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-rw-r--r--lib/Target/CellSPU/SPUFrameLowering.h80
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diff --git a/lib/Target/CellSPU/SPUFrameLowering.h b/lib/Target/CellSPU/SPUFrameLowering.h
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--- a/lib/Target/CellSPU/SPUFrameLowering.h
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-//===-- SPUFrameLowering.h - SPU Frame Lowering stuff ----------*- C++ -*--===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file contains CellSPU frame information that doesn't fit anywhere else
-// cleanly...
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef SPU_FRAMEINFO_H
-#define SPU_FRAMEINFO_H
-
-#include "SPURegisterInfo.h"
-#include "llvm/Target/TargetFrameLowering.h"
-#include "llvm/Target/TargetMachine.h"
-
-namespace llvm {
- class SPUSubtarget;
-
- class SPUFrameLowering: public TargetFrameLowering {
- const SPUSubtarget &Subtarget;
- std::pair<unsigned, int> LR[1];
-
- public:
- SPUFrameLowering(const SPUSubtarget &sti);
-
- //! Determine the frame's layour
- void determineFrameLayout(MachineFunction &MF) const;
-
- /// emitProlog/emitEpilog - These methods insert prolog and epilog code into
- /// the function.
- void emitPrologue(MachineFunction &MF) const;
- void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
-
- //! Prediate: Target has dedicated frame pointer
- bool hasFP(const MachineFunction &MF) const;
-
- void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
- RegScavenger *RS = NULL) const;
-
- //! Return a function's saved spill slots
- /*!
- For CellSPU, a function's saved spill slots is just the link register.
- */
- const std::pair<unsigned, int> *
- getCalleeSaveSpillSlots(unsigned &NumEntries) const;
-
- //! Stack slot size (16 bytes)
- static int stackSlotSize() {
- return 16;
- }
- //! Maximum frame offset representable by a signed 10-bit integer
- /*!
- This is the maximum frame offset that can be expressed as a 10-bit
- integer, used in D-form addresses.
- */
- static int maxFrameOffset() {
- return ((1 << 9) - 1) * stackSlotSize();
- }
- //! Minimum frame offset representable by a signed 10-bit integer
- static int minFrameOffset() {
- return -(1 << 9) * stackSlotSize();
- }
- //! Minimum frame size (enough to spill LR + SP)
- static int minStackSize() {
- return (2 * stackSlotSize());
- }
- //! Convert frame index to stack offset
- static int FItoStackOffset(int frame_index) {
- return frame_index * stackSlotSize();
- }
- };
-}
-
-#endif