Implement 'large' PIC model
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76006 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/SystemZ/AsmPrinter/SystemZAsmPrinter.cpp b/lib/Target/SystemZ/AsmPrinter/SystemZAsmPrinter.cpp
index 1a911db..af3ce17 100644
--- a/lib/Target/SystemZ/AsmPrinter/SystemZAsmPrinter.cpp
+++ b/lib/Target/SystemZ/AsmPrinter/SystemZAsmPrinter.cpp
@@ -50,6 +50,7 @@
void printOperand(const MachineInstr *MI, int OpNum,
const char* Modifier = 0);
+ void printPCRelImmOperand(const MachineInstr *MI, int OpNum);
void printRIAddrOperand(const MachineInstr *MI, int OpNum,
const char* Modifier = 0);
void printRRIAddrOperand(const MachineInstr *MI, int OpNum,
@@ -186,6 +187,40 @@
assert(0 && "Should not happen");
}
+void SystemZAsmPrinter::printPCRelImmOperand(const MachineInstr *MI, int OpNum) {
+ const MachineOperand &MO = MI->getOperand(OpNum);
+ switch (MO.getType()) {
+ case MachineOperand::MO_GlobalAddress: {
+ const GlobalValue *GV = MO.getGlobal();
+ std::string Name = Mang->getValueName(GV);
+
+ O << Name;
+
+ // Assemble calls via PLT for externally visible symbols if PIC.
+ if (TM.getRelocationModel() == Reloc::PIC_ &&
+ !GV->hasHiddenVisibility() && !GV->hasProtectedVisibility() &&
+ !GV->hasLocalLinkage())
+ O << "@PLT";
+
+ printOffset(MO.getOffset());
+ return;
+ }
+ case MachineOperand::MO_ExternalSymbol: {
+ std::string Name(TAI->getGlobalPrefix());
+ Name += MO.getSymbolName();
+ O << Name;
+
+ if (TM.getRelocationModel() == Reloc::PIC_)
+ O << "@PLT";
+
+ return;
+ }
+ default:
+ assert(0 && "Not implemented yet!");
+ }
+}
+
+
void SystemZAsmPrinter::printOperand(const MachineInstr *MI, int OpNum,
const char* Modifier) {
const MachineOperand &MO = MI->getOperand(OpNum);
@@ -219,23 +254,31 @@
return;
case MachineOperand::MO_GlobalAddress: {
const GlobalValue *GV = MO.getGlobal();
-
std::string Name = Mang->getValueName(GV);
- assert(MO.getOffset() == 0 && "No offsets allowed!");
O << Name;
-
- return;
+ break;
}
case MachineOperand::MO_ExternalSymbol: {
std::string Name(TAI->getGlobalPrefix());
Name += MO.getSymbolName();
O << Name;
- return;
+ break;
}
default:
assert(0 && "Not implemented yet!");
}
+
+ switch (MO.getTargetFlags()) {
+ default:
+ assert(0 && "Unknown target flag on GV operand");
+ case SystemZII::MO_NO_FLAG:
+ break;
+ case SystemZII::MO_GOTENT: O << "@GOTENT"; break;
+ case SystemZII::MO_PLT: O << "@PLT"; break;
+ }
+
+ printOffset(MO.getOffset());
}
void SystemZAsmPrinter::printRIAddrOperand(const MachineInstr *MI, int OpNum,