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[PowerPC] The __float128 type should only be available on Power9

Authored by stefanp on Jun 12 2018, 12:06 PM.



Hardware support for IEEE __float128 was introduced in power 9.
We will now produce an error for the option -mfloat128 when run on any power PC older than power 9.

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stefanp created this revision.Jun 12 2018, 12:06 PM
echristo accepted this revision.Jun 12 2018, 12:15 PM
This revision is now accepted and ready to land.Jun 12 2018, 12:15 PM
This revision was automatically updated to reflect the committed changes.