1 files changed, 44 insertions, 16 deletions

diff --git a/deps/v8/src/ia32/disasm-ia32.cc b/deps/v8/src/ia32/disasm-ia32.cc
index 789e7ba9fe..36acd1e05d 100644
--- a/deps/v8/src/ia32/disasm-ia32.cc
+++ b/deps/v8/src/ia32/disasm-ia32.cc
@@ -868,6 +868,10 @@ int DisassemblerIA32::AVXInstruction(byte* data) {
                        NameOfXMMRegister(vvvv));
         current += PrintRightXMMOperand(current);
         break;
+      case 0x5b:
+        AppendToBuffer("vcvttps2dq %s,", NameOfXMMRegister(regop));
+        current += PrintRightXMMOperand(current);
+        break;
       case 0x5c:
         AppendToBuffer("vsubss %s,%s,", NameOfXMMRegister(regop),
                        NameOfXMMRegister(vvvv));
@@ -988,6 +992,14 @@ int DisassemblerIA32::AVXInstruction(byte* data) {
     int mod, regop, rm, vvvv = vex_vreg();
     get_modrm(*current, &mod, &regop, &rm);
     switch (opcode) {
+      case 0x52:
+        AppendToBuffer("vrsqrtps %s,", NameOfXMMRegister(regop));
+        current += PrintRightXMMOperand(current);
+        break;
+      case 0x53:
+        AppendToBuffer("vrcpps %s,", NameOfXMMRegister(regop));
+        current += PrintRightXMMOperand(current);
+        break;
       case 0x54:
         AppendToBuffer("vandps %s,%s,", NameOfXMMRegister(regop),
                        NameOfXMMRegister(vvvv));
@@ -1008,6 +1020,10 @@ int DisassemblerIA32::AVXInstruction(byte* data) {
                        NameOfXMMRegister(vvvv));
         current += PrintRightXMMOperand(current);
         break;
+      case 0x5B:
+        AppendToBuffer("vcvtdq2ps %s,", NameOfXMMRegister(regop));
+        current += PrintRightXMMOperand(current);
+        break;
       case 0x5C:
         AppendToBuffer("vsubps %s,%s,", NameOfXMMRegister(regop),
                        NameOfXMMRegister(vvvv));
@@ -1028,6 +1044,16 @@ int DisassemblerIA32::AVXInstruction(byte* data) {
                        NameOfXMMRegister(vvvv));
         current += PrintRightXMMOperand(current);
         break;
+      case 0xC2: {
+        const char* const pseudo_op[] = {"eq",  "lt",  "le",  "unord",
+                                         "neq", "nlt", "nle", "ord"};
+        AppendToBuffer("vcmpps %s,%s,", NameOfXMMRegister(regop),
+                       NameOfXMMRegister(vvvv));
+        current += PrintRightXMMOperand(current);
+        AppendToBuffer(", (%s)", pseudo_op[*current]);
+        current++;
+        break;
+      }
       default:
         UnimplementedInstruction();
     }
@@ -1537,28 +1563,17 @@ int DisassemblerIA32::InstructionDecode(v8::internal::Vector<char> out_buffer,
             get_modrm(*data, &mod, &regop, &rm);
             AppendToBuffer("ucomiss %s,", NameOfXMMRegister(regop));
             data += PrintRightXMMOperand(data);
-          } else if (f0byte >= 0x53 && f0byte <= 0x5F) {
+          } else if (f0byte >= 0x52 && f0byte <= 0x5F) {
             const char* const pseudo_op[] = {
-              "rcpps",
-              "andps",
-              "andnps",
-              "orps",
-              "xorps",
-              "addps",
-              "mulps",
-              "cvtps2pd",
-              "cvtdq2ps",
-              "subps",
-              "minps",
-              "divps",
-              "maxps",
+                "rsqrtps", "rcpps", "andps", "andnps",   "orps",
+                "xorps",   "addps", "mulps", "cvtps2pd", "cvtdq2ps",
+                "subps",   "minps", "divps", "maxps",
             };
 
             data += 2;
             int mod, regop, rm;
             get_modrm(*data, &mod, &regop, &rm);
-            AppendToBuffer("%s %s,",
-                           pseudo_op[f0byte - 0x53],
+            AppendToBuffer("%s %s,", pseudo_op[f0byte - 0x52],
                            NameOfXMMRegister(regop));
             data += PrintRightXMMOperand(data);
           } else if (f0byte == 0x50) {
@@ -1569,6 +1584,16 @@ int DisassemblerIA32::InstructionDecode(v8::internal::Vector<char> out_buffer,
                            NameOfCPURegister(regop),
                            NameOfXMMRegister(rm));
             data++;
+          } else if (f0byte == 0xC2) {
+            data += 2;
+            int mod, regop, rm;
+            get_modrm(*data, &mod, &regop, &rm);
+            const char* const pseudo_op[] = {"eq",  "lt",  "le",  "unord",
+                                             "neq", "nlt", "nle", "ord"};
+            AppendToBuffer("cmpps %s, ", NameOfXMMRegister(regop));
+            data += PrintRightXMMOperand(data);
+            AppendToBuffer(", (%s)", pseudo_op[*data]);
+            data++;
           } else if (f0byte== 0xC6) {
             // shufps xmm, xmm/m128, imm8
             data += 2;
@@ -2246,6 +2271,9 @@ int DisassemblerIA32::InstructionDecode(v8::internal::Vector<char> out_buffer,
               case 0x59:
                 mnem = "mulss";
                 break;
+              case 0x5B:
+                mnem = "cvttps2dq";
+                break;
               case 0x5C:
                 mnem = "subss";
                 break;