remove most uses of Isolate::Current in arch specific files

src/arm/ic-arm.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 336 matching lines @@
   //  -- r2    : name
   // -----------------------------------
   Label number, non_number, non_string, boolean, probe, miss;
 
   // Probe the stub cache.
   Code::Flags flags = Code::ComputeFlags(kind,
                                          MONOMORPHIC,
                                          extra_state,
                                          Code::NORMAL,
                                          argc);
-  Isolate::Current()->stub_cache()->GenerateProbe(
+  masm->isolate()->stub_cache()->GenerateProbe(
       masm, flags, r1, r2, r3, r4, r5, r6);
 
   // If the stub cache probing failed, the receiver might be a value.
   // For value objects, we use the map of the prototype objects for
   // the corresponding JSValue for the cache and that is what we need
   // to probe.
   //
   // Check for number.
   __ JumpIfSmi(r1, &number);
   __ CompareObjectType(r1, r3, r3, HEAP_NUMBER_TYPE);
@@ skipping 18 matching lines @@
   __ b(eq, &boolean);
   __ LoadRoot(ip, Heap::kFalseValueRootIndex);
   __ cmp(r1, ip);
   __ b(ne, &miss);
   __ bind(&boolean);
   StubCompiler::GenerateLoadGlobalFunctionPrototype(
       masm, Context::BOOLEAN_FUNCTION_INDEX, r1);
 
   // Probe the stub cache for the value object.
   __ bind(&probe);
-  Isolate::Current()->stub_cache()->GenerateProbe(
+  masm->isolate()->stub_cache()->GenerateProbe(
       masm, flags, r1, r2, r3, r4, r5, r6);
 
   __ bind(&miss);
 }
 
 
 static void GenerateFunctionTailCall(MacroAssembler* masm,
                                      int argc,
                                      Label* miss,
                                      Register scratch) {
@@ skipping 244 matching lines @@
   // ----------- S t a t e -------------
   //  -- r2    : name
   //  -- lr    : return address
   //  -- r0    : receiver
   // -----------------------------------
 
   // Probe the stub cache.
   Code::Flags flags = Code::ComputeFlags(
       Code::STUB, MONOMORPHIC, Code::kNoExtraICState,
       Code::NORMAL, Code::LOAD_IC);
-  Isolate::Current()->stub_cache()->GenerateProbe(
+  masm->isolate()->stub_cache()->GenerateProbe(
       masm, flags, r0, r2, r3, r4, r5, r6);
 
   // Cache miss: Jump to runtime.
   GenerateMiss(masm);
 }
 
 
 void LoadIC::GenerateNormal(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- r2    : name
@@ skipping 811 matching lines @@
   //  -- r1    : receiver
   //  -- r2    : name
   //  -- lr    : return address
   // -----------------------------------
 
   // Get the receiver from the stack and probe the stub cache.
   Code::Flags flags = Code::ComputeFlags(
       Code::STUB, MONOMORPHIC, strict_mode,
       Code::NORMAL, Code::STORE_IC);
 
-  Isolate::Current()->stub_cache()->GenerateProbe(
+  masm->isolate()->stub_cache()->GenerateProbe(
       masm, flags, r1, r2, r3, r4, r5, r6);
 
   // Cache miss: Jump to runtime.
   GenerateMiss(masm);
 }
 
 
 void StoreIC::GenerateMiss(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- r0    : value
@@ skipping 149 matching lines @@
   } else {
     ASSERT(Assembler::GetCondition(branch_instr) == ne);
     patcher.EmitCondition(eq);
   }
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM