namespace llvm {
-typedef long long cycles_t;
-static const cycles_t HUGE_LATENCY = ~((long long) 1 << (sizeof(cycles_t)-2));
-static const cycles_t INVALID_LATENCY = -HUGE_LATENCY;
+typedef long long CycleCount_t;
+static const CycleCount_t HUGE_LATENCY = ~((long long) 1 << (sizeof(CycleCount_t)-2));
+static const CycleCount_t INVALID_LATENCY = -HUGE_LATENCY;
//---------------------------------------------------------------------------
// class MachineResource
unsigned maxNumIssue;
bool isSingleIssue;
bool breaksGroup;
- cycles_t numBubbles;
+ CycleCount_t numBubbles;
// Feasible slots to use for instructions in this class.
// The size of vector S[] is `numSlots'.
MachineOpCode opCode;
bool isSingleIssue;
bool breaksGroup;
- cycles_t numBubbles;
+ CycleCount_t numBubbles;
};
// Issue restrictions for this instruction
bool isSingleIssue;
bool breaksGroup;
- cycles_t numBubbles;
+ CycleCount_t numBubbles;
// Feasible slots to use for this instruction.
std::vector<bool> feasibleSlots;
// Resource usages for this instruction, with one resource vector per cycle.
- cycles_t numCycles;
+ CycleCount_t numCycles;
std::vector<std::vector<resourceId_t> > resourcesByCycle;
private:
// int clock(void) - Profiling implementation
GenericValue lle_i_clock(FunctionType *M, const vector<GenericValue> &Args) {
- extern int clock(void);
+ extern unsigned int clock(void);
GenericValue GV; GV.IntVal = clock();
return GV;
}
}
-static cycles_t
+static CycleCount_t
ComputeMinGap(const InstrRUsage &fromRU,
const InstrRUsage &toRU)
{
- cycles_t minGap = 0;
+ CycleCount_t minGap = 0;
if (fromRU.numBubbles > 0)
minGap = fromRU.numBubbles;
if (minGap < fromRU.numCycles) {
// only need to check from cycle `minGap' onwards
- for (cycles_t gap=minGap; gap <= fromRU.numCycles-1; gap++) {
+ for (CycleCount_t gap=minGap; gap <= fromRU.numCycles-1; gap++) {
// check if instr. #2 can start executing `gap' cycles after #1
// by checking for resource conflicts in each overlapping cycle
- cycles_t numOverlap =std::min(fromRU.numCycles - gap, toRU.numCycles);
- for (cycles_t c = 0; c <= numOverlap-1; c++)
+ CycleCount_t numOverlap =std::min(fromRU.numCycles - gap, toRU.numCycles);
+ for (CycleCount_t c = 0; c <= numOverlap-1; c++)
if (RUConflict(fromRU.resourcesByCycle[gap + c],
toRU.resourcesByCycle[c])) {
// conflict found so minGap must be more than `gap'