* arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.

	* arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
	(arm_override_options): Allow automatic selection of the thread
	pointer register if thumb2.
	(legitimize_pic_address): Improve code sequences for Thumb2.
	(arm_call_tls_get_addr): Likewise.
	(legitimize_tls_address): Likewise.
	* arm.md (pic_load_addr_arm): Delete.  Replace with ...
	(pic_load_addr_32bit): ... this.  New named pattern.
	* thumb2.md (pic_load_addr_thumb2): Delete.
	(pic_load_dot_plus_four): Delete.
	(tls_load_dot_plus_four): New named pattern.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@156428 138bc75d-0d04-0410-961f-82ee72b054a4