http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57341
--- Comment #9 from Richard Biener rguenth at gcc dot gnu.org ---
Author: rguenth
Date: Thu May 23 08:37:24 2013
New Revision: 199237
URL: http://gcc.gnu.org/viewcvs?rev=199237root=gccview=rev
Log:
2013-05-23 Richard Biener rguent...@suse.de
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57341
Richard Biener rguenth at gcc dot gnu.org changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57341
--- Comment #3 from Richard Biener rguenth at gcc dot gnu.org ---
(In reply to Jakub Jelinek from comment #2)
Seems validate_equiv_mem_from_store during update_equiv_regs calls
true_dependence to find out if it is safe to use it as equiv, and
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57341
Jakub Jelinek jakub at gcc dot gnu.org changed:
What|Removed |Added
CC||vmakarov at gcc
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57341
--- Comment #5 from Michael Matz matz at gcc dot gnu.org ---
(In reply to Jakub Jelinek from comment #4)
(In reply to Richard Biener from comment #3)
It seems the code really wants to use anti_dependence, not true_dependence.
We have
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57341
Richard Biener rguenth at gcc dot gnu.org changed:
What|Removed |Added
Status|NEW |ASSIGNED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57341
--- Comment #7 from Jakub Jelinek jakub at gcc dot gnu.org ---
(In reply to Michael Matz from comment #5)
Nope. Our memory model allows this, the write will dynamically change
the type of the written memory cell.
But why is that? Just to
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57341
--- Comment #8 from rguenther at suse dot de rguenther at suse dot de ---
jakub at gcc dot gnu.org gcc-bugzi...@gcc.gnu.org wrote:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57341
--- Comment #7 from Jakub Jelinek jakub at gcc dot gnu.org ---
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57341
Jakub Jelinek jakub at gcc dot gnu.org changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57341
Jakub Jelinek jakub at gcc dot gnu.org changed:
What|Removed |Added
CC||matz at gcc dot
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