1 /* Intel P6 gmp-mparam.h -- Compiler/machine parameter header file. 2 3 Copyright 1991, 1993, 1994, 1999, 2000, 2001, 2002, 2003 Free Software 4 Foundation, Inc. 5 6 This file is part of the GNU MP Library. 7 8 The GNU MP Library is free software; you can redistribute it and/or modify 9 it under the terms of the GNU Lesser General Public License as published by 10 the Free Software Foundation; either version 2.1 of the License, or (at your 11 option) any later version. 12 13 The GNU MP Library is distributed in the hope that it will be useful, but 14 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 15 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 16 License for more details. 17 18 You should have received a copy of the GNU Lesser General Public License 19 along with the GNU MP Library; see the file COPYING.LIB. If not, write to 20 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 21 MA 02110-1301, USA. */ 22 23 24 #define BITS_PER_MP_LIMB 32 25 #define BYTES_PER_MP_LIMB 4 26 27 28 /* NOTE: In a fat binary build SQR_KARATSUBA_THRESHOLD here cannot be 29 smaller than the value in mpn/x86/p6/mmx/gmp-mparam.h. The former is 30 used as a hard limit in mpn/x86/p6/sqr_basecase.asm, and that file will 31 be run by the p6/mmx cpus (pentium2, pentium3). */ 32 33 34 /* 200MHz Pentium Pro */ 35 36 /* Generated by tuneup.c, 2003-02-12, gcc 2.95 */ 37 38 #define MUL_KARATSUBA_THRESHOLD 23 39 #define MUL_TOOM3_THRESHOLD 140 40 41 #define SQR_BASECASE_THRESHOLD 0 /* always */ 42 #define SQR_KARATSUBA_THRESHOLD 52 43 #define SQR_TOOM3_THRESHOLD 189 44 45 #define POWM_THRESHOLD 131 46 47 #define GCDEXT_THRESHOLD 33 48 #define JACOBI_BASE_METHOD 1 49 50 #define USE_PREINV_DIVREM_1 0 51 #define USE_PREINV_MOD_1 1 /* native */ 52 #define DIVREM_2_THRESHOLD 0 /* always */ 53 #define DIVEXACT_1_THRESHOLD 0 /* always */ 54 #define MODEXACT_1_ODD_THRESHOLD 0 /* always */ 55 56 #define GET_STR_DC_THRESHOLD 18 57 #define GET_STR_PRECOMPUTE_THRESHOLD 23 58 59 #define MUL_FFT_FULL_THRESHOLD 2816 60 61 #define SQR_FFT_FULL_THRESHOLD 2816 62 63 /* fft_tuning -- autogenerated by tune-fft */ 64 65 #define FFT_TAB \ 66 { { 4, 3 }, { 3, 2 }, { 2, 1 }, { 2, 1 }, { 1, 0 } } 67 68 #define MULMOD_TAB \ 69 { 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1 } 70 71 #define FFT_N_NUM 15 72 73 #define FFT_MULMOD_2EXPP1_CUTOFF 128 74 75