[PATCH] D11148: [ARM] Implement -Wa,-mfpu and friends for assemblers

[Renato Golin]

rengolin created this revision.
rengolin added reviewers: mcrosier, kristof.beyls, jmolloy.
rengolin added a subscriber: cfe-commits.
rengolin set the repository for this revision to rL LLVM.
Herald added subscribers: rengolin, aemerson.

This patch allows Clang to pass on -Wa,-mfpu, -Wa,-mhwdiv and
-Wa,-mcpu to the integrated assembler (via target-features), but
-march is still not being passed, but validated.

Fixes PR20700.

Repository:
  rL LLVM

http://reviews.llvm.org/D11148

Files:
  lib/Driver/Tools.cpp
  test/Driver/arm-ias-Wa.s

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