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| author | Andreas Krebbel <krebbel1@de.ibm.com> | 2008-02-25 15:07:17 +0000 |
|---|---|---|
| committer | Andreas Krebbel <krebbel@gcc.gnu.org> | 2008-02-25 15:07:17 +0000 |
| commit | 2e4e39f615dacf0dbc8b02db27b1046f849c731d (patch) | |
| tree | fc21b35d3970def7cfb0d7c5ee657f66f97bd3bf /gcc/alias.h | |
| parent | 891984af0ffaed847d07a43c5528e9bd217dc2b9 (diff) | |
| download | gcc-2e4e39f615dacf0dbc8b02db27b1046f849c731d.tar.gz | |
re PR target/35258 (two memcpy calls merged incorrectly with -O1)
2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
PR target/35258
* cse.c (cse_insn): Avoid creation of overlapping MEMs.
* alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
* alias.h (nonoverlapping_memrefs_p): Likewise.
2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
PR target/35258
* gcc.dg/pr35258.c: New testcase.
From-SVN: r132628
Diffstat (limited to 'gcc/alias.h')
| -rw-r--r-- | gcc/alias.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/alias.h b/gcc/alias.h index a24549391fe..772aea09010 100644 --- a/gcc/alias.h +++ b/gcc/alias.h @@ -28,6 +28,7 @@ extern alias_set_type get_varargs_alias_set (void); extern alias_set_type get_frame_alias_set (void); extern bool component_uses_parent_alias_set (const_tree); extern bool alias_set_subset_of (alias_set_type, alias_set_type); +extern int nonoverlapping_memrefs_p (const_rtx, const_rtx); /* This alias set can be used to force a memory to conflict with all other memories, creating a barrier across which no memory reference |