[Bug rtl-optimization/42699] [4.3/4.4/4.5 Regression] ZERO_EXTRACT on lhs never optimized out

[jakub at gcc dot gnu dot org]

------- Comment #1 from jakub at gcc dot gnu dot org  2010-01-12 20:25 -------
Subject: Bug 42699

Author: jakub
Date: Tue Jan 12 20:25:10 2010
New Revision: 155844

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=155844
Log:
        PR rtl-optimization/42699
        * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
        involved.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cse.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42699