On Sun, 15 Jan 2006, Tobias Schlüter wrote: > Richard Guenther wrote: > > I guess the fix for PR tree-optimization/22555 could make some difference > > if fortran uses a lot of structures with embedded arrays. Basically this > > enables decomposing these structures for aliasing purposes and should > > generate better code. > > It is perhaps noteworthy that the build times for the base run of Diego's > SPECFP tester have increased by approx. twenty percent, with no visible gain > in execution speed, between Jan 5th and Jan 6th, see > <http://people.redhat.com/dnovillo/spec2000.i686/gcc/global-build-secs_elapsed.html> > and > <http://people.redhat.com/dnovillo/spec2000.i686/gcc/global-run-secs_elapsed.html>
With the patch, the regressions on the SPEC testers seem to be fixed. Unfortunately also the progression on ppc for fma3d is no longer there. Richard.