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IA-64 patch to avoid nop.f on Itanium2

David Mosberger sent me this in private mail.  I have tested it and
checked it in.

This just converts the default MFI nop bundles into MMI bundles for
anything other than Itanium1.  nop.f is undesirable on Itanium2 because
it can cause pipeline stalls.
-- 
Jim Wilson, GNU Tools Support, http://www.SpecifixInc.com

Attachment: patch.mmi.nops
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