On Fri, 2015-07-31 at 00:32 +0000, Joseph Myers wrote:
> New command-line options need documenting in invoke.texi.

Good point, thanks for catching that.  Here is an updated patch with
invoke.texi.  There are no other changes to the patch.

Steve Ellcey
sellcey@imgtec.com



2015-07-31  Steve Ellcey  <sellcey@imgtec.com>
	    Zoran Jovanovic  <zoran.jovanovic@imgtec.com>
	    Catherine Moore  <clm@codesourcery.com>
	    Tom de Vries  <tom@codesourcery.com>

	* config/mips/mips.opt (mframe-header-opt): New option.
	* config/mips/mips.c (struct mips_frame_info): Add
	skip_stack_frame_allocation_p field.
	(struct machine_function): Add callees_use_frame_header_p,
	uses_frame_header_p, and initial_total_size fields.
	(mips_frame_header_usage): New hash.
	(mips_find_if_frame_header_is_used): New Function.
	(mips_callee_use_frame_header): New Function.
	(mips_callees_use_frame_header_p): New Function.
	(mips_cfun_use_frame_header_p): New Function.
	(mips_get_updated_offset): New Function.
	(mips_skip_stack_frame_alloc): New Function.
	(mips_frame_header_update_insn): New Function.
	(mips_rest_of_frame_header_opt): New function.
	(mips_compute_frame_info): Add recalculate and frame arguments.
	(mips_frame_pointer_required): Add new args to
	mips_compute_frame_info call.
	(mips_initial_elimination_offset): Ditto.
	(mips_gp_expand_needed_p): New function factored out of
	mips_expand_ghost_gp_insns.
	(mips_expand_ghost_gp_insns): Use mips_gp_expand_needed_p.
	(mips_reorg): Use mips_rest_of_frame_header_opt.
	* doc/invoke.texi (MIPS Options): Document -mframe-header-opt flag.


2015-07-31  Steve Ellcey  <sellcey@imgtec.com>
	    Tom de Vries  <tom@codesourcery.com>

	* gcc.target/mips/fho-1.c: New test.
	* gcc.target/mips/fho-2.c: New test.
	* gcc.target/mips/mips.exp: Add -mframe-header-opt to
	mips_option_groups.