/* * Copyright (c) 2003, 2006 Matteo Frigo * Copyright (c) 2003, 2006 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 * */ /* This file was automatically generated --- DO NOT EDIT */ /* Generated on Sat Jul 1 14:59:08 EDT 2006 */ #include "codelet-dft.h" #ifdef HAVE_FMA /* Generated by: ../../../genfft/gen_twiddle_c -fma -reorder-insns -schedule-for-pipeline -simd -compact -variables 4 -pipeline-latency 8 -n 4 -name t1bv_4 -include t1b.h -sign 1 */ /* * This function contains 11 FP additions, 8 FP multiplications, * (or, 9 additions, 6 multiplications, 2 fused multiply/add), * 13 stack variables, and 8 memory accesses */ /* * Generator Id's : * $Id: algsimp.ml,v 1.9 2006-02-12 23:34:12 athena Exp $ * $Id: fft.ml,v 1.4 2006-01-05 03:04:27 stevenj Exp $ * $Id: gen_twiddle_c.ml,v 1.14 2006-02-12 23:34:12 athena Exp $ */ #include "t1b.h" static const R *t1bv_4(R *ri, R *ii, const R *W, stride ios, INT m, INT dist) { INT i; R *x; x = ii; for (i = m; i > 0; i = i - VL, x = x + (VL * dist), W = W + (TWVL * 6), MAKE_VOLATILE_STRIDE(ios)) { V T1, T7, T2, T5, T8, T3, T6; T1 = LD(&(x[0]), dist, &(x[0])); T7 = LD(&(x[WS(ios, 3)]), dist, &(x[WS(ios, 1)])); T2 = LD(&(x[WS(ios, 2)]), dist, &(x[0])); T5 = LD(&(x[WS(ios, 1)]), dist, &(x[WS(ios, 1)])); T8 = BYTW(&(W[TWVL * 4]), T7); T3 = BYTW(&(W[TWVL * 2]), T2); T6 = BYTW(&(W[0]), T5); { V Ta, T4, Tb, T9; Ta = VADD(T1, T3); T4 = VSUB(T1, T3); Tb = VADD(T6, T8); T9 = VSUB(T6, T8); ST(&(x[0]), VADD(Ta, Tb), dist, &(x[0])); ST(&(x[WS(ios, 2)]), VSUB(Ta, Tb), dist, &(x[0])); ST(&(x[WS(ios, 1)]), VFMAI(T9, T4), dist, &(x[WS(ios, 1)])); ST(&(x[WS(ios, 3)]), VFNMSI(T9, T4), dist, &(x[WS(ios, 1)])); } } return W; } static const tw_instr twinstr[] = { VTW(1), VTW(2), VTW(3), {TW_NEXT, VL, 0} }; static const ct_desc desc = { 4, "t1bv_4", twinstr, &GENUS, {9, 6, 2, 0}, 0, 0, 0 }; void X(codelet_t1bv_4) (planner *p) { X(kdft_dit_register) (p, t1bv_4, &desc); } #else /* HAVE_FMA */ /* Generated by: ../../../genfft/gen_twiddle_c -simd -compact -variables 4 -pipeline-latency 8 -n 4 -name t1bv_4 -include t1b.h -sign 1 */ /* * This function contains 11 FP additions, 6 FP multiplications, * (or, 11 additions, 6 multiplications, 0 fused multiply/add), * 13 stack variables, and 8 memory accesses */ /* * Generator Id's : * $Id: algsimp.ml,v 1.9 2006-02-12 23:34:12 athena Exp $ * $Id: fft.ml,v 1.4 2006-01-05 03:04:27 stevenj Exp $ * $Id: gen_twiddle_c.ml,v 1.14 2006-02-12 23:34:12 athena Exp $ */ #include "t1b.h" static const R *t1bv_4(R *ri, R *ii, const R *W, stride ios, INT m, INT dist) { INT i; R *x; x = ii; for (i = m; i > 0; i = i - VL, x = x + (VL * dist), W = W + (TWVL * 6), MAKE_VOLATILE_STRIDE(ios)) { V T1, T8, T3, T6, T7, T2, T5; T1 = LD(&(x[0]), dist, &(x[0])); T7 = LD(&(x[WS(ios, 3)]), dist, &(x[WS(ios, 1)])); T8 = BYTW(&(W[TWVL * 4]), T7); T2 = LD(&(x[WS(ios, 2)]), dist, &(x[0])); T3 = BYTW(&(W[TWVL * 2]), T2); T5 = LD(&(x[WS(ios, 1)]), dist, &(x[WS(ios, 1)])); T6 = BYTW(&(W[0]), T5); { V T4, T9, Ta, Tb; T4 = VSUB(T1, T3); T9 = VBYI(VSUB(T6, T8)); ST(&(x[WS(ios, 3)]), VSUB(T4, T9), dist, &(x[WS(ios, 1)])); ST(&(x[WS(ios, 1)]), VADD(T4, T9), dist, &(x[WS(ios, 1)])); Ta = VADD(T1, T3); Tb = VADD(T6, T8); ST(&(x[WS(ios, 2)]), VSUB(Ta, Tb), dist, &(x[0])); ST(&(x[0]), VADD(Ta, Tb), dist, &(x[0])); } } return W; } static const tw_instr twinstr[] = { VTW(1), VTW(2), VTW(3), {TW_NEXT, VL, 0} }; static const ct_desc desc = { 4, "t1bv_4", twinstr, &GENUS, {11, 6, 0, 0}, 0, 0, 0 }; void X(codelet_t1bv_4) (planner *p) { X(kdft_dit_register) (p, t1bv_4, &desc); } #endif /* HAVE_FMA */