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[Bug rtl-optimization/25799] [4.2 Regression] cc1 stalled with -O1 -fmodulo-sched
- From: "zadeck at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 17 Jan 2006 14:34:55 -0000
- Subject: [Bug rtl-optimization/25799] [4.2 Regression] cc1 stalled with -O1 -fmodulo-sched
- References: <bug-25799-8902@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- 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