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Re: secondary reload via 2 intermediary registers
- From: Georg Lay <avr at gjlay dot de>
- To: Alex Turjan <aturjan at yahoo dot com>
- Cc: gcc at gcc dot gnu dot org
- Date: Thu, 30 Sep 2010 19:12:10 +0200
- Subject: Re: secondary reload via 2 intermediary registers
- References: <40635.23927.qm@web62407.mail.re1.yahoo.com>
Alex Turjan schrieb:
> Hi,
> I have 3 questions regarding secondary reload:
>
> 1.Is it possible to do the secondary reload via 2 intermediary registers?
> As far as I can see the insn that implements the secondary reload has to have 3 operands.
reload insns are deprecated. Use TARGET_SECONDARY_RELOAD hook instead.
> 2. Is it possible that an instruction emitted during the secondary reload to get reloaded as well? and if yes how?
build secondary reload chains as lined out in the manual.
> thanks in advance,
> Alex