#include "llvm/Target/TargetOptions.h"
using namespace llvm;
+// FIXME: Remove this once soft-float is supported.
+static cl::opt<bool> DisablePPCFloatInVariadic("disable-ppc-float-in-variadic",
+cl::desc("disable saving float registers for va_start on PPC"), cl::Hidden);
+
static cl::opt<bool> DisablePPCPreinc("disable-ppc-preinc",
cl::desc("disable preincrement load/store generation on PPC"), cl::Hidden);
PPC::F1, PPC::F2, PPC::F3, PPC::F4, PPC::F5, PPC::F6, PPC::F7,
PPC::F8
};
- const unsigned NumFPArgRegs = array_lengthof(FPArgRegs);
+ unsigned NumFPArgRegs = array_lengthof(FPArgRegs);
+ if (DisablePPCFloatInVariadic)
+ NumFPArgRegs = 0;
FuncInfo->setVarArgsNumGPR(CCInfo.getFirstUnallocated(GPArgRegs,
NumGPArgRegs));
int FI;
if (HasParameterArea ||
ArgSize + ArgOffset > LinkageSize + Num_GPR_Regs * PtrByteSize)
- FI = MFI->CreateFixedObject(ArgSize, ArgOffset, false);
+ FI = MFI->CreateFixedObject(ArgSize, ArgOffset, false, true);
else
FI = MFI->CreateStackObject(ArgSize, Align, false);
SDValue FIN = DAG.getFrameIndex(FI, PtrVT);
CurArgOffset = CurArgOffset + (4 - ObjSize);
}
// The value of the object is its address.
- int FI = MFI->CreateFixedObject(ObjSize, CurArgOffset, true);
+ int FI = MFI->CreateFixedObject(ObjSize, CurArgOffset, false, true);
SDValue FIN = DAG.getFrameIndex(FI, PtrVT);
InVals.push_back(FIN);
if (ObjSize==1 || ObjSize==2) {
return false;
}
+bool PPCTargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
+ const CallInst &I,
+ unsigned Intrinsic) const {
+
+ switch (Intrinsic) {
+ case Intrinsic::ppc_altivec_lvx:
+ case Intrinsic::ppc_altivec_lvxl:
+ case Intrinsic::ppc_altivec_lvebx:
+ case Intrinsic::ppc_altivec_lvehx:
+ case Intrinsic::ppc_altivec_lvewx: {
+ EVT VT;
+ switch (Intrinsic) {
+ case Intrinsic::ppc_altivec_lvebx:
+ VT = MVT::i8;
+ break;
+ case Intrinsic::ppc_altivec_lvehx:
+ VT = MVT::i16;
+ break;
+ case Intrinsic::ppc_altivec_lvewx:
+ VT = MVT::i32;
+ break;
+ default:
+ VT = MVT::v4i32;
+ break;
+ }
+
+ Info.opc = ISD::INTRINSIC_W_CHAIN;
+ Info.memVT = VT;
+ Info.ptrVal = I.getArgOperand(0);
+ Info.offset = -VT.getStoreSize()+1;
+ Info.size = 2*VT.getStoreSize()-1;
+ Info.align = 1;
+ Info.vol = false;
+ Info.readMem = true;
+ Info.writeMem = false;
+ return true;
+ }
+ case Intrinsic::ppc_altivec_stvx:
+ case Intrinsic::ppc_altivec_stvxl:
+ case Intrinsic::ppc_altivec_stvebx:
+ case Intrinsic::ppc_altivec_stvehx:
+ case Intrinsic::ppc_altivec_stvewx: {
+ EVT VT;
+ switch (Intrinsic) {
+ case Intrinsic::ppc_altivec_stvebx:
+ VT = MVT::i8;
+ break;
+ case Intrinsic::ppc_altivec_stvehx:
+ VT = MVT::i16;
+ break;
+ case Intrinsic::ppc_altivec_stvewx:
+ VT = MVT::i32;
+ break;
+ default:
+ VT = MVT::v4i32;
+ break;
+ }
+
+ Info.opc = ISD::INTRINSIC_VOID;
+ Info.memVT = VT;
+ Info.ptrVal = I.getArgOperand(1);
+ Info.offset = -VT.getStoreSize()+1;
+ Info.size = 2*VT.getStoreSize()-1;
+ Info.align = 1;
+ Info.vol = false;
+ Info.readMem = false;
+ Info.writeMem = true;
+ return true;
+ }
+ default:
+ break;
+ }
+
+ return false;
+}
+
/// getOptimalMemOpType - Returns the target specific optimal type for load
/// and store operations as a result of memset, memcpy, and memmove
/// lowering. If DstAlign is zero that means it's safe to destination