* config/tc-sparc.c (md_longopts): Add --no-undeclared-regs option.
(sparc_ip): Warn if %g2 or %g3 register is used and not covered
by .register pseudo-op if -64 and --no-undeclared-regs.
(s_register, sparc_adjust_symtab): New functions.
* config/tc-sparc.h (tc_adjust_symtab, sparc_adjust_symtab):
Declare sparc_adjust_symtab as tc_adjust_symtab.
* doc/c-sparc.texi: Add description of #ignore special literal
for .register pseudo-op.
* config/tc-sparc.c (sparc_ip): Allow OLO10 relocations
on -64 and not pic.
(output_insn): Put OLO10's secondary addend into tc_fix_data.
(md_apply_fix3): Handle BFD_RELOC_SPARC_OLO10.
(tc_gen_reloc): Return two relocs for OLO10, LO10 and SPARC13.
* config/tc-sparc.h (RELOC_EXPANSION_POSSIBLE,
MAX_RELOC_EXPANSION): Define.
(TC_FIX_TYPE, TC_INIT_FIX_DATA, TC_FIX_DATA_PRINT): Likewise.
