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[Comitted] Fix PR 31364: ppc-linux-gnu bootstrap with secure plt's

Hi,
  The problem here is that when David converted the Link register 
SCRATCH's to be explictly a (reg:P LR), he missed two of them, both of 
them were only enabled when secure plt is enabled.  This patch just 
converts those two remaining ones and fixes the bootstrap for 
powerpc-linux-gnu with secure plt enabled.

Committed after a bootstrap/test on powerpc64-linux-gnu with 
--enable-secureplt.

Thanks,
Andrew Pinski

ChangeLog:

        * config/rs6000/rs6000.md (call): Convert to LR hard reg for 
secureplt.
        (call_value): Likewise.

Attachment: fixsplt.diff.txt
Description: Text document

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