/* Various Thresholds of MPFR, not exported. -*- mode: C -*- Copyright 2005-2021 Free Software Foundation, Inc. This file is part of the GNU MPFR Library. The GNU MPFR 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 MPFR 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 MPFR Library; see the file COPYING.LESSER. If not, see https://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */ #ifndef __MPFR_IMPL_H__ # error "MPFR Internal not included" #endif /* Threshold when testing coverage */ #if defined(MPFR_TUNE_COVERAGE) #define MPFR_TUNE_CASE "src/generic/coverage/mparam.h" #include "generic/coverage/mparam.h" /* Note: the different macros used here are those defined by gcc, for example with "gcc -mtune=native -dM -E -xc /dev/null". The best parameters may depend on the local machine, not just the architecture or even the target processor as accepted by -mtune. Target-related options set by GCC can be obtained with the "-Q --help=target --help=params" options (in addition to -march=... and -mtune=...). See https://gcc.gnu.org/pipermail/gcc-help/2021-September/140720.html */ #elif (defined (__tune_core2__) || defined (__tune_nocona__)) && defined (__x86_64) /* 64-bit Core 2 or Xeon */ #define MPFR_TUNE_CASE "src/x86_64/core2/mparam.h" #include "x86_64/core2/mparam.h" /* Put that before __x86_64__ since __x86_64__ is also defined on AMD 64, We also have to define __tune_k8__ since __amd64__ is also defined on Intel x86_64! Ignore Clang as it defines both of these macros even on Intel x86_64, and it does not seem to be possible to provide tuning information when compiling with Clang, so that it is better to select generic parameters for x86_64. */ #elif defined (__amd64__) && (defined (__tune_k8__) || defined (__tune_znver1__)) && ! defined (__clang__) /* AMD 64 */ #define MPFR_TUNE_CASE "src/amd/mparam.h" #include "amd/mparam.h" /* _M_X64 is for the Microsoft compiler, see https://docs.microsoft.com/en-us/cpp/preprocessor/predefined-macros */ #elif defined (__x86_64__) || defined (_M_X64) /* generic parameters for x86_64 */ #define MPFR_TUNE_CASE "src/x86_64/mparam.h" #include "x86_64/mparam.h" #elif defined (__i386) || defined(_M_IX86) /* we consider all other 386's here, including a 64-bit machine with gmp/mpfr compiled with ABI=32 */ #define MPFR_TUNE_CASE "src/x86/mparam.h" #include "x86/mparam.h" #elif defined (__PPC64__) /* Threshold for 64-bit PowerPC */ #define MPFR_TUNE_CASE "src/powerpc64/mparam.h" #include "powerpc64/mparam.h" #elif defined (__sparc_v9__) /* Threshold for 64-bit Sparc */ #define MPFR_TUNE_CASE "src/sparc64/mparam.h" #include "sparc64/mparam.h" #elif defined (__mips__) /* MIPS */ #define MPFR_TUNE_CASE "src/mips/mparam.h" #include "mips/mparam.h" #elif defined (__arm__) || defined (_M_ARM) /* ARM */ #define MPFR_TUNE_CASE "src/arm/mparam.h" #include "arm/mparam.h" #else #define MPFR_TUNE_CASE "default" #endif /**************************************************************** * Default values of Threshold. * * Must be included in any case: it checks, for every constant, * * if it has been defined, and it sets it to a default value if * * it was not previously defined. * ****************************************************************/ #include "generic/mparam.h"