https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71235

            Bug ID: 71235
           Summary: march=silvermont turns on aes by default
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: tjoener at gmail dot com
  Target Milestone: ---

march=silvermont automatically enables -maes, but not all silvermonts have aes
support. Avoton has it, but Bay Trail-D does not.

Eg: http://ark.intel.com/products/78867

The documentation does not make this clear, as it states the silvermont option
is for silvermont CPUs with aes support. Disabling this manually is no trouble.
Just wondering if it shouldn't be the least common denominator, ie silvermonts
without aes.

Maybe there should be a differentiation on silvermont with aes and silvermont
without aes?

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