Doubling of 3.1's Running Time for i686-pc-linux-gnu

[Andreas Jaeger]

Jeffrey Oldham <oldham@codesourcery.com> writes:

> My nightly gcc 3.1 builds and tests now require about double the
> amount of time compared with those on 19Jul or before.

Jeffrey,

what's the result with this patch applied (already in CVS)?

Thu Jul 26 00:19:30 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * predict.c (estimate_probability): Avoid duplicated predictions.

Honza mentions:
> 
> I've run into problem with memory explosion on compiling insn_extract
> with enable_checking. This is caused by the postdominators problems
> discussed earlier making predict.c to predict each NORETURN patch
> as many times as there are noreturns.  This is really numbuers with 
> enable_checking making gcc to require rought 300MB memory.

I also noticed some failures in the testsuite which lead to longer
runtimes.  Can you compare the runtime with the number of failures you
get?

Andreas
-- 
 Andreas Jaeger
  SuSE Labs aj@suse.de
   private aj@arthur.inka.de
    http://www.suse.de/~aj