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Unified Diff: src/compiler/register-allocator.h

Issue 2410673002: [Turbofan] Add concept of FP register aliasing on ARM 32. (Closed)
Patch Set: Move helper fn / macro into OperandSet class. Created 4 years, 2 months ago
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Index: src/compiler/register-allocator.h
diff --git a/src/compiler/register-allocator.h b/src/compiler/register-allocator.h
index 5c425345ccf06df401da536fd331ddcbd3a60369..776b95d9c198832d1390e9902cc3544c7eba5ce0 100644
--- a/src/compiler/register-allocator.h
+++ b/src/compiler/register-allocator.h
@@ -354,6 +354,11 @@ class LiveRange : public ZoneObject {
UsePosition* NextUsePositionRegisterIsBeneficial(
LifetimePosition start) const;
+ // Returns lifetime position for which register is beneficial in this live
+ // range and which follows both start and last processed use position.
+ LifetimePosition NextLifetimePositionRegisterIsBeneficial(
+ const LifetimePosition& start) const;
+
// Returns use position for which register is beneficial in this live
// range and which precedes start.
UsePosition* PreviousUsePositionRegisterIsBeneficial(
@@ -771,12 +776,24 @@ class RegisterAllocationData final : public ZoneObject {
ZoneVector<TopLevelLiveRange*>& fixed_live_ranges() {
return fixed_live_ranges_;
}
+ ZoneVector<TopLevelLiveRange*>& fixed_float_live_ranges() {
+ return fixed_float_live_ranges_;
+ }
+ const ZoneVector<TopLevelLiveRange*>& fixed_float_live_ranges() const {
+ return fixed_float_live_ranges_;
+ }
ZoneVector<TopLevelLiveRange*>& fixed_double_live_ranges() {
return fixed_double_live_ranges_;
}
const ZoneVector<TopLevelLiveRange*>& fixed_double_live_ranges() const {
return fixed_double_live_ranges_;
}
+ ZoneVector<TopLevelLiveRange*>& fixed_simd128_live_ranges() {
+ return fixed_simd128_live_ranges_;
+ }
+ const ZoneVector<TopLevelLiveRange*>& fixed_simd128_live_ranges() const {
+ return fixed_simd128_live_ranges_;
+ }
ZoneVector<BitVector*>& live_in_sets() { return live_in_sets_; }
ZoneVector<BitVector*>& live_out_sets() { return live_out_sets_; }
ZoneVector<SpillRange*>& spill_ranges() { return spill_ranges_; }
@@ -838,7 +855,9 @@ class RegisterAllocationData final : public ZoneObject {
ZoneVector<BitVector*> live_out_sets_;
ZoneVector<TopLevelLiveRange*> live_ranges_;
ZoneVector<TopLevelLiveRange*> fixed_live_ranges_;
+ ZoneVector<TopLevelLiveRange*> fixed_float_live_ranges_;
ZoneVector<TopLevelLiveRange*> fixed_double_live_ranges_;
+ ZoneVector<TopLevelLiveRange*> fixed_simd128_live_ranges_;
ZoneVector<SpillRange*> spill_ranges_;
DelayedReferences delayed_references_;
BitVector* assigned_registers_;
@@ -1056,6 +1075,8 @@ class LinearScanAllocator final : public RegisterAllocator {
const Vector<LifetimePosition>& free_until_pos);
bool TryAllocatePreferredReg(LiveRange* range,
const Vector<LifetimePosition>& free_until_pos);
+ void GetFPRegisterSet(MachineRepresentation rep, int* num_regs,
+ int* num_codes, const int** codes) const;
void FindFreeRegistersForRange(LiveRange* range,
Vector<LifetimePosition> free_until_pos);
void ProcessCurrentRange(LiveRange* current);

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