* features/Makefile: Generate regformats for mips-linux and
mips64-linux.
* features/sort-regs.xsl: Correct typo.
* regformats/reg-mips.dat, regformats/reg-mips64.dat: Delete.
* regformats/mips-linux.dat, regformats/mips64-linux.dat: New generated
files.
* Makefile.in (clean): Clean new files instead of deleted ones.
(reg-mips.o, reg-mips.c, reg-mips64.o, reg-mips64.c): Delete.
(mips-linux.o, mips-linux.c, mips64-linux.o, mips64-linux.c): New
rules.
* configure.srv: Specify XML files and new regformats for MIPS and
MIPS64 GNU/Linux.
* linux-mips-low.c (mips_num_regs): Set to only used registers.
(mips_regmap): Do not fetch $0. Remove unused registers. Add
an entry for the restart register.
(mips_cannot_fetch_register, mips_cannot_store_register)
(mips_reinsert_addr, mips_fill_fpregset, mips_store_fpregset): Update
register names to match the XML descriptions.
(mips_fill_gregset, mips_store_gregset): Likewise. Handle the
restart register instead of $0.