Fix build on Win32, and handle the FMT_* #defines in a slightly nicer way

includes/Rts.h

@@ -145,19 +145,6 @@ void _assertFail(const char *filename, unsigned int linenum)
 
 #define FMT_SizeT    "zu"
 #define FMT_HexSizeT "zx"
-#define FMT_Word     "zu"
-#define FMT_Int      "zd"
-
-/*
- * Getting printf formats right for platform-dependent typedefs
- */
-#if SIZEOF_LONG == 8
-#define FMT_Word64 "lu"
-#define FMT_Int64  "ld"
-#else
-#define FMT_Word64 "llu"
-#define FMT_Int64  "lld"
-#endif
 
 /* -----------------------------------------------------------------------------
    Time values in the RTS

includes/stg/Types.h

@@ -54,12 +54,16 @@ typedef unsigned char            StgWord8;
 typedef signed   short           StgInt16;
 typedef unsigned short           StgWord16;
 
-#if SIZEOF_LONG == 4
-typedef signed   long            StgInt32;
-typedef unsigned long            StgWord32;
-#elif SIZEOF_INT == 4
+#if SIZEOF_INT == 4
 typedef signed   int             StgInt32;
 typedef unsigned int             StgWord32;
+#define FMT_Word32 "u"
+#define FMT_Int32  "d"
+#elif SIZEOF_LONG == 4
+typedef signed   long            StgInt32;
+typedef unsigned long            StgWord32;
+#define FMT_Word32 "lu"
+#define FMT_Int32  "ld"
 #else
 #error GHC untested on this architecture: sizeof(int) != 4
 #endif
@@ -67,12 +71,13 @@ typedef unsigned int             StgWord32;
 #if SIZEOF_LONG == 8
 typedef signed   long          StgInt64;
 typedef unsigned long          StgWord64;
-#elif defined(__MSVC__)
-typedef __int64                StgInt64;
-typedef unsigned __int64       StgWord64;
+#define FMT_Word64 "lu"
+#define FMT_Int64  "ld"
 #elif SIZEOF_LONG_LONG == 8
 typedef signed long long int   StgInt64;
 typedef unsigned long long int StgWord64;
+#define FMT_Word64 "llu"
+#define FMT_Int64  "lld"
 #else
 #error cannot find a way to define StgInt64
 #endif
@@ -93,12 +98,16 @@ typedef StgInt64           StgInt;
 typedef StgWord64          StgWord;
 typedef StgInt32           StgHalfInt;
 typedef StgWord32          StgHalfWord;
+#define FMT_Word     FMT_Word64
+#define FMT_Int      FMT_Int64
 #else
 #if SIZEOF_VOID_P == 4
 typedef StgInt32           StgInt; 
 typedef StgWord32          StgWord;
 typedef StgInt16           StgHalfInt;
 typedef StgWord16          StgHalfWord;
+#define FMT_Word     FMT_Word32
+#define FMT_Int      FMT_Int32
 #else
 #error GHC untested on this architecture: sizeof(void *) != 4 or 8
 #endif