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For PR11916: Add support for g++'s __int128 keyword. Unlike __int128_t, this is

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a type specifier and can be combined with unsigned. This allows libstdc++4.7 to
be used with clang in c++98 mode.

Several other changes are still required for libstdc++4.7 to work with clang in
c++11 mode.

llvm-svn: 153999
This commit is contained in:
Richard Smith
2012-04-04 06:24:32 +00:00
parent 0e60cd78cc
commit f016bbcc61
14 changed files with 55 additions and 8 deletions
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4
clang/lib/Sema/DeclSpec.cpp
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@@ -264,6 +264,7 @@ bool Declarator::isDeclarationOfFunction() const {
case TST_float:
case TST_half:
case TST_int:
case TST_int128:
case TST_struct:
case TST_union:
case TST_unknown_anytype:
@@ -379,6 +380,7 @@ const char *DeclSpec::getSpecifierName(DeclSpec::TST T) {
case DeclSpec::TST_char16: return "char16_t";
case DeclSpec::TST_char32: return "char32_t";
case DeclSpec::TST_int: return "int";
case DeclSpec::TST_int128: return "__int128";
case DeclSpec::TST_half: return "half";
case DeclSpec::TST_float: return "float";
case DeclSpec::TST_double: return "double";
@@ -818,7 +820,7 @@ void DeclSpec::Finish(DiagnosticsEngine &D, Preprocessor &PP) {
if (TypeSpecSign != TSS_unspecified) {
if (TypeSpecType == TST_unspecified)
TypeSpecType = TST_int; // unsigned -> unsigned int, signed -> signed int.
else if (TypeSpecType != TST_int &&
else if (TypeSpecType != TST_int && TypeSpecType != TST_int128 &&
TypeSpecType != TST_char && TypeSpecType != TST_wchar) {
Diag(D, TSSLoc, diag::err_invalid_sign_spec)
<< getSpecifierName((TST)TypeSpecType);