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r127750 - in /trunk/gcc: ChangeLog testsuite/Ch...
- From: jakub at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Thu, 23 Aug 2007 23:29:58 -0000
- Subject: r127750 - in /trunk/gcc: ChangeLog testsuite/Ch...
Author: jakub
Date: Thu Aug 23 23:29:57 2007
New Revision: 127750
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=127750
Log:
PR tree-optimization/32573
PR middle-end/32946
* tree-data-ref.c (initialize_data_dependence_relation): Clear
DDR_SUBSCRIPTS, DDR_DIR_VECTS and DDR_DIST_VECTS at the beginning.
(finalize_ddr_dependent): Clear DDR_SUBSCRIPTS after freeing it.
(build_classic_dist_vector): Return false rather than true if
DDR_ARE_DEPENDENT is non-NULL at the beginning. Return false
if either subscript_dependence_tester_1 or build_classic_dist_vector_1
returned false. Don't call save_dist_v before calling
build_classic_dist_vector_1.
(free_dependence_relation): Don't guard freeing DDR_SUBSCRIPTS
with NULL DDR_ARE_DEPENDENT. Also free DDR_DIST_VECTS and/or
DDR_DIR_VECTS vectors.
* gcc.dg/pr32573.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr32573.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-data-ref.c