nvptx.c (nvptx_maybe_convert_symbolic_operand): Remove UNSPEC_TO_GENERIC generation.

nvptx.c (nvptx_maybe_convert_symbolic_operand): Remove UNSPEC_TO_GENERIC generation.

	* config/nvptx/nvptx.c (nvptx_maybe_convert_symbolic_operand):
	Remove UNSPEC_TO_GENERIC generation.
	(nvptx_output_mov_insn): Generate cvta for symbolic src.
	* config/nvptx/nvptx.md (nvptx_register_operand): Allow hard reg.
	(nvptx_reg_or_mem_operand): Likewise.
	(nvptx_nonmemory_operand): Likewise.
	(nvptx_general_operand): Delete.
	(*mov<mode>_insn): Use nonimmediate_operand, permit hardregs.
	(oacc_fork, oacc_join): Use general_operand.

From-SVN: r231837