* config/mips/mips.h (mips_fix_vr4130_string): Declare.

	* config/mips/mips.h (mips_fix_vr4130_string): Declare.
	(TARGET_FIX_VR4130): New macro.
	(TARGET_OPTIONS): Add -mfix-vr4130.
	(ISA_HAS_MACCHI): New macro.
	(ASM_SPEC): Add -mfix-vr4130.
	* config/mips/mips.c (mips_fix_vr4130_string): New variable.
	(override_options): Handle mips_fix_vr4130_string.
	(mips_avoid_hazards): Clear all_noreorder_p
	if we're working around VR4130 errata and the macc alternatives
	are not available.
	* config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
	(*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
	* config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
	(MULTILIB_DEFAULTS): Remove leading "march=".
	(DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
	if no architecture option is given.
	* config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
	VR4130 multilibs.
	(MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
	* doc/invoke.texi: Document -mfix-vr4130.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@96301 138bc75d-0d04-0410-961f-82ee72b054a4