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-rw-r--r--lib/Target/PowerPC/PPCISelLowering.cpp55
1 files changed, 40 insertions, 15 deletions
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index f97c467..d6b8a9e 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -14,8 +14,8 @@
#include "PPCISelLowering.h"
#include "PPCMachineFunctionInfo.h"
#include "PPCPerfectShuffle.h"
-#include "PPCPredicates.h"
#include "PPCTargetMachine.h"
+#include "MCTargetDesc/PPCPredicates.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/VectorExtras.h"
#include "llvm/CodeGen/CallingConvLower.h"
@@ -211,7 +211,8 @@ PPCTargetLowering::PPCTargetLowering(PPCTargetMachine &TM)
setOperationAction(ISD::TRAP, MVT::Other, Legal);
// TRAMPOLINE is custom lowered.
- setOperationAction(ISD::TRAMPOLINE, MVT::Other, Custom);
+ setOperationAction(ISD::INIT_TRAMPOLINE, MVT::Other, Custom);
+ setOperationAction(ISD::ADJUST_TRAMPOLINE, MVT::Other, Custom);
// VASTART needs to be custom lowered to use the VarArgsFrameIndex
setOperationAction(ISD::VASTART , MVT::Other, Custom);
@@ -365,7 +366,11 @@ PPCTargetLowering::PPCTargetLowering(PPCTargetMachine &TM)
setOperationAction(ISD::BUILD_VECTOR, MVT::v4f32, Custom);
}
+ setOperationAction(ISD::ATOMIC_LOAD, MVT::i32, Expand);
+ setOperationAction(ISD::ATOMIC_STORE, MVT::i32, Expand);
+
setBooleanContents(ZeroOrOneBooleanContent);
+ setBooleanVectorContents(ZeroOrOneBooleanContent); // FIXME: Is this correct?
if (TM.getSubtarget<PPCSubtarget>().isPPC64()) {
setStackPointerRegisterToSaveRestore(PPC::X1);
@@ -401,6 +406,8 @@ PPCTargetLowering::PPCTargetLowering(PPCTargetMachine &TM)
if (PPCSubTarget.isDarwin())
setPrefFunctionAlignment(4);
+ setInsertFencesForAtomic(true);
+
computeRegisterProperties();
}
@@ -463,7 +470,7 @@ const char *PPCTargetLowering::getTargetNodeName(unsigned Opcode) const {
}
}
-MVT::SimpleValueType PPCTargetLowering::getSetCCResultType(EVT VT) const {
+EVT PPCTargetLowering::getSetCCResultType(EVT VT) const {
return MVT::i32;
}
@@ -1368,8 +1375,13 @@ SDValue PPCTargetLowering::LowerVAARG(SDValue Op, SelectionDAG &DAG,
return DAG.getLoad(VT, dl, InChain, Result, MachinePointerInfo(), false, false, 0);
}
-SDValue PPCTargetLowering::LowerTRAMPOLINE(SDValue Op,
- SelectionDAG &DAG) const {
+SDValue PPCTargetLowering::LowerADJUST_TRAMPOLINE(SDValue Op,
+ SelectionDAG &DAG) const {
+ return Op.getOperand(0);
+}
+
+SDValue PPCTargetLowering::LowerINIT_TRAMPOLINE(SDValue Op,
+ SelectionDAG &DAG) const {
SDValue Chain = Op.getOperand(0);
SDValue Trmp = Op.getOperand(1); // trampoline
SDValue FPtr = Op.getOperand(2); // nested function
@@ -1398,16 +1410,13 @@ SDValue PPCTargetLowering::LowerTRAMPOLINE(SDValue Op,
// Lower to a call to __trampoline_setup(Trmp, TrampSize, FPtr, ctx_reg)
std::pair<SDValue, SDValue> CallResult =
- LowerCallTo(Chain, Op.getValueType().getTypeForEVT(*DAG.getContext()),
+ LowerCallTo(Chain, Type::getVoidTy(*DAG.getContext()),
false, false, false, false, 0, CallingConv::C, false,
/*isReturnValueUsed=*/true,
DAG.getExternalSymbol("__trampoline_setup", PtrVT),
Args, DAG, dl);
- SDValue Ops[] =
- { CallResult.first, CallResult.second };
-
- return DAG.getMergeValues(Ops, 2, dl);
+ return CallResult.second;
}
SDValue PPCTargetLowering::LowerVASTART(SDValue Op, SelectionDAG &DAG,
@@ -2550,7 +2559,7 @@ unsigned PrepareCall(SelectionDAG &DAG, SDValue &Callee, SDValue &InFlag,
if (!DAG.getTarget().getSubtarget<PPCSubtarget>().isJITCodeModel()) {
unsigned OpFlags = 0;
if (DAG.getTarget().getRelocationModel() != Reloc::Static &&
- (!PPCSubTarget.getTargetTriple().isMacOSX() ||
+ (PPCSubTarget.getTargetTriple().isMacOSX() &&
PPCSubTarget.getTargetTriple().isMacOSXVersionLT(10, 5)) &&
(G->getGlobal()->isDeclaration() ||
G->getGlobal()->isWeakForLinker())) {
@@ -2574,7 +2583,7 @@ unsigned PrepareCall(SelectionDAG &DAG, SDValue &Callee, SDValue &InFlag,
unsigned char OpFlags = 0;
if (DAG.getTarget().getRelocationModel() != Reloc::Static &&
- (!PPCSubTarget.getTargetTriple().isMacOSX() ||
+ (PPCSubTarget.getTargetTriple().isMacOSX() &&
PPCSubTarget.getTargetTriple().isMacOSXVersionLT(10, 5))) {
// PC-relative references to external symbols should go through $stub,
// unless we're building with the leopard linker or later, which
@@ -2941,6 +2950,7 @@ PPCTargetLowering::LowerCall_SVR4(SDValue Chain, SDValue Callee,
SmallVector<TailCallArgumentInfo, 8> TailCallArguments;
SmallVector<SDValue, 8> MemOpChains;
+ bool seenFloatArg = false;
// Walk the register/memloc assignments, inserting copies/loads.
for (unsigned i = 0, j = 0, e = ArgLocs.size();
i != e;
@@ -2985,6 +2995,7 @@ PPCTargetLowering::LowerCall_SVR4(SDValue Chain, SDValue Callee,
}
if (VA.isRegLoc()) {
+ seenFloatArg |= VA.getLocVT().isFloatingPoint();
// Put argument in a physical register.
RegsToPass.push_back(std::make_pair(VA.getLocReg(), Arg));
} else {
@@ -3011,9 +3022,11 @@ PPCTargetLowering::LowerCall_SVR4(SDValue Chain, SDValue Callee,
Chain = DAG.getNode(ISD::TokenFactor, dl, MVT::Other,
&MemOpChains[0], MemOpChains.size());
- // Set CR6 to true if this is a vararg call.
+ // Set CR6 to true if this is a vararg call with floating args passed in
+ // registers.
if (isVarArg) {
- SDValue SetCR(DAG.getMachineNode(PPC::CRSET, dl, MVT::i32), 0);
+ SDValue SetCR(DAG.getMachineNode(seenFloatArg ? PPC::CRSET : PPC::CRUNSET,
+ dl, MVT::i32), 0);
RegsToPass.push_back(std::make_pair(unsigned(PPC::CR1EQ), SetCR));
}
@@ -3403,6 +3416,17 @@ PPCTargetLowering::LowerCall_Darwin(SDValue Chain, SDValue Callee,
Ins, InVals);
}
+bool
+PPCTargetLowering::CanLowerReturn(CallingConv::ID CallConv,
+ MachineFunction &MF, bool isVarArg,
+ const SmallVectorImpl<ISD::OutputArg> &Outs,
+ LLVMContext &Context) const {
+ SmallVector<CCValAssign, 16> RVLocs;
+ CCState CCInfo(CallConv, isVarArg, MF, getTargetMachine(),
+ RVLocs, Context);
+ return CCInfo.CheckReturn(Outs, RetCC_PPC);
+}
+
SDValue
PPCTargetLowering::LowerReturn(SDValue Chain,
CallingConv::ID CallConv, bool isVarArg,
@@ -4490,7 +4514,8 @@ SDValue PPCTargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG) const {
case ISD::GlobalTLSAddress: llvm_unreachable("TLS not implemented for PPC");
case ISD::JumpTable: return LowerJumpTable(Op, DAG);
case ISD::SETCC: return LowerSETCC(Op, DAG);
- case ISD::TRAMPOLINE: return LowerTRAMPOLINE(Op, DAG);
+ case ISD::INIT_TRAMPOLINE: return LowerINIT_TRAMPOLINE(Op, DAG);
+ case ISD::ADJUST_TRAMPOLINE: return LowerADJUST_TRAMPOLINE(Op, DAG);
case ISD::VASTART:
return LowerVASTART(Op, DAG, PPCSubTarget);
generated by cgit v1.1 at 2025-08-15 16:41:49 +0000