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[Bug rtl-optimization/25799] [4.2 Regression] cc1 stalled with -O1 -fmodulo-sched



------- Comment #5 from zadeck at gcc dot gnu dot org  2006-01-17 14:34 -------
Subject: Bug 25799

Author: zadeck
Date: Tue Jan 17 14:34:50 2006
New Revision: 109818

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=109818
Log:
2005-01-17  Kenneth Zadeck <zadeck@naturalbridge.com>

        PR dataflow/25799
        * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
        Corrected confluence operator to remove bits from op2 before oring
        with op1 rather than removing bits from op1.
        * (df_ru_transfer_function): Corrected test on wrong bitmap which
        caused infinite loop.    



Modified:
    branches/dataflow-branch/gcc/ChangeLog.dataflow
    branches/dataflow-branch/gcc/df-problems.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25799


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