[Bug bootstrap/36908] bootstrap forever with BOOT_CFLAGS="-O2 -ftree-loop-distribution"

[spop at gcc dot gnu dot org]

------- Comment #7 from spop at gcc dot gnu dot org  2008-11-03 16:36 -------
Subject: Bug 36908

Author: spop
Date: Mon Nov  3 16:35:13 2008
New Revision: 141550

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=141550
Log:
2008-11-03  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/36908
        * testsuite/gcc.dg/tree-ssa/pr36908.c: New.
        * tree-loop-distribution.c (number_of_rw_in_rdg): New.
        (number_of_rw_in_partition): New.
        (partition_contains_all_rw): New.
        (ldist_gen): Do not distribute when one of the partitions
        contains all the memory operations.



Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr36908.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-loop-distribution.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36908