X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftypes.h;h=76ef4cdbb6ad385d5931382f40ed6a75219c373c;hp=af5e2455dd1434d3c58cb9312f7d5337e13dde53;hb=2f6788104ffbc501a563344f65a1b6fba8e91bc5;hpb=08f3aac97c9ee9d9a4cf0a3232ac0bfa4c320896
diff --git a/src/types.h b/src/types.h
index af5e2455..76ef4cdb 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) 2008-2009 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
@@ -17,53 +17,161 @@
along with this program. If not, see .
*/
-
#if !defined(TYPES_H_INCLUDED)
#define TYPES_H_INCLUDED
-#if !defined(_MSC_VER)
+#include
-#include
+#if defined(_MSC_VER)
-#else
+// Disable some silly and noisy warning from MSVC compiler
+#pragma warning(disable: 4800) // Forcing value to bool 'true' or 'false'
+#pragma warning(disable: 4127) // Conditional expression is constant
+#pragma warning(disable: 4146) // Unary minus operator applied to unsigned type
-typedef __int8 int8_t;
-typedef unsigned __int8 uint8_t;
-typedef __int16 int16;
+// MSVC does not support
+typedef signed __int8 int8_t;
+typedef unsigned __int8 uint8_t;
+typedef signed __int16 int16_t;
typedef unsigned __int16 uint16_t;
-typedef __int32 int32;
+typedef signed __int32 int32_t;
typedef unsigned __int32 uint32_t;
-typedef __int64 int64;
+typedef signed __int64 int64_t;
typedef unsigned __int64 uint64_t;
-typedef __int16 int16_t;
-typedef __int64 int64_t;
+#else
+
+#include
-#endif // !defined(_MSC_VER)
+#endif
-// Hash keys
+// Our hash key and bitboard types
typedef uint64_t Key;
-
-// Bitboard type
typedef uint64_t Bitboard;
+#define Min(x, y) (((x) < (y)) ? (x) : (y))
+#define Max(x, y) (((x) < (y)) ? (y) : (x))
////
-//// 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.
+////
+//// -DOLD_LOCKS | By default under Windows are used the fast Slim Reader/Writer (SRW)
+//// | Locks and Condition Variables: these are not supported by Windows XP
+//// | and older, to compile for those platforms you should enable OLD_LOCKS.
-// 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
+// Intel header for _mm_popcnt_u64() intrinsic
+#if defined(USE_POPCNT) && defined(_MSC_VER) && defined(__INTEL_COMPILER)
+#include
+#endif
+
+// 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
+
+// Define FORCE_INLINE macro to force inlining overriding compiler choice
+#if defined(_MSC_VER)
+#define FORCE_INLINE __forceinline
+#elif defined(__GNUC__)
+#define FORCE_INLINE inline __attribute__((always_inline))
+#else
+#define FORCE_INLINE inline
+#endif
+
+// Operators used by enum types like Depth, Piece, Square and so on.
+
+#define ENABLE_OPERATORS_ON(T) \
+inline T operator+ (const T d1, const T d2) { return T(int(d1) + int(d2)); } \
+inline T operator- (const T d1, const T d2) { return T(int(d1) - int(d2)); } \
+inline T operator* (int i, const T d) { return T(i * int(d)); } \
+inline T operator* (const T d, int i) { return T(int(d) * i); } \
+inline T operator/ (const T d, int i) { return T(int(d) / i); } \
+inline T operator- (const T d) { return T(-int(d)); } \
+inline T operator++ (T& d, int) {d = T(int(d) + 1); return d; } \
+inline T operator-- (T& d, int) { d = T(int(d) - 1); return d; } \
+inline void operator+= (T& d1, const T d2) { d1 = d1 + d2; } \
+inline void operator-= (T& d1, const T d2) { d1 = d1 - d2; } \
+inline void operator*= (T& d, int i) { d = T(int(d) * i); } \
+inline void operator/= (T& d, int i) { d = T(int(d) / i); }
+
+
+/// cpu_has_popcnt() detects support for popcnt instruction at runtime
+inline bool cpu_has_popcnt() {
+
+ int CPUInfo[4] = {-1};
+ __cpuid(CPUInfo, 0x00000001);
+ return (CPUInfo[2] >> 23) & 1;
+}
+
+/// CpuHasPOPCNT is a global constant initialized at startup that
+/// is set to true if CPU on which application runs supports popcnt
+/// hardware instruction. Unless USE_POPCNT is not defined.
+#if defined(USE_POPCNT)
+const bool CpuHasPOPCNT = cpu_has_popcnt();
+#else
+const bool CpuHasPOPCNT = false;
+#endif
+
+
+/// CpuIs64Bit is a global constant initialized at compile time that
+/// is set to true if CPU on which application runs is a 64 bits.
+#if defined(IS_64BIT)
+const bool CpuIs64Bit = true;
+#else
+const bool CpuIs64Bit = false;
+#endif
+
#endif // !defined(TYPES_H_INCLUDED)