diff options
Diffstat (limited to 'lib/Target/ARM/ARMAsmPrinter.cpp')
| -rw-r--r-- | lib/Target/ARM/ARMAsmPrinter.cpp | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/lib/Target/ARM/ARMAsmPrinter.cpp b/lib/Target/ARM/ARMAsmPrinter.cpp index 3d065d8..fa06bf7 100644 --- a/lib/Target/ARM/ARMAsmPrinter.cpp +++ b/lib/Target/ARM/ARMAsmPrinter.cpp @@ -822,11 +822,15 @@ void ARMAsmPrinter::EmitUnwindingInstruction(const MachineInstr *MI) { unsigned Opc = MI->getOpcode(); unsigned SrcReg, DstReg; - // Special case: tPUSH does not have src/dst regs. - if (Opc == ARM::tPUSH) { + if (Opc == ARM::tPUSH || Opc == ARM::tLDRpci) { + // Two special cases: + // 1) tPUSH does not have src/dst regs. + // 2) for Thumb1 code we sometimes materialize the constant via constpool + // load. Yes, this is pretty fragile, but for now I don't see better + // way... :( SrcReg = DstReg = ARM::SP; } else { - SrcReg = MI->getOperand(1).getReg(); + SrcReg = MI->getOperand(1).getReg(); DstReg = MI->getOperand(0).getReg(); } @@ -875,6 +879,7 @@ void ARMAsmPrinter::EmitUnwindingInstruction(const MachineInstr *MI) { assert(0 && "Unsupported opcode for unwinding information"); case ARM::MOVr: case ARM::tMOVgpr2gpr: + case ARM::tMOVgpr2tgpr: Offset = 0; break; case ARM::ADDri: @@ -891,6 +896,9 @@ void ARMAsmPrinter::EmitUnwindingInstruction(const MachineInstr *MI) { case ARM::tADDrSPi: Offset = -MI->getOperand(2).getImm()*4; break; + case ARM::tLDRpci: + assert(0 && "Not implemented yet!"); + break; } if (DstReg == FramePtr && FramePtr != ARM::SP) |