[Bug middle-end/42574] [4.3/4.4/4.5/4.6 Regression] Address of global variable is calculated multiple times (missed CSE)

[mkuvyrkov at gcc dot gnu dot org]

------- Comment #11 from mkuvyrkov at gcc dot gnu dot org  2010-07-27 19:35 
-------
Subject: Bug 42574

Author: mkuvyrkov
Date: Tue Jul 27 19:34:55 2010
New Revision: 162590

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=162590
Log:
        PR rtl-optimization/40956
        PR target/42495
        PR middle-end/42574
        * gcse.c (compute_code_hoist_vbeinout): Consider more expressions
        for hoisting.
        (hoist_code): Count occurences in current block too.

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


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42574