Re: [PATCH] PowerPC: Add 'prefix' to the 'isa' attribute

2019-06-18 Thread Segher Boessenkool
On Mon, Jun 17, 2019 at 08:04:42PM -0400, Michael Meissner wrote: > --- gcc/config/rs6000/rs6000.md (revision 272270) > +++ gcc/config/rs6000/rs6000.md (working copy) > @@ -267,7 +267,9 @@ (define_attr "cpu" >(const (symbol_ref "(enum attr_cpu) rs6000_tune"))) > > ;; The ISA we i

[PATCH] PowerPC: Add 'prefix' to the 'isa' attribute

2019-06-17 Thread Michael Meissner
Some of my future patches for prefixed memory instructions in a future PowerPC processor need the following tweak to the ISA attribute, so that the alternative that uses a prefixed instruction to load up large integer constants can be eliminated if the user does not compile for the 'future' target.