Target/X86/X86FloatingPoint.cpp

136     unsigned StackTop;          // The current top of the FP stack.
178       for (unsigned i = 0; i != StackTop; ++i) {
198       return Slot < StackTop && Stack[Slot] == RegNo;
216       if (STi >= StackTop)
218       return Stack[StackTop-1-STi];
224       return StackTop - 1 - getSlot(RegNo) + X86::ST0;
230       if (StackTop >= 8)
232       Stack[StackTop] = Reg;
233       RegMap[Reg] = StackTop++;
236     bool isAtTop(unsigned RegNo) const { return getSlot(RegNo) == StackTop-1; }
248       if (RegMap[RegOnTop] >= StackTop)
250       std::swap(Stack[RegMap[RegOnTop]], Stack[StackTop-1]);
361   StackTop = 0;
500   StackTop = 0;
562     Bundle.FixCount = StackTop;
563     for (unsigned i = 0; i < StackTop; ++i)
834   if (StackTop == 0)
836   RegMap[Stack[--StackTop]] = ~0;     // Update state
871   unsigned TopReg   = Stack[StackTop-1];
875   Stack[--StackTop] = ~0;
884   for (unsigned i = 0; i < StackTop; ++i) {
909     while (StackTop) {
938   assert(StackTop == CountPopulation_32(Mask) && "Live count mismatch");
1031     if (StackTop == 0)
1033     --StackTop;
1064     if (StackTop == 0)
1066     --StackTop;
1248   assert(UpdatedSlot < StackTop && Dest < 7);
1415     // This means that StackTop does not match the hardware stack between a
1422     assert(StackTop < 8 && "Stack overflowed before FpPOP_RETVAL");
1423     if (StackTop) {
1424       std::copy_backward(Stack, Stack + StackTop, Stack + StackTop + 1);
1428     ++StackTop;
1606     StackTop -= NumSTPopped;
1669     --StackTop;
1719       assert(StackTop == 1 && FirstFPRegOp == getStackEntry(0) &&
1725       StackTop = 0;
1732     if (StackTop == 1) {
1744     assert(StackTop == 2 && "Must have two values live!");
1757     StackTop = 0;