bool LCodeGen::GenerateSafepointTable() {
- Abort("Unimplemented: %s", "GeneratePrologue");
- return false;
+ ASSERT(is_done());
+ safepoints_.Emit(masm(), StackSlotCount());
+ return !is_aborted();
}
void LCodeGen::CallCode(Handle<Code> code,
RelocInfo::Mode mode,
LInstruction* instr) {
- Abort("Unimplemented: %s", "CallCode");
+ if (instr != NULL) {
+ LPointerMap* pointers = instr->pointer_map();
+ RecordPosition(pointers->position());
+ __ call(code, mode);
+ RegisterLazyDeoptimization(instr);
+ } else {
+ LPointerMap no_pointers(0);
+ RecordPosition(no_pointers.position());
+ __ call(code, mode);
+ RecordSafepoint(&no_pointers, Safepoint::kNoDeoptimizationIndex);
+ }
+
+ // Signal that we don't inline smi code before these stubs in the
+ // optimizing code generator.
+ if (code->kind() == Code::TYPE_RECORDING_BINARY_OP_IC ||
+ code->kind() == Code::COMPARE_IC) {
+ __ nop();
+ }
}
void LCodeGen::RegisterEnvironmentForDeoptimization(LEnvironment* environment) {
- Abort("Unimplemented: %s", "RegisterEnvironmentForDeoptimization");
+ if (!environment->HasBeenRegistered()) {
+ // Physical stack frame layout:
+ // -x ............. -4 0 ..................................... y
+ // [incoming arguments] [spill slots] [pushed outgoing arguments]
+
+ // Layout of the environment:
+ // 0 ..................................................... size-1
+ // [parameters] [locals] [expression stack including arguments]
+
+ // Layout of the translation:
+ // 0 ........................................................ size - 1 + 4
+ // [expression stack including arguments] [locals] [4 words] [parameters]
+ // |>------------ translation_size ------------<|
+
+ int frame_count = 0;
+ for (LEnvironment* e = environment; e != NULL; e = e->outer()) {
+ ++frame_count;
+ }
+ Translation translation(&translations_, frame_count);
+ WriteTranslation(environment, &translation);
+ int deoptimization_index = deoptimizations_.length();
+ environment->Register(deoptimization_index, translation.index());
+ deoptimizations_.Add(environment);
+ }
}
void LCodeGen::EmitGoto(int block, LDeferredCode* deferred_stack_check) {
- Abort("Unimplemented: %s", "EmitGoto");
+ block = chunk_->LookupDestination(block);
+ int next_block = GetNextEmittedBlock(current_block_);
+ if (block != next_block) {
+ // Perform stack overflow check if this goto needs it before jumping.
+ if (deferred_stack_check != NULL) {
+ __ CompareRoot(rsp, Heap::kStackLimitRootIndex);
+ __ j(above_equal, chunk_->GetAssemblyLabel(block));
+ __ jmp(deferred_stack_check->entry());
+ deferred_stack_check->SetExit(chunk_->GetAssemblyLabel(block));
+ } else {
+ __ jmp(chunk_->GetAssemblyLabel(block));
+ }
+ }
}