Implement Intel Transactional Synchronization Extensions

gas/

2012-02-08  H.J. Lu  <hongjiu.lu@intel.com>

	* config/tc-i386.c (HLE_PREFIX): New.
	(check_hle): Likewise.
	(_i386_insn): Add have_hle.
	(cpu_arch): Add .hle and .rtm.
	(md_assemble): Call check_hle if i.have_hle isn't zero.
	(parse_insn): Set i.have_hle to 1 for HLE prefix.
	(output_jump): Support up to 2 byte opcode.

	* doc/c-i386.texi: Document hle/.hle and rtm/.rtm.

gas/testsuite/

2012-02-08  H.J. Lu  <hongjiu.lu@intel.com>

	* gas/i386/hle-intel.d: New.
	* gas/i386/hle.d: Likewise.
	* gas/i386/hle.s: Likewise.
	* gas/i386/hlebad.l: Likewise.
	* gas/i386/hlebad.s: Likewise.
	* gas/i386/rtm-intel.d: Likewise.
	* gas/i386/rtm.d: Likewise.
	* gas/i386/rtm.s: Likewise.
	* gas/i386/x86-64-hle-intel.d: Likewise.
	* gas/i386/x86-64-hle.d: Likewise.
	* gas/i386/x86-64-hle.s: Likewise.
	* gas/i386/x86-64-hlebad.l: Likewise.
	* gas/i386/x86-64-hlebad.s: Likewise.
	* gas/i386/x86-64-rtm-intel.d: Likewise.
	* gas/i386/x86-64-rtm.d: Likewise.
	* gas/i386/x86-64-rtm.s: Likewise.

	* gas/i386/i386.exp: Run hle, hle-intel, hlebad x86-64-hle, rtm,
	rtm-intel, x86-64-hle-intel, x86-64-hlebad, x86-64-rtm and
	x86-64-rtm-intel.

include/opcode/

2012-02-08  H.J. Lu  <hongjiu.lu@intel.com>

	* i386.h (XACQUIRE_PREFIX_OPCODE): New.
	(XRELEASE_PREFIX_OPCODE): Likewise.

opcodes/

2012-02-08  H.J. Lu  <hongjiu.lu@intel.com>

	* i386-dis.c (HLE_Fixup1): New.
	(HLE_Fixup2): Likewise.
	(HLE_Fixup3): Likewise.
	(Ebh1): Likewise.
	(Evh1): Likewise.
	(Ebh2): Likewise.
	(Evh2): Likewise.
	(Ebh3): Likewise.
	(Evh3): Likewise.
	(MOD_C6_REG_7): Likewise.
	(MOD_C7_REG_7): Likewise.
	(RM_C6_REG_7): Likewise.
	(RM_C7_REG_7): Likewise.
	(XACQUIRE_PREFIX): Likewise.
	(XRELEASE_PREFIX): Likewise.
	(dis386): Use Ebh1/Evh1 on add, adc, and, btc, btr, bts,
	cmpxchg, dec, inc, neg, not, or, sbb, sub, xor and xadd. Use
	Ebh2/Evh2 on xchg.  Use Ebh3/Evh3 on mov.
	(reg_table): Use Ebh1/Evh1 on add, adc, and, dec, inc, neg,
	not, or, sbb, sub and xor.  Use Ebh3/Evh3 on mov.  Use
	MOD_C6_REG_7 and MOD_C7_REG_7.
	(mod_table): Add MOD_C6_REG_7 and MOD_C7_REG_7.
	(rm_table): Add RM_C6_REG_7 and RM_C7_REG_7.  Add xend and
	xtest.
	(prefix_name): Handle XACQUIRE_PREFIX and XRELEASE_PREFIX.
	(CMPXCHG8B_Fixup): Handle HLE prefix on cmpxchg8b.

	* i386-gen.c (cpu_flag_init): Add CPU_HLE_FLAGS and
	CPU_RTM_FLAGS.
	(cpu_flags): Add CpuHLE and CpuRTM.
	(opcode_modifiers): Add HLEPrefixOk.

	* i386-opc.h (CpuHLE): New.
	(CpuRTM): Likewise.
	(HLEPrefixOk): Likewise.
	(i386_cpu_flags): Add cpuhle and cpurtm.
	(i386_opcode_modifier): Add hleprefixok.

	* i386-opc.tbl: Add HLEPrefixOk=3 to mov.  Add HLEPrefixOk to
	add, adc, and, btc, btr, bts, cmpxchg, dec, inc, neg, not, or,
	sbb, sub, xor and xadd.  Add HLEPrefixOk=2 to xchg with memory
	operand.  Add xacquire, xrelease, xabort, xbegin, xend and
	xtest.
	* i386-init.h: Regenerated.
	* i386-tbl.h: Likewise.

1 files changed, 13 insertions, 0 deletions

diff --git a/opcodes/i386-opc.h b/opcodes/i386-opc.h
index a92223c..245060e 100644
--- a/opcodes/i386-opc.h
+++ b/opcodes/i386-opc.h
@@ -134,6 +134,10 @@ enum
   CpuBMI2,
   /* LZCNT support required */
   CpuLZCNT,
+  /* HLE support required */
+  CpuHLE,
+  /* RTM support required */
+  CpuRTM,
   /* INVPCID Instructions required */
   CpuINVPCID,
   /* VMFUNC Instruction required */
@@ -214,6 +218,8 @@ typedef union i386_cpu_flags
       unsigned int cpuf16c:1;
       unsigned int cpubmi2:1;
       unsigned int cpulzcnt:1;
+      unsigned int cpuhle:1;
+      unsigned int cpurtm:1;
       unsigned int cpuinvpcid:1;
       unsigned int cpuvmfunc:1;
       unsigned int cpulm:1;
@@ -293,6 +299,12 @@ enum
   FirstXmm0,
   /* An implicit xmm0 as the first operand */
   Implicit1stXmm0,
+  /* The HLE prefix is OK:
+     1. With a LOCK prefix.
+     2. With or without a LOCK prefix.
+     3. With a RELEASE (0xf3) prefix.
+   */
+  HLEPrefixOk,
   /* Convert to DWORD */
   ToDword,
   /* Convert to QWORD */
@@ -426,6 +438,7 @@ typedef struct i386_opcode_modifier
   unsigned int regkludge:1;
   unsigned int firstxmm0:1;
   unsigned int implicit1stxmm0:1;
+  unsigned int hleprefixok:2;
   unsigned int todword:1;
   unsigned int toqword:1;
   unsigned int addrprefixop0:1;