X86: Fix the expected size of the immediate offset in MOV_MI.

[gem5.git] / src / arch / x86 / predecoder_tables.cc

diff --git a/src/arch/x86/predecoder_tables.cc b/src/arch/x86/predecoder_tables.cc
index 0cebef61a23068ee4b94f57171dbf82926fa2e35..e8c838dfb49d30d04e4aab2dee779ea64a1009b1 100644 (file)
--- a/src/arch/x86/predecoder_tables.cc
+++ b/src/arch/x86/predecoder_tables.cc
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2007 The Hewlett-Packard Development Company
+ * Copyright (c) 2007-2008 The Hewlett-Packard Development Company
  * All rights reserved.
  *
  * Redistribution and use of this software in source and binary forms,
@@ -72,7 +72,7 @@ namespace X86ISA
     const uint8_t LO = Lock;
     const uint8_t RE = Rep;
     const uint8_t RN = Repne;
-    const uint8_t RX = Rex;
+    const uint8_t RX = RexPrefix;
 
     //This table identifies whether a byte is a prefix, and if it is,
     //which prefix it is.
@@ -123,7 +123,7 @@ namespace X86ISA
         {    //LSB
 //     MSB   0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | A | B | C | D | E | F
 /*      0 */ 1 , 1 , 1 , 1 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 1 , 0 , 1,
-/*      1 */ 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
+/*      1 */ 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1,
 /*      2 */ 1 , 1 , 1 , 1 , 1 , 0 , 1 , 0 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1,
 /*      3 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
 /*      4 */ 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1,
@@ -141,7 +141,7 @@ namespace X86ISA
         }
     };
 
-    enum ImmediateTypes {
+    enum SizeType {
         NoImm,
         NI = NoImm,
         ByteImm,
@@ -158,19 +158,19 @@ namespace X86ISA
         VW = VWordImm,
         ZWordImm,
         ZW = ZWordImm,
-        Pointer,
-        PO = Pointer,
         //The enter instruction takes -2- immediates for a total of 3 bytes
         Enter,
-        EN = Enter
+        EN = Enter,
+        Pointer,
+        PO = Pointer
     };
 
-    const uint8_t Predecoder::ImmediateTypeToSize[3][10] =
+    const uint8_t Predecoder::SizeTypeToSize[3][10] =
     {
-//       noimm byte word dword qword oword vword zword enter
-        {0,    1,   2,   4,    8,    16,   2,    2,    3,    4}, //16 bit
-        {0,    1,   2,   4,    8,    16,   4,    4,    3,    6}, //32 bit
-        {0,    1,   2,   4,    8,    16,   4,    8,    3,    0}  //64 bit
+//       noimm byte word dword qword oword vword zword enter pointer
+        {0,    1,   2,   4,    8,    16,   2,    2,    3,    4      }, //16 bit
+        {0,    1,   2,   4,    8,    16,   4,    4,    3,    6      }, //32 bit
+        {0,    1,   2,   4,    8,    16,   8,    4,    3,    0      }  //64 bit
     };
 
     //This table determines the immediate type. The first index is the
@@ -191,7 +191,7 @@ namespace X86ISA
 /*      7 */ BY, BY, BY, BY, BY, BY, BY, BY, BY, BY, BY, BY, BY, BY, BY, BY,
 /*      8 */ BY, ZW, BY, BY, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
 /*      9 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
-/*      A */ BY, VW, BY, VW, 0 , 0 , 0 , 0 , BY, ZW, 0 , 0 , 0 , 0 , 0 , 0 ,
+/*      A */ VW, VW, VW, VW, 0 , 0 , 0 , 0 , BY, ZW, 0 , 0 , 0 , 0 , 0 , 0 ,
 /*      B */ BY, BY, BY, BY, BY, BY, BY, BY, VW, VW, VW, VW, VW, VW, VW, VW,
 /*      C */ BY, BY, WO, 0 , 0 , 0 , BY, ZW, EN, 0 , WO, 0 , 0 , BY, 0 , 0 ,
 /*      D */ 0 , 0 , 0 , 0 , BY, BY, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
@@ -201,14 +201,14 @@ namespace X86ISA
     //For two byte instructions
         {    //LSB
 //     MSB   0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | A | B | C | D | E | F
-/*      0 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
+/*      0 */ 0 , 0 , 0 , 0 , WO, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , BY ,
 /*      0 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
 /*      2 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
 /*      3 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
 /*      4 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
 /*      5 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
 /*      6 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
-/*      7 */ BY, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
+/*      7 */ BY, BY, BY, BY, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
 /*      8 */ ZW, ZW, ZW, ZW, ZW, ZW, ZW, ZW, ZW, ZW, ZW, ZW, ZW, ZW, ZW, ZW,
 /*      9 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
 /*      A */ 0 , 0 , 0 , 0 , BY, 0 , 0 , 0 , 0 , 0 , 0 , 0 , BY, 0 , 0 , 0 ,