Revert r158679 - use case is unclear (and it increases the memory footprint).

Original commit message:
    Allow up to 64 functional units per processor itinerary.

    This patch changes the type used to hold the FU bitset from unsigned to uint64_t.
    This will be needed for some upcoming PowerPC itineraries.

llvm-svn: 159027

1 files changed, 2 insertions, 2 deletions

diff --git a/llvm/lib/CodeGen/DFAPacketizer.cpp b/llvm/lib/CodeGen/DFAPacketizer.cpp
index d4775775c05..ff2f11353af 100644
--- a/llvm/lib/CodeGen/DFAPacketizer.cpp
+++ b/llvm/lib/CodeGen/DFAPacketizer.cpp
@@ -66,7 +66,7 @@ void DFAPacketizer::ReadTable(unsigned int state) {
 bool DFAPacketizer::canReserveResources(const llvm::MCInstrDesc *MID) {
   unsigned InsnClass = MID->getSchedClass();
   const llvm::InstrStage *IS = InstrItins->beginStage(InsnClass);
-  uint64_t FuncUnits = IS->getUnits();
+  unsigned FuncUnits = IS->getUnits();
   UnsignPair StateTrans = UnsignPair(CurrentState, FuncUnits);
   ReadTable(CurrentState);
   return (CachedTable.count(StateTrans) != 0);
@@ -78,7 +78,7 @@ bool DFAPacketizer::canReserveResources(const llvm::MCInstrDesc *MID) {
 void DFAPacketizer::reserveResources(const llvm::MCInstrDesc *MID) {
   unsigned InsnClass = MID->getSchedClass();
   const llvm::InstrStage *IS = InstrItins->beginStage(InsnClass);
-  uint64_t FuncUnits = IS->getUnits();
+  unsigned FuncUnits = IS->getUnits();
   UnsignPair StateTrans = UnsignPair(CurrentState, FuncUnits);
   ReadTable(CurrentState);
   assert(CachedTable.count(StateTrans) != 0);