////
-//// Compiler specific defines
+//// Configuration
////
-// Quiet a warning on Intel compiler
-#if !defined(__SIZEOF_INT__ )
-#define __SIZEOF_INT__ 0
-#endif
+//// For Linux and OSX configuration is done automatically using Makefile.
+//// To get started type "make help".
+////
+//// For windows part of the configuration is detected automatically, but
+//// some switches need to be set manually:
+////
+//// -DNDEBUG | Disable debugging mode. Use always.
+////
+//// -DNO_PREFETCH | Disable use of prefetch asm-instruction. A must if you want the
+//// | executable to run on some very old machines.
+////
+//// -DUSE_POPCNT | Add runtime support for use of popcnt asm-instruction.
+//// | Works only in 64-bit mode. For compiling requires hardware
+//// | with popcnt support. Around 4% speed-up.
-// Check for 64 bits for different compilers: Intel, MSVC and gcc
-#if defined(__x86_64) || defined(_M_X64) || defined(_WIN64) || (__SIZEOF_INT__ > 4)
+// Automatic detection for 64-bit under Windows
+#if defined(_WIN64)
#define IS_64BIT
#endif
-#if defined(IS_64BIT) && (defined(__GNUC__) || defined(__INTEL_COMPILER))
+// Automatic detection for use of bsfq asm-instruction under Windows.
+// Works only in 64-bit mode. Does not work with MSVC.
+#if defined(_WIN64) && defined(__INTEL_COMPILER)
#define USE_BSFQ
#endif
// is already available as an intrinsic.
#if defined(_MSC_VER)
#include <intrin.h>
-#elif defined(__GNUC__)
+#elif defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
inline void __cpuid(int CPUInfo[4], int InfoType)
{
int* eax = CPUInfo + 0;
__asm__("cpuid" : "=a" (*eax), "=b" (*ebx), "=c" (*ecx), "=d" (*edx)
: "0" (*eax), "2" (*ecx));
}
+#else
+inline void __cpuid(int CPUInfo[4], int)
+{
+ CPUInfo[0] = CPUInfo[1] = CPUInfo[2] = CPUInfo[3] = 0;
+}
#endif
#endif // !defined(TYPES_H_INCLUDED)