arm.c (arm_option_override): Reoganized and split into : (arm_option_params_internal...

arm.c (arm_option_override): Reoganized and split into : (arm_option_params_internal); New function.

2014-09-23  Christian Bruel  <christian.bruel@st.com>

	* config/arm/arm.c (arm_option_override): Reoganized and split into :
	(arm_option_params_internal); New function.
	(arm_option_check_internal): New function.
	(arm_option_override_internal): New function.
	(thumb_code, thumb1_code): Remove.
	* config/arm/arm.h (TREE_TARGET_THUMB, TREE_TARGET_THUMB1): New macros.
	(TREE_TARGET_THUM2, TREE_TARGET_ARM): Likewise.
	(thumb_code, thumb1_code): Remove.
	* config/arm/arm.md (is_thumb, is_thumb1): Check TARGET flag.

From-SVN: r222995