| /* Pentium 4-64 gmp-mparam.h -- Compiler/machine parameter header file. |
| |
| Copyright 1991, 1993, 1994, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, |
| 2008, 2009 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 64 |
| #define BYTES_PER_MP_LIMB 8 |
| |
| /* These routines exists for all x86_64 chips, but they are slower on Pentium4 |
| than separate add/sub and shift. Make sure they are not really used. */ |
| #undef HAVE_NATIVE_mpn_addlsh1_n |
| #undef HAVE_NATIVE_mpn_sublsh1_n |
| #undef HAVE_NATIVE_mpn_rsh1add_n |
| #undef HAVE_NATIVE_mpn_rsh1sub_n |
| |
| /* 3200 MHz Pentium / 2048 Kibyte cache / socket 775 */ |
| |
| /* Generated by tuneup.c, 2009-01-15, gcc 3.4 */ |
| |
| #define MUL_KARATSUBA_THRESHOLD 12 |
| #define MUL_TOOM3_THRESHOLD 91 |
| #define MUL_TOOM44_THRESHOLD 136 |
| |
| #define SQR_BASECASE_THRESHOLD 0 /* always (native) */ |
| #define SQR_KARATSUBA_THRESHOLD 28 |
| #define SQR_TOOM3_THRESHOLD 97 |
| #define SQR_TOOM4_THRESHOLD 218 |
| |
| #define MULLOW_BASECASE_THRESHOLD 0 /* always */ |
| #define MULLOW_DC_THRESHOLD 28 |
| #define MULLOW_MUL_N_THRESHOLD 246 |
| |
| #define DIV_SB_PREINV_THRESHOLD 0 /* always */ |
| #define DIV_DC_THRESHOLD 35 |
| #define POWM_THRESHOLD 59 |
| |
| #define MATRIX22_STRASSEN_THRESHOLD 25 |
| #define HGCD_THRESHOLD 112 |
| #define GCD_DC_THRESHOLD 258 |
| #define GCDEXT_DC_THRESHOLD 311 |
| #define JACOBI_BASE_METHOD 1 |
| |
| #define MOD_1_NORM_THRESHOLD 0 /* always */ |
| #define MOD_1_UNNORM_THRESHOLD 0 /* always */ |
| #define MOD_1_1_THRESHOLD 5 |
| #define MOD_1_2_THRESHOLD 7 |
| #define MOD_1_4_THRESHOLD 28 |
| #define USE_PREINV_DIVREM_1 1 /* native */ |
| #define USE_PREINV_MOD_1 1 |
| #define DIVEXACT_1_THRESHOLD 0 /* always (native) */ |
| #define MODEXACT_1_ODD_THRESHOLD 0 /* always (native) */ |
| |
| #define GET_STR_DC_THRESHOLD 15 |
| #define GET_STR_PRECOMPUTE_THRESHOLD 24 |
| #define SET_STR_DC_THRESHOLD 866 |
| #define SET_STR_PRECOMPUTE_THRESHOLD 1646 |
| |
| #define MUL_FFT_TABLE { 240, 416, 1216, 2304, 7168, 20480, 49152, 196608, 786432, 0 } |
| #define MUL_FFT_MODF_THRESHOLD 256 |
| #define MUL_FFT_THRESHOLD 2944 |
| |
| #define SQR_FFT_TABLE { 208, 480, 1600, 2304, 7168, 20480, 49152, 196608, 786432, 0 } |
| #define SQR_FFT_MODF_THRESHOLD 224 |
| #define SQR_FFT_THRESHOLD 2688 |
