Implement initial-exec TLS for PPC32.
llvm-svn: 197824
diff --git a/llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp b/llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp
index 06beb8d..d79a34d 100644
--- a/llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp
+++ b/llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp
@@ -301,6 +301,7 @@
///
void PPCAsmPrinter::EmitInstruction(const MachineInstr *MI) {
MCInst TmpInst;
+ bool isPPC64 = Subtarget.isPPC64();
// Lower multi-instruction pseudo operations.
switch (MI->getOpcode()) {
@@ -494,12 +495,13 @@
.addExpr(SymGotTprel));
return;
}
- case PPC::LDgotTprelL: {
+ case PPC::LDgotTprelL:
+ case PPC::LDgotTprelL32: {
// Transform %Xd = LDgotTprelL <ga:@sym>, %Xs
LowerPPCMachineInstrToMCInst(MI, TmpInst, *this, Subtarget.isDarwin());
// Change the opcode to LD.
- TmpInst.setOpcode(PPC::LD);
+ TmpInst.setOpcode(isPPC64 ? PPC::LD : PPC::LWZ);
const MachineOperand &MO = MI->getOperand(1);
const GlobalValue *GValue = MO.getGlobal();
MCSymbol *MOSymbol = getSymbol(GValue);
@@ -510,6 +512,24 @@
OutStreamer.EmitInstruction(TmpInst);
return;
}
+
+ case PPC::PPC32GOT: {
+ MCSymbol *GOTSymbol = OutContext.GetOrCreateSymbol(StringRef("_GLOBAL_OFFSET_TABLE_"));
+ const MCExpr *SymGotTlsL =
+ MCSymbolRefExpr::Create(GOTSymbol, MCSymbolRefExpr::VK_PPC_LO,
+ OutContext);
+ const MCExpr *SymGotTlsHA =
+ MCSymbolRefExpr::Create(GOTSymbol, MCSymbolRefExpr::VK_PPC_HA,
+ OutContext);
+ OutStreamer.EmitInstruction(MCInstBuilder(PPC::LI)
+ .addReg(MI->getOperand(0).getReg())
+ .addExpr(SymGotTlsL));
+ OutStreamer.EmitInstruction(MCInstBuilder(PPC::ADDIS)
+ .addReg(MI->getOperand(0).getReg())
+ .addReg(MI->getOperand(0).getReg())
+ .addExpr(SymGotTlsHA));
+ return;
+ }
case PPC::ADDIStlsgdHA: {
// Transform: %Xd = ADDIStlsgdHA %X2, <ga:@sym>
// Into: %Xd = ADDIS8 %X2, sym@got@tlsgd@ha