Properly handle ".equ symbol, reg + NUM" in x86 Intel syntax.

Properly handle ".equ symbol, reg + NUM" in x86 Intel syntax.

gas/

2010-04-21  H.J. Lu  <hongjiu.lu@intel.com>

	PR gas/11509
	* config/tc-i386-intel.c (i386_intel_simplify_register): New.
	(i386_intel_simplify): Use i386_is_register and
	i386_intel_simplify_register. Set X_md for O_register and
	check X_md for O_constant.
	(i386_intel_operand): Use i386_is_register.

	* config/tc-i386.c (i386_is_register): New.
	(x86_cons): Initialize the X_md field.  Use i386_is_register.
	(parse_register): Use i386_is_register.
	(tc_x86_parse_to_dw2regnum): Likewise.

gas/testsuite/

2010-04-21  H.J. Lu  <hongjiu.lu@intel.com>

	PR gas/11509
	* gas/i386/equ.s: Add tests for ".equ symbol, reg + NUM".
	* gas/i386/equ.d: Updated.