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Unified Diff: src/stub-cache.cc

Issue 2280007: Extend CallIC to support non-constant names.... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 10 years, 6 months ago
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Index: src/stub-cache.cc
===================================================================
--- src/stub-cache.cc (revision 4791)
+++ src/stub-cache.cc (working copy)
@@ -441,9 +441,12 @@
return code;
}
+#define CALL_LOGGER_TAG(kind, type) \
+ (kind == Code::CALL_IC ? Logger::type : Logger::KEYED_##type)
Object* StubCache::ComputeCallConstant(int argc,
InLoopFlag in_loop,
+ Code::Kind kind,
String* name,
Object* object,
JSObject* holder,
@@ -462,7 +465,7 @@
}
Code::Flags flags =
- Code::ComputeMonomorphicFlags(Code::CALL_IC,
+ Code::ComputeMonomorphicFlags(kind,
CONSTANT_FUNCTION,
in_loop,
argc);
@@ -474,11 +477,12 @@
// caches.
if (!function->is_compiled()) return Failure::InternalError();
// Compile the stub - only create stubs for fully compiled functions.
- CallStubCompiler compiler(argc, in_loop);
+ CallStubCompiler compiler(argc, in_loop, kind);
code = compiler.CompileCallConstant(object, holder, function, name, check);
if (code->IsFailure()) return code;
ASSERT_EQ(flags, Code::cast(code)->flags());
- PROFILE(CodeCreateEvent(Logger::CALL_IC_TAG, Code::cast(code), name));
+ PROFILE(CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_IC_TAG),
+ Code::cast(code), name));
Object* result = map->UpdateCodeCache(name, Code::cast(code));
if (result->IsFailure()) return result;
}
@@ -488,6 +492,7 @@
Object* StubCache::ComputeCallField(int argc,
InLoopFlag in_loop,
+ Code::Kind kind,
String* name,
Object* object,
JSObject* holder,
@@ -502,20 +507,21 @@
object = holder;
}
- Code::Flags flags = Code::ComputeMonomorphicFlags(Code::CALL_IC,
+ Code::Flags flags = Code::ComputeMonomorphicFlags(kind,
FIELD,
in_loop,
argc);
Object* code = map->FindInCodeCache(name, flags);
if (code->IsUndefined()) {
- CallStubCompiler compiler(argc, in_loop);
+ CallStubCompiler compiler(argc, in_loop, kind);
code = compiler.CompileCallField(JSObject::cast(object),
holder,
index,
name);
if (code->IsFailure()) return code;
ASSERT_EQ(flags, Code::cast(code)->flags());
- PROFILE(CodeCreateEvent(Logger::CALL_IC_TAG, Code::cast(code), name));
+ PROFILE(CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_IC_TAG),
+ Code::cast(code), name));
Object* result = map->UpdateCodeCache(name, Code::cast(code));
if (result->IsFailure()) return result;
}
@@ -524,6 +530,7 @@
Object* StubCache::ComputeCallInterceptor(int argc,
+ Code::Kind kind,
String* name,
Object* object,
JSObject* holder) {
@@ -539,19 +546,20 @@
}
Code::Flags flags =
- Code::ComputeMonomorphicFlags(Code::CALL_IC,
+ Code::ComputeMonomorphicFlags(kind,
INTERCEPTOR,
NOT_IN_LOOP,
argc);
Object* code = map->FindInCodeCache(name, flags);
if (code->IsUndefined()) {
- CallStubCompiler compiler(argc, NOT_IN_LOOP);
+ CallStubCompiler compiler(argc, NOT_IN_LOOP, kind);
code = compiler.CompileCallInterceptor(JSObject::cast(object),
holder,
name);
if (code->IsFailure()) return code;
ASSERT_EQ(flags, Code::cast(code)->flags());
- PROFILE(CodeCreateEvent(Logger::CALL_IC_TAG, Code::cast(code), name));
+ PROFILE(CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_IC_TAG),
+ Code::cast(code), name));
Object* result = map->UpdateCodeCache(name, Code::cast(code));
if (result->IsFailure()) return result;
}
@@ -561,9 +569,10 @@
Object* StubCache::ComputeCallNormal(int argc,
InLoopFlag in_loop,
+ Code::Kind kind,
String* name,
JSObject* receiver) {
- Object* code = ComputeCallNormal(argc, in_loop);
+ Object* code = ComputeCallNormal(argc, in_loop, kind);
if (code->IsFailure()) return code;
return Set(name, receiver->map(), Code::cast(code));
}
@@ -571,13 +580,17 @@
Object* StubCache::ComputeCallGlobal(int argc,
InLoopFlag in_loop,
+ Code::Kind kind,
String* name,
JSObject* receiver,
GlobalObject* holder,
JSGlobalPropertyCell* cell,
JSFunction* function) {
Code::Flags flags =
- Code::ComputeMonomorphicFlags(Code::CALL_IC, NORMAL, in_loop, argc);
+ Code::ComputeMonomorphicFlags(kind,
+ NORMAL,
+ in_loop,
+ argc);
Object* code = receiver->map()->FindInCodeCache(name, flags);
if (code->IsUndefined()) {
// If the function hasn't been compiled yet, we cannot do it now
@@ -585,11 +598,12 @@
// internal error which will make sure we do not update any
// caches.
if (!function->is_compiled()) return Failure::InternalError();
- CallStubCompiler compiler(argc, in_loop);
+ CallStubCompiler compiler(argc, in_loop, kind);
code = compiler.CompileCallGlobal(receiver, holder, cell, function, name);
if (code->IsFailure()) return code;
ASSERT_EQ(flags, Code::cast(code)->flags());
- PROFILE(CodeCreateEvent(Logger::CALL_IC_TAG, Code::cast(code), name));
+ PROFILE(CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_IC_TAG),
+ Code::cast(code), name));
Object* result = receiver->map()->UpdateCodeCache(name, Code::cast(code));
if (result->IsFailure()) return result;
}
@@ -637,9 +651,11 @@
}
-Code* StubCache::FindCallInitialize(int argc, InLoopFlag in_loop) {
+Code* StubCache::FindCallInitialize(int argc,
+ InLoopFlag in_loop,
+ Code::Kind kind) {
Code::Flags flags =
- Code::ComputeFlags(Code::CALL_IC, in_loop, UNINITIALIZED, NORMAL, argc);
+ Code::ComputeFlags(kind, in_loop, UNINITIALIZED, NORMAL, argc);
Object* result = ProbeCache(flags);
ASSERT(!result->IsUndefined());
// This might be called during the marking phase of the collector
@@ -648,9 +664,11 @@
}
-Object* StubCache::ComputeCallInitialize(int argc, InLoopFlag in_loop) {
+Object* StubCache::ComputeCallInitialize(int argc,
+ InLoopFlag in_loop,
+ Code::Kind kind) {
Code::Flags flags =
- Code::ComputeFlags(Code::CALL_IC, in_loop, UNINITIALIZED, NORMAL, argc);
+ Code::ComputeFlags(kind, in_loop, UNINITIALIZED, NORMAL, argc);
Object* probe = ProbeCache(flags);
if (!probe->IsUndefined()) return probe;
StubCompiler compiler;
@@ -658,9 +676,11 @@
}
-Object* StubCache::ComputeCallPreMonomorphic(int argc, InLoopFlag in_loop) {
+Object* StubCache::ComputeCallPreMonomorphic(int argc,
+ InLoopFlag in_loop,
+ Code::Kind kind) {
Code::Flags flags =
- Code::ComputeFlags(Code::CALL_IC, in_loop, PREMONOMORPHIC, NORMAL, argc);
+ Code::ComputeFlags(kind, in_loop, PREMONOMORPHIC, NORMAL, argc);
Object* probe = ProbeCache(flags);
if (!probe->IsUndefined()) return probe;
StubCompiler compiler;
@@ -668,9 +688,11 @@
}
-Object* StubCache::ComputeCallNormal(int argc, InLoopFlag in_loop) {
+Object* StubCache::ComputeCallNormal(int argc,
+ InLoopFlag in_loop,
+ Code::Kind kind) {
Code::Flags flags =
- Code::ComputeFlags(Code::CALL_IC, in_loop, MONOMORPHIC, NORMAL, argc);
+ Code::ComputeFlags(kind, in_loop, MONOMORPHIC, NORMAL, argc);
Object* probe = ProbeCache(flags);
if (!probe->IsUndefined()) return probe;
StubCompiler compiler;
@@ -678,9 +700,11 @@
}
-Object* StubCache::ComputeCallMegamorphic(int argc, InLoopFlag in_loop) {
+Object* StubCache::ComputeCallMegamorphic(int argc,
+ InLoopFlag in_loop,
+ Code::Kind kind) {
Code::Flags flags =
- Code::ComputeFlags(Code::CALL_IC, in_loop, MEGAMORPHIC, NORMAL, argc);
+ Code::ComputeFlags(kind, in_loop, MEGAMORPHIC, NORMAL, argc);
Object* probe = ProbeCache(flags);
if (!probe->IsUndefined()) return probe;
StubCompiler compiler;
@@ -688,9 +712,11 @@
}
-Object* StubCache::ComputeCallMiss(int argc) {
- Code::Flags flags =
- Code::ComputeFlags(Code::STUB, NOT_IN_LOOP, MEGAMORPHIC, NORMAL, argc);
+Object* StubCache::ComputeCallMiss(int argc, Code::Kind kind) {
+ // MONOMORPHIC_PROTOTYPE_FAILURE state is used to make sure that miss stubs
+ // and monomorphic stubs are not mixed up together in the stub cache.
+ Code::Flags flags = Code::ComputeFlags(
+ kind, NOT_IN_LOOP, MONOMORPHIC_PROTOTYPE_FAILURE, NORMAL, argc);
Object* probe = ProbeCache(flags);
if (!probe->IsUndefined()) return probe;
StubCompiler compiler;
@@ -699,9 +725,9 @@
#ifdef ENABLE_DEBUGGER_SUPPORT
-Object* StubCache::ComputeCallDebugBreak(int argc) {
+Object* StubCache::ComputeCallDebugBreak(int argc, Code::Kind kind) {
Code::Flags flags =
- Code::ComputeFlags(Code::CALL_IC, NOT_IN_LOOP, DEBUG_BREAK, NORMAL, argc);
+ Code::ComputeFlags(kind, NOT_IN_LOOP, DEBUG_BREAK, NORMAL, argc);
Object* probe = ProbeCache(flags);
if (!probe->IsUndefined()) return probe;
StubCompiler compiler;
@@ -709,9 +735,9 @@
}
-Object* StubCache::ComputeCallDebugPrepareStepIn(int argc) {
+Object* StubCache::ComputeCallDebugPrepareStepIn(int argc, Code::Kind kind) {
Code::Flags flags =
- Code::ComputeFlags(Code::CALL_IC,
+ Code::ComputeFlags(kind,
NOT_IN_LOOP,
DEBUG_PREPARE_STEP_IN,
NORMAL,
@@ -758,8 +784,8 @@
// Support function for computing call IC miss stubs.
-Handle<Code> ComputeCallMiss(int argc) {
- CALL_HEAP_FUNCTION(StubCache::ComputeCallMiss(argc), Code);
+Handle<Code> ComputeCallMiss(int argc, Code::Kind kind) {
+ CALL_HEAP_FUNCTION(StubCache::ComputeCallMiss(argc, kind), Code);
}
@@ -966,13 +992,18 @@
Object* StubCompiler::CompileCallInitialize(Code::Flags flags) {
HandleScope scope;
int argc = Code::ExtractArgumentsCountFromFlags(flags);
- CallIC::GenerateInitialize(masm(), argc);
+ Code::Kind kind = Code::ExtractKindFromFlags(flags);
+ if (kind == Code::CALL_IC) {
+ CallIC::GenerateInitialize(masm(), argc);
+ } else {
+ KeyedCallIC::GenerateInitialize(masm(), argc);
+ }
Object* result = GetCodeWithFlags(flags, "CompileCallInitialize");
if (!result->IsFailure()) {
Counters::call_initialize_stubs.Increment();
Code* code = Code::cast(result);
USE(code);
- PROFILE(CodeCreateEvent(Logger::CALL_INITIALIZE_TAG,
+ PROFILE(CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_INITIALIZE_TAG),
code, code->arguments_count()));
}
return result;
@@ -984,13 +1015,18 @@
int argc = Code::ExtractArgumentsCountFromFlags(flags);
// The code of the PreMonomorphic stub is the same as the code
// of the Initialized stub. They just differ on the code object flags.
- CallIC::GenerateInitialize(masm(), argc);
+ Code::Kind kind = Code::ExtractKindFromFlags(flags);
+ if (kind == Code::CALL_IC) {
+ CallIC::GenerateInitialize(masm(), argc);
+ } else {
+ KeyedCallIC::GenerateInitialize(masm(), argc);
+ }
Object* result = GetCodeWithFlags(flags, "CompileCallPreMonomorphic");
if (!result->IsFailure()) {
Counters::call_premonomorphic_stubs.Increment();
Code* code = Code::cast(result);
USE(code);
- PROFILE(CodeCreateEvent(Logger::CALL_PRE_MONOMORPHIC_TAG,
+ PROFILE(CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_PRE_MONOMORPHIC_TAG),
code, code->arguments_count()));
}
return result;
@@ -1000,13 +1036,18 @@
Object* StubCompiler::CompileCallNormal(Code::Flags flags) {
HandleScope scope;
int argc = Code::ExtractArgumentsCountFromFlags(flags);
- CallIC::GenerateNormal(masm(), argc);
+ Code::Kind kind = Code::ExtractKindFromFlags(flags);
+ if (kind == Code::CALL_IC) {
+ CallIC::GenerateNormal(masm(), argc);
+ } else {
+ KeyedCallIC::GenerateNormal(masm(), argc);
+ }
Object* result = GetCodeWithFlags(flags, "CompileCallNormal");
if (!result->IsFailure()) {
Counters::call_normal_stubs.Increment();
Code* code = Code::cast(result);
USE(code);
- PROFILE(CodeCreateEvent(Logger::CALL_NORMAL_TAG,
+ PROFILE(CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_NORMAL_TAG),
code, code->arguments_count()));
}
return result;
@@ -1016,13 +1057,19 @@
Object* StubCompiler::CompileCallMegamorphic(Code::Flags flags) {
HandleScope scope;
int argc = Code::ExtractArgumentsCountFromFlags(flags);
- CallIC::GenerateMegamorphic(masm(), argc);
+ Code::Kind kind = Code::ExtractKindFromFlags(flags);
+ if (kind == Code::CALL_IC) {
+ CallIC::GenerateMegamorphic(masm(), argc);
+ } else {
+ KeyedCallIC::GenerateMegamorphic(masm(), argc);
+ }
+
Object* result = GetCodeWithFlags(flags, "CompileCallMegamorphic");
if (!result->IsFailure()) {
Counters::call_megamorphic_stubs.Increment();
Code* code = Code::cast(result);
USE(code);
- PROFILE(CodeCreateEvent(Logger::CALL_MEGAMORPHIC_TAG,
+ PROFILE(CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_MEGAMORPHIC_TAG),
code, code->arguments_count()));
}
return result;
@@ -1032,13 +1079,18 @@
Object* StubCompiler::CompileCallMiss(Code::Flags flags) {
HandleScope scope;
int argc = Code::ExtractArgumentsCountFromFlags(flags);
- CallIC::GenerateMiss(masm(), argc);
+ Code::Kind kind = Code::ExtractKindFromFlags(flags);
+ if (kind == Code::CALL_IC) {
+ CallIC::GenerateMiss(masm(), argc);
+ } else {
+ KeyedCallIC::GenerateMiss(masm(), argc);
+ }
Object* result = GetCodeWithFlags(flags, "CompileCallMiss");
if (!result->IsFailure()) {
Counters::call_megamorphic_stubs.Increment();
Code* code = Code::cast(result);
USE(code);
- PROFILE(CodeCreateEvent(Logger::CALL_MISS_TAG,
+ PROFILE(CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_MISS_TAG),
code, code->arguments_count()));
}
return result;
@@ -1053,7 +1105,8 @@
if (!result->IsFailure()) {
Code* code = Code::cast(result);
USE(code);
- PROFILE(CodeCreateEvent(Logger::CALL_DEBUG_BREAK_TAG,
+ Code::Kind kind = Code::ExtractKindFromFlags(flags);
+ PROFILE(CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_DEBUG_BREAK_TAG),
code, code->arguments_count()));
}
return result;
@@ -1065,18 +1118,26 @@
// Use the same code for the the step in preparations as we do for
// the miss case.
int argc = Code::ExtractArgumentsCountFromFlags(flags);
- CallIC::GenerateMiss(masm(), argc);
+ Code::Kind kind = Code::ExtractKindFromFlags(flags);
+ if (kind == Code::CALL_IC) {
+ CallIC::GenerateMiss(masm(), argc);
+ } else {
+ KeyedCallIC::GenerateMiss(masm(), argc);
+ }
Object* result = GetCodeWithFlags(flags, "CompileCallDebugPrepareStepIn");
if (!result->IsFailure()) {
Code* code = Code::cast(result);
USE(code);
- PROFILE(CodeCreateEvent(Logger::CALL_DEBUG_PREPARE_STEP_IN_TAG,
- code, code->arguments_count()));
+ PROFILE(CodeCreateEvent(
+ CALL_LOGGER_TAG(kind, CALL_DEBUG_PREPARE_STEP_IN_TAG),
+ code,
+ code->arguments_count()));
}
return result;
}
#endif
+#undef CALL_LOGGER_TAG
Object* StubCompiler::GetCodeWithFlags(Code::Flags flags, const char* name) {
// Check for allocation failures during stub compilation.
@@ -1167,7 +1228,7 @@
Object* CallStubCompiler::GetCode(PropertyType type, String* name) {
int argc = arguments_.immediate();
- Code::Flags flags = Code::ComputeMonomorphicFlags(Code::CALL_IC,
+ Code::Flags flags = Code::ComputeMonomorphicFlags(kind_,
type,
in_loop_,
argc);
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