AuroraMiddleware/v8
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[turbofan] update register allocator with auto, nullptr and ZoneVector

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Review URL: https://codereview.chromium.org/789083005

Cr-Commit-Position: refs/heads/master@{#25742}
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dcarney 2014-12-10 03:48:28 -08:00 committed by Commit bot
parent 7cff32a9bd
commit 59753fb9c1
2 changed files with 401 additions and 421 deletions
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797
src/compiler/register-allocator.cc
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25
src/compiler/register-allocator.h
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@ -452,7 +452,6 @@ class RegisterAllocator FINAL : public ZoneObject {
bool SafePointsAreInOrder() const;
// Liveness analysis support.
void InitializeLivenessAnalysis();
BitVector* ComputeLiveOut(const InstructionBlock* block);
void AddInitialIntervals(const InstructionBlock* block, BitVector* live_out);
bool IsOutputRegisterOf(Instruction* instr, int index);
@ -569,6 +568,20 @@ class RegisterAllocator FINAL : public ZoneObject {
Frame* frame() const { return frame_; }
const char* debug_name() const { return debug_name_; }
const RegisterConfiguration* config() const { return config_; }
ZoneVector<LiveRange*>& live_ranges() { return live_ranges_; }
ZoneVector<LiveRange*>& fixed_live_ranges() { return fixed_live_ranges_; }
ZoneVector<LiveRange*>& fixed_double_live_ranges() {
return fixed_double_live_ranges_;
}
ZoneVector<LiveRange*>& unhandled_live_ranges() {
return unhandled_live_ranges_;
}
ZoneVector<LiveRange*>& active_live_ranges() { return active_live_ranges_; }
ZoneVector<LiveRange*>& inactive_live_ranges() {
return inactive_live_ranges_;
}
ZoneVector<LiveRange*>& reusable_slots() { return reusable_slots_; }
ZoneVector<SpillRange*>& spill_ranges() { return spill_ranges_; }
struct PhiMapValue {
PhiMapValue(PhiInstruction* phi, const InstructionBlock* block)
@ -598,11 +611,11 @@ class RegisterAllocator FINAL : public ZoneObject {
// Lists of live ranges
ZoneVector<LiveRange*> fixed_live_ranges_;
ZoneVector<LiveRange*> fixed_double_live_ranges_;
ZoneList<LiveRange*> unhandled_live_ranges_;
ZoneList<LiveRange*> active_live_ranges_;
ZoneList<LiveRange*> inactive_live_ranges_;
ZoneList<LiveRange*> reusable_slots_;
ZoneList<SpillRange*> spill_ranges_;
ZoneVector<LiveRange*> unhandled_live_ranges_;
ZoneVector<LiveRange*> active_live_ranges_;
ZoneVector<LiveRange*> inactive_live_ranges_;
ZoneVector<LiveRange*> reusable_slots_;
ZoneVector<SpillRange*> spill_ranges_;
RegisterKind mode_;
int num_registers_;