[PATCH] D15120: Add support for __float128 type to be used by targets that support it

[Nemanja Ivanovic via cfe-commits]

nemanjai updated this revision to Diff 45998.
nemanjai added a comment.

Addressed review comments.
The key differences are:

- No assignments or operations between entities of long double and __float128 allowed if the two types have a different representation
- Each type has a distinct rank

This isn't the same behaviour as GCC currently has. For example, GCC allows assignments between the two types on PowerPC. The conversion is achieved through a library routine. However, there is no compelling reason at this point to allow such behaviour and this work is deferred until such a need arises.


Repository:
  rL LLVM

http://reviews.llvm.org/D15120

Files:
  bindings/python/clang/cindex.py
  include/clang-c/Index.h
  include/clang/AST/ASTContext.h
  include/clang/AST/BuiltinTypes.def
  include/clang/AST/Type.h
  include/clang/AST/TypeLoc.h
  include/clang/Basic/DiagnosticSemaKinds.td
  include/clang/Basic/Specifiers.h
  include/clang/Basic/TargetInfo.h
  include/clang/Basic/TokenKinds.def
  include/clang/Driver/Options.td
  include/clang/Lex/LiteralSupport.h
  include/clang/Sema/DeclSpec.h
  include/clang/Serialization/ASTBitCodes.h
  lib/AST/ASTContext.cpp
  lib/AST/ItaniumMangle.cpp
  lib/AST/MicrosoftMangle.cpp
  lib/AST/NSAPI.cpp
  lib/AST/StmtPrinter.cpp
  lib/AST/Type.cpp
  lib/AST/TypeLoc.cpp
  lib/Analysis/PrintfFormatString.cpp
  lib/Basic/TargetInfo.cpp
  lib/Basic/Targets.cpp
  lib/CodeGen/CGDebugInfo.cpp
  lib/CodeGen/CGExprScalar.cpp
  lib/CodeGen/CodeGenTypes.cpp
  lib/CodeGen/ItaniumCXXABI.cpp
  lib/Format/FormatToken.cpp
  lib/Frontend/InitPreprocessor.cpp
  lib/Index/USRGeneration.cpp
  lib/Lex/LiteralSupport.cpp
  lib/Parse/ParseDecl.cpp
  lib/Parse/ParseExpr.cpp
  lib/Parse/ParseExprCXX.cpp
  lib/Parse/ParseTentative.cpp
  lib/Sema/DeclSpec.cpp
  lib/Sema/SemaDecl.cpp
  lib/Sema/SemaExpr.cpp
  lib/Sema/SemaExprCXX.cpp
  lib/Sema/SemaLookup.cpp
  lib/Sema/SemaOverload.cpp
  lib/Sema/SemaTemplateVariadic.cpp
  lib/Sema/SemaType.cpp
  lib/Serialization/ASTCommon.cpp
  lib/Serialization/ASTReader.cpp
  test/CodeGenCXX/float128-declarations.cpp
  test/Preprocessor/init.c
  test/Sema/128bitfloat.cpp
  test/Sema/float128-ld-incompatibility.cpp
  test/SemaCXX/deleted-operator.cpp
  test/SemaCXX/overloaded-builtin-operators.cpp
  tools/libclang/CXType.cpp

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