Re: Some regressions from the dataflow merge

[Richard Guenther <rguenther at suse dot de>]

On Wed, 13 Jun 2007, Kenneth Zadeck wrote:

> Richard Guenther wrote:
> > On Tue, 12 Jun 2007, Richard Guenther wrote:
> >
> >   
> >> On ia64 SPEC2000 I see fma3d and applu now miscompare.
> >>     
> >
> > On x86_64 186.wupwise ICEs with -O2 -ffast-math and FDO:
> >
> > /gcc/spec/sb-haydn-fdo-64/x86_64/install-200706120559/bin/gfortran -c -o 
> > zscal.o        -fprofile-use         -O2 -ffast-math  zscal.f
> > Error from fdo_make_pass2 'specmake -j2 FDO=PASS2 build 2> 
> > fdo_make_pass2.err | tee fdo_make_pass2.out':
> > zgemm.f: In function 'zgemm':
> > zgemm.f:413: internal compiler error: in remove_insn, at emit-rtl.c:3597
> > Please submit a full bug report,
> > with preprocessed source if appropriate.
> > See <URL:http://gcc.gnu.org/bugs.html> for instructions.
> >
> > Likewise for 176.gcc:
> >
> > combine.c: In function 'simplify_comparison':
> > combine.c:9697: internal compiler error: in remove_insn, at 
> > emit-rtl.c:3597
> > Please submit a full bug report,
> > with preprocessed source if appropriate.
> > See <URL:http://gcc.gnu.org/bugs.html> for instructions.
> > specmake: *** [combine.o] Error 1
> >
> > Richard.
> >   
> Richard,
> 
> did these two regression go away?  We committed a change to gcse that
> should have fixed this bug.

These two are gone now.  The ia64 miscompares still are there.

Richard.