Add support for AArch32 CRC instruction in ARMv8.

gas/ChangeLog
2013-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/tc-arm.c (crc_ext_armv8): New feature set.
	(UNPRED_REG): New macro.
	(do_crc32_1): New function.
	(do_crc32b, do_crc32h, do_crc32w, do_crc32cb,
	do_crc32ch, do_crc32cw): Likewise.
	(TUEc): New macro.
	(insns): Add entries for crc32 mnemonics.
	(arm_extensions): Add entry for crc.

include/opcode/ChangeLog
2013-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* arm.h (CRC_EXT_ARMV8): New constant.
	(ARCH_CRC_ARMV8): New macro.

opcodes/ChangeLog
2013-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* arm-dis.c (arm_opcodes): Add entries for CRC instructions.
	(thumb32_opcodes): Likewise.
	(print_insn_thumb32): Handle 'S' control char.

gas/testsuite/ChangeLog
2013-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* gas/arm/crc32-bad.d: New file.
	* gas/arm/crc32-bad.l: Likewise.
	* gas/arm/crc32-bad.s: Likewise.
	* gas/arm/crc32.d: Likewise.
	* gas/arm/crc32.s: Likewise.
2013-03-11  Sebastian Huber <sebastian.huber@embedded-brains.de>

	include/
	* opcode/nios2.h (OP_RDPRS): New define.
	(OP_MATCH_RDPRS): Likewise.

	opcodes/
	* nios2-opc.c (nios2_builtin_opcodes): Add entry for rdprs.

	gas/testsuite/
	* gas/nios2/nios2.exp: Run rdprs.
	* gas/nios2/rdprs.d: New file.
	* gas/nios2/rdprs.s: Likewise.
2013-03-11  Sebastian Huber <sebastian.huber@embedded-brains.de>

	include/
	* opcode/nios2.h (OPX_WRPRS): New define.
	(OP_MATCH_WRPRS): Likewise.

	opcodes/
	* nios2-opc.c (nios2_builtin_opcodes): Add entry for wrprs.

	gas/
	* config/tc-nios2.c (nios2_assemble_args_ds): New function.
	(nios2_arg_info_structs): Add "d,s" and "d,s,E" entries.

	gas/testsuite/
	* gas/nios2/nios2.exp: Run wrprs.
	* gas/nios2/wrprs.d: New file.
	* gas/nios2/wrprs.s: Likewise.
2013-03-12  Sebastian Huber <sebastian.huber@embedded-brains.de>

	include/
	* opcode/nios2.h: Edit comment.

	gas/
	* config/tc-nios2.c (nios2_consume_arg): Delete 'k' case.  Add 'o'
	case.  Add default BAD_CASE to switch.

	gas/testsuite/
	* gas/nios2/break.d: Check instruction values.
Revert "Do not store settings in registry."

This reverts commit f405b4bd4f95026adb0069211c1d9c7d40b61772.
Revert terminal name to "cygwin"
Merge branch 'cygwin' into msys2-1.0-dev