#endif
}
+void PPCInstPrinter::printBranchOperand(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) {
+ if (!MI->getOperand(OpNo).isImm())
+ return printOperand(MI, OpNo, O);
+
+ // Branches can take an immediate operand. This is used by the branch
+ // selection pass to print $+8, an eight byte displacement from the PC.
+ O << "$+" << MI->getOperand(OpNo).getImm()*4;
+}
+
+
+
+
void PPCInstPrinter::printcrbitm(const MCInst *MI, unsigned OpNo,
raw_ostream &O) {
unsigned CCReg = MI->getOperand(OpNo).getReg();
void printS16ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printU16ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printS16X4ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
- void printBranchOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O) {}
- void printCallOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O) {}
+ void printBranchOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
+ void printCallOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O) {
+ printOperand(MI, OpNo, O);
+ }
void printAbsAddrOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O) {}
void printcrbitm(const MCInst *MI, unsigned OpNo, raw_ostream &O);
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCInst.h"
+#include "llvm/Target/Mangler.h"
using namespace llvm;
+static MCOperand GetSymbolRef(const MachineOperand &MO, const MCSymbol *Symbol,
+ AsmPrinter &Printer) {
+ MCContext &Ctx = Printer.OutContext;
+ const MCExpr *Expr;
+ switch (MO.getTargetFlags()) {
+ default: assert(0 && "Unknown target flag on symbol operand");
+ case 0:
+ Expr = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_None, Ctx);
+ break;
+#if 0
+ case ARMII::MO_LO16:
+ Expr = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_ARM_LO16, Ctx);
+ break;
+#endif
+ }
+
+ if (!MO.isJTI() && MO.getOffset())
+ Expr = MCBinaryExpr::CreateAdd(Expr,
+ MCConstantExpr::Create(MO.getOffset(), Ctx),
+ Ctx);
+ return MCOperand::CreateExpr(Expr);
+
+}
+
void llvm::LowerPPCMachineInstrToMCInst(const MachineInstr *MI, MCInst &OutMI,
- AsmPrinter &Printer) {
+ AsmPrinter &AP) {
OutMI.setOpcode(MI->getOpcode());
for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
case MachineOperand::MO_Immediate:
MCOp = MCOperand::CreateImm(MO.getImm());
break;
+ case MachineOperand::MO_MachineBasicBlock:
+ MCOp = MCOperand::CreateExpr(MCSymbolRefExpr::Create(
+ MO.getMBB()->getSymbol(), AP.OutContext));
+ break;
+ case MachineOperand::MO_GlobalAddress:
+ MCOp = GetSymbolRef(MO, AP.Mang->getSymbol(MO.getGlobal()), AP);
+ break;
+ case MachineOperand::MO_ExternalSymbol:
+ MCOp = GetSymbolRef(MO,
+ AP.GetExternalSymbolSymbol(MO.getSymbolName()), AP);
+ break;
+ case MachineOperand::MO_JumpTableIndex:
+ MCOp = GetSymbolRef(MO, AP.GetJTISymbol(MO.getIndex()), AP);
+ break;
+ case MachineOperand::MO_ConstantPoolIndex:
+ MCOp = GetSymbolRef(MO, AP.GetCPISymbol(MO.getIndex()), AP);
+ break;
+ case MachineOperand::MO_BlockAddress:
+ MCOp = GetSymbolRef(MO,AP.GetBlockAddressSymbol(MO.getBlockAddress()),AP);
+ break;
}
OutMI.addOperand(MCOp);