This is the mail archive of the
mailing list for the GCC project.
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