Delete Runtime_NotifyOSR.

BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/23600072

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16923 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/arm/builtins-arm.cc

@@ -891,21 +891,6 @@ void Builtins::Generate_NotifyLazyDeoptimized(MacroAssembler* masm) {
 }
 
 
-void Builtins::Generate_NotifyOSR(MacroAssembler* masm) {
-  // For now, we are relying on the fact that Runtime::NotifyOSR
-  // doesn't do any garbage collection which allows us to save/restore
-  // the registers without worrying about which of them contain
-  // pointers. This seems a bit fragile.
-  __ stm(db_w, sp, kJSCallerSaved | kCalleeSaved | lr.bit() | fp.bit());
-  {
-    FrameScope scope(masm, StackFrame::INTERNAL);
-    __ CallRuntime(Runtime::kNotifyOSR, 0);
-  }
-  __ ldm(ia_w, sp, kJSCallerSaved | kCalleeSaved | lr.bit() | fp.bit());
-  __ Ret();
-}
-
-
 void Builtins::Generate_OnStackReplacement(MacroAssembler* masm) {
   // Lookup the function in the JavaScript frame.
   __ ldr(r0, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));

src/builtins.h

@@ -107,8 +107,6 @@ enum BuiltinExtraArguments {
   V(NotifyLazyDeoptimized,          BUILTIN, UNINITIALIZED,             \
                                     Code::kNoExtraICState)              \
   V(NotifyStubFailure,              BUILTIN, UNINITIALIZED,             \
-                                    Code::kNoExtraICState)              \
-  V(NotifyOSR,                      BUILTIN, UNINITIALIZED,             \
                                     Code::kNoExtraICState)              \
                                                                         \
   V(LoadIC_Miss,                    BUILTIN, UNINITIALIZED,             \
@@ -388,7 +386,6 @@ class Builtins {
   static void Generate_NotifyDeoptimized(MacroAssembler* masm);
   static void Generate_NotifySoftDeoptimized(MacroAssembler* masm);
   static void Generate_NotifyLazyDeoptimized(MacroAssembler* masm);
-  static void Generate_NotifyOSR(MacroAssembler* masm);
   static void Generate_NotifyStubFailure(MacroAssembler* masm);
   static void Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm);
 

src/ia32/builtins-ia32.cc

@@ -630,25 +630,6 @@ void Builtins::Generate_NotifyLazyDeoptimized(MacroAssembler* masm) {
 }
 
 
-void Builtins::Generate_NotifyOSR(MacroAssembler* masm) {
-  // TODO(kasperl): Do we need to save/restore the XMM registers too?
-  // TODO(mvstanton): We should save these regs, do this in a future
-  // checkin.
-
-  // For now, we are relying on the fact that Runtime::NotifyOSR
-  // doesn't do any garbage collection which allows us to save/restore
-  // the registers without worrying about which of them contain
-  // pointers. This seems a bit fragile.
-  __ pushad();
-  {
-    FrameScope scope(masm, StackFrame::INTERNAL);
-    __ CallRuntime(Runtime::kNotifyOSR, 0);
-  }
-  __ popad();
-  __ ret(0);
-}
-
-
 void Builtins::Generate_FunctionCall(MacroAssembler* masm) {
   Factory* factory = masm->isolate()->factory();
 

src/mips/builtins-mips.cc

@@ -924,23 +924,6 @@ void Builtins::Generate_NotifyLazyDeoptimized(MacroAssembler* masm) {
 }
 
 
-void Builtins::Generate_NotifyOSR(MacroAssembler* masm) {
-  // For now, we are relying on the fact that Runtime::NotifyOSR
-  // doesn't do any garbage collection which allows us to save/restore
-  // the registers without worrying about which of them contain
-  // pointers. This seems a bit fragile.
-  RegList saved_regs =
-      (kJSCallerSaved | kCalleeSaved | ra.bit() | fp.bit()) & ~sp.bit();
-  __ MultiPush(saved_regs);
-  {
-    FrameScope scope(masm, StackFrame::INTERNAL);
-    __ CallRuntime(Runtime::kNotifyOSR, 0);
-  }
-  __ MultiPop(saved_regs);
-  __ Ret();
-}
-
-
 void Builtins::Generate_OnStackReplacement(MacroAssembler* masm) {
   // Lookup the function in the JavaScript frame.
   __ lw(a0, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));

src/runtime.cc

@@ -8443,14 +8443,6 @@ RUNTIME_FUNCTION(MaybeObject*, Runtime_NotifyDeoptimized) {
 }
 
 
-RUNTIME_FUNCTION(MaybeObject*, Runtime_NotifyOSR) {
-  SealHandleScope shs(isolate);
-  Deoptimizer* deoptimizer = Deoptimizer::Grab(isolate);
-  delete deoptimizer;
-  return isolate->heap()->undefined_value();
-}
-
-
 RUNTIME_FUNCTION(MaybeObject*, Runtime_DeoptimizeFunction) {
   HandleScope scope(isolate);
   ASSERT(args.length() == 1);

src/runtime.h

@@ -91,7 +91,6 @@ namespace internal {
   F(TryInstallRecompiledCode, 1, 1) \
   F(NotifyDeoptimized, 1, 1) \
   F(NotifyStubFailure, 0, 1) \
-  F(NotifyOSR, 0, 1) \
   F(DeoptimizeFunction, 1, 1) \
   F(ClearFunctionTypeFeedback, 1, 1) \
   F(RunningInSimulator, 0, 1) \

src/x64/builtins-x64.cc

@@ -694,21 +694,6 @@ void Builtins::Generate_NotifyLazyDeoptimized(MacroAssembler* masm) {
 }
 
 
-void Builtins::Generate_NotifyOSR(MacroAssembler* masm) {
-  // For now, we are relying on the fact that Runtime::NotifyOSR
-  // doesn't do any garbage collection which allows us to save/restore
-  // the registers without worrying about which of them contain
-  // pointers. This seems a bit fragile.
-  __ Pushad();
-  {
-    FrameScope scope(masm, StackFrame::INTERNAL);
-    __ CallRuntime(Runtime::kNotifyOSR, 0);
-  }
-  __ Popad();
-  __ ret(0);
-}
-
-
 void Builtins::Generate_FunctionCall(MacroAssembler* masm) {
   // Stack Layout:
   // rsp[0]           : Return address