[Bug rtl-optimization/45652] [4.6 Regression] gcc.dg/compat/scalar-by-value-3 FAILs with -O2 -fselective-scheduling2

[amonakov at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45652

--- Comment #10 from Alexander Monakov <amonakov at gcc dot gnu.org> 2010-11-22 
10:35:10 UTC ---
Author: amonakov
Date: Mon Nov 22 10:35:06 2010
New Revision: 167025

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=167025
Log:
    PR rtl-optimization/45652
    * alias.c (get_reg_base_value): New.
    * rtl.h (get_reg_base_value): Add prototype.
    * sel-sched.c (init_regs_for_mode): Use it.  Don't use registers with
    non-null REG_BASE_VALUE for renaming.

testsuite:
    * gcc.dg/pr45652.c: New.


Added:
    trunk/gcc/testsuite/gcc.dg/pr45652.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/alias.c
    trunk/gcc/rtl.h
    trunk/gcc/sel-sched.c
    trunk/gcc/testsuite/ChangeLog