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154 lines
5.5 KiB
154 lines
5.5 KiB
4 years ago
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/*
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* xxhsum - Command line interface for xxhash algorithms
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* Copyright (C) 2013-2020 Yann Collet
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*
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* GPL v2 License
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* You can contact the author at:
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* - xxHash homepage: https://www.xxhash.com
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* - xxHash source repository: https://github.com/Cyan4973/xxHash
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*/
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/*
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* Checks for predefined macros by the compiler to try and get both the arch
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* and the compiler version.
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*/
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#ifndef XSUM_ARCH_H
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#define XSUM_ARCH_H
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#include "xsum_config.h"
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#define XSUM_LIB_VERSION XXH_VERSION_MAJOR.XXH_VERSION_MINOR.XXH_VERSION_RELEASE
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#define XSUM_QUOTE(str) #str
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#define XSUM_EXPAND_AND_QUOTE(str) XSUM_QUOTE(str)
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#define XSUM_PROGRAM_VERSION XSUM_EXPAND_AND_QUOTE(XSUM_LIB_VERSION)
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/* Show compiler versions in WELCOME_MESSAGE. XSUM_CC_VERSION_FMT will return the printf specifiers,
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* and VERSION will contain the comma separated list of arguments to the XSUM_CC_VERSION_FMT string. */
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#if defined(__clang_version__)
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/* Clang does its own thing. */
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# ifdef __apple_build_version__
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# define XSUM_CC_VERSION_FMT "Apple Clang %s"
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# else
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# define XSUM_CC_VERSION_FMT "Clang %s"
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# endif
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# define XSUM_CC_VERSION __clang_version__
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#elif defined(__VERSION__)
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/* GCC and ICC */
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# define XSUM_CC_VERSION_FMT "%s"
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# ifdef __INTEL_COMPILER /* icc adds its prefix */
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# define XSUM_CC_VERSION __VERSION__
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# else /* assume GCC */
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# define XSUM_CC_VERSION "GCC " __VERSION__
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# endif
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#elif defined(_MSC_FULL_VER) && defined(_MSC_BUILD)
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/*
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* MSVC
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* "For example, if the version number of the Visual C++ compiler is
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* 15.00.20706.01, the _MSC_FULL_VER macro evaluates to 150020706."
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*
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* https://docs.microsoft.com/en-us/cpp/preprocessor/predefined-macros?view=vs-2017
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*/
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# define XSUM_CC_VERSION_FMT "MSVC %02i.%02i.%05i.%02i"
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# define XSUM_CC_VERSION _MSC_FULL_VER / 10000000 % 100, _MSC_FULL_VER / 100000 % 100, _MSC_FULL_VER % 100000, _MSC_BUILD
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#elif defined(_MSC_VER) /* old MSVC */
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# define XSUM_CC_VERSION_FMT "MSVC %02i.%02i"
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# define XSUM_CC_VERSION _MSC_VER / 100, _MSC_VER % 100
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#elif defined(__TINYC__)
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/* tcc stores its version in the __TINYC__ macro. */
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# define XSUM_CC_VERSION_FMT "tcc %i.%i.%i"
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# define XSUM_CC_VERSION __TINYC__ / 10000 % 100, __TINYC__ / 100 % 100, __TINYC__ % 100
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#else
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# define XSUM_CC_VERSION_FMT "%s"
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# define XSUM_CC_VERSION "unknown compiler"
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#endif
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/* makes the next part easier */
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#if defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64)
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# define XSUM_ARCH_X64 1
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# define XSUM_ARCH_X86 "x86_64"
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#elif defined(__i386__) || defined(_M_IX86) || defined(_M_IX86_FP)
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# define XSUM_ARCH_X86 "i386"
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#endif
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/* Try to detect the architecture. */
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#if defined(XSUM_ARCH_X86)
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# if defined(XXHSUM_DISPATCH)
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# define XSUM_ARCH XSUM_ARCH_X86 " autoVec"
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# elif defined(__AVX512F__)
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# define XSUM_ARCH XSUM_ARCH_X86 " + AVX512"
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# elif defined(__AVX2__)
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# define XSUM_ARCH XSUM_ARCH_X86 " + AVX2"
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# elif defined(__AVX__)
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# define XSUM_ARCH XSUM_ARCH_X86 " + AVX"
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# elif defined(_M_X64) || defined(_M_AMD64) || defined(__x86_64__) \
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|| defined(__SSE2__) || (defined(_M_IX86_FP) && _M_IX86_FP == 2)
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# define XSUM_ARCH XSUM_ARCH_X86 " + SSE2"
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# else
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# define XSUM_ARCH XSUM_ARCH_X86
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# endif
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#elif defined(__aarch64__) || defined(__arm64__) || defined(_M_ARM64)
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# define XSUM_ARCH "aarch64 + NEON"
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#elif defined(__arm__) || defined(__thumb__) || defined(__thumb2__) || defined(_M_ARM)
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/* ARM has a lot of different features that can change xxHash significantly. */
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# if defined(__thumb2__) || (defined(__thumb__) && (__thumb__ == 2 || __ARM_ARCH >= 7))
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# define XSUM_ARCH_THUMB " Thumb-2"
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# elif defined(__thumb__)
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# define XSUM_ARCH_THUMB " Thumb-1"
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# else
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# define XSUM_ARCH_THUMB ""
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# endif
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/* ARMv7 has unaligned by default */
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# if defined(__ARM_FEATURE_UNALIGNED) || __ARM_ARCH >= 7 || defined(_M_ARMV7VE)
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# define XSUM_ARCH_UNALIGNED " + unaligned"
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# else
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# define XSUM_ARCH_UNALIGNED ""
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# endif
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# if defined(__ARM_NEON) || defined(__ARM_NEON__)
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# define XSUM_ARCH_NEON " + NEON"
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# else
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# define XSUM_ARCH_NEON ""
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# endif
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# define XSUM_ARCH "ARMv" XSUM_EXPAND_AND_QUOTE(__ARM_ARCH) XSUM_ARCH_THUMB XSUM_ARCH_NEON XSUM_ARCH_UNALIGNED
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#elif defined(__powerpc64__) || defined(__ppc64__) || defined(__PPC64__)
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# if defined(__GNUC__) && defined(__POWER9_VECTOR__)
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# define XSUM_ARCH "ppc64 + POWER9 vector"
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# elif defined(__GNUC__) && defined(__POWER8_VECTOR__)
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# define XSUM_ARCH "ppc64 + POWER8 vector"
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# else
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# define XSUM_ARCH "ppc64"
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# endif
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#elif defined(__powerpc__) || defined(__ppc__) || defined(__PPC__)
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# define XSUM_ARCH "ppc"
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#elif defined(__AVR)
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# define XSUM_ARCH "AVR"
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#elif defined(__mips64)
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# define XSUM_ARCH "mips64"
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#elif defined(__mips)
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# define XSUM_ARCH "mips"
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#elif defined(__s390x__)
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# define XSUM_ARCH "s390x"
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#elif defined(__s390__)
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# define XSUM_ARCH "s390"
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#else
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# define XSUM_ARCH "unknown"
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#endif
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#endif /* XSUM_ARCH_H */
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