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r133257 - in /trunk/gcc: ChangeLog testsuite/Ch...
- From: rguenth at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Sat, 15 Mar 2008 18:22:27 -0000
- Subject: r133257 - in /trunk/gcc: ChangeLog testsuite/Ch...
Author: rguenth
Date: Sat Mar 15 18:22:26 2008
New Revision: 133257
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=133257
Log:
2008-03-15 Richard Guenther <rguenther@suse.de>
* tree-ssa-ccp.c (ccp_fold): Also read from constant values
and fold constant aggregate refs.
(fold_const_aggregate_ref): Handle string constants
and constructors in ARRAY_REFs. Handle INDIRECT_REF.
(evaluate_stmt): Simplify now that ccp_fold folds constant
aggregate refs.
* gcc.dg/tree-ssa/ssa-ccp-16.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-16.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-ccp.c