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From: Andreas Schwab <schwab@suse.de>
To: Jakub Jelinek <jakub@redhat.com>
Cc: Richard Biener <richard.guenther@gmail.com>,  Jan Hubicka
 <hubicka@ucw.cz>,  gcc-patches@gcc.gnu.org
Subject: Re: [PATCH] lto: pass through -funwind-tables and
 -fasynchronous-unwind-tables
References: <mvmlem0ywoy.fsf@suse.de>
	<CAFiYyc1+6W=JBu0RXY-NBjK2RgCD9+5LyD1u7-LJvZDZ_q9+_w@mail.gmail.com>
	<mvm8ri0ytig.fsf@suse.de> <Y8fYd6LKBxVB2eAs@tucnak>
	<mvm4jsoyqgy.fsf@suse.de> <Y8fnlIJBpOdyujtp@tucnak>
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Date: Wed, 18 Jan 2023 13:39:18 +0100
In-Reply-To: <Y8fnlIJBpOdyujtp@tucnak> (Jakub Jelinek's message of "Wed, 18
	Jan 2023 13:35:32 +0100")
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On Jan 18 2023, Jakub Jelinek wrote:

> With LTO each function has the DECL_FUNCTION_SPECIFIC_OPTIMIZATION
> (and _TARGET), for functions with optimize attribute obviously as without
> LTO specific to what options have been overridden (but with defaults from
> TU's command line etc.), for functions without that simply with what
> options has the TU.

Sorry, I cannot parse that sentence.  Could you please try again?

> lto1 then streams in those options and when switching functions switches
> the global options.

Why does that not work then?

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
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