[llvm-dev] How to pass march flag to GCC Assembler arch64-linux-gnu-as

[Sri via llvm-dev]

I am trying to cross compile an assembly file using clang but with "
-fno-integrated-as" so that clang does not use its own assembler.

Clangs calls the command: /usr/bin/aarch64-linux-gnu-as -o Myfile.o
Myfile.s but it fails because of missing *-march=armv8-a+crypto *which is
required to build build my source file Myfile.s

I am passing "-march=armv8-a+crypto" to clang command but how do i promote
the same flag to assembler arch64-linux-gnu-as through clang?

-- 
*-*Sri
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