[Bug rtl-optimization/57189] [4.9 Regression] Vector register is spilled for vector extract pattern

[vmakarov at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57189

--- Comment #8 from Vladimir Makarov <vmakarov at gcc dot gnu.org> ---
Author: vmakarov
Date: Thu Mar 13 15:52:50 2014
New Revision: 208549

URL: http://gcc.gnu.org/viewcvs?rev=208549&root=gcc&view=rev
Log:
2014-03-13  Vladimir Makarov  <vmakarov@redhat.com>

    PR rtl-optimization/57189
    * lra-constraints.c (process_alt_operands): Disfavor spilling
    vector pseudos.

2014-03-13  Vladimir Makarov  <vmakarov@redhat.com>

    PR rtl-optimization/57189
    * gcc.target/i386/pr57189.c: New.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr57189.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/lra-constraints.c
    trunk/gcc/testsuite/ChangeLog