Add mips64 port.

test/cctest/test-code-stubs-mips64.cc

Index: test/cctest/test-code-stubs-mips64.cc
diff --git a/test/cctest/test-code-stubs-mips.cc b/test/cctest/test-code-stubs-mips64.cc
similarity index 93%
copy from test/cctest/test-code-stubs-mips.cc
copy to test/cctest/test-code-stubs-mips64.cc
index 796aa1d6107fc1a4ddc1b2ec212ad70b1b8513b8..025a8ba04b5c81cf43cb161764c1f8939ca84a28 100644
--- a/test/cctest/test-code-stubs-mips.cc
+++ b/test/cctest/test-code-stubs-mips64.cc
@@ -33,7 +33,7 @@
 #include "src/code-stubs.h"
 #include "src/factory.h"
 #include "src/macro-assembler.h"
-#include "src/mips/constants-mips.h"
+#include "src/mips64/constants-mips64.h"
 #include "src/simulator.h"
 #include "test/cctest/cctest.h"
 #include "test/cctest/test-code-stubs.h"
@@ -67,7 +67,7 @@ ConvertDToIFunc MakeConvertDToIFuncTrampoline(Isolate* isolate,
     __ Move(f12, a0, a1);
   }
   // Push the double argument.
-  __ Subu(sp, sp, Operand(kDoubleSize));
+  __ Dsubu(sp, sp, Operand(kDoubleSize));
   __ sdc1(f12, MemOperand(sp));
   __ Move(source_reg, sp);
 
@@ -83,7 +83,7 @@ ConvertDToIFunc MakeConvertDToIFuncTrampoline(Isolate* isolate,
   }
 
   // Re-push the double argument.
-  __ Subu(sp, sp, Operand(kDoubleSize));
+  __ Dsubu(sp, sp, Operand(kDoubleSize));
   __ sdc1(f12, MemOperand(sp));
 
   // Call through to the actual stub
@@ -92,13 +92,13 @@ ConvertDToIFunc MakeConvertDToIFuncTrampoline(Isolate* isolate,
     __ TryInlineTruncateDoubleToI(destination_reg, f12, &done);
     if (destination_reg.is(source_reg) && !source_reg.is(sp)) {
       // Restore clobbered source_reg.
-      __ Addu(source_reg, sp, Operand(source_reg_offset));
+      __ Daddu(source_reg, sp, Operand(source_reg_offset));
     }
   }
   __ Call(start, RelocInfo::EXTERNAL_REFERENCE);
   __ bind(&done);
 
-  __ Addu(sp, sp, Operand(kDoubleSize));
+  __ Daddu(sp, sp, Operand(kDoubleSize));
 
   // Make sure no registers have been unexpectedly clobbered
   for (--reg_num; reg_num >= 2; --reg_num) {
@@ -106,11 +106,11 @@ ConvertDToIFunc MakeConvertDToIFuncTrampoline(Isolate* isolate,
     if (!reg.is(destination_reg)) {
       __ lw(at, MemOperand(sp, 0));
       __ Assert(eq, kRegisterWasClobbered, reg, Operand(at));
-      __ Addu(sp, sp, Operand(kPointerSize));
+      __ Daddu(sp, sp, Operand(kPointerSize));
     }
   }
 
-  __ Addu(sp, sp, Operand(kDoubleSize));
+  __ Daddu(sp, sp, Operand(kDoubleSize));
 
   __ Move(v0, destination_reg);
   Label ok;
@@ -165,9 +165,9 @@ TEST(ConvertDToI) {
 #endif
 
   Register source_registers[] = {
-      sp, v0, v1, a0, a1, a2, a3, t0, t1, t2, t3, t4, t5};
+      sp, v0, v1, a0, a1, a2, a3, a4, a5, a6, a7, t0, t1};
   Register dest_registers[] = {
-      v0, v1, a0, a1, a2, a3, t0, t1, t2, t3, t4, t5};
+      v0, v1, a0, a1, a2, a3, a4, a5, a6, a7, t0, t1};
 
   for (size_t s = 0; s < sizeof(source_registers) / sizeof(Register); s++) {
     for (size_t d = 0; d < sizeof(dest_registers) / sizeof(Register); d++) {