workaround for VS2010/VS2012 codegen bug

dlang · Jun 1, 2013 · 7d1aae0 · 7d1aae0
1 parent 5ca18a6
commit 7d1aae0
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/src/root/longdouble.h b/src/root/longdouble.h
@@ -121,7 +121,14 @@ inline longdouble ldouble(unsigned long long mantissa, int exp, int sign = 0)
     d.sign = sign;
     return d;
 }
-template<typename T> inline longdouble ldouble(T x) { longdouble d; d.set(x); return d; }
+
+#if _MSC_VER >= 1600 && defined(_DEBUG)
+#define LDOUBLE_INLINE __declspec(noinline) // codegen bug in VS2010/VS2012, if set function not inlined (this passed on stack, but expected in ECX; RVO?)
+#else
+#define LDOUBLE_INLINE inline
+#endif
+
+template<typename T> LDOUBLE_INLINE longdouble ldouble(T x) { longdouble d; d.set(x); return d; }
 
 longdouble operator+(longdouble ld1, longdouble ld2);
 longdouble operator-(longdouble ld1, longdouble ld2);