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[X86] Add FeatureCMOV to athlon and athlon-tbird cpus.
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Authored by craig.topper on Aug 25 2018, 7:02 PM.

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Summary

This matches gcc and one cpuid dump I found online. Given that these are considered 7th generation x86 CPU it seems likely they support cmov since cmov was added by Intel in their 6th generation.

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Event Timeline

craig.topper created this revision.Aug 25 2018, 7:02 PM
RKSimon accepted this revision.Aug 26 2018, 5:45 AM

LGTM - thanks

test/CodeGen/X86/select.ll
4

You might be able reduce the checks with more use of CHECK, CMOV and NO-CMOV common prefixes?

This revision is now accepted and ready to land.Aug 26 2018, 5:45 AM
This revision was automatically updated to reflect the committed changes.