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Re: unschedule insn functionality needed
- From: Ian Lance Taylor <iant at google dot com>
- To: Alex Turjan <aturjan at yahoo dot com>
- Cc: gcc at gcc dot gnu dot org
- Date: Fri, 12 Nov 2010 07:46:33 -0800
- Subject: Re: unschedule insn functionality needed
- References: <134985.86078.qm@web62404.mail.re1.yahoo.com>
Alex Turjan <aturjan@yahoo.com> writes:
> Can anybody give me a hint on where (perhaps some branch) I can find functionality
> which allows during scheduling to un-schedule an instruction? I basically need
> a function that does the oposite of schedule_insn.
>
> During scheduling I want o schedule_insn(INSN), then check the ready_list and then (in case)
> unschedule INSN.
I don't think there is any way to do specifically what you are asking
for, but perhaps you can solve your problem using
TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK .
Ian