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From: Florian Weimer <fweimer@redhat.com>
To: Reinoud Koornstra <reinoudkoornstra@gmail.com>
Cc: Xi Ruoyao <xry111@mengyan1223.wang>,
	 Reinoud Koornstra via Gcc-help <gcc-help@gcc.gnu.org>
Subject: Re: Fortify_source and stack-protector-strong
Date: Tue, 19 Apr 2022 13:24:56 +0200	[thread overview]
Message-ID: <87tuap2u47.fsf@oldenburg.str.redhat.com> (raw)
In-Reply-To: <CAAA5faGO5pY36sR4gn83+mE40kRGXVCFohTLgxCzBsOpzC8d8Q@mail.gmail.com> (Reinoud Koornstra's message of "Fri, 11 Mar 2022 11:01:05 -0800")

* Reinoud Koornstra:

> One more question, for FORTIFY_SOURCE=2, can I use either -O1 or -O2
> optimization flags?  I noticed it doesn't like -Os. Thanks,

Historically, I think the expectation was that 1 should be used with -O1
and 2 with -O2.  But I think the required passes run at -O1 as well.

Thanks,
Florian


      parent reply	other threads:[~2022-04-19 11:25 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-01 23:23 Reinoud Koornstra
2022-03-02 10:22 ` Florian Weimer
2022-03-02 19:09   ` Reinoud Koornstra
2022-03-02 19:46     ` Xi Ruoyao
2022-03-02 20:05       ` Reinoud Koornstra
2022-03-02 20:23         ` Xi Ruoyao
2022-03-02 20:45           ` Reinoud Koornstra
2022-03-11 19:01             ` Reinoud Koornstra
2022-03-12  8:19               ` Xi Ruoyao
2022-04-19 11:24               ` Florian Weimer [this message]

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