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| author | Jim Grosbach <grosbach@apple.com> | 2010-12-02 00:28:45 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2010-12-02 00:28:45 +0000 |
| commit | dff84b03258514463ede477af38f1246b95b0cd0 (patch) | |
| tree | 2423bab04c5113b7ce4524a26f26b000017d605d /lib/Target/ARM/ARMAsmPrinter.cpp | |
| parent | 317bafb82cf7ecf796ba4e5c6279a423f535a4e9 (diff) | |
| download | external_llvm-dff84b03258514463ede477af38f1246b95b0cd0.zip external_llvm-dff84b03258514463ede477af38f1246b95b0cd0.tar.gz external_llvm-dff84b03258514463ede477af38f1246b95b0cd0.tar.bz2 | |
Add support for binary encoding of ARM 'adr' instructions referencing constant
pool entries (LEApcrel pseudo). Ongoing saga of rdar://8542291.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120635 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARMAsmPrinter.cpp')
| -rw-r--r-- | lib/Target/ARM/ARMAsmPrinter.cpp | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/lib/Target/ARM/ARMAsmPrinter.cpp b/lib/Target/ARM/ARMAsmPrinter.cpp index de6e068..05dfa55 100644 --- a/lib/Target/ARM/ARMAsmPrinter.cpp +++ b/lib/Target/ARM/ARMAsmPrinter.cpp @@ -726,13 +726,29 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) { } return; } + case ARM::LEApcrel: { + // FIXME: Need to also handle globals and externals + assert (MI->getOperand(1).isCPI()); + unsigned LabelId = MI->getOperand(1).getIndex(); + MCSymbol *Sym = GetCPISymbol(LabelId); + const MCExpr *SymbolExpr = MCSymbolRefExpr::Create(Sym, OutContext); + MCInst TmpInst; + TmpInst.setOpcode(ARM::ADR); + TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); + TmpInst.addOperand(MCOperand::CreateExpr(SymbolExpr)); + // Add predicate operands. + TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); + TmpInst.addOperand(MCOperand::CreateReg(0)); + OutStreamer.EmitInstruction(TmpInst); + return; + } case ARM::LEApcrelJT: { unsigned JTI = MI->getOperand(1).getIndex(); unsigned Id = MI->getOperand(2).getImm(); MCSymbol *JTISymbol = GetARMJTIPICJumpTableLabel2(JTI, Id); const MCExpr *SymbolExpr = MCSymbolRefExpr::Create(JTISymbol, OutContext); MCInst TmpInst; - TmpInst.setOpcode(ARM::ADRadd); + TmpInst.setOpcode(ARM::ADR); TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); TmpInst.addOperand(MCOperand::CreateExpr(SymbolExpr)); // Add predicate operands. |