Update V8 to r6238 as required by WebKit r75993
Change-Id: I12f638fcdd02d9102abab17d81c23cde63c08f22
diff --git a/src/x64/code-stubs-x64.cc b/src/x64/code-stubs-x64.cc
index 60ec35d..59522d2 100644
--- a/src/x64/code-stubs-x64.cc
+++ b/src/x64/code-stubs-x64.cc
@@ -988,8 +988,195 @@
Handle<Code> GetTypeRecordingBinaryOpStub(int key,
TRBinaryOpIC::TypeInfo type_info,
TRBinaryOpIC::TypeInfo result_type_info) {
+ TypeRecordingBinaryOpStub stub(key, type_info, result_type_info);
+ return stub.GetCode();
+}
+
+
+void TypeRecordingBinaryOpStub::GenerateTypeTransition(MacroAssembler* masm) {
+ __ pop(rcx); // Save return address.
+ __ push(rdx);
+ __ push(rax);
+ // Left and right arguments are now on top.
+ // Push this stub's key. Although the operation and the type info are
+ // encoded into the key, the encoding is opaque, so push them too.
+ __ Push(Smi::FromInt(MinorKey()));
+ __ Push(Smi::FromInt(op_));
+ __ Push(Smi::FromInt(operands_type_));
+
+ __ push(rcx); // Push return address.
+
+ // Patch the caller to an appropriate specialized stub and return the
+ // operation result to the caller of the stub.
+ __ TailCallExternalReference(
+ ExternalReference(IC_Utility(IC::kTypeRecordingBinaryOp_Patch)),
+ 5,
+ 1);
+}
+
+
+// Prepare for a type transition runtime call when the args are already on
+// the stack, under the return address.
+void TypeRecordingBinaryOpStub::GenerateTypeTransitionWithSavedArgs(
+ MacroAssembler* masm) {
+ __ pop(rcx); // Save return address.
+ // Left and right arguments are already on top of the stack.
+ // Push this stub's key. Although the operation and the type info are
+ // encoded into the key, the encoding is opaque, so push them too.
+ __ Push(Smi::FromInt(MinorKey()));
+ __ Push(Smi::FromInt(op_));
+ __ Push(Smi::FromInt(operands_type_));
+
+ __ push(rcx); // Push return address.
+
+ // Patch the caller to an appropriate specialized stub and return the
+ // operation result to the caller of the stub.
+ __ TailCallExternalReference(
+ ExternalReference(IC_Utility(IC::kTypeRecordingBinaryOp_Patch)),
+ 5,
+ 1);
+}
+
+
+void TypeRecordingBinaryOpStub::Generate(MacroAssembler* masm) {
+ switch (operands_type_) {
+ case TRBinaryOpIC::UNINITIALIZED:
+ GenerateTypeTransition(masm);
+ break;
+ case TRBinaryOpIC::SMI:
+ GenerateSmiStub(masm);
+ break;
+ case TRBinaryOpIC::INT32:
+ GenerateInt32Stub(masm);
+ break;
+ case TRBinaryOpIC::HEAP_NUMBER:
+ GenerateHeapNumberStub(masm);
+ break;
+ case TRBinaryOpIC::STRING:
+ GenerateStringStub(masm);
+ break;
+ case TRBinaryOpIC::GENERIC:
+ GenerateGeneric(masm);
+ break;
+ default:
+ UNREACHABLE();
+ }
+}
+
+
+const char* TypeRecordingBinaryOpStub::GetName() {
+ if (name_ != NULL) return name_;
+ const int kMaxNameLength = 100;
+ name_ = Bootstrapper::AllocateAutoDeletedArray(kMaxNameLength);
+ if (name_ == NULL) return "OOM";
+ const char* op_name = Token::Name(op_);
+ const char* overwrite_name;
+ switch (mode_) {
+ case NO_OVERWRITE: overwrite_name = "Alloc"; break;
+ case OVERWRITE_RIGHT: overwrite_name = "OverwriteRight"; break;
+ case OVERWRITE_LEFT: overwrite_name = "OverwriteLeft"; break;
+ default: overwrite_name = "UnknownOverwrite"; break;
+ }
+
+ OS::SNPrintF(Vector<char>(name_, kMaxNameLength),
+ "TypeRecordingBinaryOpStub_%s_%s_%s",
+ op_name,
+ overwrite_name,
+ TRBinaryOpIC::GetName(operands_type_));
+ return name_;
+}
+
+
+void TypeRecordingBinaryOpStub::GenerateSmiCode(MacroAssembler* masm,
+ Label* slow,
+ SmiCodeGenerateHeapNumberResults allow_heapnumber_results) {
UNIMPLEMENTED();
- return Handle<Code>::null();
+}
+
+
+void TypeRecordingBinaryOpStub::GenerateSmiStub(MacroAssembler* masm) {
+ Label call_runtime;
+
+ switch (op_) {
+ case Token::ADD:
+ case Token::SUB:
+ case Token::MUL:
+ case Token::DIV:
+ break;
+ case Token::MOD:
+ case Token::BIT_OR:
+ case Token::BIT_AND:
+ case Token::BIT_XOR:
+ case Token::SAR:
+ case Token::SHL:
+ case Token::SHR:
+ GenerateRegisterArgsPush(masm);
+ break;
+ default:
+ UNREACHABLE();
+ }
+
+ if (result_type_ == TRBinaryOpIC::UNINITIALIZED ||
+ result_type_ == TRBinaryOpIC::SMI) {
+ GenerateSmiCode(masm, &call_runtime, NO_HEAPNUMBER_RESULTS);
+ } else {
+ GenerateSmiCode(masm, &call_runtime, ALLOW_HEAPNUMBER_RESULTS);
+ }
+ __ bind(&call_runtime);
+ switch (op_) {
+ case Token::ADD:
+ case Token::SUB:
+ case Token::MUL:
+ case Token::DIV:
+ GenerateTypeTransition(masm);
+ break;
+ case Token::MOD:
+ case Token::BIT_OR:
+ case Token::BIT_AND:
+ case Token::BIT_XOR:
+ case Token::SAR:
+ case Token::SHL:
+ case Token::SHR:
+ GenerateTypeTransitionWithSavedArgs(masm);
+ break;
+ default:
+ UNREACHABLE();
+ }
+}
+
+
+void TypeRecordingBinaryOpStub::GenerateStringStub(MacroAssembler* masm) {
+ UNIMPLEMENTED();
+}
+
+
+void TypeRecordingBinaryOpStub::GenerateInt32Stub(MacroAssembler* masm) {
+ UNIMPLEMENTED();
+}
+
+
+void TypeRecordingBinaryOpStub::GenerateHeapNumberStub(MacroAssembler* masm) {
+ UNIMPLEMENTED();
+}
+
+
+void TypeRecordingBinaryOpStub::GenerateGeneric(MacroAssembler* masm) {
+ UNIMPLEMENTED();
+}
+
+
+void TypeRecordingBinaryOpStub::GenerateHeapResultAllocation(
+ MacroAssembler* masm,
+ Label* alloc_failure) {
+ UNIMPLEMENTED();
+}
+
+
+void TypeRecordingBinaryOpStub::GenerateRegisterArgsPush(MacroAssembler* masm) {
+ __ pop(rcx);
+ __ push(rdx);
+ __ push(rax);
+ __ push(rcx);
}