111 lines
		
	
	
		
			4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			111 lines
		
	
	
		
			4 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 10:44:59 EDT 2021 */
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| 
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| #include "dft/codelet-dft.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_notw_c.native -fma -simd -compact -variables 4 -pipeline-latency 8 -n 3 -name n1fv_3 -include dft/simd/n1f.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, 3 additions, 1 multiplications, 3 fused multiply/add),
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|  * 11 stack variables, 2 constants, and 6 memory accesses
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|  */
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| #include "dft/simd/n1f.h"
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| 
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| static void n1fv_3(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
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| {
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|      DVK(KP500000000, +0.500000000000000000000000000000000000000000000);
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|      DVK(KP866025403, +0.866025403784438646763723170752936183471402627);
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|      {
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| 	  INT i;
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| 	  const R *xi;
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| 	  R *xo;
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| 	  xi = ri;
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| 	  xo = ro;
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| 	  for (i = v; i > 0; i = i - VL, xi = xi + (VL * ivs), xo = xo + (VL * ovs), MAKE_VOLATILE_STRIDE(6, is), MAKE_VOLATILE_STRIDE(6, os)) {
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| 	       V T1, T4, T6, T2, T3, T5;
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| 	       T1 = LD(&(xi[0]), ivs, &(xi[0]));
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| 	       T2 = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
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| 	       T3 = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
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| 	       T4 = VADD(T2, T3);
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| 	       T6 = VMUL(LDK(KP866025403), VSUB(T3, T2));
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| 	       ST(&(xo[0]), VADD(T1, T4), ovs, &(xo[0]));
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| 	       T5 = VFNMS(LDK(KP500000000), T4, T1);
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| 	       ST(&(xo[WS(os, 2)]), VFNMSI(T6, T5), ovs, &(xo[0]));
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| 	       ST(&(xo[WS(os, 1)]), VFMAI(T6, T5), ovs, &(xo[WS(os, 1)]));
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| 	  }
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|      }
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|      VLEAVE();
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| }
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| 
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| static const kdft_desc desc = { 3, XSIMD_STRING("n1fv_3"), { 3, 1, 3, 0 }, &GENUS, 0, 0, 0, 0 };
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| 
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| void XSIMD(codelet_n1fv_3) (planner *p) { X(kdft_register) (p, n1fv_3, &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_notw_c.native -simd -compact -variables 4 -pipeline-latency 8 -n 3 -name n1fv_3 -include dft/simd/n1f.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, 5 additions, 1 multiplications, 1 fused multiply/add),
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|  * 11 stack variables, 2 constants, and 6 memory accesses
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|  */
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| #include "dft/simd/n1f.h"
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| 
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| static void n1fv_3(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
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| {
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|      DVK(KP500000000, +0.500000000000000000000000000000000000000000000);
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|      DVK(KP866025403, +0.866025403784438646763723170752936183471402627);
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|      {
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| 	  INT i;
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| 	  const R *xi;
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| 	  R *xo;
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| 	  xi = ri;
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| 	  xo = ro;
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| 	  for (i = v; i > 0; i = i - VL, xi = xi + (VL * ivs), xo = xo + (VL * ovs), MAKE_VOLATILE_STRIDE(6, is), MAKE_VOLATILE_STRIDE(6, os)) {
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| 	       V T1, T4, T6, T2, T3, T5;
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| 	       T1 = LD(&(xi[0]), ivs, &(xi[0]));
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| 	       T2 = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
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| 	       T3 = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
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| 	       T4 = VADD(T2, T3);
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| 	       T6 = VBYI(VMUL(LDK(KP866025403), VSUB(T3, T2)));
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| 	       ST(&(xo[0]), VADD(T1, T4), ovs, &(xo[0]));
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| 	       T5 = VFNMS(LDK(KP500000000), T4, T1);
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| 	       ST(&(xo[WS(os, 2)]), VSUB(T5, T6), ovs, &(xo[0]));
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| 	       ST(&(xo[WS(os, 1)]), VADD(T5, T6), ovs, &(xo[WS(os, 1)]));
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| 	  }
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|      }
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|      VLEAVE();
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| }
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| 
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| static const kdft_desc desc = { 3, XSIMD_STRING("n1fv_3"), { 5, 1, 1, 0 }, &GENUS, 0, 0, 0, 0 };
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| 
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| void XSIMD(codelet_n1fv_3) (planner *p) { X(kdft_register) (p, n1fv_3, &desc);
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| }
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| 
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| #endif
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