Add AddImmediate(reg, int) to ARM64 assembler

runtime/vm/flow_graph_compiler_arm64.cc

 // Copyright (c) 2014, 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"  // Needed here to get TARGET_ARCH_ARM64.
 #if defined(TARGET_ARCH_ARM64)
 
 #include "vm/flow_graph_compiler.h"
 
 #include "vm/ast_printer.h"
@@ skipping 781 matching lines @@
         opt_param_position[i + 1] = opt_param_position[i];
       }
       opt_param[i + 1] = parameter;
       opt_param_position[i + 1] = pos;
     }
     // Generate code handling each optional parameter in alphabetical order.
     __ LoadFieldFromOffset(R7, R4, ArgumentsDescriptor::count_offset());
     // Let R7 point to the first passed argument, i.e. to
     // fp[kParamEndSlotFromFp + num_args - 0]; num_args (R7) is Smi.
     __ add(R7, FP, Operand(R7, LSL, 2));
-    __ AddImmediate(R7, R7, kParamEndSlotFromFp * kWordSize);
+    __ AddImmediate(R7, kParamEndSlotFromFp * kWordSize);
     // Let R6 point to the entry of the first named argument.
     __ add(R6, R4, Operand(ArgumentsDescriptor::first_named_entry_offset() -
                            kHeapObjectTag));
     for (int i = 0; i < num_opt_named_params; i++) {
       Label load_default_value, assign_optional_parameter;
       const int param_pos = opt_param_position[i];
       // Check if this named parameter was passed in.
       // Load R5 with the name of the argument.
       __ LoadFromOffset(R5, R6, ArgumentsDescriptor::name_offset());
       ASSERT(opt_param[i]->name().IsSymbol());
@@ skipping 671 matching lines @@
 
 int FlowGraphCompiler::EmitTestAndCallCheckCid(Label* next_label,
                                                const CidRange& range,
                                                int bias) {
   intptr_t cid_start = range.cid_start;
   intptr_t cid_end = range.cid_end;
   if (cid_start == cid_end) {
     __ CompareImmediate(R2, cid_start - bias);
     __ b(next_label, NE);
   } else {
-    __ AddImmediate(R2, R2, bias - cid_start);
+    __ AddImmediate(R2, bias - cid_start);
     bias = cid_start;
     __ CompareImmediate(R2, cid_end - cid_start);
     __ b(next_label, HI);  // Unsigned higher.
   }
   return bias;
 }
 
 
 #undef __
 #define __ compiler_->assembler()->
@@ skipping 267 matching lines @@
 void ParallelMoveResolver::RestoreFpuScratch(FpuRegister reg) {
   __ PopDouble(reg);
 }
 
 
 #undef __
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM64