--- Comment #9 from rguenth at gcc dot gnu dot org 2009-03-28 10:12 ---
Fixed.
--
rguenth at gcc dot gnu dot org changed:
What|Removed |Added
Severity|normal
--- Comment #8 from rguenth at gcc dot gnu dot org 2009-03-28 10:11 ---
Subject: Bug 38513
Author: rguenth
Date: Sat Mar 28 10:11:14 2009
New Revision: 145172
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=145172
Log:
2009-03-28 Richard Guenther
PR tree-optimization/
--- Comment #7 from pinskia at gcc dot gnu dot org 2008-12-29 19:39 ---
One more testcase, we miss a sibcalling optimization due to this (this is
originally from PR 2100):
int i;
int g(void) __attribute__((pure));
int f()
{
int t = i;
int t1 = g();
i = t;
return t1;
}
--
htt
--- Comment #6 from pinskia at gcc dot gnu dot org 2008-12-29 19:38 ---
(In reply to comment #4)
> The idea is simple - delete redundant stores whose RHS have the same
> value-number as the LHS.
Which is basically what postreload CSE does really:
if (!count && reload_cse_noop_set_
--- Comment #5 from pinskia at gcc dot gnu dot org 2008-12-29 19:36 ---
*** Bug 21000 has been marked as a duplicate of this bug. ***
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38513
--- Comment #4 from rguenth at gcc dot gnu dot org 2008-12-29 19:23 ---
Created an attachment (id=17002)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17002&action=view)
patch
The idea is simple - delete redundant stores whose RHS have the same
value-number
as the LHS.
--
htt
--- Comment #3 from rguenth at gcc dot gnu dot org 2008-12-29 18:21 ---
I have a FRE patch.
--
rguenth at gcc dot gnu dot org changed:
What|Removed |Added
Assigne
--- Comment #2 from pinskia at gcc dot gnu dot org 2008-12-13 02:37 ---
(In reply to comment #1)
> Also note if we do -Dfloat=int on a target like PPC, the stores are not
> removed
> because postreloadcse does not understand mode changes that well.
I should say PPC64 or -Dfloat=short f
--- Comment #1 from pinskia at gcc dot gnu dot org 2008-12-13 02:35 ---
Also note if we do -Dfloat=int on a target like PPC, the stores are not removed
because postreloadcse does not understand mode changes that well.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38513
