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From: Aldy Hernandez <aldyh@redhat.com>
To: Jakub Jelinek <jakub@redhat.com>
Cc: Richard Biener <rguenther@suse.de>,
	Andrew MacLeod <amacleod@redhat.com>,
	gcc-patches@gcc.gnu.org
Subject: Re: [PATCH] forwprop: Fix up rotate pattern matching [PR106523]
Date: Tue, 17 Jan 2023 12:22:42 +0100	[thread overview]
Message-ID: <c0192674-403d-9e14-a1f9-d3b0b8db48be@redhat.com> (raw)
In-Reply-To: <Y8aEVJOmNxP/MHFE@tucnak>



On 1/17/23 12:19, Jakub Jelinek wrote:
> On Tue, Jan 17, 2023 at 12:14:14PM +0100, Aldy Hernandez wrote:
>>> A question would be if it would be worth to activate it in this spot lazily
>>> if it isn't active yet (and destruct at the end of the pass).
>>
>> That's what it was designed for :).  If you're making sporadic requests, the
>> on-demand mechanism should be fast enough.
> 
> So what should be done to do the on-demand query rather than global one?

gimple_ranger ranger;
if (ranger.range_of_expr (r, .....))
    // business as usual


  reply	other threads:[~2023-01-17 11:22 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-17  9:47 Jakub Jelinek
2023-01-17 10:59 ` Aldy Hernandez
2023-01-17 11:09   ` Jakub Jelinek
2023-01-17 11:14     ` Aldy Hernandez
2023-01-17 11:19       ` Jakub Jelinek
2023-01-17 11:22         ` Aldy Hernandez [this message]
2023-01-17 11:33           ` Jakub Jelinek
2023-01-17 11:44             ` Aldy Hernandez
2023-01-17 11:04 ` Richard Biener

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