[Bug rtl-optimization/62151] [5 Regression] wrong code at -O2 and -O3 on x86_64-linux-gnu

[amker at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62151

--- Comment #17 from amker at gcc dot gnu.org ---
Author: amker
Date: Mon Dec 22 10:25:10 2014
New Revision: 219008

URL: https://gcc.gnu.org/viewcvs?rev=219008&root=gcc&view=rev
Log:

    PR rtl-optimization/62151
    * combine.c (try_combine): New local variables local_elim_i1
    and local_elim_i0.  Set elim_i1 and elim_i0 using the local
    version variables.  Distribute notes from i0notes or i1notes
    using the local variables.

    gcc/testsuite/ChangeLog
    PR rtl-optimization/62151
    * gcc.c-torture/execute/pr62151.c: New test.


Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/pr62151.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/combine.c
    trunk/gcc/testsuite/ChangeLog