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Diffstat (limited to 'lib/Target/CellSPU/SPUFrameInfo.h')
-rw-r--r-- | lib/Target/CellSPU/SPUFrameInfo.h | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/lib/Target/CellSPU/SPUFrameInfo.h b/lib/Target/CellSPU/SPUFrameInfo.h deleted file mode 100644 index f511acd64954..000000000000 --- a/lib/Target/CellSPU/SPUFrameInfo.h +++ /dev/null @@ -1,75 +0,0 @@ -//===-- SPUFrameInfo.h - Top-level interface for Cell SPU Target -*- 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... -// -//===----------------------------------------------------------------------===// - -#if !defined(SPUFRAMEINFO_H) - -#include "llvm/Target/TargetFrameInfo.h" -#include "llvm/Target/TargetMachine.h" -#include "SPURegisterInfo.h" - -namespace llvm { - class SPUFrameInfo: public TargetFrameInfo { - const TargetMachine &TM; - std::pair<unsigned, int> LR[1]; - - public: - SPUFrameInfo(const TargetMachine &tm); - - //! 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(); - } - //! Number of instructions required to overcome hint-for-branch latency - /*! - HBR (hint-for-branch) instructions can be inserted when, for example, - we know that a given function is going to be called, such as printf(), - in the control flow graph. HBRs are only inserted if a sufficient number - of instructions occurs between the HBR and the target. Currently, HBRs - take 6 cycles, ergo, the magic number 6. - */ - static int branchHintPenalty() { - return 6; - } - }; -} - -#define SPUFRAMEINFO_H 1 -#endif |