Experimental parser: merge to r19637

src/x64/disasm-x64.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 916 matching lines @@
             case 0xE8: mnem = "fld1"; break;
             case 0xEB: mnem = "fldpi"; break;
             case 0xED: mnem = "fldln2"; break;
             case 0xEE: mnem = "fldz"; break;
             case 0xF0: mnem = "f2xm1"; break;
             case 0xF1: mnem = "fyl2x"; break;
             case 0xF2: mnem = "fptan"; break;
             case 0xF5: mnem = "fprem1"; break;
             case 0xF7: mnem = "fincstp"; break;
             case 0xF8: mnem = "fprem"; break;
+            case 0xFC: mnem = "frndint"; break;
             case 0xFD: mnem = "fscale"; break;
             case 0xFE: mnem = "fsin"; break;
             case 0xFF: mnem = "fcos"; break;
             default: UnimplementedInstruction();
           }
       }
       break;
 
     case 0xDA:
       if (modrm_byte == 0xE9) {
         mnem = "fucompp";
       } else {
         UnimplementedInstruction();
       }
       break;
 
     case 0xDB:
       if ((modrm_byte & 0xF8) == 0xE8) {
         mnem = "fucomi";
         has_register = true;
       } else if (modrm_byte  == 0xE2) {
         mnem = "fclex";
+      } else if (modrm_byte == 0xE3) {
+        mnem = "fninit";
       } else {
         UnimplementedInstruction();
       }
       break;
 
     case 0xDC:
       has_register = true;
       switch (modrm_byte & 0xF8) {
         case 0xC0: mnem = "fadd"; break;
         case 0xE8: mnem = "fsub"; break;
@@ skipping 347 matching lines @@
     // SHLD, SHRD (double-precision shift), BTS (bit set).
     AppendToBuffer("%s ", mnemonic);
     int mod, regop, rm;
     get_modrm(*current, &mod, &regop, &rm);
     current += PrintRightOperand(current);
     if (opcode == 0xAB) {
       AppendToBuffer(",%s", NameOfCPURegister(regop));
     } else {
       AppendToBuffer(",%s,cl", NameOfCPURegister(regop));
     }
+  } else if (opcode == 0xBD) {
+    AppendToBuffer("%s%c ", mnemonic, operand_size_code());
+    int mod, regop, rm;
+    get_modrm(*current, &mod, &regop, &rm);
+    AppendToBuffer("%s,", NameOfCPURegister(regop));
+    current += PrintRightOperand(current);
   } else {
     UnimplementedInstruction();
   }
   return static_cast<int>(current - data);
 }
 
 
 // Mnemonics for two-byte opcode instructions starting with 0x0F.
 // The argument is the second byte of the two-byte opcode.
 // Returns NULL if the instruction is not handled here.
@@ skipping 22 matching lines @@
     case 0xAB:
       return "bts";
     case 0xAD:
       return "shrd";
     case 0xAF:
       return "imul";
     case 0xB6:
       return "movzxb";
     case 0xB7:
       return "movzxw";
+    case 0xBD:
+      return "bsr";
     case 0xBE:
       return "movsxb";
     case 0xBF:
       return "movsxw";
     default:
       return NULL;
   }
 }
 
 
@@ skipping 63 matching lines @@
       data++;
       break;
     case MOVE_REG_INSTR: {
       byte* addr = NULL;
       switch (operand_size()) {
         case OPERAND_WORD_SIZE:
           addr = reinterpret_cast<byte*>(*reinterpret_cast<int16_t*>(data + 1));
           data += 3;
           break;
         case OPERAND_DOUBLEWORD_SIZE:
-          addr = reinterpret_cast<byte*>(*reinterpret_cast<int32_t*>(data + 1));
+          addr =
+              reinterpret_cast<byte*>(*reinterpret_cast<uint32_t*>(data + 1));
           data += 5;
           break;
         case OPERAND_QUADWORD_SIZE:
           addr = reinterpret_cast<byte*>(*reinterpret_cast<int64_t*>(data + 1));
           data += 9;
           break;
         default:
           UNREACHABLE();
       }
       AppendToBuffer("mov%c %s,%s",
@@ skipping 454 matching lines @@
     for (int i = 6 - static_cast<int>(pc - prev_pc); i >= 0; i--) {
       fprintf(f, "  ");
     }
     fprintf(f, "  %s\n", buffer.start());
   }
 }
 
 }  // namespace disasm
 
 #endif  // V8_TARGET_ARCH_X64