X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftypes.h;h=1f1eb0671160b17b4739ac047f8648050548d54e;hp=73abe01cbd52b5dae3bffe2898eab94b78faab8d;hb=cab8b788465c34f5fc3d3caeeaee098c1ea185fe;hpb=539051b1e0fb099c0d0da69d20d6a4c2b98a2cb6 diff --git a/src/types.h b/src/types.h index 73abe01c..1f1eb067 100644 --- a/src/types.h +++ b/src/types.h @@ -1,7 +1,7 @@ /* Stockfish, a UCI chess playing engine derived from Glaurung 2.1 Copyright (C) 2004-2008 Tord Romstad (Glaurung author) - Copyright (C) 2008 Marco Costalba + Copyright (C) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad Stockfish is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -31,9 +31,9 @@ typedef __int8 int8_t; typedef unsigned __int8 uint8_t; typedef __int16 int16; typedef unsigned __int16 uint16_t; -typedef __int32 int32; +typedef __int32 int32_t; typedef unsigned __int32 uint32_t; -typedef __int64 int64; +typedef __int64 int64_t; typedef unsigned __int64 uint64_t; typedef __int16 int16_t; @@ -41,7 +41,67 @@ typedef __int64 int64_t; #endif // !defined(_MSC_VER) -// Hash keys: +// Hash keys typedef uint64_t Key; +// Bitboard type +typedef uint64_t Bitboard; + + +//// +//// Configuration +//// + +//// For Linux configuration is done using Makefile. To get started type "make help". +//// +//// For windows you need to set the right compiler switches manually: +//// +//// -DNDEBUG | Disable debugging mode. Use always. +//// +//// -DIS_64BIT | Compile in 64-bit mode. Use on 64-bit systems. +//// +//// -DBIGENDIAN | Should not be used on Windows +//// +//// -DUSE_PREFETCH | Use prefetch asm-instruction. Gives a small speed up, +//// | but executable won't work on some very old machines. +//// +//// -DUSE_BSFQ | Use bsfq asm-instruction. Works only in 64-bit mode. +//// | Works with ICC and GCC, not with MSVC. Gives a small speed up. +//// +//// -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. + + +// Cache line alignment specification +#if defined(_MSC_VER) || defined(__INTEL_COMPILER) +#define CACHE_LINE_ALIGNMENT __declspec(align(64)) +#else +#define CACHE_LINE_ALIGNMENT __attribute__ ((aligned(64))) +#endif + +// Define a __cpuid() function for gcc compilers, for Intel and MSVC +// is already available as an intrinsic. +#if defined(_MSC_VER) +#include +#elif defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) +inline void __cpuid(int CPUInfo[4], int InfoType) +{ + int* eax = CPUInfo + 0; + int* ebx = CPUInfo + 1; + int* ecx = CPUInfo + 2; + int* edx = CPUInfo + 3; + + *eax = InfoType; + *ecx = 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)