Lines Matching +full:sub +full:- +full:units

1 //===--------------------- ResourceManager.cpp ------------------*- C++ -*-===//
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
10 /// The classes here represent processor resource units and their management
13 //===----------------------------------------------------------------------===//
23 #define DEBUG_TYPE "llvm-mca"
30   NextInSequenceMask &= (CandidateMask | (CandidateMask - 1));
73     ResourceSizeMask = (1ULL << Desc.NumUnits) - 1;
76   AvailableSlots = BufferSize == -1 ? 0U : static_cast<unsigned>(BufferSize);
112     : Resources(SM.getNumProcResourceKinds() - 1),
113       Strategies(SM.getNumProcResourceKinds() - 1),
114       Resource2Groups(SM.getNumProcResourceKinds() - 1, 0),
116       ResIndex2ProcResID(SM.getNumProcResourceKinds() - 1, 0),
145     Mask -= GroupMaskIdx;
148       uint64_t Unit = Mask & (-Mask);
171   return Resources[getResourceStateIndex(ResourceID)]->getNumUnits();
176 // Second, is the specific sub-resource ID.
181   assert(RS.isReady() && "No available units to select!");
188   uint64_t SubResourceID = Strategies[Index]->select(RS.getReadyMask());
195   // Mark the sub-resource referenced by RR as used.
199   // Remember to update the resource strategy for non-group resources with
200   // multiple units.
202     Strategies[RSID]->used(RR.second);
204   // If there are still available units in RR.first,
215     unsigned GroupIndex = getResourceStateIndex(Users & (-Users));
218     Strategies[GroupIndex]->used(RR.first);
220     Users &= Users - 1;
237     unsigned GroupIndex = getResourceStateIndex(Users & (-Users));
240     Users &= Users - 1;
255     uint64_t CurrentBuffer = ConsumedBuffers & (-ConsumedBuffers);
264       // We do this to simulate an in-order dispatch/issue of instructions.
273     uint64_t CurrentBuffer = ConsumedBuffers & (-ConsumedBuffers);
297       NumAvailableUnits -= NumUnits;
328         unsigned NumUnits = llvm::popcount(Resources[Index]->getReadyMask());
333       if (!it->second) {
334         BusyResourceMask |= it->first;
338       it->second--;
339       if (!it->second)
340         ConsumedResourceMask |= it->first;
377       BR.second--;