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| 
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| #include "rdft/codelet-rdft.h"
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| 
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| #if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
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| 
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| /* Generated by: ../../../genfft/gen_r2cb.native -fma -compact -variables 4 -pipeline-latency 4 -sign 1 -n 4 -name r2cb_4 -include rdft/scalar/r2cb.h */
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| 
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| /*
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|  * This function contains 6 FP additions, 4 FP multiplications,
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|  * (or, 2 additions, 0 multiplications, 4 fused multiply/add),
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|  * 8 stack variables, 1 constants, and 8 memory accesses
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|  */
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| #include "rdft/scalar/r2cb.h"
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| 
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| static void r2cb_4(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
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| {
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|      DK(KP2_000000000, +2.000000000000000000000000000000000000000000000);
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|      {
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| 	  INT i;
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| 	  for (i = v; i > 0; i = i - 1, R0 = R0 + ovs, R1 = R1 + ovs, Cr = Cr + ivs, Ci = Ci + ivs, MAKE_VOLATILE_STRIDE(16, rs), MAKE_VOLATILE_STRIDE(16, csr), MAKE_VOLATILE_STRIDE(16, csi)) {
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| 	       E T4, T6, T3, T5, T1, T2;
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| 	       T4 = Cr[WS(csr, 1)];
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| 	       T6 = Ci[WS(csi, 1)];
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| 	       T1 = Cr[0];
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| 	       T2 = Cr[WS(csr, 2)];
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| 	       T3 = T1 + T2;
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| 	       T5 = T1 - T2;
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| 	       R0[WS(rs, 1)] = FNMS(KP2_000000000, T4, T3);
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| 	       R1[WS(rs, 1)] = FMA(KP2_000000000, T6, T5);
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| 	       R0[0] = FMA(KP2_000000000, T4, T3);
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| 	       R1[0] = FNMS(KP2_000000000, T6, T5);
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| 	  }
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|      }
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| }
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| 
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| static const kr2c_desc desc = { 4, "r2cb_4", { 2, 0, 4, 0 }, &GENUS };
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| 
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| void X(codelet_r2cb_4) (planner *p) { X(kr2c_register) (p, r2cb_4, &desc);
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| }
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| 
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| #else
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| 
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| /* Generated by: ../../../genfft/gen_r2cb.native -compact -variables 4 -pipeline-latency 4 -sign 1 -n 4 -name r2cb_4 -include rdft/scalar/r2cb.h */
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| 
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| /*
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|  * This function contains 6 FP additions, 2 FP multiplications,
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|  * (or, 6 additions, 2 multiplications, 0 fused multiply/add),
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|  * 10 stack variables, 1 constants, and 8 memory accesses
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|  */
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| #include "rdft/scalar/r2cb.h"
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| 
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| static void r2cb_4(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
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| {
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|      DK(KP2_000000000, +2.000000000000000000000000000000000000000000000);
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|      {
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| 	  INT i;
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| 	  for (i = v; i > 0; i = i - 1, R0 = R0 + ovs, R1 = R1 + ovs, Cr = Cr + ivs, Ci = Ci + ivs, MAKE_VOLATILE_STRIDE(16, rs), MAKE_VOLATILE_STRIDE(16, csr), MAKE_VOLATILE_STRIDE(16, csi)) {
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| 	       E T5, T8, T3, T6;
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| 	       {
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| 		    E T4, T7, T1, T2;
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| 		    T4 = Cr[WS(csr, 1)];
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| 		    T5 = KP2_000000000 * T4;
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| 		    T7 = Ci[WS(csi, 1)];
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| 		    T8 = KP2_000000000 * T7;
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| 		    T1 = Cr[0];
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| 		    T2 = Cr[WS(csr, 2)];
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| 		    T3 = T1 + T2;
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| 		    T6 = T1 - T2;
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| 	       }
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| 	       R0[WS(rs, 1)] = T3 - T5;
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| 	       R1[WS(rs, 1)] = T6 + T8;
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| 	       R0[0] = T3 + T5;
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| 	       R1[0] = T6 - T8;
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| 	  }
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|      }
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| }
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| 
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| static const kr2c_desc desc = { 4, "r2cb_4", { 6, 2, 0, 0 }, &GENUS };
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| 
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| void X(codelet_r2cb_4) (planner *p) { X(kr2c_register) (p, r2cb_4, &desc);
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| }
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| 
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| #endif
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