optimization/8474: -mcpu=i686 produces much faster code than -mcpu=pentium4 on a P4 machine

[ehrhardt@mathematik.uni-ulm.de]

Synopsis: -mcpu=i686 produces much faster code than -mcpu=pentium4 on a P4 machine

State-Changed-From-To: feedback->open
State-Changed-By: cae
State-Changed-When: Wed May 21 09:28:53 2003
State-Changed-Why:
    Feedback received.

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=8474