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[Bug middle-end/37535] [4.4 Regression] gcc/libgcc2.c:404: internal compiler error: Floating point exception



------- Comment #14 from vmakarov at gcc dot gnu dot org  2008-09-26 00:44 -------
Subject: Bug 37535

Author: vmakarov
Date: Fri Sep 26 00:43:11 2008
New Revision: 140679

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=140679
Log:
2008-09-25  Vladimir Makarov  <vmakarov@redhat.com>

        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


-- 


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


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