Richard Earnshaw wrote:
> On 17/07/12 16:17, Ulrich Weigand wrote:
> > Richard Earnshaw wrote:
> >
> >> Hmm, I wonder if we should just unconditionally call split_all_insns()
> >> at the start of md_reorg when -O0.  This would address your problem, but
> >> have the added benefit that the length calculations would be more
> >> accurate.  We're going to have to split the insns anyway during output,
> >> so why not get it over and done with...
> >
> > Yes, that's already done on various other targets (including s390).
> > [ Note that you need split_all_insns_noflow at this stage. ]
> >
> > I've noticed many other forced-split insn patterns that also carry
> > a length attribute -- if we do the change you suggest, I guess we
> > should then also remove those attributes?
> 
> There's certainly no harm in that, but it's not a priority.

OK, I'll prepare a patch doing just the split_all_insns then ...

Bye,
Ulrich

-- 
  Dr. Ulrich Weigand
  GNU Toolchain for Linux on System z and Cell BE
  ulrich.weig...@de.ibm.com

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