From: Richard Biener <richard.guenther@gmail.com>
To: Eric Botcazou <botcazou@adacore.com>
Cc: gcc-patches@gcc.gnu.org
Subject: Re: [PATCH] Reduce DF computation at -O0
Date: Fri, 7 Oct 2022 08:07:03 +0200 [thread overview]
Message-ID: <CAFiYyc0_ONOhQJfosNtGYpkjcB9sSBtL3QaQfSt3-JZ5FVucVg@mail.gmail.com> (raw)
In-Reply-To: <2601473.BddDVKsqQX@fomalhaut>
On Thu, Oct 6, 2022 at 7:27 PM Eric Botcazou via Gcc-patches
<gcc-patches@gcc.gnu.org> wrote:
>
> Hi,
>
> even at -O0 there may be a fair amount of DF computation performed when
> compiling large units and part of it appears to be useless.
>
> Bootstrapped/regtested on x86-64/Linux, OK for the mainline?
OK.
>
> 2022-10-06 Eric Botcazou <ebotcazou@adacore.com>
>
> * function.cc (thread_prologue_and_epilogue_insns): Update only entry
> and exit blocks when not optimizing. Remove dead statement.
>
> --
> Eric Botcazou
prev parent reply other threads:[~2022-10-07 6:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-06 17:25 Eric Botcazou
2022-10-07 6:07 ` Richard Biener [this message]
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