some z8k improvements

[Christian Groessler]

Hi,

the z8k assembler is now case insensitive when parsing register names
and ctrl register names. I've also added tests for the control
register opcodes.

regards,
chris


gas/ChangeLog:

2003-12-06  Christian Groessler  <chris@groessler.org>

	* config/tc-z8k.c (parse_reg): Be case insensitive when checking
	register names.
	(get_ctrl_operand): Be case insensitive when checking ctrl names.


gas/testsuite/ChangeLog:

2003-12-06  Christian Groessler  <chris@groessler.org>

	* gas/z8k/ctrl-names.d: New file.
	* gas/z8k/ctrl-names.s: New file.
	* gas/z8k/z8k.exp: Run new tests.