/* PowerPC-32 gmp-mparam.h -- Compiler/machine parameter header file. Copyright 2002, 2004, 2006 Free Software Foundation, Inc. This file is part of the GNU MP Library. The GNU MP Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. The GNU MP Library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */ #define BITS_PER_MP_LIMB 32 #define BYTES_PER_MP_LIMB 4 /* This file is used for 75x (G3) and for 7400/7410 (G4), both which have much slow multiply instructions. */ /* 450 MHz PowerPC 7400 */ /* Generated by tuneup.c, 2006-03-21, gcc 4.0.1 */ #define MUL_KARATSUBA_THRESHOLD 10 #define MUL_TOOM3_THRESHOLD 66 #define SQR_BASECASE_THRESHOLD 4 #define SQR_KARATSUBA_THRESHOLD 20 #define SQR_TOOM3_THRESHOLD 61 #define MULLOW_BASECASE_THRESHOLD 0 /* always */ #define MULLOW_DC_THRESHOLD 36 #define MULLOW_MUL_N_THRESHOLD 234 #define DIV_SB_PREINV_THRESHOLD 4 #define DIV_DC_THRESHOLD 32 #define POWM_THRESHOLD 48 #define GCD_ACCEL_THRESHOLD 3 #define GCDEXT_THRESHOLD 22 #define JACOBI_BASE_METHOD 1 #define DIVREM_1_NORM_THRESHOLD 3 #define DIVREM_1_UNNORM_THRESHOLD 3 #define MOD_1_NORM_THRESHOLD 3 #define MOD_1_UNNORM_THRESHOLD 3 #define USE_PREINV_DIVREM_1 1 #define USE_PREINV_MOD_1 1 #define DIVREM_2_THRESHOLD 0 /* always */ #define DIVEXACT_1_THRESHOLD 0 /* always */ #define MODEXACT_1_ODD_THRESHOLD 0 /* always (native) */ #define GET_STR_DC_THRESHOLD 13 #define GET_STR_PRECOMPUTE_THRESHOLD 23 #define SET_STR_THRESHOLD 2997 #define MUL_FFT_TABLE { 304, 672, 1152, 2560, 10240, 24576, 98304, 393216, 0 } #define MUL_FFT_MODF_THRESHOLD 232 #define MUL_FFT_THRESHOLD 1792 #define SQR_FFT_TABLE { 304, 672, 1152, 3584, 10240, 24576, 98304, 393216, 0 } #define SQR_FFT_MODF_THRESHOLD 264 #define SQR_FFT_THRESHOLD 2304