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[Bug middle-end/37535] [4.4 Regression] gcc/libgcc2.c:404: internal comp

Subject: [Bug middle-end/37535] [4.4 Regression] gcc/libgcc2.c:404: internal compiler error: Floating point exception
From: "vmakarov at gcc dot gnu dot org"
Date: 6 Oct 2008 15:35:50 -0000

------- Comment #16 from vmakarov at gcc dot gnu dot org  2008-10-06 15:35 
-------
Subject: Bug 37535

Author: vmakarov
Date: Mon Oct  6 15:34:26 2008
New Revision: 140906

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=140906
Log:
2008-10-06  Vladimir Makarov  <vmakarov@xxxxxxxxxx>

        PR middle-end/37535

        * ira-lives.c (mark_reg_live, mark_reg_dead): New functions.
        (mark_ref_live, mark_ref_dead): Use them.
        (def_conflicts_with_inputs_p): Remove.
        (mark_early_clobbers): New function.
        (process_bb_node_lives): Call preprocess_constraints and
        mark_early_clobbers.

        * doc/rtx.texi (clobber): Change how RA deals with clobbers.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/doc/rtl.texi
    trunk/gcc/ira-lives.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37535

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