ARM: Special code for raising to the power of an integer...

src/arm/simulator-arm.cc

 // Copyright 2010 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 2258 matching lines @@
   ASSERT((instr->TypeField() == 7) && (instr->Bit(24) == 0x0) );
   ASSERT(instr->Bits(11, 9) == 0x5);
 
   int vm = instr->VmField();
   int vd = instr->VdField();
   int vn = instr->VnField();
 
   if (instr->Bit(4) == 0) {
     if (instr->Opc1Field() == 0x7) {
       // Other data processing instructions
-      if ((instr->Opc2Field() == 0x7) && (instr->Opc3Field() == 0x3)) {
+      if ((instr->Opc2Field() == 0x0) && (instr->Opc3Field() == 0x1)) {
+        // vmov register to register.
+        if (instr->SzField() == 0x1) {
+          set_d_register_from_double(vd, get_double_from_d_register(vm));
+        } else {
+          UNREACHABLE();  // Not used by V8.
+        }
+      } else if ((instr->Opc2Field() == 0x7) && (instr->Opc3Field() == 0x3)) {
         DecodeVCVTBetweenDoubleAndSingle(instr);
       } else if ((instr->Opc2Field() == 0x8) && (instr->Opc3Field() & 0x1)) {
         DecodeVCVTBetweenFloatingPointAndInteger(instr);
       } else if (((instr->Opc2Field() >> 1) == 0x6) &&
                  (instr->Opc3Field() & 0x1)) {
         DecodeVCVTBetweenFloatingPointAndInteger(instr);
       } else if (((instr->Opc2Field() == 0x4) || (instr->Opc2Field() == 0x5)) &&
                  (instr->Opc3Field() & 0x1)) {
         DecodeVCMP(instr);
       } else if (((instr->Opc2Field() == 0x1)) && (instr->Opc3Field() == 0x3)) {
@@ skipping 479 matching lines @@
   uintptr_t address = *stack_slot;
   set_register(sp, current_sp + sizeof(uintptr_t));
   return address;
 }
 
 } }  // namespace assembler::arm
 
 #endif  // __arm__
 
 #endif  // V8_TARGET_ARCH_ARM