Patch to update IA-64 port to SDM 2.1.

Patch to update IA-64 port to SDM 2.1.
bfd/ChangeLog
	* cpu-ia64-opc.c: Add operand constant "ar.csd".
gas/ChangeLog
	* config/tc-ia64.c (pseudo_func): Add "@pause" constant for "hint"
	instruction.
	(emit_one_bundle): Handle "hint" instruction.
	(operand_match): Match IA64_OPND_AR_CSD.
gas/testsuite/ChangeLog
	* gas/ia64/opc-b.d: Update for instructions added by SDM2.1.
	* gas/ia64/opc-b.s: Ditto.
	* gas/ia64/opc-f.d: Ditto.
	* gas/ia64/opc-f.s: Ditto.
	* gas/ia64/opc-i.d: Ditto.
	* gas/ia64/opc-i.s: Ditto.
	* gas/ia64/opc-m.d: Ditto.
	* gas/ia64/opc-m.s: Ditto.
	* gas/ia64/opc-x.d: Ditto.
	* gas/ia64/opc-x.s: Ditto.
include/opcode/ChangeLog
	* ia64.h: Fix copyright message.
	(IA64_OPND_AR_CSD): New operand kind.
opcodes/ChangeLog
	* ia64-opc-d.c (ia64_opcodes_d): Add "hint" instruction.
	* ia64-opc-b.c: Add "hint.b" instruction.
	* ia64-opc-f.c: Add "hint.f" instruction.
	* ia64-opc-i.c: Add "hint.i" instruction.
	* ia64-opc-m.c: Add "hint.m", "fc.i", "ld16", "st16", and
	"cmp8xchg16" instructions.
	* ia64-opc-x.c: Add "hint.x" instruction.
	* ia64-opc.h (AR_CSD): New macro.
	* ia64-ic.tbl: Update according to SDM2.1.
	* ia64-raw.tbl: Ditto.
	* ia64-waw.tbl: Ditto.
	* ia64-gen.c (in_iclass): Handle "hint" like "nop".
	(lookup_regindex): Recognize AR[FCR], AR[EFLAG], AR[CSD],
	AR[SSD], AR[CFLG], AR[FSR], AR[FIR], and AR[FDR].
	* ia64-asmtab.c: Regenerate.