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// archdetect.c -- Detect compiler architecture and raise preprocessor error
// containing a simple arch identifier.
// Copyright (C) 2019 Hans Kristian Rosbach
// Licensed under the Zlib license, see LICENSE.md for details
// x86_64
#if defined(__x86_64__) || defined(_M_X64)
#error archfound x86_64
// x86
#elif defined(__i386) || defined(_M_IX86)
#error archfound i686
// ARM
#elif defined(__aarch64__) || defined(_M_ARM64)
#error archfound aarch64
#elif defined(__arm__) || defined(__arm) || defined(_M_ARM) || defined(__TARGET_ARCH_ARM)
#if defined(__ARM64_ARCH_8__) || defined(__ARMv8__) || defined(__ARMv8_A__)
#error archfound armv8
#elif defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__)
#error archfound armv7
#elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6T2__) || defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__) || defined(__ARM_ARCH_6M__)
#error archfound armv6
#elif defined(__ARM_ARCH_5T__) || defined(__ARM_ARCH_5TE__) || defined(__ARM_ARCH_5TEJ__)
#error archfound armv5
#elif defined(__ARM_ARCH_4T__) || defined(__TARGET_ARCH_5E__)
#error archfound armv4
#elif defined(__ARM_ARCH_3__) || defined(__TARGET_ARCH_3M__)
#error archfound armv3
#elif defined(__ARM_ARCH_2__)
#error archfound armv2
#endif
// PowerPC
#elif defined(__powerpc__) || defined(_ppc__) || defined(__PPC__)
#if defined(__64BIT__) || defined(__powerpc64__) || defined(__ppc64__)
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
#error archfound powerpc64le
#else
#error archfound powerpc64
#endif
#else
#error archfound powerpc
#endif
// --------------- Less common architectures alphabetically below ---------------
// ALPHA
#elif defined(__alpha__) || defined(__alpha)
#error archfound alpha
// Blackfin
#elif defined(__BFIN__)
#error archfound blackfin
// Itanium
#elif defined(__ia64) || defined(_M_IA64)
#error archfound ia64
// MIPS
#elif defined(__mips__) || defined(__mips)
#error archfound mips
// Motorola 68000-series
#elif defined(__m68k__)
#error archfound m68k
// SuperH
#elif defined(__sh__)
#error archfound sh
// SPARC
#elif defined(__sparc__) || defined(__sparc)
#if defined(__sparcv9) || defined(__sparc_v9__)
#error archfound sparc9
#elif defined(__sparcv8) || defined(__sparc_v8__)
#error archfound sparc8
#endif
// SystemZ
#elif defined(__370__)
#error archfound s370
#elif defined(__s390__)
#error archfound s390
#elif defined(__s390x) || defined(__zarch__)
#error archfound s390x
// PARISC
#elif defined(__hppa__)
#error archfound parisc
// RS-6000
#elif defined(__THW_RS6000)
#error archfound rs6000
// RISC-V
#elif defined(__riscv)
#if __riscv_xlen == 64
#error archfound riscv64
#elif __riscv_xlen == 32
#error archfound riscv32
#endif
// return 'unrecognized' if we do not know what architecture this is
#else
#error archfound unrecognized
#endif
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