Backport mainline r174578 & r174577 to ARM/embedded-4_6-branch.
Committed.
2011-09-20 Jiangning Liu <jiangning....@arm.com>
Backport r174578 from mainline
2011-06-02 Julian Brown <jul...@codesourcery.com>
* config/arm/arm-cores.def (arm1156t2-s, arm1156t2f-s): Use v6t2
tuning.
* config/arm/arm-protos.h (tune_params): Add branch_cost hook.
* config/arm/arm.c (arm_default_branch_cost): New.
(arm_slowmul_tune, arm_fastmul_tune, arm_xscale_tune, arm_9e_tune)
(arm_v6t2_tune, arm_cortex_tune, arm_cortex_a9_tune)
(arm_fa726_tune): Set branch_cost field using
arm_default_branch_cost.
* config/arm/arm.h (BRANCH_COST): Use branch_cost hook from
current_tune structure.
* dojump.c (tm_p.h): Include file.
2011-09-20 Jiangning Liu <jiangning....@arm.com>
Backport r174577 from mainline
2011-06-02 Julian Brown <jul...@codesourcery.com>
* arm-cores.def (arm1156t2-s, arm1156t2f-s): Use v6t2 tuning.
(cortex-a5, cortex-a8, cortex-a15, cortex-r4, cortex-r4f, cortex-m4)
(cortex-m3, cortex-m1, cortex-m0): Use cortex tuning.
* config/arm/arm-protos.h (tune_params): Add prefer_constant_pool
field.
* config/arm/arm.c (arm_slowmul_tune, arm_fastmul_tune)
(arm_xscale_tune, arm_9e_tune, arm_cortex_a9_tune)
(arm_fa726te_tune): Add prefer_constant_pool setting.
(arm_v6t2_tune, arm_cortex_tune): New.
* config/arm/arm.h (TARGET_USE_MOVT): Make dependent on
prefer_constant_pool setting.
