[Bug rtl-optimization/29798] [4.3 Regression] -O2 gives wrong results

[bonzini at gcc dot gnu dot org]

------- Comment #13 from bonzini at gnu dot org  2006-11-14 08:46 -------
Subject: Bug 29798

Author: bonzini
Date: Tue Nov 14 08:46:26 2006
New Revision: 118808

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=118808
Log:
2006-11-14  Paolo Bonzini  <[EMAIL PROTECTED]>

        PR rtl-optimization/29798

        * fwprop.c (use_killed_between): Check that DEF_INSN dominates
        TARGET_INSN before any other check.
        (fwprop_init): Always calculate dominators.
        (fwprop_done): Always free them.

2006-11-14  Paolo Bonzini  <[EMAIL PROTECTED]>

        PR rtl-optimization/29798

        * gcc.c-torture/execute/pr29798.c: New.


Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/pr29798.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fwprop.c
    trunk/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29798