diff options
Diffstat (limited to 'contrib/llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp')
-rw-r--r-- | contrib/llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp | 52 |
1 files changed, 38 insertions, 14 deletions
diff --git a/contrib/llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp b/contrib/llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp index 9528459..fb7aa71 100644 --- a/contrib/llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp +++ b/contrib/llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp @@ -1,4 +1,4 @@ -//===-- PPCAsmPrinter.cpp - Print machine instrs to PowerPC assembly --------=// +//===-- PPCAsmPrinter.cpp - Print machine instrs to PowerPC assembly ------===// // // The LLVM Compiler Infrastructure // @@ -20,6 +20,7 @@ #include "PPC.h" #include "PPCTargetMachine.h" #include "PPCSubtarget.h" +#include "InstPrinter/PPCInstPrinter.h" #include "MCTargetDesc/PPCPredicates.h" #include "llvm/Analysis/DebugInfo.h" #include "llvm/Constants.h" @@ -39,6 +40,7 @@ #include "llvm/MC/MCSectionMachO.h" #include "llvm/MC/MCStreamer.h" #include "llvm/MC/MCSymbol.h" +#include "llvm/MC/MCSectionELF.h" #include "llvm/Target/Mangler.h" #include "llvm/Target/TargetRegisterInfo.h" #include "llvm/Target/TargetInstrInfo.h" @@ -49,10 +51,9 @@ #include "llvm/Support/ErrorHandling.h" #include "llvm/Support/TargetRegistry.h" #include "llvm/Support/raw_ostream.h" +#include "llvm/Support/ELF.h" #include "llvm/ADT/StringExtras.h" -#include "llvm/ADT/StringSet.h" #include "llvm/ADT/SmallString.h" -#include "InstPrinter/PPCInstPrinter.h" using namespace llvm; namespace { @@ -366,14 +367,21 @@ void PPCAsmPrinter::EmitInstruction(const MachineInstr *MI) { } case PPC::MFCRpseud: + case PPC::MFCR8pseud: // Transform: %R3 = MFCRpseud %CR7 // Into: %R3 = MFCR ;; cr7 OutStreamer.AddComment(PPCInstPrinter:: getRegisterName(MI->getOperand(1).getReg())); - TmpInst.setOpcode(PPC::MFCR); + TmpInst.setOpcode(Subtarget.isPPC64() ? PPC::MFCR8 : PPC::MFCR); TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); OutStreamer.EmitInstruction(TmpInst); return; + case PPC::SYNC: + // In Book E sync is called msync, handle this special case here... + if (Subtarget.isBookE()) { + OutStreamer.EmitRawText(StringRef("\tmsync")); + return; + } } LowerPPCMachineInstrToMCInst(MI, TmpInst, *this, Subtarget.isDarwin()); @@ -385,14 +393,26 @@ void PPCLinuxAsmPrinter::EmitFunctionEntryLabel() { return AsmPrinter::EmitFunctionEntryLabel(); // Emit an official procedure descriptor. - // FIXME 64-bit SVR4: Use MCSection here! - OutStreamer.EmitRawText(StringRef("\t.section\t\".opd\",\"aw\"")); - OutStreamer.EmitRawText(StringRef("\t.align 3")); + const MCSection *Current = OutStreamer.getCurrentSection(); + const MCSectionELF *Section = OutStreamer.getContext().getELFSection(".opd", + ELF::SHT_PROGBITS, ELF::SHF_WRITE | ELF::SHF_ALLOC, + SectionKind::getReadOnly()); + OutStreamer.SwitchSection(Section); OutStreamer.EmitLabel(CurrentFnSym); - OutStreamer.EmitRawText("\t.quad .L." + Twine(CurrentFnSym->getName()) + - ",.TOC.@tocbase"); - OutStreamer.EmitRawText(StringRef("\t.previous")); - OutStreamer.EmitRawText(".L." + Twine(CurrentFnSym->getName()) + ":"); + OutStreamer.EmitValueToAlignment(8); + MCSymbol *Symbol1 = + OutContext.GetOrCreateSymbol(".L." + Twine(CurrentFnSym->getName())); + MCSymbol *Symbol2 = OutContext.GetOrCreateSymbol(StringRef(".TOC.@tocbase")); + OutStreamer.EmitValue(MCSymbolRefExpr::Create(Symbol1, OutContext), + Subtarget.isPPC64() ? 8 : 4/*size*/, 0/*addrspace*/); + OutStreamer.EmitValue(MCSymbolRefExpr::Create(Symbol2, OutContext), + Subtarget.isPPC64() ? 8 : 4/*size*/, 0/*addrspace*/); + OutStreamer.SwitchSection(Current); + + MCSymbol *RealFnSym = OutContext.GetOrCreateSymbol( + ".L." + Twine(CurrentFnSym->getName())); + OutStreamer.EmitLabel(RealFnSym); + CurrentFnSymForSize = RealFnSym; } @@ -402,8 +422,10 @@ bool PPCLinuxAsmPrinter::doFinalization(Module &M) { bool isPPC64 = TD->getPointerSizeInBits() == 64; if (isPPC64 && !TOC.empty()) { - // FIXME 64-bit SVR4: Use MCSection here? - OutStreamer.EmitRawText(StringRef("\t.section\t\".toc\",\"aw\"")); + const MCSectionELF *Section = OutStreamer.getContext().getELFSection(".toc", + ELF::SHT_PROGBITS, ELF::SHF_WRITE | ELF::SHF_ALLOC, + SectionKind::getReadOnly()); + OutStreamer.SwitchSection(Section); // FIXME: This is nondeterminstic! for (DenseMap<MCSymbol*, MCSymbol*>::iterator I = TOC.begin(), @@ -421,12 +443,14 @@ void PPCDarwinAsmPrinter::EmitStartOfAsmFile(Module &M) { static const char *const CPUDirectives[] = { "", "ppc", + "ppc440", "ppc601", "ppc602", "ppc603", "ppc7400", "ppc750", "ppc970", + "ppcA2", "ppc64" }; @@ -435,7 +459,7 @@ void PPCDarwinAsmPrinter::EmitStartOfAsmFile(Module &M) { Directive = PPC::DIR_970; if (Subtarget.hasAltivec() && Directive < PPC::DIR_7400) Directive = PPC::DIR_7400; - if (Subtarget.isPPC64() && Directive < PPC::DIR_970) + if (Subtarget.isPPC64() && Directive < PPC::DIR_64) Directive = PPC::DIR_64; assert(Directive <= PPC::DIR_64 && "Directive out of range."); |