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Subject: Re: AW: How to recognize registers after reload ?.
To: stefan@franke.ms, gcc-help <gcc-help@gcc.gnu.org>
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From: Henri Cloetens <henri.cloetens@blueice.be>
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Date: Fri, 23 Oct 2020 09:56:04 +0200
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Thank you Stefan,

How do you mean too narrow ?.
Can you be more specific ?, how should I change it, so that 'combine' 
does not see non-exisiting patterns, while 'reload' is able to move
to stack, even when declaring a stack variable as a register ?.

Best Regards,

Henri
> Henri,
>
> it seems your define_expand for movsi is too narrow. It should accept all mandatory forms. The distinction - to register/memory - should be done in movsi itself. There is also no need for a database to distinguish.
>
> Regards
>
> Stefan
>
>