X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=includes%2FStg.h;h=022b385e2def91a8d5b961ae0c02c4850cae4be6;hb=393f26621b762225b204b3dc78b05a3ecf08871e;hp=7f37783f4a6573f45b5ca496828042e1658cd002;hpb=4d33815f010cca43af60e921bdc9f5963d09a1ea;p=ghc-hetmet.git

diff --git a/includes/Stg.h b/includes/Stg.h
index 7f37783..022b385 100644
--- a/includes/Stg.h
+++ b/includes/Stg.h
@@ -31,6 +31,9 @@
  */
 #ifndef IN_STG_CODE
 # define IN_STG_CODE 1
+# define _ISOC99_SOURCE
+// Turn on C99 for .hc code.  This gives us the INFINITY and NAN
+// constants from math.h, which we occasionally need to use in .hc (#1861)
 #endif
 
 #if IN_STG_CODE == 0
@@ -72,21 +75,41 @@
 
 /*
  * 'Portable' inlining:
- * INLINE_HEADER is for inline functions in header files
+ * INLINE_HEADER is for inline functions in header files (macros)
  * STATIC_INLINE is for inline functions in source files
+ * EXTERN_INLINE is for functions that we want to inline sometimes
  */
 #if defined(__GNUC__) || defined( __INTEL_COMPILER)
+
 # define INLINE_HEADER static inline
 # define INLINE_ME inline
 # define STATIC_INLINE INLINE_HEADER
+
+# if defined(KEEP_INLINES)
+#  define EXTERN_INLINE inline
+# else
+#  define EXTERN_INLINE extern inline
+# endif
+
 #elif defined(_MSC_VER)
+
 # define INLINE_HEADER __inline static
 # define INLINE_ME __inline
 # define STATIC_INLINE INLINE_HEADER
+
+# if defined(KEEP_INLINES)
+#  define EXTERN_INLINE __inline
+# else
+#  define EXTERN_INLINE __inline extern
+# endif
+
 #else
+
 # error "Don't know how to inline functions with your C compiler."
+
 #endif
 
+
 /*
  * GCC attributes
  */
@@ -102,6 +125,12 @@
 #define GNUC3_ATTRIBUTE(at)
 #endif
 
+#if __GNUC__ > 4 || __GNUC__ == 4 && __GNUC_MINOR__ >= 3
+#define GNUC_ATTR_HOT __attribute__((hot))
+#else
+#define GNUC_ATTR_HOT /* nothing */
+#endif
+
 #define STG_UNUSED    GNUC3_ATTRIBUTE(__unused__)
 
 /* -----------------------------------------------------------------------------