Support Intel MPX

gas/

2013-07-24  Anna Tikhonova  <anna.tikhonova@intel.com>
	    Kirill Yukhin  <kirill.yukhin@intel.com>
	    Michael Zolotukhin  <michael.v.zolotukhin@intel.com>

	* config/tc-i386.c (BND_PREFIX): New.
	(struct _i386_insn): Add new field bnd_prefix.
	(add_bnd_prefix): New.
	(cpu_arch): Add MPX.
	(i386_operand_type): Add regbnd.
	(md_assemble): Handle BND prefixes.
	(parse_insn): Likewise.
	(output_branch): Likewise.
	(output_jump): Likewise.
	(build_modrm_byte): Handle regbnd.
	(OPTION_MADD_BND_PREFIX): New.
	(md_longopts): Add entry for 'madd-bnd-prefix'.
	(md_parse_option): Handle madd-bnd-prefix option.
	(md_show_usage): Add description for madd-bnd-prefix
	option.
	* doc/c-i386.texi: Document mpx/.mpx and -madd-bnd-prefix.

gas/testsuite/

2013-07-24  Anna Tikhonova  <anna.tikhonova@intel.com>
	    Kirill Yukhin  <kirill.yukhin@intel.com>
	    Michael Zolotukhin  <michael.v.zolotukhin@intel.com>

	* gas/i386/mpx-add-bnd-prefix.s: New.
	* gas/i386/mpx-add-bnd-prefix.d: New.
	* gas/i386/mpx-inval-1.l: New.
	* gas/i386/mpx-inval-1.s: New.
	* gas/i386/mpx.d: New.
	* gas/i386/mpx.s: New.
	* gas/i386/x86-64-mpx-add-bnd-prefix.d: New.
	* gas/i386/x86-64-mpx-add-bnd-prefix.s: New.
	* gas/i386/x86-64-mpx-addr32.d: New.
	* gas/i386/x86-64-mpx-addr32.s: New.
	* gas/i386/x86-64-mpx-inval-1.l: New.
	* gas/i386/x86-64-mpx-inval-1.s: New.
	* gas/i386/x86-64-mpx-inval-2.l: New.
	* gas/i386/x86-64-mpx-inval-2.s: New.
	* gas/i386/x86-64-mpx.d: New.
	* gas/i386/x86-64-mpx.s: New.
	* gas/i386/nops.d: Adjust to MPX changes.
	* gas/i386/nops.s: Likewise.
	* gas/i386/x86-64-nops.d: Likewise.
	* gas/i386/x86-64-nops.s: Likewise.
	* gas/i386/ilp32/x86-64-nops.d: Likewise.
	* gas/i386/i386.exp: Run new MPX tests.

include/opcode/

2013-07-24  Anna Tikhonova  <anna.tikhonova@intel.com>
	    Kirill Yukhin  <kirill.yukhin@intel.com>
	    Michael Zolotukhin  <michael.v.zolotukhin@intel.com>

	* i386.h (BND_PREFIX_OPCODE): New.

opcodes/

2013-07-24  Anna Tikhonova  <anna.tikhonova@intel.com>
	    Kirill Yukhin  <kirill.yukhin@intel.com>
	    Michael Zolotukhin  <michael.v.zolotukhin@intel.com>

	* i386-dis.c (BND_Fixup): New.
	(Ebnd): New.
	(Ev_bnd): New.
	(Gbnd): New.
	(BND): New.
	(v_bnd_mode): New.
	(bnd_mode): New.
	(MOD enum): Add new entries.
	(PREFIX enum): Likewise.
	(dis tables): Replace XX with BND for near branch and call
	instructions.
	(prefix_table): Add new entries.
	(mod_table): Likewise.
	(names_bnd): New.
	(intel_names_bnd): New.
	(att_names_bnd): New.
	(BND_PREFIX): New.
	(prefix_name): Handle BND_PREFIX.
	(print_insn): Initialize names_bnd.
	(intel_operand_size): Handle new modes.
	(OP_E_register): Likewise.
	(OP_E_memory): Likewise.
	(OP_G): Likewise.
	* i386-gen.c (cpu_flag_init): Add CpuMPX.
	(cpu_flags): Add CpuMPX.
	(operand_type_init): Add RegBND.
	(opcode_modifiers): Add BNDPrefixOk.
	(operand_types): Add RegBND.
	* i386-init.h: Regenerate.
	* i386-opc.h (CpuMPX): New.
	(CpuUnused): Comment out.
	(i386_cpu_flags): Add cpumpx.
	(BNDPrefixOk): New.
	(i386_opcode_modifier): Add bndprefixok.
	(RegBND): New.
	(i386_operand_type): Add regbnd.
	* i386-opc.tbl: Add BNDPrefixOk to near jumps, calls and rets.
	Add MPX instructions and bnd prefix.
	* i386-reg.tbl: Add bnd0-bnd3 registers.
	* i386-tbl.h: Regenerate.

include/opcode/ChangeLog

@@ -1,3 +1,9 @@
+2013-07-24  Anna Tikhonova  <anna.tikhonova@intel.com>
+	    Kirill Yukhin  <kirill.yukhin@intel.com>
+	    Michael Zolotukhin  <michael.v.zolotukhin@intel.com>
+
+	* i386.h (BND_PREFIX_OPCODE): New.
+
 2013-07-14  Richard Sandiford  <rdsandiford@googlemail.com>
 
 	* mips.h (mips_operand_type): Add OP_ENTRY_EXIT_LIST and

include/opcode/i386.h

@@ -78,6 +78,7 @@
 #define REPE_PREFIX_OPCODE  0xf3
 #define XACQUIRE_PREFIX_OPCODE 0xf2
 #define XRELEASE_PREFIX_OPCODE 0xf3
+#define BND_PREFIX_OPCODE 0xf2
 
 #define TWO_BYTE_OPCODE_ESCAPE 0x0f
 #define NOP_OPCODE (char) 0x90