[Bug rtl-optimization/48927] Issues with "enable" attribute and IRA register preferences

[uros at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48927

--- Comment #4 from uros at gcc dot gnu.org 2011-05-09 12:11:31 UTC ---
Author: uros
Date: Mon May  9 12:11:25 2011
New Revision: 173568

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=173568
Log:
    PR rtl-optimization/48927
    * ira-conflicts.c (commutative_constraint_p): Use
    recog_data.alternative_enabled_p to disable alternatives where
    "enabled" attribute is false.
    (get_dup_num): Ditto.
    * ira-lives.c (single_reg_class): Ditto.
    (ira_implicitly_set_insn_hard_regs): Ditto.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ira-conflicts.c
    trunk/gcc/ira-lives.c