MIPS: Do not cache CodeStubInterfaceDescriptor on the isolate.

src/mips/code-stubs-mips.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_MIPS
 
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
@@ skipping 104 matching lines @@
                                     bool strict);
 static void EmitStrictTwoHeapObjectCompare(MacroAssembler* masm,
                                            Register lhs,
                                            Register rhs);
 
 
 void HydrogenCodeStub::GenerateLightweightMiss(MacroAssembler* masm) {
   // Update the static counter each time a new code stub is generated.
   isolate()->counters()->code_stubs()->Increment();
 
-  CodeStubInterfaceDescriptor descriptor = GetInterfaceDescriptor();
-  int param_count = descriptor->GetEnvironmentParameterCount();
+  CodeStubInterfaceDescriptor descriptor;
+  InitializeInterfaceDescriptor(&descriptor);
+  int param_count = descriptor.GetEnvironmentParameterCount();
   {
     // Call the runtime system in a fresh internal frame.
     FrameScope scope(masm, StackFrame::INTERNAL);
     DCHECK(param_count == 0 ||
-           a0.is(descriptor->GetEnvironmentParameterRegister(
-               param_count - 1)));
+           a0.is(descriptor.GetEnvironmentParameterRegister(param_count - 1)));
     // Push arguments, adjust sp.
     __ Subu(sp, sp, Operand(param_count * kPointerSize));
     for (int i = 0; i < param_count; ++i) {
       // Store argument to stack.
-      __ sw(descriptor->GetEnvironmentParameterRegister(i),
+      __ sw(descriptor.GetEnvironmentParameterRegister(i),
             MemOperand(sp, (param_count-1-i) * kPointerSize));
     }
-    ExternalReference miss = descriptor->miss_handler();
+    ExternalReference miss = descriptor.miss_handler();
     __ CallExternalReference(miss, param_count);
   }
 
   __ Ret();
 }
 
 
 void DoubleToIStub::Generate(MacroAssembler* masm) {
   Label out_of_range, only_low, negate, done;
   Register input_reg = source();
@@ skipping 4736 matching lines @@
                               MemOperand(fp, 6 * kPointerSize),
                               NULL);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS