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* 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. From-SVN: r96301
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