diff options
Diffstat (limited to 'clang/lib/Frontend')
| -rw-r--r-- | clang/lib/Frontend/InitPreprocessor.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp index 5da547e2b54..613248a7f1c 100644 --- a/clang/lib/Frontend/InitPreprocessor.cpp +++ b/clang/lib/Frontend/InitPreprocessor.cpp @@ -992,6 +992,9 @@ static void InitializePredefinedMacros(const TargetInfo &TI, } if (TI.hasInt128Type() && LangOpts.CPlusPlus && LangOpts.GNUMode) { + // For each extended integer type, g++ defines a macro mapping the + // index of the type (0 in this case) in some list of extended types + // to the type. Builder.defineMacro("__GLIBCXX_TYPE_INT_N_0", "__int128"); Builder.defineMacro("__GLIBCXX_BITSIZE_INT_N_0", "128"); } |
