-//==--- MipsFrameLowering.h - Define frame lowering for Mips --*- C++ -*--===//
+//===-- MipsFrameLowering.h - Define frame lowering for Mips ----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
-//===---------------------------------------------------------------------===//
+//===----------------------------------------------------------------------===//
//
//
//
-//===---------------------------------------------------------------------===//
+//===----------------------------------------------------------------------===//
#ifndef MIPS_FRAMEINFO_H
#define MIPS_FRAMEINFO_H
public:
explicit MipsFrameLowering(const MipsSubtarget &sti)
- // FIXME: Is this correct at all?
- : TargetFrameLowering(StackGrowsUp, 8, 0), STI(sti) {
+ : TargetFrameLowering(StackGrowsDown, sti.hasMips64() ? 16 : 8, 0),
+ STI(sti) {
}
- void adjustMipsStackFrame(MachineFunction &MF) const;
+ bool targetHandlesStackFrameRounding() 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;
+ bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ const std::vector<CalleeSavedInfo> &CSI,
+ const TargetRegisterInfo *TRI) const;
+
bool hasFP(const MachineFunction &MF) const;
- void processFunctionBeforeFrameFinalized(MachineFunction &MF) const;
+ void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
+ RegScavenger *RS) const;
};
} // End llvm namespace