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Re: [PATCH] Fix RTL checking failure in fix_crossing_unconditional_branches


On Fri, Oct 21, 2005 at 02:17:12PM -0700, Ian Lance Taylor wrote:
> Looking at this I wonder if it would just be simpler to let BARRIERs
> have a BLOCK_FOR_INSN field.

Eh.  They ought never be part of a basic block, so in theory
they don't need one.

> Letting them have a BLOCK_FOR_INSN field would permit us to remove a
> bunch of !BARRIER_P tests.

That's probably not worth nothing, fair enough.  We could
simply rely on other rtx validation to see that barriers
aren't part of blocks.


r~


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