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| author | Serhiy Storchaka <storchaka@gmail.com> | 2020-03-09 18:49:52 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-03-09 18:49:52 (GMT) |
| commit | eebaa9bfc593d5a46b293c1abd929fbfbfd28199 (patch) | |
| tree | 9ba0bbaba8116eb71d0b80f11b586fe063aadbe5 /Include/pymacro.h | |
| parent | 6d0ee60740f2862a878f009671b1aaa75aeb0c2a (diff) | |
| download | cpython-eebaa9bfc593d5a46b293c1abd929fbfbfd28199.zip cpython-eebaa9bfc593d5a46b293c1abd929fbfbfd28199.tar.gz cpython-eebaa9bfc593d5a46b293c1abd929fbfbfd28199.tar.bz2 | |
bpo-38249: Expand Py_UNREACHABLE() to __builtin_unreachable() in the release mode. (GH-16329)
Co-authored-by: Victor Stinner <vstinner@python.org>
Diffstat (limited to 'Include/pymacro.h')
| -rw-r--r-- | Include/pymacro.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/Include/pymacro.h b/Include/pymacro.h index c080fb1..856cae7 100644 --- a/Include/pymacro.h +++ b/Include/pymacro.h @@ -101,7 +101,7 @@ #endif #if defined(RANDALL_WAS_HERE) -#define Py_UNREACHABLE() \ +# define Py_UNREACHABLE() \ Py_FatalError( \ "If you're seeing this, the code is in what I thought was\n" \ "an unreachable state.\n\n" \ @@ -113,13 +113,17 @@ "I'm so sorry.\n" \ "https://xkcd.com/2200") #elif defined(Py_DEBUG) -#define Py_UNREACHABLE() \ +# define Py_UNREACHABLE() \ Py_FatalError( \ "We've reached an unreachable state. Anything is possible.\n" \ "The limits were in our heads all along. Follow your dreams.\n" \ "https://xkcd.com/2200") +#elif defined(__GNUC__) || defined(__clang__) || defined(__INTEL_COMPILER) +# define Py_UNREACHABLE() __builtin_unreachable() +#elif defined(_MSC_VER) +# define Py_UNREACHABLE() __assume(0) #else -#define Py_UNREACHABLE() \ +# define Py_UNREACHABLE() \ Py_FatalError("Unreachable C code path reached") #endif |