------- Comment #18 from steven at gcc dot gnu dot org  2006-01-03 06:20 -------
Subject: Bug 25130

Author: steven
Date: Tue Jan  3 06:20:21 2006
New Revision: 109264

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=109264
Log:
        * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
        COMPONENT_REFs.
        * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
        hashing trees instead of a pointer hash.
        (mem_attrs_htab_eq): Do a deep compare instead of a pointer
        compare for MEM_EXPR.

        PR rtl-optimization/25130
        * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
        when comparing MEMs for GCSE

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cse.c
    trunk/gcc/emit-rtl.c
    trunk/gcc/fold-const.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25130


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