[Bug debug/42662] [4.5 Regression] invalid rtl sharing found in the insn

Tue, 12 Jan 2010 01:46:08 -0800 


------- Comment #8 from jakub at gcc dot gnu dot org  2010-01-12 09:45 -------
Subject: Bug 42662

Author: jakub
Date: Tue Jan 12 09:45:19 2010
New Revision: 155831

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=155831
Log:
        PR debug/42662
        * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
        sharing when canonicalizing ({lt,ge}u (plus a b) b).

        * gcc.dg/pr42662.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr42662.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/simplify-rtx.c
    trunk/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42662

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