/* * 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_twiddle_c -standalone -fma -reorder-insns -simd -compact -variables 100000 -include fftw-spu.h -trivial-stores -n 10 -name X(spu_t1fv_10) */ /* * This function contains 51 FP additions, 40 FP multiplications, * (or, 33 additions, 22 multiplications, 18 fused multiply/add), * 67 stack variables, 4 constants, and 20 memory accesses */ #include "fftw-spu.h" void X(spu_t1fv_10) (R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms) { DVK(KP559016994, +0.559016994374947424102293417182819058860154590); DVK(KP618033988, +0.618033988749894848204586834365638117720309180); DVK(KP951056516, +0.951056516295153572116439333379382143405698634); DVK(KP250000000, +0.250000000000000000000000000000000000000000000); INT m; R *x; x = ri; for (m = mb, W = W + (mb * ((TWVL / VL) * 18)); m < me; m = m + VL, x = x + (VL * ms), W = W + (TWVL * 18), MAKE_VOLATILE_STRIDE(rs)) { V T4, TF, Tv, Tw, TR, TQ, TM, TO, Tt, Tr, T1, T3, T2, T9, TG; V Tp, TK, Te, TH, Tk, TJ, T6, T8, T5, T7, Tm, To, Tl, Tn, Tb; V Td, Ta, Tc, Th, Tj, Tg, Ti, Tf, Tq, TI, TL, Ts, TN, TE, TZ; V Tx, TB, Tu, TA, Tz, TC, Ty, TD, TS, TW, TP, TV, TU, TX, TT; V TY; T1 = LD(&(x[0]), ms, &(x[0])); T2 = LD(&(x[WS(rs, 5)]), ms, &(x[WS(rs, 1)])); T3 = BYTWJ(&(W[TWVL * 8]), T2); T4 = VSUB(T1, T3); TF = VADD(T1, T3); T5 = LD(&(x[WS(rs, 2)]), ms, &(x[0])); T6 = BYTWJ(&(W[TWVL * 2]), T5); T7 = LD(&(x[WS(rs, 7)]), ms, &(x[WS(rs, 1)])); T8 = BYTWJ(&(W[TWVL * 12]), T7); T9 = VSUB(T6, T8); TG = VADD(T6, T8); Tl = LD(&(x[WS(rs, 6)]), ms, &(x[0])); Tm = BYTWJ(&(W[TWVL * 10]), Tl); Tn = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)])); To = BYTWJ(&(W[0]), Tn); Tp = VSUB(Tm, To); TK = VADD(Tm, To); Ta = LD(&(x[WS(rs, 8)]), ms, &(x[0])); Tb = BYTWJ(&(W[TWVL * 14]), Ta); Tc = LD(&(x[WS(rs, 3)]), ms, &(x[WS(rs, 1)])); Td = BYTWJ(&(W[TWVL * 4]), Tc); Te = VSUB(Tb, Td); TH = VADD(Tb, Td); Tg = LD(&(x[WS(rs, 4)]), ms, &(x[0])); Th = BYTWJ(&(W[TWVL * 6]), Tg); Ti = LD(&(x[WS(rs, 9)]), ms, &(x[WS(rs, 1)])); Tj = BYTWJ(&(W[TWVL * 16]), Ti); Tk = VSUB(Th, Tj); TJ = VADD(Th, Tj); Tv = VSUB(T9, Te); Tf = VADD(T9, Te); Tq = VADD(Tk, Tp); Tw = VSUB(Tk, Tp); TR = VSUB(TG, TH); TI = VADD(TG, TH); TL = VADD(TJ, TK); TQ = VSUB(TJ, TK); TM = VADD(TI, TL); TO = VSUB(TI, TL); Tt = VSUB(Tf, Tq); Tr = VADD(Tf, Tq); TE = VADD(T4, Tr); Ts = VFNMS(LDK(KP250000000), Tr, T4); ST(&(x[WS(rs, 5)]), TE, ms, &(x[WS(rs, 1)])); TZ = VADD(TF, TM); TN = VFNMS(LDK(KP250000000), TM, TF); ST(&(x[0]), TZ, ms, &(x[0])); Tx = VMUL(LDK(KP951056516), VFMA(LDK(KP618033988), Tw, Tv)); TB = VMUL(LDK(KP951056516), VFNMS(LDK(KP618033988), Tv, Tw)); Tu = VFMA(LDK(KP559016994), Tt, Ts); TA = VFNMS(LDK(KP559016994), Tt, Ts); Ty = VFNMSI(Tx, Tu); Tz = VFMAI(Tx, Tu); ST(&(x[WS(rs, 1)]), Ty, ms, &(x[WS(rs, 1)])); TD = VFMAI(TB, TA); TC = VFNMSI(TB, TA); ST(&(x[WS(rs, 7)]), TD, ms, &(x[WS(rs, 1)])); ST(&(x[WS(rs, 9)]), Tz, ms, &(x[WS(rs, 1)])); ST(&(x[WS(rs, 3)]), TC, ms, &(x[WS(rs, 1)])); TS = VMUL(LDK(KP951056516), VFNMS(LDK(KP618033988), TR, TQ)); TW = VMUL(LDK(KP951056516), VFMA(LDK(KP618033988), TQ, TR)); TP = VFNMS(LDK(KP559016994), TO, TN); TV = VFMA(LDK(KP559016994), TO, TN); TT = VFMAI(TS, TP); TU = VFNMSI(TS, TP); ST(&(x[WS(rs, 2)]), TT, ms, &(x[0])); TY = VFNMSI(TW, TV); TX = VFMAI(TW, TV); ST(&(x[WS(rs, 6)]), TY, ms, &(x[0])); ST(&(x[WS(rs, 8)]), TU, ms, &(x[0])); ST(&(x[WS(rs, 4)]), TX, ms, &(x[0])); } }