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| author | Kenneth Zadeck <zadeck@naturalbridge.com> | 2014-05-06 16:25:05 +0000 |
|---|---|---|
| committer | Mike Stump <mrs@gcc.gnu.org> | 2014-05-06 16:25:05 +0000 |
| commit | 807e902eea17f3132488c256c963823976b2348c (patch) | |
| tree | e5e1af94eb1502ba893bd6ce4a11f68877ff62a9 /gcc/system.h | |
| parent | 6122336c832dc4dfedc49279549caddce86306ff (diff) | |
| download | gcc-807e902eea17f3132488c256c963823976b2348c.zip gcc-807e902eea17f3132488c256c963823976b2348c.tar.gz gcc-807e902eea17f3132488c256c963823976b2348c.tar.bz2 | |
Merge in wide-int.
From-SVN: r210113
Diffstat (limited to 'gcc/system.h')
| -rw-r--r-- | gcc/system.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/system.h b/gcc/system.h index 892271f..b20b5cf 100644 --- a/gcc/system.h +++ b/gcc/system.h @@ -711,6 +711,16 @@ 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 C++11's static_assert. */ +#define STATIC_ASSERT(X) \ + typedef int assertion1[(X) ? 1 : -1] ATTRIBUTE_UNUSED + /* Provide a fake boolean type. We make no attempt to use the C99 _Bool, as it may not be available in the bootstrap compiler, and even if it is, it is liable to be buggy. |