In LCodeGen::DoDeferredLInstanceOfKnownGlobal emit safepoint with registers for the call to stub.

src/ia32/lithium-codegen-ia32.cc

Index: src/ia32/lithium-codegen-ia32.cc
diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc
index 2c5541b024e47d8c8ab8c2ef45965c672a8a8299..a3a17b07473b042f0c1031055916d8c7d882a21f 100644
--- a/src/ia32/lithium-codegen-ia32.cc
+++ b/src/ia32/lithium-codegen-ia32.cc
@@ -408,20 +408,21 @@ void LCodeGen::AddToTranslation(Translation* translation,
 }
 
 
-void LCodeGen::CallCode(Handle<Code> code,
-                        RelocInfo::Mode mode,
-                        LInstruction* instr,
-                        bool adjusted) {
+void LCodeGen::CallCodeGeneric(Handle<Code> code,
+                               RelocInfo::Mode mode,
+                               LInstruction* instr,
+                               ContextMode context_mode,
+                               SafepointMode safepoint_mode) {
   ASSERT(instr != NULL);
   LPointerMap* pointers = instr->pointer_map();
   RecordPosition(pointers->position());
 
-  if (!adjusted) {
+  if (context_mode == RESTORE_CONTEXT) {
     __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset));
   }
   __ call(code, mode);
 
-  RegisterLazyDeoptimization(instr);
+  RegisterLazyDeoptimization(instr, safepoint_mode);
 
   // Signal that we don't inline smi code before these stubs in the
   // optimizing code generator.
@@ -432,25 +433,44 @@ void LCodeGen::CallCode(Handle<Code> code,
 }
 
 
+void LCodeGen::CallCode(Handle<Code> code,
+                        RelocInfo::Mode mode,
+                        LInstruction* instr,
+                        ContextMode context_mode) {
+  CallCodeGeneric(code, mode, instr, context_mode, RECORD_SIMPLE_SAFEPOINT);
+}
+
+
 void LCodeGen::CallRuntime(const Runtime::Function* fun,
                            int argc,
                            LInstruction* instr,
-                           bool adjusted) {
+                           ContextMode context_mode) {
   ASSERT(instr != NULL);
   ASSERT(instr->HasPointerMap());
   LPointerMap* pointers = instr->pointer_map();
   RecordPosition(pointers->position());
 
-  if (!adjusted) {
+  if (context_mode == RESTORE_CONTEXT) {
     __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset));
   }
   __ CallRuntime(fun, argc);
 
-  RegisterLazyDeoptimization(instr);
+  RegisterLazyDeoptimization(instr, RECORD_SIMPLE_SAFEPOINT);
+}
+
+
+void LCodeGen::CallRuntimeFromDeferred(Runtime::FunctionId id,
+                                       int argc,
+                                       LInstruction* instr) {
+  __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset));
+  __ CallRuntimeSaveDoubles(id);
+  RecordSafepointWithRegisters(
+      instr->pointer_map(), argc, Safepoint::kNoDeoptimizationIndex);
 }
 
 
-void LCodeGen::RegisterLazyDeoptimization(LInstruction* instr) {
+void LCodeGen::RegisterLazyDeoptimization(LInstruction* instr,
+                                          SafepointMode safepoint_mode) {
   // Create the environment to bailout to. If the call has side effects
   // execution has to continue after the call otherwise execution can continue
   // from a previous bailout point repeating the call.
@@ -462,8 +482,16 @@ void LCodeGen::RegisterLazyDeoptimization(LInstruction* instr) {
   }
 
   RegisterEnvironmentForDeoptimization(deoptimization_environment);
-  RecordSafepoint(instr->pointer_map(),
-                  deoptimization_environment->deoptimization_index());
+  if (safepoint_mode == RECORD_SIMPLE_SAFEPOINT) {
+    RecordSafepoint(instr->pointer_map(),
+                    deoptimization_environment->deoptimization_index());
+  } else {
+    ASSERT(safepoint_mode == RECORD_SAFEPOINT_WITH_REGISTERS_AND_NO_ARGUMENTS);
+    RecordSafepointWithRegisters(
+        instr->pointer_map(),
+        0,
+        deoptimization_environment->deoptimization_index());
+  }
 }
 
 
@@ -612,6 +640,7 @@ void LCodeGen::RecordSafepoint(
     Safepoint::Kind kind,
     int arguments,
     int deoptimization_index) {
+  ASSERT(kind == expected_safepoint_kind_);
   const ZoneList<LOperand*>* operands = pointers->operands();
   Safepoint safepoint = safepoints_.DefineSafepoint(masm(),
       kind, arguments, deoptimization_index);
@@ -697,38 +726,38 @@ void LCodeGen::DoCallStub(LCallStub* instr) {
   switch (instr->hydrogen()->major_key()) {
     case CodeStub::RegExpConstructResult: {
       RegExpConstructResultStub stub;
-      CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
+      CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr, CONTEXT_ADJUSTED);
       break;
     }
     case CodeStub::RegExpExec: {
       RegExpExecStub stub;
-      CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
+      CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr, CONTEXT_ADJUSTED);
       break;
     }
     case CodeStub::SubString: {
       SubStringStub stub;
-      CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
+      CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr, CONTEXT_ADJUSTED);
       break;
     }
     case CodeStub::NumberToString: {
       NumberToStringStub stub;
-      CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
+      CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr, CONTEXT_ADJUSTED);
       break;
     }
     case CodeStub::StringAdd: {
       StringAddStub stub(NO_STRING_ADD_FLAGS);
-      CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
+      CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr, CONTEXT_ADJUSTED);
       break;
     }
     case CodeStub::StringCompare: {
       StringCompareStub stub;
-      CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
+      CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr, CONTEXT_ADJUSTED);
       break;
     }
     case CodeStub::TranscendentalCache: {
       TranscendentalCacheStub stub(instr->transcendental_type(),
                                    TranscendentalCacheStub::TAGGED);
-      CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
+      CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr, CONTEXT_ADJUSTED);
       break;
     }
     default:
@@ -1143,7 +1172,7 @@ void LCodeGen::DoBitNotI(LBitNotI* instr) {
 
 void LCodeGen::DoThrow(LThrow* instr) {
   __ push(ToOperand(instr->InputAt(0)));
-  CallRuntime(Runtime::kThrow, 1, instr, false);
+  CallRuntime(Runtime::kThrow, 1, instr, RESTORE_CONTEXT);
 
   if (FLAG_debug_code) {
     Comment("Unreachable code.");
@@ -1218,7 +1247,7 @@ void LCodeGen::DoArithmeticT(LArithmeticT* instr) {
   ASSERT(ToRegister(instr->result()).is(eax));
 
   TypeRecordingBinaryOpStub stub(instr->op(), NO_OVERWRITE);
-  CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr, false);
+  CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr, RESTORE_CONTEXT);
 }
 
 
@@ -1330,12 +1359,8 @@ void LCodeGen::EmitGoto(int block, LDeferredCode* deferred_stack_check) {
 
 
 void LCodeGen::DoDeferredStackCheck(LGoto* instr) {
-  __ pushad();
-  __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset));
-  __ CallRuntimeSaveDoubles(Runtime::kStackGuard);
-  RecordSafepointWithRegisters(
-      instr->pointer_map(), 0, Safepoint::kNoDeoptimizationIndex);
-  __ popad();
+  PushSafepointRegistersScope scope(this);
+  CallRuntimeFromDeferred(Runtime::kStackGuard, 0, instr);
 }
 
 void LCodeGen::DoGoto(LGoto* instr) {
@@ -1837,7 +1862,7 @@ void LCodeGen::DoInstanceOf(LInstanceOf* instr) {
   // Object and function are in fixed registers defined by the stub.
   ASSERT(ToRegister(instr->context()).is(esi));
   InstanceofStub stub(InstanceofStub::kArgsInRegisters);
-  CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
+  CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr, CONTEXT_ADJUSTED);
 
   NearLabel true_value, done;
   __ test(eax, Operand(eax));
@@ -1856,7 +1881,7 @@ void LCodeGen::DoInstanceOfAndBranch(LInstanceOfAndBranch* instr) {
   int false_block = chunk_->LookupDestination(instr->false_block_id());
 
   InstanceofStub stub(InstanceofStub::kArgsInRegisters);
-  CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
+  CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr, CONTEXT_ADJUSTED);
   __ test(eax, Operand(eax));
   EmitBranch(true_block, false_block, zero);
 }
@@ -1928,7 +1953,7 @@ void LCodeGen::DoInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr) {
 
 void LCodeGen::DoDeferredLInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr,
                                                 Label* map_check) {
-  __ PushSafepointRegisters();
+  PushSafepointRegistersScope scope(this);
 
   InstanceofStub::Flags flags = InstanceofStub::kNoFlags;
   flags = static_cast<InstanceofStub::Flags>(
@@ -1939,20 +1964,24 @@ void LCodeGen::DoDeferredLInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr,
       flags | InstanceofStub::kReturnTrueFalseObject);
   InstanceofStub stub(flags);
 
-  // Get the temp register reserved by the instruction. This needs to be edi as
-  // its slot of the pushing of safepoint registers is used to communicate the
-  // offset to the location of the map check.
+  // Get the temp register reserved by the instruction. This needs to be a
+  // register which is pushed last by PushSafepointRegisters as top of the
+  // stack is used to pass the offset to the location of the map check to
+  // the stub.
   Register temp = ToRegister(instr->TempAt(0));
-  ASSERT(temp.is(edi));
+  ASSERT(MacroAssembler::SafepointRegisterStackIndex(temp) == 0);
   __ mov(InstanceofStub::right(), Immediate(instr->function()));
   static const int kAdditionalDelta = 16;
   int delta = masm_->SizeOfCodeGeneratedSince(map_check) + kAdditionalDelta;
   __ mov(temp, Immediate(delta));
   __ StoreToSafepointRegisterSlot(temp, temp);
-  CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr, false);
+  CallCodeGeneric(stub.GetCode(),
+                  RelocInfo::CODE_TARGET,
+                  instr,
+                  RESTORE_CONTEXT,
+                  RECORD_SAFEPOINT_WITH_REGISTERS_AND_NO_ARGUMENTS);
   // Put the result value into the eax slot and restore all registers.
   __ StoreToSafepointRegisterSlot(eax, eax);
-  __ PopSafepointRegisters();
 }
 
 
@@ -1980,7 +2009,7 @@ void LCodeGen::DoCmpT(LCmpT* instr) {
   Token::Value op = instr->op();
 
   Handle<Code> ic = CompareIC::GetUninitialized(op);
-  CallCode(ic, RelocInfo::CODE_TARGET, instr, false);
+  CallCode(ic, RelocInfo::CODE_TARGET, instr, RESTORE_CONTEXT);
 
   Condition condition = ComputeCompareCondition(op);
   if (op == Token::GT || op == Token::LTE) {
@@ -2003,7 +2032,7 @@ void LCodeGen::DoCmpTAndBranch(LCmpTAndBranch* instr) {
   int false_block = chunk_->LookupDestination(instr->false_block_id());
 
   Handle<Code> ic = CompareIC::GetUninitialized(op);
-  CallCode(ic, RelocInfo::CODE_TARGET, instr, false);
+  CallCode(ic, RelocInfo::CODE_TARGET, instr, RESTORE_CONTEXT);
 
   // The compare stub expects compare condition and the input operands
   // reversed for GT and LTE.
@@ -2051,7 +2080,7 @@ void LCodeGen::DoLoadGlobalGeneric(LLoadGlobalGeneric* instr) {
   RelocInfo::Mode mode = instr->for_typeof() ? RelocInfo::CODE_TARGET :
                                                RelocInfo::CODE_TARGET_CONTEXT;
   Handle<Code> ic = isolate()->builtins()->LoadIC_Initialize();
-  CallCode(ic, mode, instr);
+  CallCode(ic, mode, instr, CONTEXT_ADJUSTED);
 }
 
 
@@ -2080,7 +2109,7 @@ void LCodeGen::DoStoreGlobalGeneric(LStoreGlobalGeneric* instr) {
 
   __ mov(ecx, instr->name());
   Handle<Code> ic = isolate()->builtins()->StoreIC_Initialize();
-  CallCode(ic, RelocInfo::CODE_TARGET_CONTEXT, instr);
+  CallCode(ic, RelocInfo::CODE_TARGET_CONTEXT, instr, CONTEXT_ADJUSTED);
 }
 
 
@@ -2146,7 +2175,7 @@ void LCodeGen::DoLoadNamedFieldPolymorphic(LLoadNamedFieldPolymorphic* instr) {
     ASSERT(instr->hydrogen()->need_generic());
     __ mov(ecx, name);
     Handle<Code> ic = isolate()->builtins()->LoadIC_Initialize();
-    CallCode(ic, RelocInfo::CODE_TARGET, instr, false);
+    CallCode(ic, RelocInfo::CODE_TARGET, instr, RESTORE_CONTEXT);
   } else {
     NearLabel done;
     for (int i = 0; i < map_count - 1; ++i) {
@@ -2168,7 +2197,7 @@ void LCodeGen::DoLoadNamedFieldPolymorphic(LLoadNamedFieldPolymorphic* instr) {
       __ bind(&generic);
       __ mov(ecx, name);
       Handle<Code> ic = isolate()->builtins()->LoadIC_Initialize();
-      CallCode(ic, RelocInfo::CODE_TARGET, instr, false);
+      CallCode(ic, RelocInfo::CODE_TARGET, instr, RESTORE_CONTEXT);
     } else {
       DeoptimizeIf(not_equal, instr->environment());
       EmitLoadField(result, object, map, name);
@@ -2185,7 +2214,7 @@ void LCodeGen::DoLoadNamedGeneric(LLoadNamedGeneric* instr) {
 
   __ mov(ecx, instr->name());
   Handle<Code> ic = isolate()->builtins()->LoadIC_Initialize();
-  CallCode(ic, RelocInfo::CODE_TARGET, instr);
+  CallCode(ic, RelocInfo::CODE_TARGET, instr, CONTEXT_ADJUSTED);
 }
 
 
@@ -2348,7 +2377,7 @@ void LCodeGen::DoLoadKeyedGeneric(LLoadKeyedGeneric* instr) {
   ASSERT(ToRegister(instr->key()).is(eax));
 
   Handle<Code> ic = isolate()->builtins()->KeyedLoadIC_Initialize();
-  CallCode(ic, RelocInfo::CODE_TARGET, instr);
+  CallCode(ic, RelocInfo::CODE_TARGET, instr, CONTEXT_ADJUSTED);
 }
 
 
@@ -2536,7 +2565,7 @@ void LCodeGen::CallKnownFunction(Handle<JSFunction> function,
   }
 
   // Setup deoptimization.
-  RegisterLazyDeoptimization(instr);
+  RegisterLazyDeoptimization(instr, RECORD_SIMPLE_SAFEPOINT);
 }
 
 
@@ -2558,7 +2587,7 @@ void LCodeGen::DoDeferredMathAbsTaggedHeapNumber(LUnaryMathOperation* instr) {
   Register tmp2 = tmp.is(ecx) ? edx : input_reg.is(ecx) ? edx : ecx;
 
   // Preserve the value of all registers.
-  __ PushSafepointRegisters();
+  PushSafepointRegistersScope scope(this);
 
   Label negative;
   __ mov(tmp, FieldOperand(input_reg, HeapNumber::kExponentOffset));
@@ -2579,10 +2608,8 @@ void LCodeGen::DoDeferredMathAbsTaggedHeapNumber(LUnaryMathOperation* instr) {
   // Slow case: Call the runtime system to do the number allocation.
   __ bind(&slow);
 
-  __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset));
-  __ CallRuntimeSaveDoubles(Runtime::kAllocateHeapNumber);
-  RecordSafepointWithRegisters(
-      instr->pointer_map(), 0, Safepoint::kNoDeoptimizationIndex);
+  CallRuntimeFromDeferred(Runtime::kAllocateHeapNumber, 0, instr);
+
   // Set the pointer to the new heap number in tmp.
   if (!tmp.is(eax)) __ mov(tmp, eax);
 
@@ -2598,7 +2625,6 @@ void LCodeGen::DoDeferredMathAbsTaggedHeapNumber(LUnaryMathOperation* instr) {
   __ StoreToSafepointRegisterSlot(input_reg, tmp);
 
   __ bind(&done);
-  __ PopSafepointRegisters();
 }
 
 
@@ -2820,7 +2846,7 @@ void LCodeGen::DoMathCos(LUnaryMathOperation* instr) {
   ASSERT(ToDoubleRegister(instr->result()).is(xmm1));
   TranscendentalCacheStub stub(TranscendentalCache::COS,
                                TranscendentalCacheStub::UNTAGGED);
-  CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr, false);
+  CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr, RESTORE_CONTEXT);
 }
 
 
@@ -2828,7 +2854,7 @@ void LCodeGen::DoMathSin(LUnaryMathOperation* instr) {
   ASSERT(ToDoubleRegister(instr->result()).is(xmm1));
   TranscendentalCacheStub stub(TranscendentalCache::SIN,
                                TranscendentalCacheStub::UNTAGGED);
-  CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr, false);
+  CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr, RESTORE_CONTEXT);
 }
 
 
@@ -2873,7 +2899,7 @@ void LCodeGen::DoCallKeyed(LCallKeyed* instr) {
   int arity = instr->arity();
   Handle<Code> ic = isolate()->stub_cache()->
       ComputeKeyedCallInitialize(arity, NOT_IN_LOOP);
-  CallCode(ic, RelocInfo::CODE_TARGET, instr);
+  CallCode(ic, RelocInfo::CODE_TARGET, instr, CONTEXT_ADJUSTED);
 }
 
 
@@ -2885,7 +2911,7 @@ void LCodeGen::DoCallNamed(LCallNamed* instr) {
   Handle<Code> ic = isolate()->stub_cache()->
       ComputeCallInitialize(arity, NOT_IN_LOOP);
   __ mov(ecx, instr->name());
-  CallCode(ic, RelocInfo::CODE_TARGET, instr);
+  CallCode(ic, RelocInfo::CODE_TARGET, instr, CONTEXT_ADJUSTED);
 }
 
 
@@ -2895,7 +2921,7 @@ void LCodeGen::DoCallFunction(LCallFunction* instr) {
 
   int arity = instr->arity();
   CallFunctionStub stub(arity, NOT_IN_LOOP, RECEIVER_MIGHT_BE_VALUE);
-  CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
+  CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr, CONTEXT_ADJUSTED);
   __ Drop(1);
 }
 
@@ -2908,7 +2934,7 @@ void LCodeGen::DoCallGlobal(LCallGlobal* instr) {
   Handle<Code> ic = isolate()->stub_cache()->
       ComputeCallInitialize(arity, NOT_IN_LOOP);
   __ mov(ecx, instr->name());
-  CallCode(ic, RelocInfo::CODE_TARGET_CONTEXT, instr);
+  CallCode(ic, RelocInfo::CODE_TARGET_CONTEXT, instr, CONTEXT_ADJUSTED);
 }
 
 
@@ -2926,12 +2952,12 @@ void LCodeGen::DoCallNew(LCallNew* instr) {
 
   Handle<Code> builtin = isolate()->builtins()->JSConstructCall();
   __ Set(eax, Immediate(instr->arity()));
-  CallCode(builtin, RelocInfo::CONSTRUCT_CALL, instr);
+  CallCode(builtin, RelocInfo::CONSTRUCT_CALL, instr, CONTEXT_ADJUSTED);
 }
 
 
 void LCodeGen::DoCallRuntime(LCallRuntime* instr) {
-  CallRuntime(instr->function(), instr->arity(), instr, false);
+  CallRuntime(instr->function(), instr->arity(), instr, RESTORE_CONTEXT);
 }
 
 
@@ -2974,7 +3000,7 @@ void LCodeGen::DoStoreNamedGeneric(LStoreNamedGeneric* instr) {
   Handle<Code> ic = info_->is_strict()
       ? isolate()->builtins()->StoreIC_Initialize_Strict()
       : isolate()->builtins()->StoreIC_Initialize();
-  CallCode(ic, RelocInfo::CODE_TARGET, instr);
+  CallCode(ic, RelocInfo::CODE_TARGET, instr, CONTEXT_ADJUSTED);
 }
 
 
@@ -3074,7 +3100,7 @@ void LCodeGen::DoStoreKeyedGeneric(LStoreKeyedGeneric* instr) {
   Handle<Code> ic = info_->is_strict()
       ? isolate()->builtins()->KeyedStoreIC_Initialize_Strict()
       : isolate()->builtins()->KeyedStoreIC_Initialize();
-  CallCode(ic, RelocInfo::CODE_TARGET, instr);
+  CallCode(ic, RelocInfo::CODE_TARGET, instr, CONTEXT_ADJUSTED);
 }
 
 
@@ -3192,7 +3218,7 @@ void LCodeGen::DoDeferredStringCharCodeAt(LStringCharCodeAt* instr) {
   // contained in the register pointer map.
   __ Set(result, Immediate(0));
 
-  __ PushSafepointRegisters();
+  PushSafepointRegistersScope scope(this);
   __ push(string);
   // Push the index as a smi. This is safe because of the checks in
   // DoStringCharCodeAt above.
@@ -3205,16 +3231,12 @@ void LCodeGen::DoDeferredStringCharCodeAt(LStringCharCodeAt* instr) {
     __ SmiTag(index);
     __ push(index);
   }
-  __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset));
-  __ CallRuntimeSaveDoubles(Runtime::kStringCharCodeAt);
-  RecordSafepointWithRegisters(
-      instr->pointer_map(), 2, Safepoint::kNoDeoptimizationIndex);
+  CallRuntimeFromDeferred(Runtime::kStringCharCodeAt, 2, instr);
   if (FLAG_debug_code) {
     __ AbortIfNotSmi(eax);
   }
   __ SmiUntag(eax);
   __ StoreToSafepointRegisterSlot(result, eax);
-  __ PopSafepointRegisters();
 }
 
 
@@ -3257,14 +3279,11 @@ void LCodeGen::DoDeferredStringCharFromCode(LStringCharFromCode* instr) {
   // contained in the register pointer map.
   __ Set(result, Immediate(0));
 
-  __ PushSafepointRegisters();
+  PushSafepointRegistersScope scope(this);
   __ SmiTag(char_code);
   __ push(char_code);
-  __ CallRuntimeSaveDoubles(Runtime::kCharFromCode);
-  RecordSafepointWithRegisters(
-      instr->pointer_map(), 1, Safepoint::kNoDeoptimizationIndex);
+  CallRuntimeFromDeferred(Runtime::kCharFromCode, 1, instr);
   __ StoreToSafepointRegisterSlot(result, eax);
-  __ PopSafepointRegisters();
 }
 
 
@@ -3311,7 +3330,7 @@ void LCodeGen::DoDeferredNumberTagI(LNumberTagI* instr) {
   Register tmp = reg.is(eax) ? ecx : eax;
 
   // Preserve the value of all registers.
-  __ PushSafepointRegisters();
+  PushSafepointRegistersScope scope(this);
 
   // There was overflow, so bits 30 and 31 of the original integer
   // disagree. Try to allocate a heap number in new space and store
@@ -3333,10 +3352,7 @@ void LCodeGen::DoDeferredNumberTagI(LNumberTagI* instr) {
   // integer value.
   __ StoreToSafepointRegisterSlot(reg, Immediate(0));
 
-  __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset));
-  __ CallRuntimeSaveDoubles(Runtime::kAllocateHeapNumber);
-  RecordSafepointWithRegisters(
-      instr->pointer_map(), 0, Safepoint::kNoDeoptimizationIndex);
+  CallRuntimeFromDeferred(Runtime::kAllocateHeapNumber, 0, instr);
   if (!reg.is(eax)) __ mov(reg, eax);
 
   // Done. Put the value in xmm0 into the value of the allocated heap
@@ -3344,7 +3360,6 @@ void LCodeGen::DoDeferredNumberTagI(LNumberTagI* instr) {
   __ bind(&done);
   __ movdbl(FieldOperand(reg, HeapNumber::kValueOffset), xmm0);
   __ StoreToSafepointRegisterSlot(reg, reg);
-  __ PopSafepointRegisters();
 }
 
 
@@ -3380,13 +3395,9 @@ void LCodeGen::DoDeferredNumberTagD(LNumberTagD* instr) {
   Register reg = ToRegister(instr->result());
   __ Set(reg, Immediate(0));
 
-  __ PushSafepointRegisters();
-  __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset));
-  __ CallRuntimeSaveDoubles(Runtime::kAllocateHeapNumber);
-  RecordSafepointWithRegisters(
-      instr->pointer_map(), 0, Safepoint::kNoDeoptimizationIndex);
+  PushSafepointRegistersScope scope(this);
+  CallRuntimeFromDeferred(Runtime::kAllocateHeapNumber, 0, instr);
   __ StoreToSafepointRegisterSlot(reg, eax);
-  __ PopSafepointRegisters();
 }
 
 
@@ -3801,16 +3812,16 @@ void LCodeGen::DoArrayLiteral(LArrayLiteral* instr) {
     FastCloneShallowArrayStub::Mode mode =
         FastCloneShallowArrayStub::COPY_ON_WRITE_ELEMENTS;
     FastCloneShallowArrayStub stub(mode, length);
-    CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr, false);
+    CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr, RESTORE_CONTEXT);
   } else if (instr->hydrogen()->depth() > 1) {
-    CallRuntime(Runtime::kCreateArrayLiteral, 3, instr, false);
+    CallRuntime(Runtime::kCreateArrayLiteral, 3, instr, RESTORE_CONTEXT);
   } else if (length > FastCloneShallowArrayStub::kMaximumClonedLength) {
-    CallRuntime(Runtime::kCreateArrayLiteralShallow, 3, instr, false);
+    CallRuntime(Runtime::kCreateArrayLiteralShallow, 3, instr, RESTORE_CONTEXT);
   } else {
     FastCloneShallowArrayStub::Mode mode =
         FastCloneShallowArrayStub::CLONE_ELEMENTS;
     FastCloneShallowArrayStub stub(mode, length);
-    CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr, false);
+    CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr, RESTORE_CONTEXT);
   }
 }
 
@@ -3832,9 +3843,12 @@ void LCodeGen::DoObjectLiteral(LObjectLiteral* instr) {
 
   // Pick the right runtime function to call.
   if (instr->hydrogen()->depth() > 1) {
-    CallRuntime(Runtime::kCreateObjectLiteral, 4, instr);
+    CallRuntime(Runtime::kCreateObjectLiteral, 4, instr, CONTEXT_ADJUSTED);
   } else {
-    CallRuntime(Runtime::kCreateObjectLiteralShallow, 4, instr);
+    CallRuntime(Runtime::kCreateObjectLiteralShallow,
+                4,
+                instr,
+                CONTEXT_ADJUSTED);
   }
 }
 
@@ -3842,7 +3856,7 @@ void LCodeGen::DoObjectLiteral(LObjectLiteral* instr) {
 void LCodeGen::DoToFastProperties(LToFastProperties* instr) {
   ASSERT(ToRegister(instr->InputAt(0)).is(eax));
   __ push(eax);
-  CallRuntime(Runtime::kToFastProperties, 1, instr);
+  CallRuntime(Runtime::kToFastProperties, 1, instr, CONTEXT_ADJUSTED);
 }
 
 
@@ -3867,7 +3881,7 @@ void LCodeGen::DoRegExpLiteral(LRegExpLiteral* instr) {
   __ push(Immediate(Smi::FromInt(instr->hydrogen()->literal_index())));
   __ push(Immediate(instr->hydrogen()->pattern()));
   __ push(Immediate(instr->hydrogen()->flags()));
-  CallRuntime(Runtime::kMaterializeRegExpLiteral, 4, instr, false);
+  CallRuntime(Runtime::kMaterializeRegExpLiteral, 4, instr, RESTORE_CONTEXT);
   __ mov(ebx, eax);
 
   __ bind(&materialized);
@@ -3879,7 +3893,7 @@ void LCodeGen::DoRegExpLiteral(LRegExpLiteral* instr) {
   __ bind(&runtime_allocate);
   __ push(ebx);
   __ push(Immediate(Smi::FromInt(size)));
-  CallRuntime(Runtime::kAllocateInNewSpace, 1, instr, false);
+  CallRuntime(Runtime::kAllocateInNewSpace, 1, instr, RESTORE_CONTEXT);
   __ pop(ebx);
 
   __ bind(&allocated);
@@ -3907,14 +3921,14 @@ void LCodeGen::DoFunctionLiteral(LFunctionLiteral* instr) {
     FastNewClosureStub stub(
         shared_info->strict_mode() ? kStrictMode : kNonStrictMode);
     __ push(Immediate(shared_info));
-    CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr, false);
+    CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr, RESTORE_CONTEXT);
   } else {
     __ push(Operand(ebp, StandardFrameConstants::kContextOffset));
     __ push(Immediate(shared_info));
     __ push(Immediate(pretenure
                       ? factory()->true_value()
                       : factory()->false_value()));
-    CallRuntime(Runtime::kNewClosure, 3, instr, false);
+    CallRuntime(Runtime::kNewClosure, 3, instr, RESTORE_CONTEXT);
   }
 }
 
@@ -3926,7 +3940,7 @@ void LCodeGen::DoTypeof(LTypeof* instr) {
   } else {
     __ push(ToOperand(input));
   }
-  CallRuntime(Runtime::kTypeof, 1, instr, false);
+  CallRuntime(Runtime::kTypeof, 1, instr, RESTORE_CONTEXT);
 }
 
 
@@ -4129,7 +4143,7 @@ void LCodeGen::DoStackCheck(LStackCheck* instr) {
   __ j(above_equal, &done);
 
   StackCheckStub stub;
-  CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr, false);
+  CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr, RESTORE_CONTEXT);
   __ bind(&done);
 }