Check destination operand for lockable instructions.

Check destination operand for lockable instructions.

gas/

2009-11-13  H.J. Lu  <hongjiu.lu@intel.com>

	* config/tc-i386.c (md_assemble): Check destination operand
	for lockable instructions.

gas/testsuite/

2009-11-13  H.J. Lu  <hongjiu.lu@intel.com>

	* gas/i386/lock-1-intel.d: Updated.
	* gas/i386/lock-1.d: Likewise.
	* gas/i386/lock-1.s: Likewise.
	* gas/i386/lockbad-1.l: Likewise.
	* gas/i386/lockbad-1.s: Likewise.
	* gas/i386/x86-64-lock-1-intel.d: Likewise.
	* gas/i386/x86-64-lock-1.d: Likewise.
	* gas/i386/x86-64-lock-1.s: Likewise.
	* gas/i386/x86-64-lockbad-1.l: Likewise.
	* gas/i386/x86-64-lockbad-1.s: Likewise.