gdb/

2013-07-04  Yao Qi  <yao@codesourcery.com>

	Revert:
	2013-06-27  Yao Qi  <yao@codesourcery.com>

	* common/create-version.sh: Update comments.  Handle the case
	that TARGET_ALIAS is empty.

gdb/gdbserver/

2013-07-04  Yao Qi  <yao@codesourcery.com>

	* Makefile.in (host_alias): Use @host_noncanonical@.
	(target_alias): Use @target_noncanonical@.
	* configure.ac: Use ACX_NONCANONICAL_TARGET and
	ACX_NONCANONICAL_HOST.
	* configure: Regenerated.

	Revert:
	2013-06-28  Mircea Gherzan  <mircea.gherzan@intel.com>

	* configure.ac (version_host, version_target): Set and AC_SUBST them.
	* configure: Rebuild.
	* Makefile.in (version_host, version_target): Get from configure.
	(version.c): Use $(version_host) and $(version_target).
	* ppc-opc.c (powerpc_opcodes): Add tdui, twui, tdu, twu, tui, tu.