commit 7f4d5bd8c03935e2c0cd412e561b8fc5a6a880ae
author Ben Murdoch <benm@google.com> Tue Jun 15 11:15:29 2010 +0100
committer Ben Murdoch <benm@google.com> Tue Jun 15 11:22:44 2010 +0100
tree 59a0ccf5c23a6f5890b81f4a6aa99b568c8115f2
parent f7060e27768c550ace7ec48ad8c093466db52dfa

Update V8 to r4851 as required by WebKit r61121

Change-Id: Ib01b7c8e38d5b82b254192fc06365aa5b85780c5

src/ia32/disasm-ia32.cc

diff --git a/src/ia32/disasm-ia32.cc b/src/ia32/disasm-ia32.cc
index 58c22af..dc4c27e 100644
--- a/src/ia32/disasm-ia32.cc
+++ b/src/ia32/disasm-ia32.cc
@@ -817,6 +817,7 @@
 // Returns NULL if the instruction is not handled here.
 static const char* F0Mnem(byte f0byte) {
   switch (f0byte) {
+    case 0x18: return "prefetch";
     case 0xA2: return "cpuid";
     case 0x31: return "rdtsc";
     case 0xBE: return "movsx_b";
@@ -923,14 +924,18 @@
         break;
 
       case 0xF6:
-        { int mod, regop, rm;
-          get_modrm(*(data+1), &mod, &regop, &rm);
-          if (mod == 3 && regop == eax) {
-            AppendToBuffer("test_b %s,%d", NameOfCPURegister(rm), *(data+2));
+        { data++;
+          int mod, regop, rm;
+          get_modrm(*data, &mod, &regop, &rm);
+          if (regop == eax) {
+            AppendToBuffer("test_b ");
+            data += PrintRightOperand(data);
+            int32_t imm = *data;
+            AppendToBuffer(",0x%x", imm);
+            data++;
           } else {
             UnimplementedInstruction();
           }
-          data += 3;
         }
         break;
 
@@ -942,7 +947,13 @@
       case 0x0F:
         { byte f0byte = *(data+1);
           const char* f0mnem = F0Mnem(f0byte);
-          if (f0byte == 0xA2 || f0byte == 0x31) {
+          if (f0byte == 0x18) {
+            int mod, regop, rm;
+            get_modrm(*data, &mod, &regop, &rm);
+            const char* suffix[] = {"nta", "1", "2", "3"};
+            AppendToBuffer("%s%s ", f0mnem, suffix[regop & 0x03]);
+            data += PrintRightOperand(data);
+          } else if (f0byte == 0xA2 || f0byte == 0x31) {
             AppendToBuffer("%s", f0mnem);
             data += 2;
           } else if ((f0byte & 0xF0) == 0x80) {
@@ -1070,6 +1081,13 @@
                              NameOfXMMRegister(regop),
                              NameOfXMMRegister(rm));
               data++;
+            } else if (*data == 0x2A) {
+              // movntdqa
+              data++;
+              int mod, regop, rm;
+              get_modrm(*data, &mod, &regop, &rm);
+              AppendToBuffer("movntdqa %s,", NameOfXMMRegister(regop));
+              data += PrintRightOperand(data);
             } else {
               UnimplementedInstruction();
             }
@@ -1122,6 +1140,13 @@
             get_modrm(*data, &mod, &regop, &rm);
             data += PrintRightOperand(data);
             AppendToBuffer(",%s", NameOfXMMRegister(regop));
+          } else if (*data == 0xE7) {
+            AppendToBuffer("movntdq ");
+            data++;
+            int mod, regop, rm;
+            get_modrm(*data, &mod, &regop, &rm);
+            data += PrintRightOperand(data);
+            AppendToBuffer(",%s", NameOfXMMRegister(regop));
           } else if (*data == 0xEF) {
              data++;
              int mod, regop, rm;