[trunk] patch to remove REG_NO_CONFLICT_BLOCKS
Steven Bosscher
stevenb.gcc@gmail.com
Mon Apr 21 22:22:00 GMT 2008
On Mon, Apr 21, 2008 at 11:08 PM, Vladimir Makarov <vmakarov@redhat.com> wrote:
> Please, don't look at this as an attack but it would be nice to see some
> performance numbers what removing REG_NO_CONFLICT_BLOCKS and byte accurate
> conflict detection (without removing local-alloc) gives. I guess there
> should be some improvement. I like general direction to remove
> REG_NO_CONFLICT_BLOCKS and byte accurate conflict detection. I think it is
> ok even it gives no visible improvement and makes compiler a bit slower.
BTW, how does IRA fix this? It also disables local-alloc, and does
not seem to have anything to replace REG_NO_CONFLICT blocks itself...
Gr.
Steven
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