VM: Simplify assembler test by removing unused parameter.

runtime/vm/assembler_arm_test.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 "vm/globals.h"
 #if defined(TARGET_ARCH_ARM)
 
 #include "vm/assembler.h"
 #include "vm/cpu.h"
 #include "vm/os.h"
@@ skipping 3910 matching lines @@
   if (TargetCPUFeatures::neon_supported()) {
     typedef float (*Vnegqs)() DART_UNUSED;
     float res = EXECUTE_TEST_CODE_FLOAT(Vnegqs, test->entry());
     EXPECT_FLOAT_EQ(2.0, res, 0.0001f);
   }
 }
 
 
 // Called from assembler_test.cc.
 // LR: return address.
-// R0: context.
-// R1: value.
-// R2: growable array.
-// R3: current thread.
+// R0: value.
+// R1: growable array.
+// R2: current thread.
 ASSEMBLER_TEST_GENERATE(StoreIntoObject, assembler) {
-  __ PushList((1 << CTX) | (1 << LR) | (1 << THR));
-  __ mov(CTX, Operand(R0));
-  __ mov(THR, Operand(R3));
-  __ StoreIntoObject(R2,
-                     FieldAddress(R2, GrowableObjectArray::data_offset()),
-                     R1);
-  __ PopList((1 << CTX) | (1 << LR) | (1 << THR));
+  __ PushList((1 << LR) | (1 << THR));
+  __ mov(THR, Operand(R2));
+  __ StoreIntoObject(R1,
+                     FieldAddress(R1, GrowableObjectArray::data_offset()),
+                     R0);
+  __ PopList((1 << LR) | (1 << THR));
   __ Ret();
 }
 
 
 ASSEMBLER_TEST_GENERATE(ComputeRange, assembler) {
   Label miss, done;
   __ mov(R1, Operand(R0));
   __ ComputeRange(R0, R1, R2, &miss);
   __ b(&done);
 
@@ skipping 38 matching lines @@
   EXPECT_EQ(ICData::kInt64RangeBit, RANGE_OF(Integer::New(kMinInt64)));
 
   EXPECT_EQ(-1, RANGE_OF(Bool::True().raw()));
 
 #undef RANGE_OF
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM