diff options
Diffstat (limited to 'lib/Target/PowerPC/PPCRegisterInfo.cpp')
-rw-r--r-- | lib/Target/PowerPC/PPCRegisterInfo.cpp | 24 |
1 files changed, 7 insertions, 17 deletions
diff --git a/lib/Target/PowerPC/PPCRegisterInfo.cpp b/lib/Target/PowerPC/PPCRegisterInfo.cpp index 9745235525..df245cc655 100644 --- a/lib/Target/PowerPC/PPCRegisterInfo.cpp +++ b/lib/Target/PowerPC/PPCRegisterInfo.cpp @@ -71,7 +71,7 @@ PPCRegisterInfo::PPCRegisterInfo(const PPCSubtarget &ST, : PPCGenRegisterInfo(ST.isPPC64() ? PPC::LR8 : PPC::LR, ST.isPPC64() ? 0 : 1, ST.isPPC64() ? 0 : 1), - Subtarget(ST), TII(tii), CRSpillFrameIdx(0) { + 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; @@ -111,11 +111,6 @@ PPCRegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const { return Subtarget.isPPC64() ? CSR_Darwin64_SaveList : CSR_Darwin32_SaveList; - // For 32-bit SVR4, also initialize the frame index associated with - // the CR spill slot. - if (!Subtarget.isPPC64()) - CRSpillFrameIdx = 0; - return Subtarget.isPPC64() ? CSR_SVR464_SaveList : CSR_SVR432_SaveList; } @@ -450,19 +445,14 @@ PPCRegisterInfo::hasReservedSpillSlot(const MachineFunction &MF, // For the nonvolatile condition registers (CR2, CR3, CR4) in an SVR4 // ABI, return true to prevent allocating an additional frame slot. // For 64-bit, the CR save area is at SP+8; the value of FrameIdx = 0 - // is arbitrary and will be subsequently ignored. For 32-bit, we must - // create exactly one stack slot and return its FrameIdx for all - // nonvolatiles. + // is arbitrary and will be subsequently ignored. For 32-bit, we have + // previously created the stack slot if needed, so return its FrameIdx. if (Subtarget.isSVR4ABI() && PPC::CR2 <= Reg && Reg <= PPC::CR4) { - if (Subtarget.isPPC64()) { + if (Subtarget.isPPC64()) FrameIdx = 0; - } else if (CRSpillFrameIdx) { - FrameIdx = CRSpillFrameIdx; - } else { - MachineFrameInfo *MFI = - (const_cast<MachineFunction &>(MF)).getFrameInfo(); - FrameIdx = MFI->CreateFixedObject((uint64_t)4, (int64_t)-4, true); - CRSpillFrameIdx = FrameIdx; + else { + const PPCFunctionInfo *FI = MF.getInfo<PPCFunctionInfo>(); + FrameIdx = FI->getCRSpillFrameIndex(); } return true; } |