| Message ID | 20101124100402.GC29412@tyan-ft48-01.lab.bos.redhat.com |
|---|---|
| State | New |
| Headers | show |
On Wed, 24 Nov 2010, Jakub Jelinek wrote: > On Wed, Nov 24, 2010 at 09:59:34AM +0100, Jakub Jelinek wrote: > > On Tue, Nov 23, 2010 at 04:51:35PM -0800, H.J. Lu wrote: > > Committed as obvious, will deal with the testcase later. > > And here is a testcase for that, not 100% sure if I got the dg-lto* stuff > right, but it works (and fails with unfixed gcc). Ok for trunk? dg-lto-do assemble will only produce lto bytecode but not do the link step, if the ICE happened from f951 and not lto1 then this is ok. Richard. > 2010-11-24 Jakub Jelinek <jakub@redhat.com> > > PR middle-end/46629 > * gfortran.dg/lto/pr46629_0.f90: New test. > > --- gcc/testsuite/gfortran.dg/lto/pr46629_0.f90.jj 2010-11-24 10:42:09.285372916 +0100 > +++ gcc/testsuite/gfortran.dg/lto/pr46629_0.f90 2010-11-24 10:57:53.225261153 +0100 > @@ -0,0 +1,15 @@ > +! PR middle-end/64429 > +! { dg-lto-do assemble } > +! { dg-lto-options {{ -O2 -flto -ftree-vectorize }} } > +! { dg-lto-options {{ -O2 -flto -ftree-vectorize -march=x86-64 }} { target i?86-*-* x86_64-*-* } } > + > +subroutine foo > + character(len=6), save :: c > + real, save :: d(0:100) > + integer, save :: x, n, i > + n = x > + print *, c > + do i = 2, n > + d(i) = -d(i-1) > + end do > +end > > > Jakub > >
On Wed, Nov 24, 2010 at 11:08:55AM +0100, Richard Guenther wrote: > On Wed, 24 Nov 2010, Jakub Jelinek wrote: > > > On Wed, Nov 24, 2010 at 09:59:34AM +0100, Jakub Jelinek wrote: > > > On Tue, Nov 23, 2010 at 04:51:35PM -0800, H.J. Lu wrote: > > > Committed as obvious, will deal with the testcase later. > > > > And here is a testcase for that, not 100% sure if I got the dg-lto* stuff > > right, but it works (and fails with unfixed gcc). Ok for trunk? > > dg-lto-do assemble will only produce lto bytecode but not do the > link step, if the ICE happened from f951 and not lto1 then this > is ok. It did. I haven't understood what is the difference between -flto and normal compilation, before *.vect the difference was just the function name in the dump, but somehow with -flto vectorization happened while without it it didn't. Jakub
--- gcc/testsuite/gfortran.dg/lto/pr46629_0.f90.jj 2010-11-24 10:42:09.285372916 +0100 +++ gcc/testsuite/gfortran.dg/lto/pr46629_0.f90 2010-11-24 10:57:53.225261153 +0100 @@ -0,0 +1,15 @@ +! PR middle-end/64429 +! { dg-lto-do assemble } +! { dg-lto-options {{ -O2 -flto -ftree-vectorize }} } +! { dg-lto-options {{ -O2 -flto -ftree-vectorize -march=x86-64 }} { target i?86-*-* x86_64-*-* } } + +subroutine foo + character(len=6), save :: c + real, save :: d(0:100) + integer, save :: x, n, i + n = x + print *, c + do i = 2, n + d(i) = -d(i-1) + end do +end