/* * Copyright (c) 2003, 2007-8 Matteo Frigo * Copyright (c) 2003, 2007-8 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ /* Generated by: ../../genfft/gen_notw_c -standalone -fma -reorder-insns -simd -compact -variables 100000 -with-ostride 2 -include fftw-spu.h -store-multiple 2 -n 12 -name X(spu_n2fv_12) */ /* * This function contains 48 FP additions, 20 FP multiplications, * (or, 30 additions, 2 multiplications, 18 fused multiply/add), * 65 stack variables, 2 constants, and 30 memory accesses */ #include "fftw-spu.h" void X(spu_n2fv_12) (const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs) { DVK(KP866025403, +0.866025403784438646763723170752936183471402627); DVK(KP500000000, +0.500000000000000000000000000000000000000000000); INT i; const R *xi; R *xo; xi = ri; xo = ro; for (i = v; i > 0; i = i - VL, xi = xi + (VL * ivs), xo = xo + (VL * ovs), MAKE_VOLATILE_STRIDE(is), MAKE_VOLATILE_STRIDE(os)) { V TF, T5, Ta, TG, Tt, TB, TA, Ti, Tm, TI, Tp, TJ, T1, T6, Tr; V T4, Ts, T9, T2, T3, T7, T8, Tk, Tn, Tl, Te, To, Th, Tc, Td; V Tf, Tg, TN, TO, TP, TQ, TL, TM, TH, TK, Tx, Ty, TT, TU, Tj; V Tv, Tw, Tu, Tb, Tq, TR, TS, TE, TC, TD, Tz, TV, TW, TX, TY; T1 = LD(&(xi[0]), ivs, &(xi[0])); T6 = LD(&(xi[WS(is, 6)]), ivs, &(xi[0])); T2 = LD(&(xi[WS(is, 4)]), ivs, &(xi[0])); T3 = LD(&(xi[WS(is, 8)]), ivs, &(xi[0])); Tr = VSUB(T3, T2); T4 = VADD(T2, T3); T7 = LD(&(xi[WS(is, 10)]), ivs, &(xi[0])); T8 = LD(&(xi[WS(is, 2)]), ivs, &(xi[0])); Ts = VSUB(T8, T7); T9 = VADD(T7, T8); TF = VADD(T1, T4); T5 = VFNMS(LDK(KP500000000), T4, T1); Ta = VFNMS(LDK(KP500000000), T9, T6); TG = VADD(T6, T9); Tt = VSUB(Tr, Ts); TB = VADD(Tr, Ts); Tk = LD(&(xi[WS(is, 3)]), ivs, &(xi[WS(is, 1)])); Tn = LD(&(xi[WS(is, 9)]), ivs, &(xi[WS(is, 1)])); Tc = LD(&(xi[WS(is, 11)]), ivs, &(xi[WS(is, 1)])); Td = LD(&(xi[WS(is, 7)]), ivs, &(xi[WS(is, 1)])); Tl = VADD(Td, Tc); Te = VSUB(Tc, Td); Tf = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)])); Tg = LD(&(xi[WS(is, 5)]), ivs, &(xi[WS(is, 1)])); To = VADD(Tf, Tg); Th = VSUB(Tf, Tg); TA = VSUB(Te, Th); Ti = VADD(Te, Th); Tm = VFNMS(LDK(KP500000000), Tl, Tk); TI = VADD(Tk, Tl); Tp = VFNMS(LDK(KP500000000), To, Tn); TJ = VADD(Tn, To); TL = VADD(TF, TG); TH = VSUB(TF, TG); TK = VSUB(TI, TJ); TM = VADD(TI, TJ); TN = VFNMSI(TK, TH); STM2(&(xo[18]), TN, ovs, &(xo[2])); TO = VFMAI(TK, TH); STM2(&(xo[6]), TO, ovs, &(xo[2])); TP = VSUB(TL, TM); STM2(&(xo[12]), TP, ovs, &(xo[0])); TQ = VADD(TL, TM); STM2(&(xo[0]), TQ, ovs, &(xo[0])); Tx = VADD(T5, Ta); Tb = VSUB(T5, Ta); Tj = VFMA(LDK(KP866025403), Ti, Tb); Tv = VFNMS(LDK(KP866025403), Ti, Tb); Tq = VSUB(Tm, Tp); Ty = VADD(Tm, Tp); Tw = VFMA(LDK(KP866025403), Tt, Tq); Tu = VFNMS(LDK(KP866025403), Tt, Tq); TR = VFNMSI(Tu, Tj); STM2(&(xo[2]), TR, ovs, &(xo[2])); STN2(&(xo[0]), TQ, TR, ovs); TS = VFMAI(Tw, Tv); STM2(&(xo[14]), TS, ovs, &(xo[2])); STN2(&(xo[12]), TP, TS, ovs); TT = VFMAI(Tu, Tj); STM2(&(xo[22]), TT, ovs, &(xo[2])); TU = VFNMSI(Tw, Tv); STM2(&(xo[10]), TU, ovs, &(xo[2])); TE = VMUL(LDK(KP866025403), VADD(TB, TA)); TC = VMUL(LDK(KP866025403), VSUB(TA, TB)); TD = VADD(Tx, Ty); Tz = VSUB(Tx, Ty); TV = VFMAI(TC, Tz); STM2(&(xo[4]), TV, ovs, &(xo[0])); STN2(&(xo[4]), TV, TO, ovs); TW = VFNMSI(TE, TD); STM2(&(xo[16]), TW, ovs, &(xo[0])); STN2(&(xo[16]), TW, TN, ovs); TX = VFNMSI(TC, Tz); STM2(&(xo[20]), TX, ovs, &(xo[0])); STN2(&(xo[20]), TX, TT, ovs); TY = VFMAI(TE, TD); STM2(&(xo[8]), TY, ovs, &(xo[0])); STN2(&(xo[8]), TY, TU, ovs); } }