r193980 - in /branches/ARM/embedded-4_7-branch/...

[amker@gcc.gnu.org]

Author: amker
Date: Fri Nov 30 05:56:50 2012
New Revision: 193980

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193980
Log:

	* config/arm/arm-protos.h (tune_params): Add
	preferred_renaming_class.
	* config/arm/arm.c (arm_slowmul_tune, arm_fastmul_tune)
	(arm_strongarm_tune, arm_xscale_tune, arm_9e_tune, arm_v6t2_tune)
	(arm_cortex_tune, arm_cortex_a5_tune, arm_cortex_a9_tune)
	(arm_cortex_v7m_tune, arm_cortex_v6m_tune, arm_fa726te_tune): Set
	preferred_renaming_class field.
	(arm_preferred_rename_class): Return preferred renaming register
	class.
	* config/arm/arm.md (*arm_addsi3, *arm_subsi3_insn, *arm_mulsi3_v6)
	(*arm_andsi3_insn, andsi_notsi_si, *iorsi3_insn, *arm_xorsi3)
	(*arm_shiftsi3): Add alternatives for Thumb2 set.
	* regrename.c (find_best_rename_reg): Don't rename preferred
	register to non-preferred register.


Modified:
    branches/ARM/embedded-4_7-branch/gcc/ChangeLog.arm
    branches/ARM/embedded-4_7-branch/gcc/config/arm/arm-protos.h
    branches/ARM/embedded-4_7-branch/gcc/config/arm/arm.c
    branches/ARM/embedded-4_7-branch/gcc/config/arm/arm.md
    branches/ARM/embedded-4_7-branch/gcc/regrename.c