mips.c (machine_function): Add new fields: ignore_hazard_length_p and all_noreorder_p.

mips.c (machine_function): Add new fields: ignore_hazard_length_p and all_noreorder_p.

	* config/mips/mips.c (machine_function): Add new fields:
	ignore_hazard_length_p and all_noreorder_p.
	(mips_flag_delayed_branch): New variable.
	(override_options): Treat '/' as an operand punctuation character.
	Set up mips_flag_delayed_branch.
	(print_operand): Handle '/'.
	(mips_output_function_prologue): Put the whole function in
	.set noreorder and .set nomacro if all_noreorder_p is true.
	(mips_output_function_epilogue): End the noreorder/nomacro sequence.
	(mips16_optimize_gp): Remove "first insn" parameter.
	(mips16_lay_out_constants): New function, split out from mips_reorg.
	(mips_avoid_hazard, mips_avoid_hazards): New functions.
	(mips_reorg): For mips16 code, call mips16_lay_out_constant
	and (optionally) mips16_optimize.  If TARGET_EXPLICIT_RELOCS,
	do delayed-branch scheduling followed by hazard detection.
	(mips_adjust_insn_length): Only account for hazards if
	!ignore_hazard_length_p.
	(mips_output_load_label): Add a nop to the o32 sequence if
	the target suffers from load delays.
	(mips_output_conditional_branch): Add %/ to the end of branches.
	(mips_output_division): Fill the branch delay slot with %#.
	* config/mips/mips.md: Remove redundant '%*' from mips16 branch
	instructions.  End all other %* branches with %/.
	(ffssi2, ffsdi2): Fix lengths.
	(truncdisi2, truncdihi2, truncdiqi2): Add store attributes.
	(fix_truncdfsi2_macro): Turn off .set nomacro if appropriate.
	(fix_truncsfsi2_macro): Likewise.
	(mov_lwl): Set hazard to "none".
	(ashldi3_internal): Fill the branch delay slot with %#.
	(ashrdi3_internal, lshrdi3_internal): Likewise.
	(exception_receiver): Explicitly set $28.
	(hazard_nop): New pattern.

From-SVN: r68821