Fix __cpuid() compile error with gcc

[stockfish] / src / types.h

diff --git a/src/types.h b/src/types.h
index af5e2455dd1434d3c58cb9312f7d5337e13dde53..3d0305de78c3153b7a5c04602d2ba1d6eb4426cf 100644 (file)
--- a/src/types.h
+++ b/src/types.h
@@ -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;
@@ -66,4 +66,32 @@ typedef uint64_t Bitboard;
 #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(__INTEL_COMPILER)
+#include <nmmintrin.h>
+#elif 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)