[Bug middle-end/38250] ICE with -O2 -ftree-loop-distribution

["tomby at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #5 from tomby at gcc dot gnu dot org  2008-12-03 13:36 -------
Subject: Bug 38250

Author: tomby
Date: Wed Dec  3 13:35:13 2008
New Revision: 142394

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=142394
Log:
        PR middle-end/38250
        * tree-loop-distribution.c (build_size_arg): New function.
        (generate_memset_zero): Checks if DR_STEP(de) is NULL.
        Reorganized generating of stmts.
        * testsuite/gcc.dg/tree-ssa/pr38250.c: New file.
        * tree-data-ref.c (dr_analyze_innermost): Returns bool.
        Indicate if analysis succeed.
        * tree-data-ref.h (dr_analyze_innermost): Returns bool.
        * tree-predcom.c (valid_initializer_p, find_looparound_phi):
        Uses new definition of dr_analyze_innermost.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-data-ref.c
    trunk/gcc/tree-data-ref.h
    trunk/gcc/tree-loop-distribution.c
    trunk/gcc/tree-predcom.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38250