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Re: [avr-libc-dev] "-O3" ?

From: Joerg Wunsch
Subject: Re: [avr-libc-dev] "-O3" ?
Date: Fri, 11 Nov 2005 22:49:18 +0100
User-agent: Mutt/

As Bernd Trog wrote:

> I'm seeing quite a few "-O3" flags when building from HEAD.
> Is this intentional?

It was intentional, yes, it has only been used on avr3 and avr5 MCUs
(i.e. on those with more than 16 KB of ROM).

I killed that holy cow now.  I never really thought it makes sense at
all, as -Os often yields speedier code anyway, and most people appear
to be more concerned about code size than speed.

cheers, J"org               .-.-.   --... ...--   -.. .  DL8DTL

http://www.sax.de/~joerg/                        NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)

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