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intrinsics.hpp
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#pragma once
#if defined(NALL_HEADER_ONLY)
#define NALL_HEADER_INLINE inline
#else
#define NALL_HEADER_INLINE
#endif
#if defined(__APPLE__)
#include <machine/endian.h>
#elif defined(linux) || defined(__linux__)
#include <endian.h>
#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__)
#include <sys/endian.h>
#endif
namespace nall {
/* Compiler detection */
#if defined(__clang__)
#define COMPILER_CLANG
struct Compiler {
static constexpr bool Clang = 1;
static constexpr bool GCC = 0;
static constexpr bool Microsoft = 0;
};
#pragma clang diagnostic warning "-Wimplicit-fallthrough"
#pragma clang diagnostic warning "-Wreturn-type"
#pragma clang diagnostic ignored "-Wunused-result"
#pragma clang diagnostic ignored "-Wunknown-pragmas"
#pragma clang diagnostic ignored "-Wempty-body"
#pragma clang diagnostic ignored "-Wparentheses"
#pragma clang diagnostic ignored "-Wswitch"
#pragma clang diagnostic ignored "-Wswitch-bool"
#pragma clang diagnostic ignored "-Wabsolute-value"
#pragma clang diagnostic ignored "-Wtrigraphs"
#pragma clang diagnostic ignored "-Wnarrowing"
#pragma clang diagnostic ignored "-Wattributes"
#elif defined(__GNUC__)
#define COMPILER_GCC
struct Compiler {
static constexpr bool Clang = 0;
static constexpr bool GCC = 1;
static constexpr bool Microsoft = 0;
};
#pragma GCC diagnostic warning "-Wimplicit-fallthrough"
#pragma GCC diagnostic warning "-Wreturn-type"
#pragma GCC diagnostic ignored "-Wunused-result"
#pragma GCC diagnostic ignored "-Wunknown-pragmas"
#pragma GCC diagnostic ignored "-Wpragmas"
#pragma GCC diagnostic ignored "-Wswitch-bool"
#pragma GCC diagnostic ignored "-Wtrigraphs"
#pragma GCC diagnostic ignored "-Wnarrowing"
#pragma GCC diagnostic ignored "-Wattributes"
#pragma GCC diagnostic ignored "-Wstringop-overflow" //GCC 10.2 warning heuristic is buggy
#elif defined(_MSC_VER)
#define COMPILER_MICROSOFT
struct Compiler {
static constexpr bool Clang = 0;
static constexpr bool GCC = 0;
static constexpr bool Microsoft = 1;
};
#pragma warning(disable:4996) //libc "deprecation" warnings
#else
#error "unable to detect compiler"
#endif
/* Platform detection */
#if defined(_WIN32)
#define PLATFORM_WINDOWS
struct Platform {
static constexpr bool Windows = 1;
static constexpr bool MacOS = 0;
static constexpr bool Android = 0;
static constexpr bool Linux = 0;
static constexpr bool BSD = 0;
};
#elif defined(__APPLE__)
#define PLATFORM_MACOS
struct Platform {
static constexpr bool Windows = 0;
static constexpr bool MacOS = 1;
static constexpr bool Android = 0;
static constexpr bool Linux = 0;
static constexpr bool BSD = 0;
};
#elif defined(__ANDROID__)
#define PLATFORM_ANDROID
struct Platform {
static constexpr bool Windows = 0;
static constexpr bool MacOS = 0;
static constexpr bool Android = 1;
static constexpr bool Linux = 0;
static constexpr bool BSD = 0;
};
#elif defined(linux) || defined(__linux__)
#define PLATFORM_LINUX
struct Platform {
static constexpr bool Windows = 0;
static constexpr bool MacOS = 0;
static constexpr bool Android = 0;
static constexpr bool Linux = 1;
static constexpr bool BSD = 0;
};
#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__)
#define PLATFORM_BSD
struct Platform {
static constexpr bool Windows = 0;
static constexpr bool MacOS = 0;
static constexpr bool Android = 0;
static constexpr bool Linux = 0;
static constexpr bool BSD = 1;
};
#else
#error "unable to detect platform"
#endif
/* ABI detection */
#if defined(_WIN32)
#define ABI_WINDOWS
struct ABI {
static constexpr bool Windows = 1;
static constexpr bool SystemV = 0;
};
#else
#define ABI_SYSTEMV
struct ABI {
static constexpr bool Windows = 0;
static constexpr bool SystemV = 1;
};
#endif
/* API detection */
#if defined(_WIN32)
#define API_WINDOWS
struct API {
static constexpr bool Windows = 1;
static constexpr bool Posix = 0;
};
#else
#define API_POSIX
struct API {
static constexpr bool Windows = 0;
static constexpr bool Posix = 1;
};
#endif
/* Display server detection */
#if defined(_WIN32)
#define DISPLAY_WINDOWS
struct DisplayServer {
static constexpr bool Windows = 1;
static constexpr bool Quartz = 0;
static constexpr bool Xorg = 0;
};
#elif defined(__APPLE__)
#define DISPLAY_QUARTZ
struct DisplayServer {
static constexpr bool Windows = 0;
static constexpr bool Quartz = 1;
static constexpr bool Xorg = 0;
};
#else
#define DISPLAY_XORG
struct DisplayServer {
static constexpr bool Windows = 0;
static constexpr bool Quartz = 0;
static constexpr bool Xorg = 1;
};
#endif
/* Architecture detection */
#if defined(__i386__) || defined(_M_IX86)
#define ARCHITECTURE_X86
struct Architecture {
static constexpr bool x86 = 1;
static constexpr bool amd64 = 0;
static constexpr bool arm64 = 0;
static constexpr bool arm32 = 0;
static constexpr bool ppc64 = 0;
static constexpr bool ppc32 = 0;
};
#elif defined(__amd64__) || defined(_M_AMD64)
#define ARCHITECTURE_AMD64
#if defined(__SSE4_1__)
#define ARCHITECTURE_SUPPORTS_SSE4_1 1
#endif
struct Architecture {
static constexpr bool x86 = 0;
static constexpr bool amd64 = 1;
static constexpr bool arm64 = 0;
static constexpr bool arm32 = 0;
static constexpr bool ppc64 = 0;
static constexpr bool ppc32 = 0;
};
#elif defined(__aarch64__)
#define ARCHITECTURE_ARM64
#define ARCHITECTURE_SUPPORTS_SSE4_1 1 // simulated via sse2neon.h
struct Architecture {
static constexpr bool x86 = 0;
static constexpr bool amd64 = 0;
static constexpr bool arm64 = 1;
static constexpr bool arm32 = 0;
static constexpr bool ppc64 = 0;
static constexpr bool ppc32 = 0;
};
#elif defined(__arm__)
#define ARCHITECTURE_ARM32
struct Architecture {
static constexpr bool x86 = 0;
static constexpr bool amd64 = 0;
static constexpr bool arm64 = 0;
static constexpr bool arm32 = 1;
static constexpr bool ppc64 = 0;
static constexpr bool ppc32 = 0;
};
#elif defined(__ppc64__) || defined(_ARCH_PPC64)
#define ARCHITECTURE_PPC64
struct Architecture {
static constexpr bool x86 = 0;
static constexpr bool amd64 = 0;
static constexpr bool arm64 = 0;
static constexpr bool arm32 = 0;
static constexpr bool ppc64 = 1;
static constexpr bool ppc32 = 0;
};
#elif defined(__ppc__) || defined(_ARCH_PPC) || defined(_M_PPC)
#define ARCHITECTURE_PPC32
struct Architecture {
static constexpr bool x86 = 0;
static constexpr bool amd64 = 0;
static constexpr bool arm64 = 0;
static constexpr bool arm32 = 0;
static constexpr bool ppc64 = 0;
static constexpr bool ppc32 = 1;
};
#else
#error "unable to detect architecture"
#endif
#if !defined(ARCHITECTURE_SUPPORTS_SSE4_1)
#define ARCHITECTURE_SUPPORTS_SSE4_1 0
#endif
/* Endian detection */
#if (defined(__BYTE_ORDER) && defined(__LITTLE_ENDIAN) && __BYTE_ORDER == __LITTLE_ENDIAN) || defined(__LITTLE_ENDIAN__) || defined(__i386__) || defined(__amd64__) || defined(_M_IX86) || defined(_M_AMD64)
#define ENDIAN_LITTLE
struct Endian {
static constexpr bool Little = 1;
static constexpr bool Big = 0;
};
#elif (defined(__BYTE_ORDER) && defined(__BIG_ENDIAN) && __BYTE_ORDER == __BIG_ENDIAN) || defined(__BIG_ENDIAN__) || defined(__powerpc__) || defined(_M_PPC)
#define ENDIAN_BIG
struct Endian {
static constexpr bool Little = 0;
static constexpr bool Big = 1;
};
#else
#error "unable to detect endian"
#endif
/* Build optimization level detection */
#undef DEBUG
#undef NDEBUG
#if defined(BUILD_DEBUG)
#define DEBUG
struct Build {
static constexpr bool Debug = 1;
static constexpr bool Stable = 0;
static constexpr bool Minified = 0;
static constexpr bool Release = 0;
static constexpr bool Optimized = 0;
};
#elif defined(BUILD_STABLE)
#define DEBUG
struct Build {
static constexpr bool Debug = 0;
static constexpr bool Stable = 1;
static constexpr bool Minified = 0;
static constexpr bool Release = 0;
static constexpr bool Optimized = 0;
};
#elif defined(BUILD_MINIFIED)
#define NDEBUG
struct Build {
static constexpr bool Debug = 0;
static constexpr bool Stable = 0;
static constexpr bool Minified = 1;
static constexpr bool Release = 0;
static constexpr bool Optimized = 0;
};
#elif defined(BUILD_RELEASE)
#define NDEBUG
struct Build {
static constexpr bool Debug = 0;
static constexpr bool Stable = 0;
static constexpr bool Minified = 0;
static constexpr bool Release = 1;
static constexpr bool Optimized = 0;
};
#elif defined(BUILD_OPTIMIZED)
#define NDEBUG
struct Build {
static constexpr bool Debug = 0;
static constexpr bool Stable = 0;
static constexpr bool Minified = 0;
static constexpr bool Release = 0;
static constexpr bool Optimized = 1;
};
#else
//default to debug mode
#define BUILD_DEBUG
#define DEBUG
struct Build {
static constexpr bool Debug = 1;
static constexpr bool Stable = 0;
static constexpr bool Minified = 0;
static constexpr bool Release = 0;
static constexpr bool Optimized = 0;
};
#endif
}