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MIPS: port Handlify the stub cache lookup and patching for CallIC and KeyedCallIC.

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Port r9729 (4aa1f5a6)

BUG=
TEST=

Review URL: http://codereview.chromium.org/8365026
Patch from Paul Lind <plind44@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9731 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
kmillikin@chromium.org 2011-10-21 08:59:32 +00:00
parent 1959409f6d
commit 6c305c244e
2 changed files with 21 additions and 35 deletions
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18
src/mips/macro-assembler-mips.cc
View File

@ -3616,24 +3616,16 @@ void MacroAssembler::InvokeFunction(JSFunction* function,
// You can't call a function without a valid frame.
ASSERT(flag == JUMP_FUNCTION || has_frame());
ASSERT(function->is_compiled());
// Get the function and setup the context.
li(a1, Operand(Handle<JSFunction>(function)));
lw(cp, FieldMemOperand(a1, JSFunction::kContextOffset));
// Invoke the cached code.
Handle<Code> code(function->code());
ParameterCount expected(function->shared()->formal_parameter_count());
if (V8::UseCrankshaft()) {
// TODO(kasperl): For now, we always call indirectly through the
// code field in the function to allow recompilation to take effect
// without changing any of the call sites.
lw(a3, FieldMemOperand(a1, JSFunction::kCodeEntryOffset));
InvokeCode(a3, expected, actual, flag, NullCallWrapper(), call_kind);
} else {
InvokeCode(code, expected, actual, RelocInfo::CODE_TARGET, flag, call_kind);
}
// We call indirectly through the code field in the function to
// allow recompilation to take effect without changing any of the
// call sites.
lw(a3, FieldMemOperand(a1, JSFunction::kCodeEntryOffset));
InvokeCode(a3, expected, actual, flag, NullCallWrapper(), call_kind);
}

38
src/mips/stub-cache-mips.cc
View File

@ -1501,9 +1501,9 @@ void CallStubCompiler::GenerateLoadFunctionFromCell(JSGlobalPropertyCell* cell,
MaybeObject* CallStubCompiler::GenerateMissBranch() {
MaybeObject* maybe_obj =
isolate()->stub_cache()->ComputeCallMiss(arguments().immediate(),
kind_,
extra_ic_state_);
isolate()->stub_cache()->TryComputeCallMiss(arguments().immediate(),
kind_,
extra_state_);
Object* obj;
if (!maybe_obj->ToObject(&obj)) return maybe_obj;
__ Jump(Handle<Code>(Code::cast(obj)), RelocInfo::CODE_TARGET);
@ -1534,7 +1534,7 @@ MaybeObject* CallStubCompiler::CompileCallField(JSObject* object,
Register reg = CheckPrototypes(object, a0, holder, a1, a3, t0, name, &miss);
GenerateFastPropertyLoad(masm(), a1, reg, holder, index);
GenerateCallFunction(masm(), object, arguments(), &miss, extra_ic_state_);
GenerateCallFunction(masm(), object, arguments(), &miss, extra_state_);
// Handle call cache miss.
__ bind(&miss);
@ -1853,7 +1853,7 @@ MaybeObject* CallStubCompiler::CompileStringCharCodeAtCall(
Label* index_out_of_range_label = &index_out_of_range;
if (kind_ == Code::CALL_IC &&
(CallICBase::StringStubState::decode(extra_ic_state_) ==
(CallICBase::StringStubState::decode(extra_state_) ==
DEFAULT_STRING_STUB)) {
index_out_of_range_label = &miss;
}
@ -1939,7 +1939,7 @@ MaybeObject* CallStubCompiler::CompileStringCharAtCall(
Label* index_out_of_range_label = &index_out_of_range;
if (kind_ == Code::CALL_IC &&
(CallICBase::StringStubState::decode(extra_ic_state_) ==
(CallICBase::StringStubState::decode(extra_state_) ==
DEFAULT_STRING_STUB)) {
index_out_of_range_label = &miss;
}
@ -2484,7 +2484,7 @@ MaybeObject* CallStubCompiler::CompileCallConstant(Object* object,
UNREACHABLE();
}
CallKind call_kind = CallICBase::Contextual::decode(extra_ic_state_)
CallKind call_kind = CallICBase::Contextual::decode(extra_state_)
? CALL_AS_FUNCTION
: CALL_AS_METHOD;
__ InvokeFunction(function, arguments(), JUMP_FUNCTION, call_kind);
@ -2521,7 +2521,7 @@ MaybeObject* CallStubCompiler::CompileCallInterceptor(JSObject* object,
// Get the receiver from the stack.
__ lw(a1, MemOperand(sp, argc * kPointerSize));
CallInterceptorCompiler compiler(this, arguments(), a2, extra_ic_state_);
CallInterceptorCompiler compiler(this, arguments(), a2, extra_state_);
MaybeObject* result = compiler.Compile(masm(),
object,
holder,
@ -2541,7 +2541,7 @@ MaybeObject* CallStubCompiler::CompileCallInterceptor(JSObject* object,
// Restore receiver.
__ lw(a0, MemOperand(sp, argc * kPointerSize));
GenerateCallFunction(masm(), object, arguments(), &miss, extra_ic_state_);
GenerateCallFunction(masm(), object, arguments(), &miss, extra_state_);
// Handle call cache miss.
__ bind(&miss);
@ -2595,23 +2595,17 @@ MaybeObject* CallStubCompiler::CompileCallGlobal(JSObject* object,
// Jump to the cached code (tail call).
Counters* counters = masm()->isolate()->counters();
__ IncrementCounter(counters->call_global_inline(), 1, a3, t0);
ASSERT(function->is_compiled());
Handle<Code> code(function->code());
ParameterCount expected(function->shared()->formal_parameter_count());
CallKind call_kind = CallICBase::Contextual::decode(extra_ic_state_)
CallKind call_kind = CallICBase::Contextual::decode(extra_state_)
? CALL_AS_FUNCTION
: CALL_AS_METHOD;
if (V8::UseCrankshaft()) {
// TODO(kasperl): For now, we always call indirectly through the
// code field in the function to allow recompilation to take effect
// without changing any of the call sites.
__ lw(a3, FieldMemOperand(a1, JSFunction::kCodeEntryOffset));
__ InvokeCode(a3, expected, arguments(), JUMP_FUNCTION,
NullCallWrapper(), call_kind);
} else {
__ InvokeCode(code, expected, arguments(), RelocInfo::CODE_TARGET,
JUMP_FUNCTION, call_kind);
}
// We call indirectly through the code field in the function to
// allow recompilation to take effect without changing any of the
// call sites.
__ lw(a3, FieldMemOperand(a1, JSFunction::kCodeEntryOffset));
__ InvokeCode(a3, expected, arguments(), JUMP_FUNCTION,
NullCallWrapper(), call_kind);
// Handle call cache miss.
__ bind(&miss);