invoke.texi: List r1x000 family under the -march MIPS option.

invoke.texi: List r1x000 family under the -march MIPS option.

gcc/
2008-10-06  Joshua Kinard  <kumba@gentoo.org>

	* doc/invoke.texi: List r1x000 family under the -march MIPS option.
	* config/mips/mips.h (PROCESSOR_R10000): New processor_type.
	* config/mips/mips.c (mips_cpu_info_table): Add r10000, r12000,
	r14000 and r16000.
	(mips_rtx_cost_data): Add a PROCESSOR_R10000 entry.
	(mips_issue_rate): Handle PROCESSOR_R10000.
	* config/mips/mips.md (cpu): Add r10000.
	Include r10000.md.
	* config/mips/10000.md: New file.

From-SVN: r140913