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| author | Reed Kotler <rkotler@mips.com> | 2012-12-20 04:07:42 +0000 |
|---|---|---|
| committer | Reed Kotler <rkotler@mips.com> | 2012-12-20 04:07:42 +0000 |
| commit | d019dbf75efa952bef5eba000f808b945df09821 (patch) | |
| tree | 152bc5279cc7a912268f13787b7dcfd8858894da /llvm/lib/Target/Mips/Mips16FrameLowering.cpp | |
| parent | f4236721177dcb5feab9ea572de39c1527acb252 (diff) | |
| download | llvm-d019dbf75efa952bef5eba000f808b945df09821.zip llvm-d019dbf75efa952bef5eba000f808b945df09821.tar.gz llvm-d019dbf75efa952bef5eba000f808b945df09821.tar.bz2 | |
fix most of remaining issues with large frames.
these patches are tested a lot by test-suite but
make check tests are forthcoming once the next
few patches that complete this are committed.
with the next few patches the pass rate for mips16 is
near 100%
llvm-svn: 170656
Diffstat (limited to 'llvm/lib/Target/Mips/Mips16FrameLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/Mips/Mips16FrameLowering.cpp | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/llvm/lib/Target/Mips/Mips16FrameLowering.cpp b/llvm/lib/Target/Mips/Mips16FrameLowering.cpp index d17c125..e0c51ed 100644 --- a/llvm/lib/Target/Mips/Mips16FrameLowering.cpp +++ b/llvm/lib/Target/Mips/Mips16FrameLowering.cpp @@ -12,6 +12,7 @@ //===----------------------------------------------------------------------===// #include "Mips16FrameLowering.h" +#include "Mips16InstrInfo.h" #include "MCTargetDesc/MipsBaseInfo.h" #include "MipsInstrInfo.h" #include "llvm/CodeGen/MachineFrameInfo.h" @@ -29,8 +30,8 @@ using namespace llvm; void Mips16FrameLowering::emitPrologue(MachineFunction &MF) const { MachineBasicBlock &MBB = MF.front(); MachineFrameInfo *MFI = MF.getFrameInfo(); - const MipsInstrInfo &TII = - *static_cast<const MipsInstrInfo*>(MF.getTarget().getInstrInfo()); + const Mips16InstrInfo &TII = + *static_cast<const Mips16InstrInfo*>(MF.getTarget().getInstrInfo()); MachineBasicBlock::iterator MBBI = MBB.begin(); DebugLoc dl = MBBI != MBB.end() ? MBBI->getDebugLoc() : DebugLoc(); uint64_t StackSize = MFI->getStackSize(); @@ -39,8 +40,7 @@ void Mips16FrameLowering::emitPrologue(MachineFunction &MF) const { if (StackSize == 0 && !MFI->adjustsStack()) return; // Adjust stack. - if (isInt<16>(-StackSize)) - BuildMI(MBB, MBBI, dl, TII.get(Mips::SaveRaF16)).addImm(StackSize); + TII.makeFrame(Mips::SP, StackSize, MBB, MBBI); if (hasFP(MF)) BuildMI(MBB, MBBI, dl, TII.get(Mips::MoveR3216), Mips::S0) @@ -52,8 +52,8 @@ void Mips16FrameLowering::emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const { MachineBasicBlock::iterator MBBI = MBB.getLastNonDebugInstr(); MachineFrameInfo *MFI = MF.getFrameInfo(); - const MipsInstrInfo &TII = - *static_cast<const MipsInstrInfo*>(MF.getTarget().getInstrInfo()); + const Mips16InstrInfo &TII = + *static_cast<const Mips16InstrInfo*>(MF.getTarget().getInstrInfo()); DebugLoc dl = MBBI->getDebugLoc(); uint64_t StackSize = MFI->getStackSize(); @@ -65,9 +65,8 @@ void Mips16FrameLowering::emitEpilogue(MachineFunction &MF, .addReg(Mips::S0); // Adjust stack. - if (isInt<16>(StackSize)) - // assumes stacksize multiple of 8 - BuildMI(MBB, MBBI, dl, TII.get(Mips::RestoreRaF16)).addImm(StackSize); + // assumes stacksize multiple of 8 + TII.restoreFrame(Mips::SP, StackSize, MBB, MBBI); } bool Mips16FrameLowering:: |