[PATCH] Add Clang support for PPC cryptography builtins

[Nemanja Ivanovic]

Hi hfinkel, wschmidt, echristo, kbarton,

This patch adds support for the PowerPC cryptography builtin functions to Clang. The support is meant to be gcc compatible as much as makes sense. The -m[no-]crypto option is added along with the corresponding predefined macro. The only place where this intentionally differs from gcc is that the option does not disable all of the builtins (only the ones that require Category:Vector.Crypto in the ISA document).

REPOSITORY
  rL LLVM

http://reviews.llvm.org/D7951

Files:
  include/clang/Basic/BuiltinsPPC.def
  include/clang/Driver/Options.td
  lib/Basic/Targets.cpp
  lib/CodeGen/CGBuiltin.cpp
  lib/Headers/altivec.h
  test/CodeGen/builtins-ppc-crypto-diag.c
  test/CodeGen/builtins-ppc-crypto-disabled.c
  test/CodeGen/builtins-ppc-crypto.c
  test/Preprocessor/predefined-arch-macros.c

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