[PATCH] Add LWP support for upcoming AMD Orochi processor

[Sebastian Pop]

Hi,

The attached patch adds support for the LWP instructions,
see http://support.amd.com/us/Processor_TechDocs/43724.pdf
that will be part of the upcoming AMD Orochi processor.

2009-11-05  Sebastian Pop  <sebastian.pop@amd.com>
	    Quentin Neill  <quentin.neill@amd.com>

	* gas/config/tc-i386.c (cpu_arch): Add CPU_LWP_FLAGS.
	(build_vex_prefix): Handle xop09 and xop0a.
	(build_modrm_byte): Handle vexlwp.
	(md_show_usage): Add lwp.

	* gas/testsuite/gas/i386/i386.exp: Run x86-64-lwp.
	* gas/testsuite/gas/i386/x86-64-lwp.d: New.
	* gas/testsuite/gas/i386/x86-64-lwp.s: New.

	* opcodes/i386-dis.c (OP_LWPCB_E): New.
	(OP_LWP_E): New.
	(OP_LWP_I): New.
	(USE_XOP_8F_TABLE): New.
	(XOP_8F_TABLE): New.
	(REG_XOP_LWPCB): New.
	(REG_XOP_LWP): New.
	(XOP_09): New.
	(XOP_0A): New.
	(reg_table): Redirect REG_8F to XOP_8F_TABLE.
	Add entries for REG_XOP_LWPCB and REG_XOP_LWP.
	(xop_table): New.
	(get_valid_dis386): Handle USE_XOP_8F_TABLE.
	Use the offsets VEX_0F, VEX_0F38, and VEX_0F3A instead of their values
	to access to the vex_table.
	(OP_LWPCB_E): New.
	(OP_LWP_E): New.
	(OP_LWP_I): New.
	* opcodes/i386-gen.c (cpu_flag_init): Add CPU_LWP_FLAGS, CpuLWP.
	(cpu_flags): Add CpuLWP.
	(opcode_modifiers): Add VexLWP, XOP09, and XOP0A.
	* opcodes/i386-opc.h (CpuLWP): New.
	(i386_cpu_flags): Add bit cpulwp.
	(VexLWP): New.
	(XOP09): New.
	(XOP0A): New.
	(i386_opcode_modifier): Add vexlwp, xop09, and xop0a.
	* opcodes/i386-opc.tbl (llwpcb): Added.
	(lwpval): Added.
	(lwpins): Added.

Tested on x86-64-linux with make -k check and on simnow.
Ok to commit?

Thanks,
Sebastian Pop
--
AMD / Open Source Compiler Engineering / GNU Tools
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