//===----------------------------------------------------------------------===//
#include "Mips16ISelLowering.h"
#include "MCTargetDesc/MipsBaseInfo.h"
+#include "Mips16HardFloatInfo.h"
+#include "MipsMachineFunction.h"
#include "MipsRegisterInfo.h"
#include "MipsTargetMachine.h"
#include "llvm/ADT/StringRef.h"
static cl::opt<bool> DontExpandCondPseudos16(
"mips16-dont-expand-cond-pseudo",
cl::init(false),
- cl::desc("Dont expand conditional move related "
+ cl::desc("Don't expand conditional move related "
"pseudos for Mips 16"),
cl::Hidden);
return std::strcmp(Name, RHS.Name) == 0;
}
};
-}
+} // namespace
// Libcalls for which no helper is generated. Sorted by name for binary search.
static const Mips16Libcall HardFloatLibCalls[] = {
{"truncf", "__mips16_call_stub_sf_1"},
};
-Mips16TargetLowering::Mips16TargetLowering(MipsTargetMachine &TM)
- : MipsTargetLowering(TM) {
- //
- // set up as if mips32 and then revert so we can test the mechanism
- // for switching
- addRegisterClass(MVT::i32, &Mips::GPR32RegClass);
- addRegisterClass(MVT::f32, &Mips::FGR32RegClass);
- computeRegisterProperties();
- clearRegisterClasses();
+Mips16TargetLowering::Mips16TargetLowering(const MipsTargetMachine &TM,
+ const MipsSubtarget &STI)
+ : MipsTargetLowering(TM, STI) {
// Set up the register classes
addRegisterClass(MVT::i32, &Mips::CPU16RegsRegClass);
- if (Subtarget->inMips16HardFloat())
+ if (!Subtarget.useSoftFloat())
setMips16HardFloatLibCalls();
setOperationAction(ISD::ATOMIC_FENCE, MVT::Other, Expand);
setOperationAction(ISD::BSWAP, MVT::i32, Expand);
setOperationAction(ISD::BSWAP, MVT::i64, Expand);
- computeRegisterProperties();
+ computeRegisterProperties(STI.getRegisterInfo());
}
const MipsTargetLowering *
-llvm::createMips16TargetLowering(MipsTargetMachine &TM) {
- return new Mips16TargetLowering(TM);
+llvm::createMips16TargetLowering(const MipsTargetMachine &TM,
+ const MipsSubtarget &STI) {
+ return new Mips16TargetLowering(TM, STI);
}
bool
-Mips16TargetLowering::allowsUnalignedMemoryAccesses(EVT VT,
- unsigned,
- bool *Fast) const {
+Mips16TargetLowering::allowsMisalignedMemoryAccesses(EVT VT,
+ unsigned,
+ unsigned,
+ bool *Fast) const {
return false;
}
}
}
-bool Mips16TargetLowering::
-isEligibleForTailCallOptimization(const MipsCC &MipsCCInfo,
- unsigned NextStackOffset,
- const MipsFunctionInfo& FI) const {
+bool Mips16TargetLowering::isEligibleForTailCallOptimization(
+ const CCState &CCInfo, unsigned NextStackOffset,
+ const MipsFunctionInfo &FI) const {
// No tail call optimization for mips16.
return false;
}
}
//
-// prefixs are attached to stub numbers depending on the return type .
+// Prefixes are attached to stub numbers depending on the return type.
// return type: float sf_
// double df_
// single complex sc_
// The full name of a helper function is__mips16_call_stub +
// return type dependent prefix + stub number
//
-//
-// This is something that probably should be in a different source file and
-// perhaps done differently but my main purpose is to not waste runtime
+// FIXME: This is something that probably should be in a different source file
+// and perhaps done differently but my main purpose is to not waste runtime
// on something that we can enumerate in the source. Another possibility is
// to have a python script to generate these mapping tables. This will do
// for now. There are a whole series of helper function mapping arrays, one
// for each return type class as outlined above. There there are 11 possible
-// entries. Ones with 0 are ones which should never be selected
+// entries. Ones with 0 are ones which should never be selected.
//
// All the arrays are similar except for ones which return neither
-// sf, df, sc, dc, in which only care about ones which have sf or df as a
+// sf, df, sc, dc, in which we only care about ones which have sf or df as a
// first parameter.
//
#define P_ "__mips16_call_stub_"
#define T P "0" , T1
#define P P_
static char const * vMips16Helper[MAX_STUB_NUMBER+1] =
- {0, T1 };
+ {nullptr, T1 };
#undef P
#define P P_ "sf_"
static char const * sfMips16Helper[MAX_STUB_NUMBER+1] =
getOpndList(SmallVectorImpl<SDValue> &Ops,
std::deque< std::pair<unsigned, SDValue> > &RegsToPass,
bool IsPICCall, bool GlobalOrExternal, bool InternalLinkage,
- CallLoweringInfo &CLI, SDValue Callee, SDValue Chain) const {
+ bool IsCallReloc, CallLoweringInfo &CLI, SDValue Callee,
+ SDValue Chain) const {
SelectionDAG &DAG = CLI.DAG;
MachineFunction &MF = DAG.getMachineFunction();
MipsFunctionInfo *FuncInfo = MF.getInfo<MipsFunctionInfo>();
- const char* Mips16HelperFunction = 0;
+ const char* Mips16HelperFunction = nullptr;
bool NeedMips16Helper = false;
- if (Subtarget->inMips16HardFloat()) {
+ if (Subtarget.inMips16HardFloat()) {
//
// currently we don't have symbols tagged with the mips16 or mips32
// qualifier so we will assume that we don't know what kind it is.
std::end(HardFloatLibCalls), Find))
LookupHelper = false;
}
- if (LookupHelper) Mips16HelperFunction =
- getMips16HelperFunction(CLI.RetTy, CLI.Args, NeedMips16Helper);
-
+ if (LookupHelper)
+ Mips16HelperFunction =
+ getMips16HelperFunction(CLI.RetTy, CLI.getArgs(), NeedMips16Helper);
}
SDValue JumpTarget = Callee;
// T9 should contain the address of the callee function if
- // -reloction-model=pic or it is an indirect call.
+ // -relocation-model=pic or it is an indirect call.
if (IsPICCall || !GlobalOrExternal) {
unsigned V0Reg = Mips::V0;
if (NeedMips16Helper) {
RegsToPass.push_front(std::make_pair(V0Reg, Callee));
JumpTarget = DAG.getExternalSymbol(Mips16HelperFunction, getPointerTy());
ExternalSymbolSDNode *S = cast<ExternalSymbolSDNode>(JumpTarget);
- JumpTarget = getAddrGlobal(S, JumpTarget.getValueType(), DAG,
+ JumpTarget = getAddrGlobal(S, CLI.DL, JumpTarget.getValueType(), DAG,
MipsII::MO_GOT, Chain,
FuncInfo->callPtrInfo(S->getSymbol()));
} else
Ops.push_back(JumpTarget);
MipsTargetLowering::getOpndList(Ops, RegsToPass, IsPICCall, GlobalOrExternal,
- InternalLinkage, CLI, Callee, Chain);
+ InternalLinkage, IsCallReloc, CLI, Callee,
+ Chain);
}
MachineBasicBlock *Mips16TargetLowering::
emitSel16(unsigned Opc, MachineInstr *MI, MachineBasicBlock *BB) const {
if (DontExpandCondPseudos16)
return BB;
- const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
+ const TargetInstrInfo *TII = Subtarget.getInstrInfo();
DebugLoc DL = MI->getDebugLoc();
// To "insert" a SELECT_CC instruction, we actually have to insert the
// diamond control-flow pattern. The incoming instruction knows the
return BB;
}
-MachineBasicBlock *Mips16TargetLowering::emitSelT16
- (unsigned Opc1, unsigned Opc2,
- MachineInstr *MI, MachineBasicBlock *BB) const {
+MachineBasicBlock *
+Mips16TargetLowering::emitSelT16(unsigned Opc1, unsigned Opc2, MachineInstr *MI,
+ MachineBasicBlock *BB) const {
if (DontExpandCondPseudos16)
return BB;
- const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
+ const TargetInstrInfo *TII = Subtarget.getInstrInfo();
DebugLoc DL = MI->getDebugLoc();
// To "insert" a SELECT_CC instruction, we actually have to insert the
// diamond control-flow pattern. The incoming instruction knows the
}
-MachineBasicBlock *Mips16TargetLowering::emitSeliT16
- (unsigned Opc1, unsigned Opc2,
- MachineInstr *MI, MachineBasicBlock *BB) const {
+MachineBasicBlock *
+Mips16TargetLowering::emitSeliT16(unsigned Opc1, unsigned Opc2,
+ MachineInstr *MI,
+ MachineBasicBlock *BB) const {
if (DontExpandCondPseudos16)
return BB;
- const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
+ const TargetInstrInfo *TII = Subtarget.getInstrInfo();
DebugLoc DL = MI->getDebugLoc();
// To "insert" a SELECT_CC instruction, we actually have to insert the
// diamond control-flow pattern. The incoming instruction knows the
}
-MachineBasicBlock
- *Mips16TargetLowering::emitFEXT_T8I816_ins(unsigned BtOpc, unsigned CmpOpc,
- MachineInstr *MI,
- MachineBasicBlock *BB) const {
+MachineBasicBlock *
+Mips16TargetLowering::emitFEXT_T8I816_ins(unsigned BtOpc, unsigned CmpOpc,
+ MachineInstr *MI,
+ MachineBasicBlock *BB) const {
if (DontExpandCondPseudos16)
return BB;
- const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
+ const TargetInstrInfo *TII = Subtarget.getInstrInfo();
unsigned regX = MI->getOperand(0).getReg();
unsigned regY = MI->getOperand(1).getReg();
MachineBasicBlock *target = MI->getOperand(2).getMBB();
}
MachineBasicBlock *Mips16TargetLowering::emitFEXT_T8I8I16_ins(
- unsigned BtOpc, unsigned CmpiOpc, unsigned CmpiXOpc, bool ImmSigned,
- MachineInstr *MI, MachineBasicBlock *BB) const {
+ unsigned BtOpc, unsigned CmpiOpc, unsigned CmpiXOpc, bool ImmSigned,
+ MachineInstr *MI, MachineBasicBlock *BB) const {
if (DontExpandCondPseudos16)
return BB;
- const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
+ const TargetInstrInfo *TII = Subtarget.getInstrInfo();
unsigned regX = MI->getOperand(0).getReg();
int64_t imm = MI->getOperand(1).getImm();
MachineBasicBlock *target = MI->getOperand(2).getMBB();
llvm_unreachable("immediate field not usable");
}
-MachineBasicBlock *Mips16TargetLowering::emitFEXT_CCRX16_ins(
- unsigned SltOpc,
- MachineInstr *MI, MachineBasicBlock *BB) const {
+MachineBasicBlock *
+Mips16TargetLowering::emitFEXT_CCRX16_ins(unsigned SltOpc, MachineInstr *MI,
+ MachineBasicBlock *BB) const {
if (DontExpandCondPseudos16)
return BB;
- const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
+ const TargetInstrInfo *TII = Subtarget.getInstrInfo();
unsigned CC = MI->getOperand(0).getReg();
unsigned regX = MI->getOperand(1).getReg();
unsigned regY = MI->getOperand(2).getReg();
return BB;
}
-MachineBasicBlock *Mips16TargetLowering::emitFEXT_CCRXI16_ins(
- unsigned SltiOpc, unsigned SltiXOpc,
- MachineInstr *MI, MachineBasicBlock *BB )const {
+MachineBasicBlock *
+Mips16TargetLowering::emitFEXT_CCRXI16_ins(unsigned SltiOpc, unsigned SltiXOpc,
+ MachineInstr *MI,
+ MachineBasicBlock *BB) const {
if (DontExpandCondPseudos16)
return BB;
- const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
+ const TargetInstrInfo *TII = Subtarget.getInstrInfo();
unsigned CC = MI->getOperand(0).getReg();
unsigned regX = MI->getOperand(1).getReg();
int64_t Imm = MI->getOperand(2).getImm();
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