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From: "aoliva at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/53827] [4.8 Regression][alpha]: Invalid insn scheduling in sched1 pass
Date: Mon, 02 Jul 2012 12:07:00 -0000 [thread overview]
Message-ID: <bug-53827-4-i0nAsSz8uj@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-53827-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53827
Alexandre Oliva <aoliva at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
AssignedTo|unassigned at gcc dot |aoliva at gcc dot gnu.org
|gnu.org |
--- Comment #2 from Alexandre Oliva <aoliva at gcc dot gnu.org> 2012-07-02 12:07:09 UTC ---
My thinko. This patchlet ought to fix it. Testing now...
Index: gcc/alias.c
===================================================================
--- gcc/alias.c.orig 2012-07-02 09:04:06.193137799 -0300
+++ gcc/alias.c 2012-07-02 09:04:08.000000000 -0300
@@ -2107,7 +2107,7 @@ memrefs_conflict_p (int xsize, rtx x, in
if (xsize > 0 && sc < 0 && -uc == (uc & -uc))
{
xsize -= sc + 1;
- c -= sc;
+ c -= sc + 1;
return memrefs_conflict_p (xsize, canon_rtx (XEXP (x, 0)),
ysize, y, c);
}
@@ -2119,7 +2119,7 @@ memrefs_conflict_p (int xsize, rtx x, in
if (ysize > 0 && sc < 0 && -uc == (uc & -uc))
{
ysize -= sc + 1;
- c += sc;
+ c += sc + 1;
return memrefs_conflict_p (xsize, x,
ysize, canon_rtx (XEXP (y, 0)), c);
}
next prev parent reply other threads:[~2012-07-02 12:07 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-01 13:00 [Bug rtl-optimization/53827] New: [alpha]: " ubizjak at gmail dot com
2012-07-01 17:16 ` [Bug rtl-optimization/53827] " ubizjak at gmail dot com
2012-07-02 9:02 ` [Bug rtl-optimization/53827] [4.8 Regression][alpha]: " rguenth at gcc dot gnu.org
2012-07-02 12:07 ` aoliva at gcc dot gnu.org [this message]
2012-07-03 7:05 ` ubizjak at gmail dot com
2012-07-06 7:56 ` ubizjak at gmail dot com
2012-07-06 11:37 ` aoliva at gcc dot gnu.org
2012-07-06 12:19 ` aoliva at gcc dot gnu.org
2013-01-16 4:32 ` aoliva at gcc dot gnu.org
2013-01-18 11:01 ` aoliva at gcc dot gnu.org
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