gcc/
	* config/arm/arm.md (UNSPEC_PIC_BASE): Update documentation.
	(UNSPEC_GOTSYM_OFF): New unspec.
	(pic_add_dot_plus_four): Simplify the UNSPEC_PIC_BASE operands.
	(pic_add_dot_plus_eight): Likewise.
	(tls_load_dot_plus_eight): Likewise.  Update peephole2.
	* config/arm/thumb2.md (pic_load_dot_plus_four): Simplify the
	UNSPEC_PIC_BASE operands.
	* config/arm/arm.c (arm_load_pic_register): Use UNSPEC_GOTSYM_OFF.
	(arm_output_addr_const_extra): Handle it.

From-SVN: r141560