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
next prev parent 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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