Fix 3 DV bugs, and a few minor cleanups.

Fix 3 DV bugs, and a few minor cleanups.
gas/
	* config/tc-ia64.c (specify_resource, case IA64_RS_GR): Handle
	postincrement modified registers.  Handle IA64_OPND_R3_2 addl
	source registers.
	(note_register_values): Handle IA64_OPND_R3_2 operands.
gas/testsuite/
	* gas/ia64/dv-raw-err.s: Add new tests for addl and postinc.
	* gas/ia64/dv-raw-err.l: Likewise.
	* gas/ia64/dv-waw-err.l: Update sed pattern.
	* gas/ia64/opc-f.pl: Delete fpsub, and fpadd comment.
	* gas/ia64/opc-f.s, gas/ia64/opc-f.d: Regenerate.
include/opcode/
	* ia64.h (IA64_OPCODE_POSTINC): New.
opcodes/
	* ia64-ic.tbl (pr-readers-nobr-nomovpr): Add addl, adds.  Delete
	break, mov-immediate, nop.
	* ia64-opc-f.c: Delete fpsub instructions.
	* ia64-opc-m.c: Add POSTINC to all instructions with postincrement
	address operand.  Rewrite using macros to avoid long lines.
	* ia64-opc.h (POSTINC): Define.
	* ia64-asmtab.c: Regenerate.