gas/

2004-11-25 Jan Beulich <jbeulich@novell.com>

	* config/tc-i386.c (optimize_imm): Adjust immediates to only those
	permissible for the selected instruction suffix.
	(process_suffix): For DefaultSize instructions, suppressing the
	guessing of a 'q' suffix if the instruction doesn't support it is
	pointless, because only an 'l' suffix can be guessed in this place.

gas/testsuite/
2004-11-25 Jan Beulich <jbeulich@novell.com>
	* gas/i386/x86-64-inval.[sl]: Remove sahf/lahf.

include/opcode/
2004-11-25 Jan Beulich <jbeulich@novell.com>

	* i386.h: CpuNo64 mov can't reasonably have a 'q' suffix. Moves
	to/from test registers are illegal in 64-bit mode. Add missing
	NoRex64 to sidt. fxsave/fxrstor now allow for a 'q' suffix
	(previously one had to explicitly encode a rex64 prefix). Re-enable
	lahf/sahf in 64-bit mode as at least some Athlon64/Opteron steppings
	support it there. Add cmpxchg16b as per Intel's 64-bit documentation.