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Mail Archives: djgpp/1992/05/19/09:06:40

From: greve AT rs1 DOT thch DOT uni-bonn DOT de (Thomas Greve)
Subject: Re: frame pointer
To: ericb AT lsid DOT hp DOT com (Eric Backus)
Date: Tue, 19 May 92 14:23:41 NFT
Cc: djgpp AT sun DOT soe DOT clarkson DOT edu
Status: O

> 
> I use "-O2" all the time.  I also use "-finline-functions" and
> "-fomit-frame-pointer".  I've even tried "-funroll-loops".  Works fine
> for me on programs of low to medium complexity.  I haven't tried on
> anything major.  I haven't compared to see if "-O2" really improves
> anything.  (Does the 386 even have a frame pointer?)
Yes. It's the %ebp (to say it in debug32 notation ;-).

Thanx for these hints!

				- Thomas

   greve AT rs1 DOT thch DOT uni-bonn DOT de
   unt145 AT dbnrhrz1

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