Get the -march argument based on the target MIPS architecture or cpu and pass
it to GNU assembler. In addition, change function getMipsArchFromCPU() so that
it can be reused in ConstructJob(). 

Patch by Simon Atanasyan.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145509 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed