[PATCH] [AArch64] Implement Clang CLI interface proposal about "-march".

[Kevin Qin]

Hi Kristof,


This patch fixed the typo issue.

And for the question about -mtune, if "-mtune=cortex-a53" is used, it will convert to "-target-cpu cortex-a53" in -cc1 option. This option will only select CPU type and won't  enable any implied feature. All enabled feature will by passed explicitly by -target-feature in -cc1 option.

Regards,
Kevin

http://reviews.llvm.org/D4346

Files:
  include/clang/Basic/DiagnosticDriverKinds.td
  lib/Basic/Targets.cpp
  lib/Driver/ToolChains.cpp
  lib/Driver/Tools.cpp
  test/CodeGen/arm_acle.c
  test/Driver/aarch64-cpus.c
  test/Driver/aarch64-mfpu.c
  test/Preprocessor/aarch64-target-features.c
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