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Re: [PR49888, VTA] don't keep VALUEs bound to modified MEMs
- From: Richard Henderson <rth at redhat dot com>
- To: Alexandre Oliva <aoliva at redhat dot com>
- Cc: Jakub Jelinek <jakub at redhat dot com>, gcc-patches at gcc dot gnu dot org
- Date: Tue, 12 Jun 2012 13:42:38 -0700
- Subject: Re: [PR49888, VTA] don't keep VALUEs bound to modified MEMs
- References: <orhav7nt6u.fsf@livre.localdomain> <20120523101349.GN16117@tyan-ft48-01.lab.bos.redhat.com> <ory5o1d04j.fsf@livre.localdomain>
On 2012-06-05 12:33, Alexandre Oliva wrote:
> for gcc/ChangeLog
> from Alexandre Oliva <aoliva@redhat.com>
>
> PR debug/49888
> * var-tracking.c: Include alias.h.
> (overlapping_mems): New struct.
> (drop_overlapping_mem_locs): New.
> (clobber_overlapping_mems): New.
> (var_mem_delete_and_set, var_mem_delete): Call it.
> (val_bind): Likewise, but only if modified.
> (compute_bb_dataflow, emit_notes_in_bb): Call it on MEMs.
> * Makefile.in (var-tracking.o): Depend in $(ALIAS_H).
>
> for gcc/testsuite/ChangeLog
> from Alexandre Oliva <aoliva@redhat.com>
>
> PR debug/49888
> * gcc.dg/guality/pr49888.c: New.
Ok.
r~