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Re: Add machine_dependent_reorg2


On Fri, Jun 27, 2003 at 04:53:54PM -0700, Geoff Keating wrote:
> > > I haven't followed this discussion closely, but what was the original
> > > motivation behind wanting more machine dependent hooks?
> > 
> > Wanting to add the required nops to the mips insn stream after dbr.
> 
> Can't dbr be taught to do this in a more generic way?  Adding nops
> after delayed branches doesn't sound like a radical new idea...

This has nothing to do with delayed branches.

We want to add nops psuedo-randomly in the insn stream such that
pairs of insns that are able to be dual-issued are aligned at 8
byte boundaries.


r~


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