diff options
Diffstat (limited to 'deps/v8/src/compiler/backend/instruction-selector.h')
| -rw-r--r-- | deps/v8/src/compiler/backend/instruction-selector.h | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/deps/v8/src/compiler/backend/instruction-selector.h b/deps/v8/src/compiler/backend/instruction-selector.h index 16f88bb516..eb3e098427 100644 --- a/deps/v8/src/compiler/backend/instruction-selector.h +++ b/deps/v8/src/compiler/backend/instruction-selector.h @@ -12,6 +12,7 @@ #include "src/compiler/backend/instruction-scheduler.h" #include "src/compiler/backend/instruction.h" #include "src/compiler/common-operator.h" +#include "src/compiler/feedback-source.h" #include "src/compiler/linkage.h" #include "src/compiler/machine-operator.h" #include "src/compiler/node.h" @@ -60,7 +61,7 @@ class FlagsContinuation final { static FlagsContinuation ForDeoptimize(FlagsCondition condition, DeoptimizeKind kind, DeoptimizeReason reason, - VectorSlotPair const& feedback, + FeedbackSource const& feedback, Node* frame_state) { return FlagsContinuation(kFlags_deoptimize, condition, kind, reason, feedback, frame_state); @@ -69,7 +70,7 @@ class FlagsContinuation final { // Creates a new flags continuation for an eager deoptimization exit. static FlagsContinuation ForDeoptimizeAndPoison( FlagsCondition condition, DeoptimizeKind kind, DeoptimizeReason reason, - VectorSlotPair const& feedback, Node* frame_state) { + FeedbackSource const& feedback, Node* frame_state) { return FlagsContinuation(kFlags_deoptimize_and_poison, condition, kind, reason, feedback, frame_state); } @@ -110,7 +111,7 @@ class FlagsContinuation final { DCHECK(IsDeoptimize()); return reason_; } - VectorSlotPair const& feedback() const { + FeedbackSource const& feedback() const { DCHECK(IsDeoptimize()); return feedback_; } @@ -196,7 +197,7 @@ class FlagsContinuation final { FlagsContinuation(FlagsMode mode, FlagsCondition condition, DeoptimizeKind kind, DeoptimizeReason reason, - VectorSlotPair const& feedback, Node* frame_state) + FeedbackSource const& feedback, Node* frame_state) : mode_(mode), condition_(condition), kind_(kind), @@ -226,7 +227,7 @@ class FlagsContinuation final { FlagsCondition condition_; DeoptimizeKind kind_; // Only valid if mode_ == kFlags_deoptimize* DeoptimizeReason reason_; // Only valid if mode_ == kFlags_deoptimize* - VectorSlotPair feedback_; // Only valid if mode_ == kFlags_deoptimize* + FeedbackSource feedback_; // Only valid if mode_ == kFlags_deoptimize* Node* frame_state_or_result_; // Only valid if mode_ == kFlags_deoptimize* // or mode_ == kFlags_set. BasicBlock* true_block_; // Only valid if mode_ == kFlags_branch*. @@ -270,6 +271,7 @@ class V8_EXPORT_PRIVATE InstructionSelector final { InstructionSequence* sequence, Schedule* schedule, SourcePositionTable* source_positions, Frame* frame, EnableSwitchJumpTable enable_switch_jump_table, TickCounter* tick_counter, + size_t* max_unoptimized_frame_height, SourcePositionMode source_position_mode = kCallSourcePositions, Features features = SupportedFeatures(), EnableScheduling enable_scheduling = FLAG_turbo_instruction_scheduling @@ -352,7 +354,7 @@ class V8_EXPORT_PRIVATE InstructionSelector final { InstructionOperand* outputs, size_t input_count, InstructionOperand* inputs, DeoptimizeKind kind, DeoptimizeReason reason, - VectorSlotPair const& feedback, + FeedbackSource const& feedback, Node* frame_state); // =========================================================================== @@ -446,7 +448,8 @@ class V8_EXPORT_PRIVATE InstructionSelector final { // Check if we can generate loads and stores of ExternalConstants relative // to the roots register. - bool CanAddressRelativeToRootsRegister() const; + bool CanAddressRelativeToRootsRegister( + const ExternalReference& reference) const; // Check if we can use the roots register to access GC roots. bool CanUseRootsRegister() const; @@ -496,7 +499,7 @@ class V8_EXPORT_PRIVATE InstructionSelector final { void AppendDeoptimizeArguments(InstructionOperandVector* args, DeoptimizeKind kind, DeoptimizeReason reason, - VectorSlotPair const& feedback, + FeedbackSource const& feedback, Node* frame_state); void EmitTableSwitch( @@ -543,7 +546,7 @@ class V8_EXPORT_PRIVATE InstructionSelector final { void MarkAsSimd128(Node* node) { MarkAsRepresentation(MachineRepresentation::kSimd128, node); } - void MarkAsReference(Node* node) { + void MarkAsTagged(Node* node) { MarkAsRepresentation(MachineRepresentation::kTagged, node); } void MarkAsCompressed(Node* node) { @@ -621,8 +624,6 @@ class V8_EXPORT_PRIVATE InstructionSelector final { void VisitProjection(Node* node); void VisitConstant(Node* node); void VisitCall(Node* call, BasicBlock* handler = nullptr); - void VisitCallWithCallerSavedRegisters(Node* call, - BasicBlock* handler = nullptr); void VisitDeoptimizeIf(Node* node); void VisitDeoptimizeUnless(Node* node); void VisitTrapIf(Node* node, TrapId trap_id); @@ -632,7 +633,7 @@ class V8_EXPORT_PRIVATE InstructionSelector final { void VisitBranch(Node* input, BasicBlock* tbranch, BasicBlock* fbranch); void VisitSwitch(Node* node, const SwitchInfo& sw); void VisitDeoptimize(DeoptimizeKind kind, DeoptimizeReason reason, - VectorSlotPair const& feedback, Node* value); + FeedbackSource const& feedback, Node* value); void VisitReturn(Node* ret); void VisitThrow(Node* node); void VisitRetain(Node* node); @@ -640,6 +641,8 @@ class V8_EXPORT_PRIVATE InstructionSelector final { void VisitStaticAssert(Node* node); void VisitDeadValue(Node* node); + void VisitStackPointerGreaterThan(Node* node, FlagsContinuation* cont); + void VisitWordCompareZero(Node* user, Node* value, FlagsContinuation* cont); void EmitWordPoisonOnSpeculation(Node* node); @@ -782,6 +785,10 @@ class V8_EXPORT_PRIVATE InstructionSelector final { ZoneVector<std::pair<int, int>> instr_origins_; EnableTraceTurboJson trace_turbo_; TickCounter* const tick_counter_; + + // Store the maximal unoptimized frame height. Later used to apply an offset + // to stack checks. + size_t* max_unoptimized_frame_height_; }; } // namespace compiler |