diff options
| author | Chris Lattner <sabre@nondot.org> | 2009-02-05 07:27:41 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2009-02-05 07:27:41 +0000 |
| commit | 659dc14559f7dc6e635810d5e0f6dca643549817 (patch) | |
| tree | 4867c5c6a49660d6638e1f31290ef0e384a00249 /lib/Lex/Preprocessor.cpp | |
| parent | 3fa8f7491a6a6c1445768ea23ec85d3554c3ba98 (diff) | |
correct and generalize computation of __INTMAX_MAX__.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63848 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Lex/Preprocessor.cpp')
| -rw-r--r-- | lib/Lex/Preprocessor.cpp | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/lib/Lex/Preprocessor.cpp b/lib/Lex/Preprocessor.cpp index 14bddd6826..f6a29dbd7c 100644 --- a/lib/Lex/Preprocessor.cpp +++ b/lib/Lex/Preprocessor.cpp @@ -531,10 +531,22 @@ static void InitializePredefinedMacros(Preprocessor &PP, else assert(0 && "Unknown long size"); char MacroBuf[60]; - sprintf(MacroBuf, "__INTMAX_MAX__=%lld", - (TI.getIntMaxType() == TargetInfo::UnsignedLongLong? - (1LL << (TI.getLongLongWidth() - 1)) : - ((1LL << (TI.getLongLongWidth() - 2)) - 1))); + unsigned IntMaxWidth; + const char *IntMaxSuffix; + if (TI.getIntMaxType() == TargetInfo::SignedLongLong) { + IntMaxWidth = TI.getLongLongWidth(); + IntMaxSuffix = "LL"; + } else if (TI.getIntMaxType() == TargetInfo::SignedLong) { + IntMaxWidth = TI.getLongWidth(); + IntMaxSuffix = "L"; + } else { + assert(TI.getIntMaxType() == TargetInfo::SignedInt); + IntMaxWidth = TI.getIntWidth(); + IntMaxSuffix = ""; + } + + sprintf(MacroBuf, "__INTMAX_MAX__=%lld%s", (1LL << (IntMaxWidth - 1)) - 1, + IntMaxSuffix); DefineBuiltinMacro(Buf, MacroBuf); if (TI.getIntMaxType() == TargetInfo::UnsignedLongLong) |