Fix a comment in evaluate.cpp

[stockfish] / src / types.h

diff --git a/src/types.h b/src/types.h
index 0819ff11d1019936c6c29be47008a97ac44cfda4..033d167510494ec196f346a1cfc8afa590ef2230 100644 (file)
--- 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
@@ -33,7 +33,7 @@ typedef __int16 int16;
 typedef unsigned __int16 uint16_t;
 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;
@@ -62,8 +62,34 @@ typedef uint64_t Bitboard;
 #define IS_64BIT
 #endif
 
-#if defined(IS_64BIT) && !defined(_WIN64) && (defined(__GNUC__) || defined(__INTEL_COMPILER))
+#if defined(IS_64BIT) && (defined(__GNUC__) || defined(__INTEL_COMPILER))
 #define USE_BSFQ
 #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 <intrin.h>
+#elif defined(__GNUC__)
+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));
+}
+#endif
+
 #endif // !defined(TYPES_H_INCLUDED)