r207787 - in /trunk/gcc: ChangeLog config/arm/a...

[vmakarov@gcc.gnu.org]

Author: vmakarov
Date: Fri Feb 14 16:18:29 2014
New Revision: 207787

URL: http://gcc.gnu.org/viewcvs?rev=207787&root=gcc&view=rev
Log:
2014-02-14  Vladimir Makarov  <vmakarov@redhat.com>
	    Richard Earnshaw  <rearnsha@arm.com>

	PR rtl-optimization/59535
	* lra-constraints.c (process_alt_operands): Encourage alternative
	when unassigned pseudo class is superset of the alternative class.
	(inherit_reload_reg): Don't inherit when optimizing for code size.
	* config/arm/arm.h (MODE_BASE_REG_CLASS): Add version for LRA
	returning CORE_REGS for anything but Thumb1 and BASE_REGS for
	modes not less than 4 for Thumb1.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/arm/arm.h
    trunk/gcc/lra-constraints.c