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...trick in the clang. > Checking whether the given arch valid or not,before we throw it to the > parser,which can be used for both arm > and aarch64. For the actions I mentioned above,I wrote a check function as below, basing on the naming rules of the arm architecture. +//Only if -march startwith "armv" or "v" or "iwmmxt" or "xscale",it can be seen valid and sended to TargetParser +//for further parsing +static bool checkArchValid(StringRef Arch) +{ + if ((Arch.startswith("armv")) || Arch[0] == 'v' || + (Arch.startswith(&quo...

On 5 May 2016 at 13:01, Bradley Smith <Bradley.Smith at arm.com> wrote: > Allowing -march=aarch64/arm64 is somewhat misleading I think, -march is used > for specifying an architecture version to target whereas aarch64/arm64 don’t > convey any information to that effect, does it mean armv8a, armv8.1-a, etc? Hi Bradley, That's a good point. But also, what does "armv8a"