commit 6ded16be15dd865a9b21ea304d5273c8be299c87
author Steve Block <steveblock@google.com> Mon May 10 14:33:55 2010 +0100
committer Steve Block <steveblock@google.com> Mon May 10 15:08:22 2010 +0100
tree b3661ae5d929e233f7024223f3fad0f2a284cd6e
parent 6599b9dd3411791c9d89ab7efbfb4131e5664c48

Update V8 to r4588

We're using WebKit r58033, as used by
http://src.chromium.org/svn/releases/5.0.387.0/DEPS
This requires http://v8.googlecode.com/svn/trunk@4465 but this version has a
crashing bug for ARM. Instead we use http://v8.googlecode.com/svn/trunk@4588,
which is used by http://src.chromium.org/svn/releases/6.0.399.0/DEPS

Note that a trivial bug fix was required in arm/codegen-arm.cc. This is guarded
with ANDROID. See http://code.google.com/p/v8/issues/detail?id=703

Change-Id: I459647a8286c4f8c7405f0c5581ecbf051a6f1e8

src/ia32/disasm-ia32.cc

diff --git a/src/ia32/disasm-ia32.cc b/src/ia32/disasm-ia32.cc
index a085900..8d342e0 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}
 };
 
@@ -1055,12 +1056,39 @@
           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 == 0x2E || *data == 0x2F) {
+            const char* mnem = (*data == 0x2E) ? "ucomisd" : "comisd";
             data++;
             int mod, regop, rm;
             get_modrm(*data, &mod, &regop, &rm);
-            AppendToBuffer("comisd %s,%s",
-                           NameOfXMMRegister(regop),
+            if (mod == 0x3) {
+              AppendToBuffer("%s %s,%s", mnem,
+                             NameOfXMMRegister(regop),
+                             NameOfXMMRegister(rm));
+              data++;
+            } else {
+              AppendToBuffer("%s %s,", mnem, NameOfXMMRegister(regop));
+              data += PrintRightOperand(data);
+            }
+          } else if (*data == 0x50) {
+            data++;
+            int mod, regop, rm;
+            get_modrm(*data, &mod, &regop, &rm);
+            AppendToBuffer("movmskpd %s,%s",
+                           NameOfCPURegister(regop),
                            NameOfXMMRegister(rm));
             data++;
           } else if (*data == 0x57) {
@@ -1071,6 +1099,12 @@
                            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;
@@ -1084,6 +1118,14 @@
             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();
           }
@@ -1170,6 +1212,8 @@
             const char* mnem = "?";
             switch (b2) {
               case 0x2A: mnem = "cvtsi2sd"; break;
+              case 0x2C: mnem = "cvttsd2si"; break;
+              case 0x51: mnem = "sqrtsd"; break;
               case 0x58: mnem = "addsd"; break;
               case 0x59: mnem = "mulsd"; break;
               case 0x5C: mnem = "subsd"; break;
@@ -1179,14 +1223,38 @@
             int mod, regop, rm;
             get_modrm(*data, &mod, &regop, &rm);
             if (b2 == 0x2A) {
-              AppendToBuffer("%s %s,", mnem, NameOfXMMRegister(regop));
-              data += PrintRightOperand(data);
+              if (mod != 0x3) {
+                AppendToBuffer("%s %s,", mnem, NameOfXMMRegister(regop));
+                data += PrintRightOperand(data);
+              } else {
+                AppendToBuffer("%s %s,%s",
+                               mnem,
+                               NameOfXMMRegister(regop),
+                               NameOfCPURegister(rm));
+                data++;
+              }
+            } else if (b2 == 0x2C) {
+              if (mod != 0x3) {
+                AppendToBuffer("%s %s,", mnem, NameOfCPURegister(regop));
+                data += PrintRightOperand(data);
+              } else {
+                AppendToBuffer("%s %s,%s",
+                               mnem,
+                               NameOfCPURegister(regop),
+                               NameOfXMMRegister(rm));
+                data++;
+              }
             } else {
-              AppendToBuffer("%s %s,%s",
-                             mnem,
-                             NameOfXMMRegister(regop),
-                             NameOfXMMRegister(rm));
-              data++;
+              if (mod != 0x3) {
+                AppendToBuffer("%s %s,", mnem, NameOfXMMRegister(regop));
+                data += PrintRightOperand(data);
+              } else {
+                AppendToBuffer("%s %s,%s",
+                               mnem,
+                               NameOfXMMRegister(regop),
+                               NameOfXMMRegister(rm));
+                data++;
+              }
             }
           }
         } else {
@@ -1199,6 +1267,14 @@
           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;
@@ -1218,6 +1294,9 @@
         } else if (*(data+1) == 0xA5) {
           data += 2;
           AppendToBuffer("rep_movs");
+        } else if (*(data+1) == 0xAB) {
+          data += 2;
+          AppendToBuffer("rep_stos");
         } else {
           UnimplementedInstruction();
         }