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[mips] Removing __SIZEOF_INT128__ macro for MIPS64

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This is a temporary workaround while MIPS64 has not yet fully supported
128-bit integers. But declaration of int128 type is necessary even though
`__SIZEOF_INT128__` is undefined because c++ standard header files like
`limits` throw error message if `__int128` is not available.

Patch by Sagar Thakur.

Differential Revision: http://reviews.llvm.org/D6402

llvm-svn: 223927
This commit is contained in:
Simon Atanasyan
2014-12-10 15:44:07 +00:00
parent e5a2a0c9a8
commit d83248e60c
2 changed files with 8 additions and 1 deletions
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7
clang/lib/Frontend/InitPreprocessor.cpp
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@@ -662,7 +662,12 @@ static void InitializePredefinedMacros(const TargetInfo &TI,
TI.getTypeWidth(TI.getWCharType()), TI, Builder);
DefineTypeSizeof("__SIZEOF_WINT_T__",
TI.getTypeWidth(TI.getWIntType()), TI, Builder);
if (TI.hasInt128Type())
// This is a temporary workaround while MIPS64 has not yet fully supported
// 128-bit integers. But declaration of int128 type is necessary even though
// __SIZEOF_INT128__ is undefined because c++ standard header files like
// limits throw error message if __int128 is not available.
if (TI.hasInt128Type() && !(TI.getTriple().getArch() == llvm::Triple::mips64el
|| TI.getTriple().getArch() == llvm::Triple::mips64))
DefineTypeSizeof("__SIZEOF_INT128__", 128, TI, Builder);
DefineType("__INTMAX_TYPE__", TI.getIntMaxType(), Builder);