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| author | rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-10-29 19:19:08 +0000 |
|---|---|---|
| committer | rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-10-29 19:19:08 +0000 |
| commit | 1e1472ccb9ce106e0a8dc6b4d38ea2b6c5a9028d (patch) | |
| tree | e8cf23a80e608f81200b2c0b3ccc39500a497f28 /gcc/system.h | |
| parent | cd9b55160a035e5bfe8a9a455c00b414846d7418 (diff) | |
| download | gcc-1e1472ccb9ce106e0a8dc6b4d38ea2b6c5a9028d.tar.gz | |
Add more optimisations.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/wide-int@204176 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/system.h')
| -rw-r--r-- | gcc/system.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/system.h b/gcc/system.h index 53f86a54d27..e3fbce6ff42 100644 --- a/gcc/system.h +++ b/gcc/system.h @@ -711,6 +711,12 @@ extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN; #define gcc_unreachable() (fancy_abort (__FILE__, __LINE__, __FUNCTION__)) #endif +#if GCC_VERSION >= 3001 +#define STATIC_CONSTANT_P(X) (__builtin_constant_p (X) && (X)) +#else +#define STATIC_CONSTANT_P(X) (false && (X)) +#endif + /* Until we can use STATIC_ASSERT. */ #define STATIC_ASSERT(X) \ typedef int assertion1[(X) ? 1 : -1] ATTRIBUTE_UNUSED |