Target/X86/X86FloatingPoint.cpp

141     unsigned StackTop;          // The current top of the FP stack.
162       for (unsigned i = 0; i != StackTop; ++i) {
179       return Slot < StackTop && Stack[Slot] == RegNo;
184       if (STi >= StackTop)
186       return Stack[StackTop-1-STi];
192       return StackTop - 1 - getSlot(RegNo) + X86::ST0;
198       if (StackTop >= 8)
200       Stack[StackTop] = Reg;
201       RegMap[Reg] = StackTop++;
204     bool isAtTop(unsigned RegNo) const { return getSlot(RegNo) == StackTop-1; }
216       if (RegMap[RegOnTop] >= StackTop)
218       std::swap(Stack[RegMap[RegOnTop]], Stack[StackTop-1]);
318   StackTop = 0;
459   StackTop = 0;
521     Bundle.FixCount = StackTop;
522     for (unsigned i = 0; i < StackTop; ++i)
785   if (StackTop == 0)
787   RegMap[Stack[--StackTop]] = ~0;     // Update state
822   unsigned TopReg   = Stack[StackTop-1];
826   Stack[--StackTop] = ~0;
837   for (unsigned i = 0; i < StackTop; ++i) {
862     while (StackTop) {
891   assert(StackTop == countPopulation(Mask) && "Live count mismatch");
1006     if (StackTop == 0)
1008     --StackTop;
1038     if (StackTop == 0)
1040     --StackTop;
1221   assert(UpdatedSlot < StackTop && Dest < 7);
1489     StackTop -= NumSTPopped;
1559       assert(StackTop == 1 && FirstFPRegOp == getStackEntry(0) &&
1565       StackTop = 0;
1572     if (StackTop == 1) {
1584     assert(StackTop == 2 && "Must have two values live!");
1597     StackTop = 0;