Handlify the remaining stub compiler functions for call ICs.

Handlify StubCompiler functions for CallIC and KeyedCallIC cases
Megamorphic, Arguments, DebugBreak, and DebugPrepareStepIn.

R=ulan@chromium.org
BUG=
TEST=

Review URL: http://codereview.chromium.org/8372029

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9750 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/arm/ic-arm.cc

@@ -382,10 +382,10 @@ Object* CallIC_Miss(Arguments args);
 
 // The generated code does not accept smi keys.
 // The generated code falls through if both probes miss.
-static void GenerateMonomorphicCacheProbe(MacroAssembler* masm,
-                                          int argc,
-                                          Code::Kind kind,
-                                          Code::ExtraICState extra_ic_state) {
+void CallICBase::GenerateMonomorphicCacheProbe(MacroAssembler* masm,
+                                               int argc,
+                                               Code::Kind kind,
+                                               Code::ExtraICState extra_state) {
   // ----------- S t a t e -------------
   //  -- r1    : receiver
   //  -- r2    : name
@@ -395,7 +395,7 @@ static void GenerateMonomorphicCacheProbe(MacroAssembler* masm,
   // Probe the stub cache.
   Code::Flags flags = Code::ComputeFlags(kind,
                                          MONOMORPHIC,
-                                         extra_ic_state,
+                                         extra_state,
                                          NORMAL,
                                          argc);
   Isolate::Current()->stub_cache()->GenerateProbe(

src/ia32/ic-ia32.cc

@@ -860,10 +860,10 @@ void KeyedStoreIC::GenerateGeneric(MacroAssembler* masm,
 
 // The generated code does not accept smi keys.
 // The generated code falls through if both probes miss.
-static void GenerateMonomorphicCacheProbe(MacroAssembler* masm,
-                                          int argc,
-                                          Code::Kind kind,
-                                          Code::ExtraICState extra_ic_state) {
+void CallICBase::GenerateMonomorphicCacheProbe(MacroAssembler* masm,
+                                               int argc,
+                                               Code::Kind kind,
+                                               Code::ExtraICState extra_state) {
   // ----------- S t a t e -------------
   //  -- ecx                 : name
   //  -- edx                 : receiver
@@ -873,11 +873,11 @@ static void GenerateMonomorphicCacheProbe(MacroAssembler* masm,
   // Probe the stub cache.
   Code::Flags flags = Code::ComputeFlags(kind,
                                          MONOMORPHIC,
-                                         extra_ic_state,
+                                         extra_state,
                                          NORMAL,
                                          argc);
-  Isolate::Current()->stub_cache()->GenerateProbe(masm, flags, edx, ecx, ebx,
-                                                  eax);
+  Isolate* isolate = masm->isolate();
+  isolate->stub_cache()->GenerateProbe(masm, flags, edx, ecx, ebx, eax);
 
   // If the stub cache probing failed, the receiver might be a value.
   // For value objects, we use the map of the prototype objects for
@@ -903,9 +903,9 @@ static void GenerateMonomorphicCacheProbe(MacroAssembler* masm,
 
   // Check for boolean.
   __ bind(&non_string);
-  __ cmp(edx, FACTORY->true_value());
+  __ cmp(edx, isolate->factory()->true_value());
   __ j(equal, &boolean);
-  __ cmp(edx, FACTORY->false_value());
+  __ cmp(edx, isolate->factory()->false_value());
   __ j(not_equal, &miss);
   __ bind(&boolean);
   StubCompiler::GenerateLoadGlobalFunctionPrototype(
@@ -913,8 +913,7 @@ static void GenerateMonomorphicCacheProbe(MacroAssembler* masm,
 
   // Probe the stub cache for the value object.
   __ bind(&probe);
-  Isolate::Current()->stub_cache()->GenerateProbe(masm, flags, edx, ecx, ebx,
-                                                  no_reg);
+  isolate->stub_cache()->GenerateProbe(masm, flags, edx, ecx, ebx, no_reg);
   __ bind(&miss);
 }
 
@@ -1044,7 +1043,7 @@ void CallICBase::GenerateMiss(MacroAssembler* masm,
 
 void CallIC::GenerateMegamorphic(MacroAssembler* masm,
                                  int argc,
-                                 Code::ExtraICState extra_ic_state) {
+                                 Code::ExtraICState extra_state) {
   // ----------- S t a t e -------------
   //  -- ecx                 : name
   //  -- esp[0]              : return address
@@ -1055,9 +1054,10 @@ void CallIC::GenerateMegamorphic(MacroAssembler* masm,
 
   // Get the receiver of the function from the stack; 1 ~ return address.
   __ mov(edx, Operand(esp, (argc + 1) * kPointerSize));
-  GenerateMonomorphicCacheProbe(masm, argc, Code::CALL_IC, extra_ic_state);
+  CallICBase::GenerateMonomorphicCacheProbe(masm, argc, Code::CALL_IC,
+                                            extra_state);
 
-  GenerateMiss(masm, argc, extra_ic_state);
+  GenerateMiss(masm, argc, extra_state);
 }
 
 
@@ -1159,10 +1159,8 @@ void KeyedCallIC::GenerateMegamorphic(MacroAssembler* masm, int argc) {
 
   __ bind(&lookup_monomorphic_cache);
   __ IncrementCounter(counters->keyed_call_generic_lookup_cache(), 1);
-  GenerateMonomorphicCacheProbe(masm,
-                                argc,
-                                Code::KEYED_CALL_IC,
-                                Code::kNoExtraICState);
+  CallICBase::GenerateMonomorphicCacheProbe(masm, argc, Code::KEYED_CALL_IC,
+                                            Code::kNoExtraICState);
   // Fall through on miss.
 
   __ bind(&slow_call);

src/ia32/stub-cache-ia32.cc

@@ -165,25 +165,23 @@ void StubCache::GenerateProbe(MacroAssembler* masm,
                               Register scratch,
                               Register extra,
                               Register extra2) {
-  Isolate* isolate = Isolate::Current();
   Label miss;
-  USE(extra2);  // The register extra2 is not used on the ia32 platform.
 
-  // Make sure that code is valid. The shifting code relies on the
-  // entry size being 8.
+  // Assert that code is valid.  The shifting code relies on the entry size
+  // being 8.
   ASSERT(sizeof(Entry) == 8);
 
-  // Make sure the flags does not name a specific type.
+  // Assert the flags do not name a specific type.
   ASSERT(Code::ExtractTypeFromFlags(flags) == 0);
 
-  // Make sure that there are no register conflicts.
+  // Assert that there are no register conflicts.
   ASSERT(!scratch.is(receiver));
   ASSERT(!scratch.is(name));
   ASSERT(!extra.is(receiver));
   ASSERT(!extra.is(name));
   ASSERT(!extra.is(scratch));
 
-  // Check scratch and extra registers are valid, and extra2 is unused.
+  // Assert scratch and extra registers are valid, and extra2 is unused.
   ASSERT(!scratch.is(no_reg));
   ASSERT(extra2.is(no_reg));
 
@@ -197,7 +195,7 @@ void StubCache::GenerateProbe(MacroAssembler* masm,
   __ and_(scratch, (kPrimaryTableSize - 1) << kHeapObjectTagSize);
 
   // Probe the primary table.
-  ProbeTable(isolate, masm, flags, kPrimary, name, scratch, extra);
+  ProbeTable(isolate(), masm, flags, kPrimary, name, scratch, extra);
 
   // Primary miss: Compute hash for secondary probe.
   __ mov(scratch, FieldOperand(name, String::kHashFieldOffset));
@@ -209,7 +207,7 @@ void StubCache::GenerateProbe(MacroAssembler* masm,
   __ and_(scratch, (kSecondaryTableSize - 1) << kHeapObjectTagSize);
 
   // Probe the secondary table.
-  ProbeTable(isolate, masm, flags, kSecondary, name, scratch, extra);
+  ProbeTable(isolate(), masm, flags, kSecondary, name, scratch, extra);
 
   // Cache miss: Fall-through and let caller handle the miss by
   // entering the runtime system.

src/ic.h

@@ -245,6 +245,11 @@ class CallICBase: public IC {
 
   static void GenerateNormal(MacroAssembler* masm, int argc);
 
+  static void GenerateMonomorphicCacheProbe(MacroAssembler* masm,
+                                            int argc,
+                                            Code::Kind kind,
+                                            Code::ExtraICState extra_state);
+
   Code::Kind kind_;
 
   friend class IC;

src/mips/ic-mips.cc

@@ -384,10 +384,10 @@ Object* CallIC_Miss(Arguments args);
 
 // The generated code does not accept smi keys.
 // The generated code falls through if both probes miss.
-static void GenerateMonomorphicCacheProbe(MacroAssembler* masm,
-                                          int argc,
-                                          Code::Kind kind,
-                                          Code::ExtraICState extra_ic_state) {
+void CallICBase::GenerateMonomorphicCacheProbe(MacroAssembler* masm,
+                                               int argc,
+                                               Code::Kind kind,
+                                               Code::ExtraICState extra_state) {
   // ----------- S t a t e -------------
   //  -- a1    : receiver
   //  -- a2    : name
@@ -397,7 +397,7 @@ static void GenerateMonomorphicCacheProbe(MacroAssembler* masm,
   // Probe the stub cache.
   Code::Flags flags = Code::ComputeFlags(kind,
                                          MONOMORPHIC,
-                                         extra_ic_state,
+                                         extra_state,
                                          NORMAL,
                                          argc);
   Isolate::Current()->stub_cache()->GenerateProbe(

src/stub-cache.cc

@@ -1508,14 +1508,6 @@ Handle<Code> StubCompiler::CompileCallNormal(Code::Flags flags) {
 
 
 Handle<Code> StubCompiler::CompileCallMegamorphic(Code::Flags flags) {
-  CALL_HEAP_FUNCTION(isolate(),
-                     (set_failure(NULL), TryCompileCallMegamorphic(flags)),
-                     Code);
-}
-
-
-MaybeObject* StubCompiler::TryCompileCallMegamorphic(Code::Flags flags) {
-  HandleScope scope(isolate());
   int argc = Code::ExtractArgumentsCountFromFlags(flags);
   Code::Kind kind = Code::ExtractKindFromFlags(flags);
   Code::ExtraICState extra_state = Code::ExtractExtraICStateFromFlags(flags);
@@ -1524,46 +1516,26 @@ MaybeObject* StubCompiler::TryCompileCallMegamorphic(Code::Flags flags) {
   } else {
     KeyedCallIC::GenerateMegamorphic(masm(), argc);
   }
-  Object* result;
-  { MaybeObject* maybe_result =
-        TryGetCodeWithFlags(flags, "CompileCallMegamorphic");
-    if (!maybe_result->ToObject(&result)) return maybe_result;
-  }
+  Handle<Code> code = GetCodeWithFlags(flags, "CompileCallMegamorphic");
   isolate()->counters()->call_megamorphic_stubs()->Increment();
-  Code* code = Code::cast(result);
-  USE(code);
   PROFILE(isolate(),
           CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_MEGAMORPHIC_TAG),
-                          code, code->arguments_count()));
-  GDBJIT(AddCode(GDBJITInterface::CALL_MEGAMORPHIC, Code::cast(code)));
-  return result;
+                          *code, code->arguments_count()));
+  GDBJIT(AddCode(GDBJITInterface::CALL_MEGAMORPHIC, *code));
+  return code;
 }
 
 
 Handle<Code> StubCompiler::CompileCallArguments(Code::Flags flags) {
-  CALL_HEAP_FUNCTION(isolate(),
-                     (set_failure(NULL), TryCompileCallArguments(flags)),
-                     Code);
-}
-
-
-MaybeObject* StubCompiler::TryCompileCallArguments(Code::Flags flags) {
-  HandleScope scope(isolate());
   int argc = Code::ExtractArgumentsCountFromFlags(flags);
   KeyedCallIC::GenerateNonStrictArguments(masm(), argc);
-  Code::Kind kind = Code::ExtractKindFromFlags(flags);
-  Object* result;
-  { MaybeObject* maybe_result =
-        TryGetCodeWithFlags(flags, "CompileCallArguments");
-    if (!maybe_result->ToObject(&result)) return maybe_result;
-  }
-  Code* code = Code::cast(result);
-  USE(code);
+  Handle<Code> code = GetCodeWithFlags(flags, "CompileCallArguments");
   PROFILE(isolate(),
-          CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_MEGAMORPHIC_TAG),
-                          code, code->arguments_count()));
-  GDBJIT(AddCode(GDBJITInterface::CALL_MEGAMORPHIC, Code::cast(code)));
-  return result;
+          CodeCreateEvent(CALL_LOGGER_TAG(Code::ExtractKindFromFlags(flags),
+                                          CALL_MEGAMORPHIC_TAG),
+                          *code, code->arguments_count()));
+  GDBJIT(AddCode(GDBJITInterface::CALL_MEGAMORPHIC, *code));
+  return code;
 }
 
 
@@ -1615,43 +1587,19 @@ MaybeObject* StubCompiler::TryCompileCallMiss(Code::Flags flags) {
 
 #ifdef ENABLE_DEBUGGER_SUPPORT
 Handle<Code> StubCompiler::CompileCallDebugBreak(Code::Flags flags) {
-  CALL_HEAP_FUNCTION(isolate(),
-                     (set_failure(NULL), TryCompileCallDebugBreak(flags)),
-                     Code);
-}
-
-
-MaybeObject* StubCompiler::TryCompileCallDebugBreak(Code::Flags flags) {
-  HandleScope scope(isolate());
   Debug::GenerateCallICDebugBreak(masm());
-  Object* result;
-  { MaybeObject* maybe_result =
-        TryGetCodeWithFlags(flags, "CompileCallDebugBreak");
-    if (!maybe_result->ToObject(&result)) return maybe_result;
-  }
-  Code* code = Code::cast(result);
-  USE(code);
-  Code::Kind kind = Code::ExtractKindFromFlags(flags);
-  USE(kind);
+  Handle<Code> code = GetCodeWithFlags(flags, "CompileCallDebugBreak");
   PROFILE(isolate(),
-          CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_DEBUG_BREAK_TAG),
-                          code, code->arguments_count()));
-  return result;
+          CodeCreateEvent(CALL_LOGGER_TAG(Code::ExtractKindFromFlags(flags),
+                                          CALL_DEBUG_BREAK_TAG),
+                          *code, code->arguments_count()));
+  return code;
 }
 
 
 Handle<Code> StubCompiler::CompileCallDebugPrepareStepIn(Code::Flags flags) {
-  CALL_HEAP_FUNCTION(
-      isolate(),
-      (set_failure(NULL), TryCompileCallDebugPrepareStepIn(flags)),
-      Code);
-}
-
-
-MaybeObject* StubCompiler::TryCompileCallDebugPrepareStepIn(Code::Flags flags) {
-  HandleScope scope(isolate());
-  // Use the same code for the the step in preparations as we do for
-  // the miss case.
+  // Use the same code for the the step in preparations as we do for the
+  // miss case.
   int argc = Code::ExtractArgumentsCountFromFlags(flags);
   Code::Kind kind = Code::ExtractKindFromFlags(flags);
   if (kind == Code::CALL_IC) {
@@ -1660,24 +1608,19 @@ MaybeObject* StubCompiler::TryCompileCallDebugPrepareStepIn(Code::Flags flags) {
   } else {
     KeyedCallIC::GenerateMiss(masm(), argc);
   }
-  Object* result;
-  { MaybeObject* maybe_result =
-        TryGetCodeWithFlags(flags, "CompileCallDebugPrepareStepIn");
-    if (!maybe_result->ToObject(&result)) return maybe_result;
-  }
-  Code* code = Code::cast(result);
-  USE(code);
+  Handle<Code> code = GetCodeWithFlags(flags, "CompileCallDebugPrepareStepIn");
   PROFILE(isolate(),
           CodeCreateEvent(
               CALL_LOGGER_TAG(kind, CALL_DEBUG_PREPARE_STEP_IN_TAG),
-              code,
+              *code,
               code->arguments_count()));
-  return result;
+  return code;
 }
-#endif
+#endif  // ENABLE_DEBUGGER_SUPPORT
 
 #undef CALL_LOGGER_TAG
 
+
 Handle<Code> StubCompiler::GetCodeWithFlags(Code::Flags flags,
                                             const char* name) {
   // Create code object in the heap.

src/stub-cache.h

@@ -392,17 +392,11 @@ class StubCompiler BASE_EMBEDDED {
   Handle<Code> CompileCallArguments(Code::Flags flags);
   Handle<Code> CompileCallMiss(Code::Flags flags);
 
-  MUST_USE_RESULT MaybeObject* TryCompileCallMegamorphic(Code::Flags flags);
-  MUST_USE_RESULT MaybeObject* TryCompileCallArguments(Code::Flags flags);
   MUST_USE_RESULT MaybeObject* TryCompileCallMiss(Code::Flags flags);
 
 #ifdef ENABLE_DEBUGGER_SUPPORT
   Handle<Code> CompileCallDebugBreak(Code::Flags flags);
   Handle<Code> CompileCallDebugPrepareStepIn(Code::Flags flags);
-
-  MUST_USE_RESULT MaybeObject* TryCompileCallDebugBreak(Code::Flags flags);
-  MUST_USE_RESULT MaybeObject* TryCompileCallDebugPrepareStepIn(
-      Code::Flags flags);
 #endif
 
   // Static functions for generating parts of stubs.

src/x64/ic-x64.cc

@@ -735,10 +735,10 @@ void KeyedStoreIC::GenerateGeneric(MacroAssembler* masm,
 
 // The generated code does not accept smi keys.
 // The generated code falls through if both probes miss.
-static void GenerateMonomorphicCacheProbe(MacroAssembler* masm,
-                                          int argc,
-                                          Code::Kind kind,
-                                          Code::ExtraICState extra_ic_state) {
+void CallICBase::GenerateMonomorphicCacheProbe(MacroAssembler* masm,
+                                               int argc,
+                                               Code::Kind kind,
+                                               Code::ExtraICState extra_state) {
   // ----------- S t a t e -------------
   // rcx                      : function name
   // rdx                      : receiver
@@ -748,7 +748,7 @@ static void GenerateMonomorphicCacheProbe(MacroAssembler* masm,
   // Probe the stub cache.
   Code::Flags flags = Code::ComputeFlags(kind,
                                          MONOMORPHIC,
-                                         extra_ic_state,
+                                         extra_state,
                                          NORMAL,
                                          argc);
   Isolate::Current()->stub_cache()->GenerateProbe(masm, flags, rdx, rcx, rbx,