diff options
Diffstat (limited to 'contrib/llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp')
| -rw-r--r-- | contrib/llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp | 79 |
1 files changed, 5 insertions, 74 deletions
diff --git a/contrib/llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp b/contrib/llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp index 9c2428b..2e90b7a 100644 --- a/contrib/llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp +++ b/contrib/llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp @@ -28,7 +28,6 @@ #include "llvm/CodeGen/MachineModuleInfo.h" #include "llvm/CodeGen/MachineFunction.h" #include "llvm/CodeGen/MachineFrameInfo.h" -#include "llvm/CodeGen/MachineLocation.h" #include "llvm/CodeGen/MachineRegisterInfo.h" #include "llvm/CodeGen/RegisterScavenging.h" #include "llvm/Target/TargetFrameLowering.h" @@ -68,52 +67,12 @@ PPCRegisterInfo::requiresRegisterScavenging(const MachineFunction &) const { (EnablePPC64RS && Subtarget.isPPC64())); } -/// getRegisterNumbering - Given the enum value for some register, e.g. -/// PPC::F14, return the number that it corresponds to (e.g. 14). -unsigned PPCRegisterInfo::getRegisterNumbering(unsigned RegEnum) { - using namespace PPC; - switch (RegEnum) { - case 0: return 0; - case R0 : case X0 : case F0 : case V0 : case CR0: case CR0LT: return 0; - case R1 : case X1 : case F1 : case V1 : case CR1: case CR0GT: return 1; - case R2 : case X2 : case F2 : case V2 : case CR2: case CR0EQ: return 2; - case R3 : case X3 : case F3 : case V3 : case CR3: case CR0UN: return 3; - case R4 : case X4 : case F4 : case V4 : case CR4: case CR1LT: return 4; - case R5 : case X5 : case F5 : case V5 : case CR5: case CR1GT: return 5; - case R6 : case X6 : case F6 : case V6 : case CR6: case CR1EQ: return 6; - case R7 : case X7 : case F7 : case V7 : case CR7: case CR1UN: return 7; - case R8 : case X8 : case F8 : case V8 : case CR2LT: return 8; - case R9 : case X9 : case F9 : case V9 : case CR2GT: return 9; - case R10: case X10: case F10: case V10: case CR2EQ: return 10; - case R11: case X11: case F11: case V11: case CR2UN: return 11; - case R12: case X12: case F12: case V12: case CR3LT: return 12; - case R13: case X13: case F13: case V13: case CR3GT: return 13; - case R14: case X14: case F14: case V14: case CR3EQ: return 14; - case R15: case X15: case F15: case V15: case CR3UN: return 15; - case R16: case X16: case F16: case V16: case CR4LT: return 16; - case R17: case X17: case F17: case V17: case CR4GT: return 17; - case R18: case X18: case F18: case V18: case CR4EQ: return 18; - case R19: case X19: case F19: case V19: case CR4UN: return 19; - case R20: case X20: case F20: case V20: case CR5LT: return 20; - case R21: case X21: case F21: case V21: case CR5GT: return 21; - case R22: case X22: case F22: case V22: case CR5EQ: return 22; - case R23: case X23: case F23: case V23: case CR5UN: return 23; - case R24: case X24: case F24: case V24: case CR6LT: return 24; - case R25: case X25: case F25: case V25: case CR6GT: return 25; - case R26: case X26: case F26: case V26: case CR6EQ: return 26; - case R27: case X27: case F27: case V27: case CR6UN: return 27; - case R28: case X28: case F28: case V28: case CR7LT: return 28; - case R29: case X29: case F29: case V29: case CR7GT: return 29; - case R30: case X30: case F30: case V30: case CR7EQ: return 30; - case R31: case X31: case F31: case V31: case CR7UN: return 31; - default: - llvm_unreachable("Unhandled reg in PPCRegisterInfo::getRegisterNumbering!"); - } -} - PPCRegisterInfo::PPCRegisterInfo(const PPCSubtarget &ST, const TargetInstrInfo &tii) - : PPCGenRegisterInfo(), Subtarget(ST), TII(tii) { + : PPCGenRegisterInfo(ST.isPPC64() ? PPC::LR8 : PPC::LR, + ST.isPPC64() ? 0 : 1, + ST.isPPC64() ? 0 : 1), + Subtarget(ST), TII(tii) { ImmToIdxMap[PPC::LD] = PPC::LDX; ImmToIdxMap[PPC::STD] = PPC::STDX; ImmToIdxMap[PPC::LBZ] = PPC::LBZX; ImmToIdxMap[PPC::STB] = PPC::STBX; ImmToIdxMap[PPC::LHZ] = PPC::LHZX; ImmToIdxMap[PPC::LHA] = PPC::LHAX; @@ -519,7 +478,7 @@ void PPCRegisterInfo::lowerCRSpilling(MachineBasicBlock::iterator II, // rlwinm rA, rA, ShiftBits, 0, 31. BuildMI(MBB, II, dl, TII.get(PPC::RLWINM), Reg) .addReg(Reg, RegState::Kill) - .addImm(PPCRegisterInfo::getRegisterNumbering(SrcReg) * 4) + .addImm(getPPCRegisterNumbering(SrcReg) * 4) .addImm(0) .addImm(31); @@ -668,10 +627,6 @@ PPCRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II, MI.getOperand(OperandBase + 1).ChangeToRegister(SReg, false); } -unsigned PPCRegisterInfo::getRARegister() const { - return !Subtarget.isPPC64() ? PPC::LR : PPC::LR8; -} - unsigned PPCRegisterInfo::getFrameRegister(const MachineFunction &MF) const { const TargetFrameLowering *TFI = MF.getTarget().getFrameLowering(); @@ -688,27 +643,3 @@ unsigned PPCRegisterInfo::getEHExceptionRegister() const { unsigned PPCRegisterInfo::getEHHandlerRegister() const { return !Subtarget.isPPC64() ? PPC::R4 : PPC::X4; } - -/// DWARFFlavour - Flavour of dwarf regnumbers -/// -namespace DWARFFlavour { - enum { - PPC64 = 0, PPC32 = 1 - }; -} - -int PPCRegisterInfo::getDwarfRegNum(unsigned RegNum, bool isEH) const { - // FIXME: Most probably dwarf numbers differs for Linux and Darwin - unsigned Flavour = Subtarget.isPPC64() ? - DWARFFlavour::PPC64 : DWARFFlavour::PPC32; - - return PPCGenRegisterInfo::getDwarfRegNumFull(RegNum, Flavour); -} - -int PPCRegisterInfo::getLLVMRegNum(unsigned RegNum, bool isEH) const { - // FIXME: Most probably dwarf numbers differs for Linux and Darwin - unsigned Flavour = Subtarget.isPPC64() ? - DWARFFlavour::PPC64 : DWARFFlavour::PPC32; - - return PPCGenRegisterInfo::getLLVMRegNumFull(RegNum, Flavour); -} |
