Hans-Peter Nilsson <[EMAIL PROTECTED]> writes:

> On Mon, 19 Dec 2005, Richard Henderson wrote:
> > I think that this is all complicated enough that we should
> > simply deny peepholing insns with RTX_FRAME_RELATED_P set.
> 
> I was just bitten by the same behavior for define_split.
> Should the same go for define_splits and maybe also as a guard
> test for combine?  Maybe a utility function to use by all insn
> transformations?

I wouldn't expect to see any insns with RTX_FRAME_RELATED_P set before
the prologue and epilogue are threaded in the flow2 pass.  So combine
shouldn't be an issue.  And flow2 calls split_all_insns before the
prologue and epilogue insns are threaded.  When did the bogus split
happen?

Ian

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