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Re: MMX built-ins performance oddities
- From: Andrew Pinski <pinskia at physics dot uc dot edu>
- To: Prakash Punnoor <prakashp at arcor dot de>
- Cc: gcc at gcc dot gnu dot org
- Date: Sat, 19 Feb 2005 08:23:50 -0500
- Subject: Re: MMX built-ins performance oddities
- References: <42173D3E.6050904@arcor.de>
On Feb 19, 2005, at 8:21 AM, Prakash Punnoor wrote:
Is this a known issue with gcc-3.4.3? I compiled the code using -O2
-march=athlon-xp -g3. If you want a smaller test case, I could try to
do so.
Right now I just didn't want to waste my time in case this is a know
issue or
I did something stupid...
Yes the builtins are known to be a little stupid in 3.4.x. Could you
try
a snapshot of 4.0.0?
-- Pinski