diff options
| author | aoliva <aoliva@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-07-06 11:37:14 +0000 |
|---|---|---|
| committer | aoliva <aoliva@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-07-06 11:37:14 +0000 |
| commit | 686d491a041f813b4fa6691008f11062bd6fc091 (patch) | |
| tree | f4ceb627969e672a3c9d424e73c294fcb25e8885 /gcc | |
| parent | cfc5707a46815e6416f7622ba0f82b94ce50e77d (diff) | |
| download | gcc-686d491a041f813b4fa6691008f11062bd6fc091.tar.gz | |
PR rtl-optimization/53827
PR debug/53671
PR debug/49888
* alias.c (memrefs_conflict_p): Adjust offset and size by the
same amount for alignment ANDs.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@189325 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/alias.c | 4 |
2 files changed, 10 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 871e023603f..f7a65b96bc0 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,11 @@ +2012-07-06 Alexandre Oilva <aoliva@redhat.com> + + PR rtl-optimization/53827 + PR debug/53671 + PR debug/49888 + * alias.c (memrefs_conflict_p): Adjust offset and size by the + same amount for alignment ANDs. + 2012-07-06 Tom de Vries <tom@codesourcery.com> PR tree-optimization/51879 diff --git a/gcc/alias.c b/gcc/alias.c index b6aca343f06..de9f32c46d6 100644 --- a/gcc/alias.c +++ b/gcc/alias.c @@ -2107,7 +2107,7 @@ memrefs_conflict_p (int xsize, rtx x, int ysize, rtx y, HOST_WIDE_INT c) 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, int ysize, rtx y, HOST_WIDE_INT c) 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); } |