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From: Gabriele Favalessa <gabriele@rzerosystems.com>
To: Richard Earnshaw <Richard.Earnshaw@foss.arm.com>
Cc: gcc-help@gcc.gnu.org
Subject: Re: ARM: code size increase starting from gcc 10
Date: Mon, 14 Mar 2022 11:05:58 +0100	[thread overview]
Message-ID: <CAGRyuqywbSq=zE_iUXi0cu19naMqJsdHRvLbdG0cKEbCBn0jMA@mail.gmail.com> (raw)
In-Reply-To: <43782800-80df-c4ce-9379-c4bb3c6c60a4@foss.arm.com>

On Fri, Mar 11, 2022 at 4:20 PM Richard Earnshaw <
Richard.Earnshaw@foss.arm.com> wrote:

> > 1) why newer gcc versions don't generate the smallest possible size in
> > spite of -Os?
>
> The compiler is trying to identify opportunities to generate even better
> code for more common cases.
>
> > 2) is there a way to get the smaller code with newer gcc versions?
>
> Unfortunately, no. At least not at present.

Thanks, the info you provided was very helpful in understanding my options.

Gabriele

      reply	other threads:[~2022-03-14 10:06 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-11  9:57 Gabriele Favalessa
2022-03-11 15:20 ` Richard Earnshaw
2022-03-14 10:05   ` Gabriele Favalessa [this message]

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