gas/

2006-02-27  H.J. Lu <hongjiu.lu@intel.com>

	* gas/config/tc-i386.c (output_insn): Support Intel Merom New
	Instructions.

	* gas/config/tc-i386.h (CpuMNI): New.
	(CpuUnknownFlags): Add CpuMNI.

gas/testsuite/

2006-02-27  H.J. Lu <hongjiu.lu@intel.com>

	* gas/i386/i386.exp: Add merom and x86-64-merom.

	* gas/i386/merom.d: New file.
	* gas/i386/merom.s: Likewise.
	* gas/i386/x86-64-merom.d: Likewise.
	* gas/i386/x86-64-merom.s: Likewise.

include/opcode/

2006-02-27  H.J. Lu <hongjiu.lu@intel.com>

	* i386.h (i386_optab): Support Intel Merom New Instructions.

opcodes/

2006-02-27  H.J. Lu <hongjiu.lu@intel.com>

	* i386-dis.c (IS_3BYTE_OPCODE): New for 3-byte opcodes used by
	Intel Merom New Instructions.
	(THREE_BYTE_0): Likewise.
	(THREE_BYTE_1): Likewise.
	(three_byte_table): Likewise.
	(dis386_twobyte): Use THREE_BYTE_0 for entry 0x38. Use
	THREE_BYTE_1 for entry 0x3a.
	(twobyte_has_modrm): Updated.
	(twobyte_uses_SSE_prefix): Likewise.
	(print_insn): Handle 3-byte opcodes used by Intel Merom New
	Instructions.

2 files changed, 104 insertions, 5 deletions

diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index d97df75..a457dd4 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,17 @@
+2006-02-27  H.J. Lu <hongjiu.lu@intel.com>
+
+	* i386-dis.c (IS_3BYTE_OPCODE): New for 3-byte opcodes used by
+	Intel Merom New Instructions.
+	(THREE_BYTE_0): Likewise.
+	(THREE_BYTE_1): Likewise.
+	(three_byte_table): Likewise.
+	(dis386_twobyte): Use THREE_BYTE_0 for entry 0x38. Use
+	THREE_BYTE_1 for entry 0x3a.
+	(twobyte_has_modrm): Updated.
+	(twobyte_uses_SSE_prefix): Likewise.
+	(print_insn): Handle 3-byte opcodes used by Intel Merom New
+	Instructions.
+
 2006-02-24  David S. Miller  <davem@sunset.davemloft.net>
 
 	* sparc-dis.c (v9_priv_reg_names): Add "gl" entry.
diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c
index 4fb487d..06a842e 100644
--- a/opcodes/i386-dis.c
+++ b/opcodes/i386-dis.c
@@ -388,6 +388,7 @@ fetch_data (struct disassemble_info *info, bfd_byte *addr)
 #define USE_GROUPS 2
 #define USE_PREFIX_USER_TABLE 3
 #define X86_64_SPECIAL 4
+#define IS_3BYTE_OPCODE 5
 
 #define FLOAT	  NULL, NULL, FLOATCODE, NULL, 0, NULL, 0
 
@@ -453,6 +454,9 @@ fetch_data (struct disassemble_info *info, bfd_byte *addr)
 
 #define X86_64_0  NULL, NULL, X86_64_SPECIAL, NULL,  0, NULL, 0
 
+#define THREE_BYTE_0 NULL, NULL, IS_3BYTE_OPCODE, NULL, 0, NULL, 0
+#define THREE_BYTE_1 NULL, NULL, IS_3BYTE_OPCODE, NULL, 1, NULL, 0
+
 typedef void (*op_rtn) (int bytemode, int sizeflag);
 
 struct dis386 {
@@ -858,9 +862,9 @@ static const struct dis386 dis386_twobyte[] = {
   { "(bad)",		XX, XX, XX },
   { "(bad)",		XX, XX, XX },
   /* 38 */
+  { THREE_BYTE_0 },
   { "(bad)",		XX, XX, XX },
-  { "(bad)",		XX, XX, XX },
-  { "(bad)",		XX, XX, XX },
+  { THREE_BYTE_1 },
   { "(bad)",		XX, XX, XX },
   { "(bad)",		XX, XX, XX },
   { "(bad)",		XX, XX, XX },
@@ -1113,7 +1117,7 @@ static const unsigned char twobyte_has_modrm[256] = {
   /* 00 */ 1,1,1,1,0,0,0,0,0,0,0,0,0,1,0,1, /* 0f */
   /* 10 */ 1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0, /* 1f */
   /* 20 */ 1,1,1,1,1,0,1,0,1,1,1,1,1,1,1,1, /* 2f */
-  /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */
+  /* 30 */ 0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0, /* 3f */
   /* 40 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 4f */
   /* 50 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 5f */
   /* 60 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 6f */
@@ -1136,7 +1140,7 @@ static const unsigned char twobyte_uses_SSE_prefix[256] = {
   /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */
   /* 10 */ 1,1,1,0,0,0,1,0,0,0,0,0,0,0,0,0, /* 1f */
   /* 20 */ 0,0,0,0,0,0,0,0,0,0,1,0,1,1,0,0, /* 2f */
-  /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */
+  /* 30 */ 0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0, /* 3f */
   /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */
   /* 50 */ 0,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* 5f */
   /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1, /* 6f */
@@ -1749,6 +1753,79 @@ static const struct dis386 x86_64_table[][2] = {
   },
 };
 
+static const struct dis386 three_byte_table[][32] = {
+  /* THREE_BYTE_0 */
+  {
+    { "pshufb",		MX, EM, XX },
+    { "phaddw",		MX, EM, XX },
+    { "phaddd",		MX, EM, XX },
+    { "phaddsw",	MX, EM, XX },
+    { "pmaddubsw",	MX, EM, XX },
+    { "phsubw",		MX, EM, XX },
+    { "phsubd",		MX, EM, XX },
+    { "phsubsw",	MX, EM, XX },
+    { "psignb",		MX, EM, XX },
+    { "psignw",		MX, EM, XX },
+    { "psignd",		MX, EM, XX },
+    { "pmulhrsw",	MX, EM, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "pabsb",		MX, EM, XX },
+    { "pabsw",		MX, EM, XX },
+    { "pabsd",		MX, EM, XX },
+    { "(bad)",		XX, XX, XX }
+  },
+  /* THREE_BYTE_1 */
+  {
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "palignr",	MX, EM, Ib },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX },
+    { "(bad)",		XX, XX, XX }
+  },
+};
+
 #define INTERNAL_DISASSEMBLER_ERROR _("<internal disassembler error>")
 
 static void
@@ -2206,7 +2283,15 @@ print_insn (bfd_vma pc, disassemble_info *info)
 	}
     }
 
-  if (need_modrm)
+  if (dp->name == NULL && dp->bytemode1 == IS_3BYTE_OPCODE)
+    {
+      FETCH_DATA (info, codep + 2);
+      dp = &three_byte_table[dp->bytemode2][*codep++];
+      mod = (*codep >> 6) & 3;
+      reg = (*codep >> 3) & 7;
+      rm = *codep & 7;
+    }
+  else if (need_modrm)
     {
       FETCH_DATA (info, codep + 1);
       mod = (*codep >> 6) & 3;