[Bug rtl-optimization/19780] Floating point computation far slower for -mfpmath=sse

[dnovillo at redhat dot com]

------- Comment #16 from dnovillo at redhat dot com  2007-04-05 13:15 -------
Subject: Re:  Floating point computation far slower
 for -mfpmath=sse

bonzini at gnu dot org wrote on 04/05/07 08:03:

> Is there a way to ensure ordering of PHI functions unlike what Uros's
> dumps suggest?

No.

I also don't see how PHI ordering would affect out-of-ssa.  It just
emits copies.  If the ordering of those copies is affecting things like
register pressure, then RA should be looked at.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19780