diff options
Diffstat (limited to 'contrib/llvm/lib/Target/PowerPC/PPCHazardRecognizers.h')
| -rw-r--r-- | contrib/llvm/lib/Target/PowerPC/PPCHazardRecognizers.h | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/contrib/llvm/lib/Target/PowerPC/PPCHazardRecognizers.h b/contrib/llvm/lib/Target/PowerPC/PPCHazardRecognizers.h index 2f81f0f..55b45d0 100644 --- a/contrib/llvm/lib/Target/PowerPC/PPCHazardRecognizers.h +++ b/contrib/llvm/lib/Target/PowerPC/PPCHazardRecognizers.h @@ -14,12 +14,28 @@ #ifndef PPCHAZRECS_H #define PPCHAZRECS_H +#include "PPCInstrInfo.h" #include "llvm/CodeGen/ScheduleHazardRecognizer.h" +#include "llvm/CodeGen/ScoreboardHazardRecognizer.h" #include "llvm/CodeGen/SelectionDAGNodes.h" -#include "PPCInstrInfo.h" namespace llvm { +/// PPCScoreboardHazardRecognizer - This class implements a scoreboard-based +/// hazard recognizer for generic PPC processors. +class PPCScoreboardHazardRecognizer : public ScoreboardHazardRecognizer { + const ScheduleDAG *DAG; +public: + PPCScoreboardHazardRecognizer(const InstrItineraryData *ItinData, + const ScheduleDAG *DAG_) : + ScoreboardHazardRecognizer(ItinData, DAG_), DAG(DAG_) {} + + virtual HazardType getHazardType(SUnit *SU, int Stalls); + virtual void EmitInstruction(SUnit *SU); + virtual void AdvanceCycle(); + virtual void Reset(); +}; + /// PPCHazardRecognizer970 - This class defines a finite state automata that /// models the dispatch logic on the PowerPC 970 (aka G5) processor. This /// promotes good dispatch group formation and implements noop insertion to @@ -42,8 +58,9 @@ class PPCHazardRecognizer970 : public ScheduleHazardRecognizer { // // This is null if we haven't seen a store yet. We keep track of both // operands of the store here, since we support [r+r] and [r+i] addressing. - SDValue StorePtr1[4], StorePtr2[4]; - unsigned StoreSize[4]; + const Value *StoreValue[4]; + int64_t StoreOffset[4]; + uint64_t StoreSize[4]; unsigned NumStores; public: @@ -51,6 +68,7 @@ public: virtual HazardType getHazardType(SUnit *SU, int Stalls); virtual void EmitInstruction(SUnit *SU); virtual void AdvanceCycle(); + virtual void Reset(); private: /// EndDispatchGroup - Called when we are finishing a new dispatch group. @@ -63,8 +81,8 @@ private: bool &isFirst, bool &isSingle,bool &isCracked, bool &isLoad, bool &isStore); - bool isLoadOfStoredAddress(unsigned LoadSize, - SDValue Ptr1, SDValue Ptr2) const; + bool isLoadOfStoredAddress(uint64_t LoadSize, int64_t LoadOffset, + const Value *LoadValue) const; }; } // end namespace llvm |
