351 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			351 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * 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 Tue Sep 14 10:45:05 EDT 2021 */
 | |
| 
 | |
| #include "dft/codelet-dft.h"
 | |
| 
 | |
| #if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
 | |
| 
 | |
| /* Generated by: ../../../genfft/gen_notw_c.native -fma -simd -compact -variables 4 -pipeline-latency 8 -sign 1 -n 16 -name n1bv_16 -include dft/simd/n1b.h */
 | |
| 
 | |
| /*
 | |
|  * This function contains 72 FP additions, 34 FP multiplications,
 | |
|  * (or, 38 additions, 0 multiplications, 34 fused multiply/add),
 | |
|  * 30 stack variables, 3 constants, and 32 memory accesses
 | |
|  */
 | |
| #include "dft/simd/n1b.h"
 | |
| 
 | |
| static void n1bv_16(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
 | |
| {
 | |
|      DVK(KP923879532, +0.923879532511286756128183189396788286822416626);
 | |
|      DVK(KP707106781, +0.707106781186547524400844362104849039284835938);
 | |
|      DVK(KP414213562, +0.414213562373095048801688724209698078569671875);
 | |
|      {
 | |
| 	  INT i;
 | |
| 	  const R *xi;
 | |
| 	  R *xo;
 | |
| 	  xi = ii;
 | |
| 	  xo = io;
 | |
| 	  for (i = v; i > 0; i = i - VL, xi = xi + (VL * ivs), xo = xo + (VL * ovs), MAKE_VOLATILE_STRIDE(32, is), MAKE_VOLATILE_STRIDE(32, os)) {
 | |
| 	       V T7, TU, Tz, TH, Tu, TV, TA, TK, Te, TX, TC, TO, Tl, TY, TD;
 | |
| 	       V TR;
 | |
| 	       {
 | |
| 		    V T1, T2, T3, T4, T5, T6;
 | |
| 		    T1 = LD(&(xi[0]), ivs, &(xi[0]));
 | |
| 		    T2 = LD(&(xi[WS(is, 8)]), ivs, &(xi[0]));
 | |
| 		    T3 = VADD(T1, T2);
 | |
| 		    T4 = LD(&(xi[WS(is, 4)]), ivs, &(xi[0]));
 | |
| 		    T5 = LD(&(xi[WS(is, 12)]), ivs, &(xi[0]));
 | |
| 		    T6 = VADD(T4, T5);
 | |
| 		    T7 = VSUB(T3, T6);
 | |
| 		    TU = VSUB(T4, T5);
 | |
| 		    Tz = VADD(T3, T6);
 | |
| 		    TH = VSUB(T1, T2);
 | |
| 	       }
 | |
| 	       {
 | |
| 		    V Tq, TI, Tt, TJ;
 | |
| 		    {
 | |
| 			 V To, Tp, Tr, Ts;
 | |
| 			 To = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
 | |
| 			 Tp = LD(&(xi[WS(is, 10)]), ivs, &(xi[0]));
 | |
| 			 Tq = VADD(To, Tp);
 | |
| 			 TI = VSUB(To, Tp);
 | |
| 			 Tr = LD(&(xi[WS(is, 14)]), ivs, &(xi[0]));
 | |
| 			 Ts = LD(&(xi[WS(is, 6)]), ivs, &(xi[0]));
 | |
| 			 Tt = VADD(Tr, Ts);
 | |
| 			 TJ = VSUB(Tr, Ts);
 | |
| 		    }
 | |
| 		    Tu = VSUB(Tq, Tt);
 | |
| 		    TV = VSUB(TI, TJ);
 | |
| 		    TA = VADD(Tq, Tt);
 | |
| 		    TK = VADD(TI, TJ);
 | |
| 	       }
 | |
| 	       {
 | |
| 		    V Ta, TM, Td, TN;
 | |
| 		    {
 | |
| 			 V T8, T9, Tb, Tc;
 | |
| 			 T8 = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
 | |
| 			 T9 = LD(&(xi[WS(is, 9)]), ivs, &(xi[WS(is, 1)]));
 | |
| 			 Ta = VADD(T8, T9);
 | |
| 			 TM = VSUB(T8, T9);
 | |
| 			 Tb = LD(&(xi[WS(is, 5)]), ivs, &(xi[WS(is, 1)]));
 | |
| 			 Tc = LD(&(xi[WS(is, 13)]), ivs, &(xi[WS(is, 1)]));
 | |
| 			 Td = VADD(Tb, Tc);
 | |
| 			 TN = VSUB(Tb, Tc);
 | |
| 		    }
 | |
| 		    Te = VSUB(Ta, Td);
 | |
| 		    TX = VFMA(LDK(KP414213562), TM, TN);
 | |
| 		    TC = VADD(Ta, Td);
 | |
| 		    TO = VFNMS(LDK(KP414213562), TN, TM);
 | |
| 	       }
 | |
| 	       {
 | |
| 		    V Th, TP, Tk, TQ;
 | |
| 		    {
 | |
| 			 V Tf, Tg, Ti, Tj;
 | |
| 			 Tf = LD(&(xi[WS(is, 15)]), ivs, &(xi[WS(is, 1)]));
 | |
| 			 Tg = LD(&(xi[WS(is, 7)]), ivs, &(xi[WS(is, 1)]));
 | |
| 			 Th = VADD(Tf, Tg);
 | |
| 			 TP = VSUB(Tf, Tg);
 | |
| 			 Ti = LD(&(xi[WS(is, 3)]), ivs, &(xi[WS(is, 1)]));
 | |
| 			 Tj = LD(&(xi[WS(is, 11)]), ivs, &(xi[WS(is, 1)]));
 | |
| 			 Tk = VADD(Ti, Tj);
 | |
| 			 TQ = VSUB(Tj, Ti);
 | |
| 		    }
 | |
| 		    Tl = VSUB(Th, Tk);
 | |
| 		    TY = VFMA(LDK(KP414213562), TP, TQ);
 | |
| 		    TD = VADD(Th, Tk);
 | |
| 		    TR = VFNMS(LDK(KP414213562), TQ, TP);
 | |
| 	       }
 | |
| 	       {
 | |
| 		    V TB, TE, TF, TG;
 | |
| 		    TB = VSUB(Tz, TA);
 | |
| 		    TE = VSUB(TC, TD);
 | |
| 		    ST(&(xo[WS(os, 12)]), VFNMSI(TE, TB), ovs, &(xo[0]));
 | |
| 		    ST(&(xo[WS(os, 4)]), VFMAI(TE, TB), ovs, &(xo[0]));
 | |
| 		    TF = VADD(Tz, TA);
 | |
| 		    TG = VADD(TC, TD);
 | |
| 		    ST(&(xo[WS(os, 8)]), VSUB(TF, TG), ovs, &(xo[0]));
 | |
| 		    ST(&(xo[0]), VADD(TF, TG), ovs, &(xo[0]));
 | |
| 	       }
 | |
| 	       {
 | |
| 		    V Tn, Tx, Tw, Ty, Tm, Tv;
 | |
| 		    Tm = VADD(Te, Tl);
 | |
| 		    Tn = VFNMS(LDK(KP707106781), Tm, T7);
 | |
| 		    Tx = VFMA(LDK(KP707106781), Tm, T7);
 | |
| 		    Tv = VSUB(Te, Tl);
 | |
| 		    Tw = VFNMS(LDK(KP707106781), Tv, Tu);
 | |
| 		    Ty = VFMA(LDK(KP707106781), Tv, Tu);
 | |
| 		    ST(&(xo[WS(os, 6)]), VFNMSI(Tw, Tn), ovs, &(xo[0]));
 | |
| 		    ST(&(xo[WS(os, 14)]), VFNMSI(Ty, Tx), ovs, &(xo[0]));
 | |
| 		    ST(&(xo[WS(os, 10)]), VFMAI(Tw, Tn), ovs, &(xo[0]));
 | |
| 		    ST(&(xo[WS(os, 2)]), VFMAI(Ty, Tx), ovs, &(xo[0]));
 | |
| 	       }
 | |
| 	       {
 | |
| 		    V TT, T11, T10, T12;
 | |
| 		    {
 | |
| 			 V TL, TS, TW, TZ;
 | |
| 			 TL = VFMA(LDK(KP707106781), TK, TH);
 | |
| 			 TS = VADD(TO, TR);
 | |
| 			 TT = VFNMS(LDK(KP923879532), TS, TL);
 | |
| 			 T11 = VFMA(LDK(KP923879532), TS, TL);
 | |
| 			 TW = VFMA(LDK(KP707106781), TV, TU);
 | |
| 			 TZ = VSUB(TX, TY);
 | |
| 			 T10 = VFNMS(LDK(KP923879532), TZ, TW);
 | |
| 			 T12 = VFMA(LDK(KP923879532), TZ, TW);
 | |
| 		    }
 | |
| 		    ST(&(xo[WS(os, 7)]), VFNMSI(T10, TT), ovs, &(xo[WS(os, 1)]));
 | |
| 		    ST(&(xo[WS(os, 1)]), VFMAI(T12, T11), ovs, &(xo[WS(os, 1)]));
 | |
| 		    ST(&(xo[WS(os, 9)]), VFMAI(T10, TT), ovs, &(xo[WS(os, 1)]));
 | |
| 		    ST(&(xo[WS(os, 15)]), VFNMSI(T12, T11), ovs, &(xo[WS(os, 1)]));
 | |
| 	       }
 | |
| 	       {
 | |
| 		    V T15, T19, T18, T1a;
 | |
| 		    {
 | |
| 			 V T13, T14, T16, T17;
 | |
| 			 T13 = VFNMS(LDK(KP707106781), TK, TH);
 | |
| 			 T14 = VADD(TX, TY);
 | |
| 			 T15 = VFNMS(LDK(KP923879532), T14, T13);
 | |
| 			 T19 = VFMA(LDK(KP923879532), T14, T13);
 | |
| 			 T16 = VFNMS(LDK(KP707106781), TV, TU);
 | |
| 			 T17 = VSUB(TO, TR);
 | |
| 			 T18 = VFMA(LDK(KP923879532), T17, T16);
 | |
| 			 T1a = VFNMS(LDK(KP923879532), T17, T16);
 | |
| 		    }
 | |
| 		    ST(&(xo[WS(os, 5)]), VFMAI(T18, T15), ovs, &(xo[WS(os, 1)]));
 | |
| 		    ST(&(xo[WS(os, 13)]), VFMAI(T1a, T19), ovs, &(xo[WS(os, 1)]));
 | |
| 		    ST(&(xo[WS(os, 11)]), VFNMSI(T18, T15), ovs, &(xo[WS(os, 1)]));
 | |
| 		    ST(&(xo[WS(os, 3)]), VFNMSI(T1a, T19), ovs, &(xo[WS(os, 1)]));
 | |
| 	       }
 | |
| 	  }
 | |
|      }
 | |
|      VLEAVE();
 | |
| }
 | |
| 
 | |
| static const kdft_desc desc = { 16, XSIMD_STRING("n1bv_16"), { 38, 0, 34, 0 }, &GENUS, 0, 0, 0, 0 };
 | |
| 
 | |
| void XSIMD(codelet_n1bv_16) (planner *p) { X(kdft_register) (p, n1bv_16, &desc);
 | |
| }
 | |
| 
 | |
| #else
 | |
| 
 | |
| /* Generated by: ../../../genfft/gen_notw_c.native -simd -compact -variables 4 -pipeline-latency 8 -sign 1 -n 16 -name n1bv_16 -include dft/simd/n1b.h */
 | |
| 
 | |
| /*
 | |
|  * This function contains 72 FP additions, 12 FP multiplications,
 | |
|  * (or, 68 additions, 8 multiplications, 4 fused multiply/add),
 | |
|  * 30 stack variables, 3 constants, and 32 memory accesses
 | |
|  */
 | |
| #include "dft/simd/n1b.h"
 | |
| 
 | |
| static void n1bv_16(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
 | |
| {
 | |
|      DVK(KP382683432, +0.382683432365089771728459984030398866761344562);
 | |
|      DVK(KP923879532, +0.923879532511286756128183189396788286822416626);
 | |
|      DVK(KP707106781, +0.707106781186547524400844362104849039284835938);
 | |
|      {
 | |
| 	  INT i;
 | |
| 	  const R *xi;
 | |
| 	  R *xo;
 | |
| 	  xi = ii;
 | |
| 	  xo = io;
 | |
| 	  for (i = v; i > 0; i = i - VL, xi = xi + (VL * ivs), xo = xo + (VL * ovs), MAKE_VOLATILE_STRIDE(32, is), MAKE_VOLATILE_STRIDE(32, os)) {
 | |
| 	       V Tp, T13, Tu, TY, Tm, T14, Tv, TU, T7, T16, Tx, TN, Te, T17, Ty;
 | |
| 	       V TQ;
 | |
| 	       {
 | |
| 		    V Tn, To, TX, Ts, Tt, TW;
 | |
| 		    Tn = LD(&(xi[WS(is, 4)]), ivs, &(xi[0]));
 | |
| 		    To = LD(&(xi[WS(is, 12)]), ivs, &(xi[0]));
 | |
| 		    TX = VADD(Tn, To);
 | |
| 		    Ts = LD(&(xi[0]), ivs, &(xi[0]));
 | |
| 		    Tt = LD(&(xi[WS(is, 8)]), ivs, &(xi[0]));
 | |
| 		    TW = VADD(Ts, Tt);
 | |
| 		    Tp = VSUB(Tn, To);
 | |
| 		    T13 = VADD(TW, TX);
 | |
| 		    Tu = VSUB(Ts, Tt);
 | |
| 		    TY = VSUB(TW, TX);
 | |
| 	       }
 | |
| 	       {
 | |
| 		    V Ti, TS, Tl, TT;
 | |
| 		    {
 | |
| 			 V Tg, Th, Tj, Tk;
 | |
| 			 Tg = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
 | |
| 			 Th = LD(&(xi[WS(is, 10)]), ivs, &(xi[0]));
 | |
| 			 Ti = VSUB(Tg, Th);
 | |
| 			 TS = VADD(Tg, Th);
 | |
| 			 Tj = LD(&(xi[WS(is, 14)]), ivs, &(xi[0]));
 | |
| 			 Tk = LD(&(xi[WS(is, 6)]), ivs, &(xi[0]));
 | |
| 			 Tl = VSUB(Tj, Tk);
 | |
| 			 TT = VADD(Tj, Tk);
 | |
| 		    }
 | |
| 		    Tm = VMUL(LDK(KP707106781), VSUB(Ti, Tl));
 | |
| 		    T14 = VADD(TS, TT);
 | |
| 		    Tv = VMUL(LDK(KP707106781), VADD(Ti, Tl));
 | |
| 		    TU = VSUB(TS, TT);
 | |
| 	       }
 | |
| 	       {
 | |
| 		    V T3, TL, T6, TM;
 | |
| 		    {
 | |
| 			 V T1, T2, T4, T5;
 | |
| 			 T1 = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
 | |
| 			 T2 = LD(&(xi[WS(is, 9)]), ivs, &(xi[WS(is, 1)]));
 | |
| 			 T3 = VSUB(T1, T2);
 | |
| 			 TL = VADD(T1, T2);
 | |
| 			 T4 = LD(&(xi[WS(is, 5)]), ivs, &(xi[WS(is, 1)]));
 | |
| 			 T5 = LD(&(xi[WS(is, 13)]), ivs, &(xi[WS(is, 1)]));
 | |
| 			 T6 = VSUB(T4, T5);
 | |
| 			 TM = VADD(T4, T5);
 | |
| 		    }
 | |
| 		    T7 = VFNMS(LDK(KP382683432), T6, VMUL(LDK(KP923879532), T3));
 | |
| 		    T16 = VADD(TL, TM);
 | |
| 		    Tx = VFMA(LDK(KP382683432), T3, VMUL(LDK(KP923879532), T6));
 | |
| 		    TN = VSUB(TL, TM);
 | |
| 	       }
 | |
| 	       {
 | |
| 		    V Ta, TO, Td, TP;
 | |
| 		    {
 | |
| 			 V T8, T9, Tb, Tc;
 | |
| 			 T8 = LD(&(xi[WS(is, 15)]), ivs, &(xi[WS(is, 1)]));
 | |
| 			 T9 = LD(&(xi[WS(is, 7)]), ivs, &(xi[WS(is, 1)]));
 | |
| 			 Ta = VSUB(T8, T9);
 | |
| 			 TO = VADD(T8, T9);
 | |
| 			 Tb = LD(&(xi[WS(is, 3)]), ivs, &(xi[WS(is, 1)]));
 | |
| 			 Tc = LD(&(xi[WS(is, 11)]), ivs, &(xi[WS(is, 1)]));
 | |
| 			 Td = VSUB(Tb, Tc);
 | |
| 			 TP = VADD(Tb, Tc);
 | |
| 		    }
 | |
| 		    Te = VFMA(LDK(KP923879532), Ta, VMUL(LDK(KP382683432), Td));
 | |
| 		    T17 = VADD(TO, TP);
 | |
| 		    Ty = VFNMS(LDK(KP382683432), Ta, VMUL(LDK(KP923879532), Td));
 | |
| 		    TQ = VSUB(TO, TP);
 | |
| 	       }
 | |
| 	       {
 | |
| 		    V T15, T18, T19, T1a;
 | |
| 		    T15 = VSUB(T13, T14);
 | |
| 		    T18 = VBYI(VSUB(T16, T17));
 | |
| 		    ST(&(xo[WS(os, 12)]), VSUB(T15, T18), ovs, &(xo[0]));
 | |
| 		    ST(&(xo[WS(os, 4)]), VADD(T15, T18), ovs, &(xo[0]));
 | |
| 		    T19 = VADD(T13, T14);
 | |
| 		    T1a = VADD(T16, T17);
 | |
| 		    ST(&(xo[WS(os, 8)]), VSUB(T19, T1a), ovs, &(xo[0]));
 | |
| 		    ST(&(xo[0]), VADD(T19, T1a), ovs, &(xo[0]));
 | |
| 	       }
 | |
| 	       {
 | |
| 		    V TV, T11, T10, T12, TR, TZ;
 | |
| 		    TR = VMUL(LDK(KP707106781), VSUB(TN, TQ));
 | |
| 		    TV = VBYI(VSUB(TR, TU));
 | |
| 		    T11 = VBYI(VADD(TU, TR));
 | |
| 		    TZ = VMUL(LDK(KP707106781), VADD(TN, TQ));
 | |
| 		    T10 = VSUB(TY, TZ);
 | |
| 		    T12 = VADD(TY, TZ);
 | |
| 		    ST(&(xo[WS(os, 6)]), VADD(TV, T10), ovs, &(xo[0]));
 | |
| 		    ST(&(xo[WS(os, 14)]), VSUB(T12, T11), ovs, &(xo[0]));
 | |
| 		    ST(&(xo[WS(os, 10)]), VSUB(T10, TV), ovs, &(xo[0]));
 | |
| 		    ST(&(xo[WS(os, 2)]), VADD(T11, T12), ovs, &(xo[0]));
 | |
| 	       }
 | |
| 	       {
 | |
| 		    V Tr, TB, TA, TC;
 | |
| 		    {
 | |
| 			 V Tf, Tq, Tw, Tz;
 | |
| 			 Tf = VSUB(T7, Te);
 | |
| 			 Tq = VSUB(Tm, Tp);
 | |
| 			 Tr = VBYI(VSUB(Tf, Tq));
 | |
| 			 TB = VBYI(VADD(Tq, Tf));
 | |
| 			 Tw = VSUB(Tu, Tv);
 | |
| 			 Tz = VSUB(Tx, Ty);
 | |
| 			 TA = VSUB(Tw, Tz);
 | |
| 			 TC = VADD(Tw, Tz);
 | |
| 		    }
 | |
| 		    ST(&(xo[WS(os, 5)]), VADD(Tr, TA), ovs, &(xo[WS(os, 1)]));
 | |
| 		    ST(&(xo[WS(os, 13)]), VSUB(TC, TB), ovs, &(xo[WS(os, 1)]));
 | |
| 		    ST(&(xo[WS(os, 11)]), VSUB(TA, Tr), ovs, &(xo[WS(os, 1)]));
 | |
| 		    ST(&(xo[WS(os, 3)]), VADD(TB, TC), ovs, &(xo[WS(os, 1)]));
 | |
| 	       }
 | |
| 	       {
 | |
| 		    V TF, TJ, TI, TK;
 | |
| 		    {
 | |
| 			 V TD, TE, TG, TH;
 | |
| 			 TD = VADD(Tu, Tv);
 | |
| 			 TE = VADD(T7, Te);
 | |
| 			 TF = VADD(TD, TE);
 | |
| 			 TJ = VSUB(TD, TE);
 | |
| 			 TG = VADD(Tp, Tm);
 | |
| 			 TH = VADD(Tx, Ty);
 | |
| 			 TI = VBYI(VADD(TG, TH));
 | |
| 			 TK = VBYI(VSUB(TH, TG));
 | |
| 		    }
 | |
| 		    ST(&(xo[WS(os, 15)]), VSUB(TF, TI), ovs, &(xo[WS(os, 1)]));
 | |
| 		    ST(&(xo[WS(os, 7)]), VADD(TJ, TK), ovs, &(xo[WS(os, 1)]));
 | |
| 		    ST(&(xo[WS(os, 1)]), VADD(TF, TI), ovs, &(xo[WS(os, 1)]));
 | |
| 		    ST(&(xo[WS(os, 9)]), VSUB(TJ, TK), ovs, &(xo[WS(os, 1)]));
 | |
| 	       }
 | |
| 	  }
 | |
|      }
 | |
|      VLEAVE();
 | |
| }
 | |
| 
 | |
| static const kdft_desc desc = { 16, XSIMD_STRING("n1bv_16"), { 68, 8, 4, 0 }, &GENUS, 0, 0, 0, 0 };
 | |
| 
 | |
| void XSIMD(codelet_n1bv_16) (planner *p) { X(kdft_register) (p, n1bv_16, &desc);
 | |
| }
 | |
| 
 | |
| #endif
 | 
