[cfe-commits] [PATCH] Use -march option for cpu/architecture selection on MIPS

[Simon Atanasyan]

Clang driver does not take in account -march option when runs for MIPS
target. MIPS gcc uses -march=arch option to select either generic MIPS
ISA, or the name of a particular processor. The attached patch
implements the same algorithm in the Clang driver.

Please review the patch.

--
Simon
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