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Support printing base+offset pairs where the offset is a register. 

Use this for printing the jmpl indirect-call instruction.

llvm-svn: 14224
This commit is contained in:
Brian Gaeke 2004-06-18 06:27:59 +00:00
parent 5ebab28a8a
commit 12ee9a1e75
1 changed files with 25 additions and 10 deletions
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27
llvm/lib/Target/SparcV8/SparcV8AsmPrinter.cpp
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@ -69,7 +69,7 @@ namespace {
void emitGlobalConstant(const Constant *CV);
void printConstantPool(MachineConstantPool *MCP);
void printOperand(const MachineInstr *MI, int opNum);
void printBaseOffsetPair (const MachineInstr *MI, int i);
void printBaseOffsetPair (const MachineInstr *MI, int i, bool brackets=true);
void printMachineInstruction(const MachineInstr *MI);
bool runOnMachineFunction(MachineFunction &F);
bool doInitialization(Module &M);
@ -455,17 +455,26 @@ static bool isStoreInstruction (const MachineInstr *MI) {
}
}
void V8Printer::printBaseOffsetPair (const MachineInstr *MI, int i) {
O << "[";
/// printBaseOffsetPair - Print two consecutive operands of MI, starting at #i,
/// which form a base + offset pair (which may have brackets around it, if
/// brackets is true, or may be in the form base - constant, if offset is a
/// negative constant).
///
void V8Printer::printBaseOffsetPair (const MachineInstr *MI, int i,
bool brackets) {
if (brackets) O << "[";
printOperand (MI, i);
assert (MI->getOperand (i + 1).isImmediate()
&& "2nd half of base-offset pair must be immediate-value machine operand");
if (MI->getOperand (i + 1).isImmediate()) {
int Val = (int) MI->getOperand (i + 1).getImmedValue ();
if (Val != 0) {
O << ((Val >= 0) ? " + " : " - ");
O << ((Val >= 0) ? Val : -Val);
}
O << "]";
} else {
O << " + ";
printOperand (MI, i + 1);
}
if (brackets) O << "]";
}
/// printMachineInstruction -- Print out a single SparcV8 LLVM instruction
@ -492,6 +501,12 @@ void V8Printer::printMachineInstruction(const MachineInstr *MI) {
printBaseOffsetPair (MI, 0);
O << "\n";
return;
} else if (Opcode == V8::JMPLrr) {
printBaseOffsetPair (MI, 1, false);
O << ", ";
printOperand (MI, 0);
O << "\n";
return;
}
// print non-immediate, non-register-def operands