Hi,

On Thu, Aug 08, 2024 at 02:07:50PM -0700, Andrew Pinski wrote:
> On Fri, Aug 2, 2024 at 7:30 AM Jeff Law <jeffreya...@gmail.com> wrote:
> > > 2024-08-01  Surya Kumari Jangala  <jskum...@linux.ibm.com>
> > >
> > > gcc/
> > >       PR rtl-optimization/PR116028
> > >       * lra-constraints.cc (split_reg): Spill register before call
> > >       insn.
> > >       (latest_call_insn): New variable.
> > >       (inherit_in_ebb): Track the latest call insn.
> > >
> > > gcc/testsuite/
> > >       PR rtl-optimization/PR116028
> > >       * gcc.dg/ira-shrinkwrap-prep-1.c: Remove xfail for powerpc.
> > >       * gcc.dg/pr10474.c: Remove xfail for powerpc.
> > Implementation looks fine.  I would suggest a comment indicating why
> > we're inserting before last_call_insn.  Otherwise someone in the future
> > would have to find the patch submission to know why we're handling that
> > case specially.
> >
> > OK with that additional comment.
> 
> This causes bootstrap failure on aarch64-linux-gnu; self-tests fail at
> stage 2. Looks to be wrong code is produced compiling stage 2
> compiler.
> I have not looked further than that right now.

There are also risc-v bootstrap comparison failures:

Comparing stages 2 and 3
Bootstrap comparison failure!
gcc/gimple-pretty-print.o differs
gcc/tree.o differs
gcc/fortran/trans.o differs
gcc/fortran/openmp.o differs
gcc/fortran/scanner.o differs
gcc/stor-layout.o differs
gcc/range-op-ptr.o differs
gcc/tree-vect-loop.o differs
make[2]: *** [Makefile:26283: compare] Error 1
make[1]: *** [Makefile:26263: stage3-bubble] Error 2
make: *** [Makefile:1102: all] Error 2

I haven't bisected it yet, but it started with a build that included
this patch:
https://builder.sourceware.org/buildbot/#/builders/310/builds/36

Cheers,

Mark

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