[Bug rtl-optimization/64682] [5 Regression] wrong code at -O2 and -O3 on x86_64-linux-gnu

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64682

--- Comment #5 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Author: segher
Date: Thu Jan 22 00:35:44 2015
New Revision: 219981

URL: https://gcc.gnu.org/viewcvs?rev=219981&root=gcc&view=rev
Log:
    PR rtl-optimization/64682
    * combine.c (distribute_notes): When moving a death note for
    a register that is set in the new I2, make sure to put it
    before that new I2.

    PR rtl-optimization/64682
    * gcc.c-torture/execute/pr64682.c: New file.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/combine.c
    trunk/gcc/testsuite/ChangeLog