Enables more tests for SIMMIPS.

runtime/vm/simulator_mips.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include <math.h>  // for isnan.
 #include <setjmp.h>
 #include <stdlib.h>
 
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_MIPS)
@@ skipping 1390 matching lines @@
       set_lo_register(Utils::Low32Bits(res));
       break;
     }
     case MADDU: {
       ASSERT(instr->RdField() == 0);
       ASSERT(instr->SaField() == 0);
       // Format(instr, "maddu 'rs, 'rt");
       uint32_t lo = get_lo_register();
       uint32_t hi = get_hi_register();
       uint64_t accum = Utils::LowHighTo64Bits(lo, hi);
-      uint64_t rs = static_cast<int64_t>(get_register(instr->RsField()));
-      uint64_t rt = static_cast<int64_t>(get_register(instr->RtField()));
+      uint64_t rs = static_cast<uint64_t>(get_register(instr->RsField()));
+      uint64_t rt = static_cast<uint64_t>(get_register(instr->RtField()));
       uint64_t res = accum + rs * rt;
       set_hi_register(Utils::High32Bits(res));
       set_lo_register(Utils::Low32Bits(res));
       break;
     }
     case CLO: {
       ASSERT(instr->SaField() == 0);
       ASSERT(instr->RtField() == instr->RdField());
       // Format(instr, "clo 'rd, 'rs");
       int32_t rs_val = get_register(instr->RsField());
@@ skipping 232 matching lines @@
             break;
           }
           default: {
             OS::PrintErr("DecodeCop1: 0x%x\n", instr->InstructionBits());
             UnimplementedInstruction(instr);
             break;
           }
         }
         break;
       }
+      case COP1_CVT_S: {
+        switch (instr->FormatField()) {
+          case FMT_D: {
+            double fs_dbl = get_fregister_double(instr->FsField());
+            float fs_flt = static_cast<float>(fs_dbl);
+            set_fregister_float(instr->FdField(), fs_flt);
+            break;
+          }
+          default: {
+            OS::PrintErr("DecodeCop1: 0x%x\n", instr->InstructionBits());
+            UnimplementedInstruction(instr);
+            break;
+          }
+        }
+        break;
+      }
       default: {
         OS::PrintErr("DecodeCop1: 0x%x\n", instr->InstructionBits());
         UnimplementedInstruction(instr);
         break;
       }
     }
   } else {
     // If the rs field isn't a valid format, then it must be a sub-op.
     switch (instr->Cop1SubField()) {
       case COP1_MF: {
@@ skipping 372 matching lines @@
     }
   }
 }
 
 
 int64_t Simulator::Call(int32_t entry,
                         int32_t parameter0,
                         int32_t parameter1,
                         int32_t parameter2,
                         int32_t parameter3,
-                        bool fp_return) {
+                        bool fp_return,
+                        bool fp_args) {
   // Save the SP register before the call so we can restore it.
   int32_t sp_before_call = get_register(SP);
 
   // Setup parameters.
-  set_register(A0, parameter0);
-  set_register(A1, parameter1);
-  set_register(A2, parameter2);
-  set_register(A3, parameter3);
+  if (fp_args) {
+    set_fregister(F0, parameter0);
+    set_fregister(F1, parameter1);
+    set_fregister(F2, parameter2);
+    set_fregister(F3, parameter3);
+  } else {
+    set_register(A0, parameter0);
+    set_register(A1, parameter1);
+    set_register(A2, parameter2);
+    set_register(A3, parameter3);
+  }
 
   // Make sure the activation frames are properly aligned.
   int32_t stack_pointer = sp_before_call;
   static const int kFrameAlignment = OS::ActivationFrameAlignment();
   if (kFrameAlignment > 0) {
     stack_pointer = Utils::RoundDown(stack_pointer, kFrameAlignment);
   }
   set_register(SP, stack_pointer);
 
   // Prepare to execute the code at entry.
@@ skipping 123 matching lines @@
     set_register(kStackTraceObjectReg, bit_cast<int32_t>(raw_stacktrace));
   }
   buf->Longjmp();
 }
 
 }  // namespace dart
 
 #endif  // !defined(HOST_ARCH_MIPS)
 
 #endif  // defined TARGET_ARCH_MIPS