Merged r13260, r13266, r13268, r13270, r13274 into 3.15 branch.

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 1226 matching lines @@
     byte_size_operand_ = idesc.byte_size_operation;
     current += PrintOperands(idesc.mnem, idesc.op_order_, current);
 
   } else if (opcode == 0x57) {
     // xorps xmm, xmm/m128
     int mod, regop, rm;
     get_modrm(*current, &mod, &regop, &rm);
     AppendToBuffer("xorps %s, ", NameOfXMMRegister(regop));
     current += PrintRightXMMOperand(current);
 
+  } else if (opcode == 0x50) {
+    // movmskps reg, xmm
+    int mod, regop, rm;
+    get_modrm(*current, &mod, &regop, &rm);
+    AppendToBuffer("movmskps %s, ", NameOfCPURegister(regop));
+    current += PrintRightXMMOperand(current);
+
   } else if ((opcode & 0xF0) == 0x80) {
     // Jcc: Conditional jump (branch).
     current = data + JumpConditional(data);
 
   } else if (opcode == 0xBE || opcode == 0xBF || opcode == 0xB6 ||
              opcode == 0xB7 || opcode == 0xAF) {
     // Size-extending moves, IMUL.
     current += PrintOperands(mnemonic, REG_OPER_OP_ORDER, current);
 
   } else if ((opcode & 0xF0) == 0x90) {
@@ skipping 460 matching lines @@
       case 0xEB:
         data += JumpShort(data);
         break;
 
       case 0xF6:
         byte_size_operand_ = true;  // fall through
       case 0xF7:
         data += F6F7Instruction(data);
         break;
 
+      case 0x3C:
+        AppendToBuffer("cmp al, 0x%x", *reinterpret_cast<int8_t*>(data + 1));
+        data +=2;
+        break;
+
       default:
         UnimplementedInstruction();
         data += 1;
     }
   }  // !processed
 
   if (tmp_buffer_pos_ < sizeof tmp_buffer_) {
     tmp_buffer_[tmp_buffer_pos_] = '\0';
   }
 
@@ skipping 111 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