sparc.c (SKIP_CALLERS_UNIMP_P): Define.

sparc.c (SKIP_CALLERS_UNIMP_P): Define.

	* sparc/sparc.c (SKIP_CALLERS_UNIMP_P): Define.
	(sparc_cpu_type, sparc_arg_count, sparc_n_named_args,
	frame_base_offset, fpconv_stack_temp): New globals.
	(leaf_reg_remap): Add additional registers for v9.
	(sparc_override_options, sparc64_init_expanders,
	sparc64_fpconv_stack_temp, intreg_operand, ccfp_reg_operand,
	data_segment_operand, text_segment_operand, v9_regcmp_op,
	arith11_operand, arith10_operand, arith11_double_operand,
	arith10_double_operand, gen_v9_scc, emit_v9_brxx_insn,
	sparc_init_modes, build_big_number, output_v9branch,
	sparc_initialize_trampoline, sparc64_initialize_trampoline):
	New functions.
	(arith_double_operand, gen_compare_reg, finalize_pic,
	emit_move_sequence, mem_aligned_8, output_move_double,
	output_move_quad, output_fp_move_double, output_fp_move_quad,
	output_block_move, save_regs, restore_regs): Add v9 support.
	(sparc_mode_class): New enum.
	(*_MODES): Redefine to use it.
	(hard_32bit_mode_classes): Renamed from hard_regno_mode_ok.
	(hard_regno_mode_classes, hard_64bit_mode_classes,
	sparc_mode_class): New globals.
	(num_gfregs): Renamed from num_fregs.
	(compute_frame_size): Add v9 support.  Simplify calculations.
	(output_function_prologue): Call build_big_number to compute stack
	size in %g1, then adjust %sp.
	Fix saving of call saved registers.  Handle new v9 registers.
	(output_function_epilogue): Fix restoration of call saved registers.
	Handle new v9 registers.
	Use SKIP_CALLERS_UNIMP_P to see if unimp insn is at return address.
	(sparc_builtin_saveregs): Define v9 version.
	(output_cbranch): New argument fp_cond_reg.  All callers changed.
	Add v9 support.
	(output_return): Use SKIP_CALLERS_UNIMP_P.
	(print_operand): New codes '_', '@', 'C', 'D'.
	(output_double_int): Handle LABEL_REF and MINUS for v9.
	Use ASM_LONGLONG if assembler can handle it.

From-SVN: r7486