gas/

gas/
2009-07-24  Jan Beulich  <jbeulich@novell.com>

	* tc-i386.c (cpu_arch): Add .8087, .287, .387, .no87, .nommx,
	.nosse, and .noavx.
	(cpu_flags_and_not): New.
	(set_cpu_arch): Check whether sub-architecture specified is a
	feature disable.
	(md_parse_option): Likewise.
	(parse_real_register): Don't return floating point register
	when x87 functionality is disabled.
	(md_show_usage): Add new sub-options.
	* doc/c-i386.texi: Update with new command line sub-options.

gas/testsuite/
2009-07-24  Jan Beulich  <jbeulich@novell.com>

	* gas/i386/8087.[ds]: New.
	* gas/i386/287.[ds]: New.
	* gas/i386/387.[ds]: New.
	* gas/i386/no87.[ls]: New.
	* gas/i386/no87-2.[ls]: New.
	* gas/i386/i386.exp: Run new tests.
	* gas/i386/att-regs.s: Also check FPU register access.
	* gas/i386/intel-regs.s: Likewise.
	* gas/i386/att-regs.d: Adjust expectations.
	* gas/i386/intel-regs.d: Likewise.

opcodes/
2009-07-24  Jan Beulich  <jbeulich@novell.com>

	* i386-dis.c (fgrps): Correct annotation for feni/fdisi. Add
	frstpm.
	* i386-gen.c (cpu_flag_init): Add FP enabling flags where needed.
	(cpu_flags): Add Cpu8087, Cpu287, Cpu387, Cpu687, and CpuFISTTP.
	(set_bitfield): Expand CpuFP to Cpu8087|Cpu287|Cpu387.
	* i386-opc.h (Cpu8087, Cpu287, Cpu387, Cpu687, CpuFISTTP):
	Define.
	(union i386_cpu_flags): Add cpu8087, cpu287, cpu387, cpu687,
	and cpufisttp.
	* i386-opc.tbl: Qualify floating point instructions by their
	respective CpuXXX flag. Fix fucom{,p,pp}, fprem1, fsin, fcos,
	and fsincos to be avilable only on 387. Fix fstsw ax to be
	available only on 287+. Add f{,n}eni, f{,n}disi, f{,n}setpm,
	and frstpm.
	* i386-init.h, i386-tbl.h: Regenerate.