Version 2.3.10...

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 709 matching lines @@
     pc_modified_ = true;
   }
   registers_[reg] = value;
 }
 
 
 // Get the register from the architecture state. This function does handle
 // the special case of accessing the PC register.
 int32_t Simulator::get_register(int reg) const {
   ASSERT((reg >= 0) && (reg < num_registers));
+  // Stupid code added to avoid bug in GCC.
+  // See: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43949
+  if (reg >= num_registers) return 0;
+  // End stupid code.
   return registers_[reg] + ((reg == pc) ? Instr::kPCReadOffset : 0);
 }
 
 
 void Simulator::set_dw_register(int dreg, const int* dbl) {
   ASSERT((dreg >= 0) && (dreg < num_d_registers));
   registers_[dreg] = dbl[0];
   registers_[dreg + 1] = dbl[1];
 }
 
@@ skipping 631 matching lines @@
     }
     case 2: {
       // Print("db");
       start_address = rn_val - (num_regs * 4);
       end_address = rn_val - 4;
       rn_val = start_address;
       break;
     }
     case 3: {
       // Print("ib");
-      UNIMPLEMENTED();
+      start_address = rn_val + 4;
+      end_address = rn_val + (num_regs * 4);
+      rn_val = end_address;
       break;
     }
     default: {
       UNREACHABLE();
       break;
     }
   }
   if (instr->HasW()) {
     set_register(rn, rn_val);
   }
@@ skipping 1427 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