diff options
Diffstat (limited to 'lib/Target/PowerPC')
| -rw-r--r-- | lib/Target/PowerPC/PPCISelLowering.cpp | 20 | ||||
| -rw-r--r-- | lib/Target/PowerPC/PPCISelLowering.h | 2 | ||||
| -rw-r--r-- | lib/Target/PowerPC/PPCMachineFunctionInfo.h | 2 | ||||
| -rw-r--r-- | lib/Target/PowerPC/PPCRegisterInfo.cpp | 1 |
4 files changed, 14 insertions, 11 deletions
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp index a7744b8..87f8fb0b4 100644 --- a/lib/Target/PowerPC/PPCISelLowering.cpp +++ b/lib/Target/PowerPC/PPCISelLowering.cpp @@ -227,15 +227,14 @@ PPCTargetLowering::PPCTargetLowering(PPCTargetMachine &TM) setOperationAction(ISD::FP_TO_UINT, MVT::i64, Expand); setOperationAction(ISD::SINT_TO_FP, MVT::i64, Custom); setOperationAction(ISD::UINT_TO_FP, MVT::i64, Expand); - setOperationAction(ISD::FP_TO_UINT, MVT::i32, Expand); + // This is just the low 32 bits of a (signed) fp->i64 conversion. + // We cannot do this with Promote because i64 is not a legal type. + setOperationAction(ISD::FP_TO_UINT, MVT::i32, Custom); // FIXME: disable this lowered code. This generates 64-bit register values, // and we don't model the fact that the top part is clobbered by calls. We // need to flag these together so that the value isn't live across a call. //setOperationAction(ISD::SINT_TO_FP, MVT::i32, Custom); - - // To take advantage of the above i64 FP_TO_SINT, promote i32 FP_TO_UINT - setOperationAction(ISD::FP_TO_UINT, MVT::i32, Promote); } else { // PowerPC does not have FP_TO_UINT on 32-bit implementations. setOperationAction(ISD::FP_TO_UINT, MVT::i32, Expand); @@ -2858,7 +2857,7 @@ SDValue PPCTargetLowering::LowerSELECT_CC(SDValue Op, SelectionDAG &DAG) { } // FIXME: Split this code up when LegalizeDAGTypes lands. -SDValue PPCTargetLowering::LowerFP_TO_SINT(SDValue Op, SelectionDAG &DAG, +SDValue PPCTargetLowering::LowerFP_TO_INT(SDValue Op, SelectionDAG &DAG, DebugLoc dl) { assert(Op.getOperand(0).getValueType().isFloatingPoint()); SDValue Src = Op.getOperand(0); @@ -2867,9 +2866,11 @@ SDValue PPCTargetLowering::LowerFP_TO_SINT(SDValue Op, SelectionDAG &DAG, SDValue Tmp; switch (Op.getValueType().getSimpleVT()) { - default: assert(0 && "Unhandled FP_TO_SINT type in custom expander!"); + default: assert(0 && "Unhandled FP_TO_INT type in custom expander!"); case MVT::i32: - Tmp = DAG.getNode(PPCISD::FCTIWZ, dl, MVT::f64, Src); + Tmp = DAG.getNode(Op.getOpcode()==ISD::FP_TO_SINT ? PPCISD::FCTIWZ : + PPCISD::FCTIDZ, + dl, MVT::f64, Src); break; case MVT::i64: Tmp = DAG.getNode(PPCISD::FCTIDZ, dl, MVT::f64, Src); @@ -3740,7 +3741,8 @@ SDValue PPCTargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG) { return LowerDYNAMIC_STACKALLOC(Op, DAG, PPCSubTarget); case ISD::SELECT_CC: return LowerSELECT_CC(Op, DAG); - case ISD::FP_TO_SINT: return LowerFP_TO_SINT(Op, DAG, + case ISD::FP_TO_UINT: + case ISD::FP_TO_SINT: return LowerFP_TO_INT(Op, DAG, Op.getDebugLoc()); case ISD::SINT_TO_FP: return LowerSINT_TO_FP(Op, DAG); case ISD::FLT_ROUNDS_: return LowerFLT_ROUNDS_(Op, DAG); @@ -3834,7 +3836,7 @@ void PPCTargetLowering::ReplaceNodeResults(SDNode *N, return; } case ISD::FP_TO_SINT: - Results.push_back(LowerFP_TO_SINT(SDValue(N, 0), DAG, dl)); + Results.push_back(LowerFP_TO_INT(SDValue(N, 0), DAG, dl)); return; } } diff --git a/lib/Target/PowerPC/PPCISelLowering.h b/lib/Target/PowerPC/PPCISelLowering.h index 7946474..b6d046f 100644 --- a/lib/Target/PowerPC/PPCISelLowering.h +++ b/lib/Target/PowerPC/PPCISelLowering.h @@ -377,7 +377,7 @@ namespace llvm { SDValue LowerDYNAMIC_STACKALLOC(SDValue Op, SelectionDAG &DAG, const PPCSubtarget &Subtarget); SDValue LowerSELECT_CC(SDValue Op, SelectionDAG &DAG); - SDValue LowerFP_TO_SINT(SDValue Op, SelectionDAG &DAG, DebugLoc dl); + SDValue LowerFP_TO_INT(SDValue Op, SelectionDAG &DAG, DebugLoc dl); SDValue LowerSINT_TO_FP(SDValue Op, SelectionDAG &DAG); SDValue LowerFLT_ROUNDS_(SDValue Op, SelectionDAG &DAG); SDValue LowerSHL_PARTS(SDValue Op, SelectionDAG &DAG); diff --git a/lib/Target/PowerPC/PPCMachineFunctionInfo.h b/lib/Target/PowerPC/PPCMachineFunctionInfo.h index 42883d7..b359dd3 100644 --- a/lib/Target/PowerPC/PPCMachineFunctionInfo.h +++ b/lib/Target/PowerPC/PPCMachineFunctionInfo.h @@ -59,7 +59,7 @@ private: bool HasFastCall; public: - PPCFunctionInfo(MachineFunction &MF) + explicit PPCFunctionInfo(MachineFunction &MF) : FramePointerSaveIndex(0), ReturnAddrSaveIndex(0), SpillsCR(false), diff --git a/lib/Target/PowerPC/PPCRegisterInfo.cpp b/lib/Target/PowerPC/PPCRegisterInfo.cpp index 5d5beeb..cb31506 100644 --- a/lib/Target/PowerPC/PPCRegisterInfo.cpp +++ b/lib/Target/PowerPC/PPCRegisterInfo.cpp @@ -908,6 +908,7 @@ void PPCRegisterInfo::determineFrameLayout(MachineFunction &MF) const { // If we are a leaf function, and use up to 224 bytes of stack space, // don't have a frame pointer, calls, or dynamic alloca then we do not need // to adjust the stack pointer (we fit in the Red Zone). + bool DisableRedZone = MF.getFunction()->hasFnAttr(Attribute::NoRedZone); if (!DisableRedZone && FrameSize <= 224 && // Fits in red zone. !MFI->hasVarSizedObjects() && // No dynamic alloca. |
