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Re: Optimization: Conclusions from Evolutionary Analysis
- From: Richard Earnshaw <rearnsha at arm dot com>
- To: Scott Robert Ladd <coyote at coyotegulch dot com>
- Cc: Dan Nicolaescu <dann at ics dot uci dot edu>, gcc at gcc dot gnu dot org, Richard dot Earnshaw at arm dot com
- Date: Tue, 18 Nov 2003 17:36:50 +0000
- Subject: Re: Optimization: Conclusions from Evolutionary Analysis
- Organization: ARM Ltd.
- Reply-to: Richard dot Earnshaw at arm dot com
> Dan Nicolaescu wrote:
> > You state on your web page that -O1 implies -fomit-frame-pointer.
> > The default GCC configuration on a P4 does not do that!
> > Did you change this when compiling GCC?
>
> Hmmm... now, is this something P4 specific? In other words, does -O1
> imply -fomit-frame-pointer on any platform?
Yes, any platform that defines CAN_DEBUG_WITHOUT_FP
R.