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Re: schedule-ebbs and trapping insns
- From: Richard Henderson <rth at redhat dot com>
- To: Jeff Law <law at redhat dot com>
- Cc: "David S. Miller" <davem at redhat dot com>, gcc at gcc dot gnu dot org, bernds at redhat dot com, jakub at redhat dot com
- Date: Tue, 2 Jul 2002 12:08:32 -0700
- Subject: Re: schedule-ebbs and trapping insns
- References: <20020627.005217.26466268.davem@redhat.com> <200207011730.g61HUP922374@porcupine.slc.redhat.com>
On Mon, Jul 01, 2002 at 11:30:25AM -0600, Jeff Law wrote:
> Hmmm, it seems to me that a trapping insn should act as a scheduling
> barrier for any other potentially trapping insn. Right?
Yes.
> I believe sched-rgn already implements this and conceptually it should be
> independent of whether or not we're scheduling regions or basic blocks,
Theoretically, yes. Except that sched-rgn and sched-ebb treat the
last insn of a block specially and different between them.
r~