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re PR rtl-optimization/55547 (Alias analysis does not handle AND addresses correctly)
authorAlexandre Oliva <aoliva@redhat.com>
Fri, 18 Jan 2013 10:57:36 +0000 (10:57 +0000)
committerAlexandre Oliva <aoliva@gcc.gnu.org>
Fri, 18 Jan 2013 10:57:36 +0000 (10:57 +0000)
commit3aa035178c7bdfa0929bbb9f19ba0e8a9257cd1e
tree2b024acfe15d6f6f0810bffc2284f1ac1df7c6b9tree
parentc664546f0e9d12d8f3249b67982e0b192e112befcommit | diff
re PR rtl-optimization/55547 (Alias analysis does not handle AND addresses correctly)

PR rtl-optimization/55547
PR rtl-optimization/53827
PR debug/53671
PR debug/49888
* alias.c (offset_overlap_p): New, factored out of...
(memrefs_conflict_p): ... this.  Use absolute sizes.  Retain
the conservative special case for symbolic constants.  Don't
adjust zero sizes on alignment.

From-SVN: r195289
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