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--- gcc-5666.3/gcc/toplev.h
+++ gcc-5666.3/gcc/toplev.h
@@ -151,6 +151,8 @@
/* Return true iff flags are set as if -ffast-math. */
extern bool fast_math_flags_set_p (void);
+#if GCC_VERSION < 3004
+
/* Return log2, or -1 if not exact. */
extern int exact_log2 (unsigned HOST_WIDE_INT);
@@ -158,7 +160,7 @@
extern int floor_log2 (unsigned HOST_WIDE_INT);
/* Inline versions of the above for speed. */
-#if GCC_VERSION >= 3004
+#else /* GCC_VERSION < 3004 */
# if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
# define CLZ_HWI __builtin_clzl
# define CTZ_HWI __builtin_ctzl
@@ -172,18 +172,18 @@
# define CTZ_HWI __builtin_ctz
# endif
-extern inline int
+static inline int
floor_log2 (unsigned HOST_WIDE_INT x)
{
return x ? HOST_BITS_PER_WIDE_INT - 1 - (int) CLZ_HWI (x) : -1;
}
-extern inline int
+static inline int
exact_log2 (unsigned HOST_WIDE_INT x)
{
return x == (x & -x) && x ? (int) CTZ_HWI (x) : -1;
}
-#endif /* GCC_VERSION >= 3004 */
+#endif /* GCC_VERSION < 3004 */
/* Functions used to get and set GCC's notion of in what directory
compilation was started. */
--- gcc-5666.3/gcc/toplev.c
+++ gcc-5666.3/gcc/toplev.c
@@ -555,7 +555,7 @@
for floor_log2 and exact_log2; see toplev.h. That construct, however,
conflicts with the ISO C++ One Definition Rule. */
-#if GCC_VERSION < 3004 || !defined (__cplusplus)
+#if GCC_VERSION < 3004
/* Given X, an unsigned number, return the largest int Y such that 2**Y <= X.
If X is 0, return -1. */
@@ -607,7 +607,7 @@
#endif
}
-#endif /* GCC_VERSION < 3004 || !defined (__cplusplus) */
+#endif /* GCC_VERSION < 3004 */
/* Handler for fatal signals, such as SIGSEGV. These are transformed
into ICE messages, which is much more user friendly. In case the
|