From: "Martin Liška" <mliska@suse.cz>
To: Jeff Law <jeffreyalaw@gmail.com>,
Richard Biener <richard.guenther@gmail.com>
Cc: GCC Patches <gcc-patches@gcc.gnu.org>,
"Joseph S. Myers" <joseph@codesourcery.com>
Subject: Re: [PATCH] Fix handling of flag_rename_registers.
Date: Fri, 15 Oct 2021 17:27:12 +0200 [thread overview]
Message-ID: <f2a2714f-503f-b71d-5ba9-b390c2e49ef4@suse.cz> (raw)
In-Reply-To: <cfa0de87-96bd-5f8e-1ded-72370c7bf19d@gmail.com>
On 10/14/21 16:27, Jeff Law wrote:
> So what's the preferred way to handle this? We're in the process of evaluating -frename-registers on our target right now and subject to verification of a couple issues, our inclination is to turn it on for our target at -O2.
>
> Jeff
I think the best approach is doing that in TARGET_OPTION_OPTIMIZATION_TABLE like c6x does:
static const struct default_options c6x_option_optimization_table[] =
{
{ OPT_LEVELS_1_PLUS, OPT_frename_registers, NULL, 1 },
...
}
Cheers,
Martin
next prev parent reply other threads:[~2021-10-15 15:27 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-12 12:17 Martin Liška
2021-10-12 13:37 ` Richard Biener
2021-10-12 14:03 ` Martin Liška
2021-10-12 15:11 ` Martin Liška
2021-10-13 8:39 ` Richard Biener
2021-10-13 10:02 ` Martin Liška
2021-10-13 11:49 ` Richard Biener
2021-10-14 14:27 ` Jeff Law
2021-10-15 15:27 ` Martin Liška [this message]
2021-10-16 19:51 ` Jeff Law
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