gas/

gas/

2003-03-21  H.J. Lu  <hongjiu.lu@intel.com>

	PR binutils/4218
	* config/tc-i386.c (match_template): Properly handle 64bit mode
	"xchg %eax, %eax".

gas/testsuite/

2003-03-21  H.J. Lu  <hongjiu.lu@intel.com>

	PR binutils/4218
	* gas/i386/nops.s: Add testcases for nop r/m.
	* gas/i386/x86-64-nops.s: Likewise.

	* gas/i386/x86-64-opcode.s: Add testcases for xchg with %ax,
	%eax and %rax.

	* gas/i386/nops.d: Updated.
	* gas/i386/x86-64-nops.d: Likewise.
	* gas/i386/x86-64-opcode.d: Likewise.

opcodes/

2003-03-21  H.J. Lu  <hongjiu.lu@intel.com>

	PR binutils/4218
	* i386-dis.c (PREGRP38): New.
	(dis386): Use PREGRP38 for 0x90.
	(prefix_user_table): Add PREGRP38.
	(print_insn): Set uses_REPZ_prefix to 1 for pause.
	(NOP_Fixup1): Properly handle REX bits.
	(NOP_Fixup2): Likewise.

	* i386-opc.c (i386_optab): Allow %eax with xchg in 64bit.
	Allow register with nop.