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RE: gcc 3.3 / i386 / -O2 question
- From: "Dave Korn" <dk at artimi dot com>
- To: "'Luca Benini'" <lbenini at csr dot unibo dot it>,"'Robert Dewar'" <dewar at gnat dot com>
- Cc: "'Gerald Pfeifer'" <gerald at pfeifer dot com>,"'Beschorner Daniel'" <Daniel dot Beschorner at facton dot com>,<gcc at gcc dot gnu dot org>,<gcc-help at gcc dot gnu dot org>
- Date: Wed, 17 Nov 2004 11:58:12 -0000
- Subject: RE: gcc 3.3 / i386 / -O2 question
> -----Original Message-----
> From: Luca Benini [mailto:email@example.com]
> Sent: 17 November 2004 11:41
> Robert Dewar wrote:
> > not!
> Now I see the light.
> But in this case the asm produced are not the same.
If the compiler had to produce the exact same asm at -O0 and -O2, how on earth
could one be optimised more than the other?
Can't think of a witty .sigline today....