commit ce5e87bd905d592a8bd612b3dedf7a994177c13a
author ager@chromium.org <ager@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00> Wed Mar 10 10:24:18 2010 +0000
committer ager@chromium.org <ager@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00> Wed Mar 10 10:24:18 2010 +0000
tree 3692e53eda2a29982e17f3f534eb2c155a742dd6
parent 2ab99526496cda7ff426115c76a1c475a1b4f4a5

Push version 2.1.3 to trunk.

Added API method for context-disposal notifications.

Added API method for accessing elements by integer index.

Added missing implementation of Uint32::Value and Value::IsUint32 API methods.

Added IsExecutionTerminating API method.

Disabled strict aliasing for GCC 4.4.

Fixed string-concatenation bug (issue 636).

Performance improvements on all platforms.



git-svn-id: http://v8.googlecode.com/svn/trunk@4079 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/ia32/disasm-ia32.cc

diff --git a/src/ia32/disasm-ia32.cc b/src/ia32/disasm-ia32.cc
index a3b7016..0d85b10 100644
--- a/src/ia32/disasm-ia32.cc
+++ b/src/ia32/disasm-ia32.cc
@@ -89,6 +89,7 @@
   {0x9E, "sahf", UNSET_OP_ORDER},
   {0x99, "cdq", UNSET_OP_ORDER},
   {0x9B, "fwait", UNSET_OP_ORDER},
+  {0xFC, "cld", UNSET_OP_ORDER},
   {-1, "", UNSET_OP_ORDER}
 };
 
@@ -679,6 +680,7 @@
 
     case 0xDD: switch (regop) {
         case 0: mnem = "fld_d"; break;
+        case 2: mnem = "fstp"; break;
         case 3: mnem = "fstp_d"; break;
         default: UnimplementedInstruction();
       }
@@ -720,6 +722,7 @@
             case 0xE1: mnem = "fabs"; break;
             case 0xE4: mnem = "ftst"; break;
             case 0xE8: mnem = "fld1"; break;
+            case 0xEB: mnem = "fldpi"; break;
             case 0xEE: mnem = "fldz"; break;
             case 0xF5: mnem = "fprem1"; break;
             case 0xF7: mnem = "fincstp"; break;
@@ -1053,7 +1056,20 @@
           AppendToBuffer(",%s", NameOfCPURegister(regop));
         } else if (*data == 0x0F) {
           data++;
-          if (*data == 0x2F) {
+          if (*data == 0x38) {
+            data++;
+            if (*data == 0x17) {
+              data++;
+              int mod, regop, rm;
+              get_modrm(*data, &mod, &regop, &rm);
+              AppendToBuffer("ptest %s,%s",
+                             NameOfXMMRegister(regop),
+                             NameOfXMMRegister(rm));
+              data++;
+            } else {
+              UnimplementedInstruction();
+            }
+          } else if (*data == 0x2F) {
             data++;
             int mod, regop, rm;
             get_modrm(*data, &mod, &regop, &rm);
@@ -1069,6 +1085,12 @@
                            NameOfXMMRegister(regop),
                            NameOfXMMRegister(rm));
             data++;
+          } else if (*data == 0x6E) {
+            data++;
+            int mod, regop, rm;
+            get_modrm(*data, &mod, &regop, &rm);
+            AppendToBuffer("movd %s,", NameOfXMMRegister(regop));
+            data += PrintRightOperand(data);
           } else if (*data == 0x6F) {
             data++;
             int mod, regop, rm;
@@ -1082,6 +1104,14 @@
             get_modrm(*data, &mod, &regop, &rm);
             data += PrintRightOperand(data);
             AppendToBuffer(",%s", NameOfXMMRegister(regop));
+          } else if (*data == 0xEF) {
+             data++;
+             int mod, regop, rm;
+             get_modrm(*data, &mod, &regop, &rm);
+             AppendToBuffer("pxor %s,%s",
+                            NameOfXMMRegister(regop),
+                            NameOfXMMRegister(rm));
+             data++;
           } else {
             UnimplementedInstruction();
           }
@@ -1168,6 +1198,7 @@
             const char* mnem = "?";
             switch (b2) {
               case 0x2A: mnem = "cvtsi2sd"; break;
+              case 0x51: mnem = "sqrtsd"; break;
               case 0x58: mnem = "addsd"; break;
               case 0x59: mnem = "mulsd"; break;
               case 0x5C: mnem = "subsd"; break;
@@ -1197,6 +1228,14 @@
           if (*(data+2) == 0x2C) {
             data += 3;
             data += PrintOperands("cvttss2si", REG_OPER_OP_ORDER, data);
+          } else  if (*(data+2) == 0x5A) {
+            data += 3;
+            int mod, regop, rm;
+            get_modrm(*data, &mod, &regop, &rm);
+            AppendToBuffer("cvtss2sd %s,%s",
+                           NameOfXMMRegister(regop),
+                           NameOfXMMRegister(rm));
+            data++;
           } else  if (*(data+2) == 0x6F) {
             data += 3;
             int mod, regop, rm;
@@ -1216,6 +1255,9 @@
         } else if (*(data+1) == 0xA5) {
           data += 2;
           AppendToBuffer("rep_movs");
+        } else if (*(data+1) == 0xAB) {
+          data += 2;
+          AppendToBuffer("rep_stos");
         } else {
           UnimplementedInstruction();
         }