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author | Chris Lattner <sabre@nondot.org> | 2010-07-17 17:40:51 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2010-07-17 17:40:51 +0000 |
commit | a40ce7e394283d78bdda3d7ea728ba2ffae0ef39 (patch) | |
tree | 004c4ec4572ea1001a9e25c9f45217b02b9af8f1 /lib/Target/X86 | |
parent | d3bb335144a317bafb0f237fc8930595a855845a (diff) | |
download | external_llvm-a40ce7e394283d78bdda3d7ea728ba2ffae0ef39.zip external_llvm-a40ce7e394283d78bdda3d7ea728ba2ffae0ef39.tar.gz external_llvm-a40ce7e394283d78bdda3d7ea728ba2ffae0ef39.tar.bz2 |
doxygenify some comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108625 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86')
-rw-r--r-- | lib/Target/X86/X86FloatingPoint.cpp | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/lib/Target/X86/X86FloatingPoint.cpp b/lib/Target/X86/X86FloatingPoint.cpp index 742dfbc..a58c590 100644 --- a/lib/Target/X86/X86FloatingPoint.cpp +++ b/lib/Target/X86/X86FloatingPoint.cpp @@ -149,20 +149,20 @@ namespace { return StackTop == 0; } - // getSlot - Return the stack slot number a particular register number is - // in. + /// getSlot - Return the stack slot number a particular register number is + /// in. unsigned getSlot(unsigned RegNo) const { assert(RegNo < 8 && "Regno out of range!"); return RegMap[RegNo]; } - // isLive - Is RegNo currently live in the stack? + /// isLive - Is RegNo currently live in the stack? bool isLive(unsigned RegNo) const { unsigned Slot = getSlot(RegNo); return Slot < StackTop && Stack[Slot] == RegNo; } - // getScratchReg - Return an FP register that is not currently in use. + /// getScratchReg - Return an FP register that is not currently in use. unsigned getScratchReg() { for (int i = 7; i >= 0; --i) if (!isLive(i)) @@ -170,14 +170,14 @@ namespace { llvm_unreachable("Ran out of scratch FP registers"); } - // getStackEntry - Return the X86::FP<n> register in register ST(i). + /// getStackEntry - Return the X86::FP<n> register in register ST(i). unsigned getStackEntry(unsigned STi) const { assert(STi < StackTop && "Access past stack top!"); return Stack[StackTop-1-STi]; } - // getSTReg - Return the X86::ST(i) register which contains the specified - // FP<RegNo> register. + /// getSTReg - Return the X86::ST(i) register which contains the specified + /// FP<RegNo> register. unsigned getSTReg(unsigned RegNo) const { return StackTop - 1 - getSlot(RegNo) + llvm::X86::ST0; } @@ -218,27 +218,27 @@ namespace { BuildMI(*MBB, I, dl, TII->get(X86::LD_Frr)).addReg(STReg); } - // popStackAfter - Pop the current value off of the top of the FP stack - // after the specified instruction. + /// popStackAfter - Pop the current value off of the top of the FP stack + /// after the specified instruction. void popStackAfter(MachineBasicBlock::iterator &I); - // freeStackSlotAfter - Free the specified register from the register stack, - // so that it is no longer in a register. If the register is currently at - // the top of the stack, we just pop the current instruction, otherwise we - // store the current top-of-stack into the specified slot, then pop the top - // of stack. + /// freeStackSlotAfter - Free the specified register from the register + /// stack, so that it is no longer in a register. If the register is + /// currently at the top of the stack, we just pop the current instruction, + /// otherwise we store the current top-of-stack into the specified slot, + /// then pop the top of stack. void freeStackSlotAfter(MachineBasicBlock::iterator &I, unsigned Reg); - // freeStackSlotBefore - Just the pop, no folding. Return the inserted - // instruction. + /// freeStackSlotBefore - Just the pop, no folding. Return the inserted + /// instruction. MachineBasicBlock::iterator freeStackSlotBefore(MachineBasicBlock::iterator I, unsigned FPRegNo); - // Adjust the live registers to be the set in Mask. + /// Adjust the live registers to be the set in Mask. void adjustLiveRegs(unsigned Mask, MachineBasicBlock::iterator I); - // Shuffle the top FixCount stack entries susch that FP reg FixStack[0] is - //st(0), FP reg FixStack[1] is st(1) etc. + /// Shuffle the top FixCount stack entries susch that FP reg FixStack[0] is + /// st(0), FP reg FixStack[1] is st(1) etc. void shuffleStackTop(const unsigned char *FixStack, unsigned FixCount, MachineBasicBlock::iterator I); |