[Bug tree-optimization/26821] [4.1 Regression] ice in varasm.c with certain flags

["bonzini at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #6 from bonzini at gnu dot org  2006-04-18 13:24 -------
Subject: Bug 26821

Author: bonzini
Date: Tue Apr 18 13:24:45 2006
New Revision: 113036

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=113036
Log:
2006-04-18  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/26821

        Backport from mainline:

        2006-04-18  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/26821
        * tree-ssa-math-opts.c (get_constant_one): New.
        (insert_reciprocals): Use it.

        2006-02-02  Paolo Bonzini  <bonzini@gnu.org>

        * tree-flow-inline.h (bsi_after_labels): Rewrite, return
        what its name says.
        * lambda-code.c (perfect_nestify): Use bsi_insert_before on
        bsi_after_labels iterator.
        * tree-if-conv.c (find_phi_replacement_condition,
        replace_phi_with_cond_modify_expr): Likewise.
        * tree-scalar-evolution.c (scev_const_prop): Likewise.
        * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.   

2006-04-18  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/26821
        * gcc.dg/vect/vect-recip.c: New test.


Added:
    branches/gcc-4_1-branch/gcc/testsuite/gcc.dg/vect/vect-recip.c
Modified:
    branches/gcc-4_1-branch/gcc/ChangeLog
    branches/gcc-4_1-branch/gcc/lambda-code.c
    branches/gcc-4_1-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_1-branch/gcc/tree-flow-inline.h
    branches/gcc-4_1-branch/gcc/tree-if-conv.c
    branches/gcc-4_1-branch/gcc/tree-scalar-evolution.c
    branches/gcc-4_1-branch/gcc/tree-ssa-loop-ivopts.c
    branches/gcc-4_1-branch/gcc/tree-ssa-math-opts.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26821