diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2012-04-14 13:54:10 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2012-04-14 13:54:10 +0000 |
| commit | 63faed5b8e4f2755f127fcb8aa440480c0649327 (patch) | |
| tree | 19c69a04768629f2d440944b71cbe90adae0b615 /lib/Target/ARM/ARMInstrInfo.cpp | |
| parent | d4c8b5d2e851b0e8a063c6bf8543a4823a26c15a (diff) | |
Notes
Diffstat (limited to 'lib/Target/ARM/ARMInstrInfo.cpp')
| -rw-r--r-- | lib/Target/ARM/ARMInstrInfo.cpp | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/lib/Target/ARM/ARMInstrInfo.cpp b/lib/Target/ARM/ARMInstrInfo.cpp index 48da03f63bb9..b8f607eb4c55 100644 --- a/lib/Target/ARM/ARMInstrInfo.cpp +++ b/lib/Target/ARM/ARMInstrInfo.cpp @@ -1,4 +1,4 @@ -//===- ARMInstrInfo.cpp - ARM Instruction Information -----------*- C++ -*-===// +//===-- ARMInstrInfo.cpp - ARM Instruction Information --------------------===// // // The LLVM Compiler Infrastructure // @@ -21,12 +21,29 @@ #include "llvm/CodeGen/MachineInstrBuilder.h" #include "llvm/CodeGen/MachineJumpTableInfo.h" #include "llvm/MC/MCAsmInfo.h" +#include "llvm/MC/MCInst.h" using namespace llvm; ARMInstrInfo::ARMInstrInfo(const ARMSubtarget &STI) : ARMBaseInstrInfo(STI), RI(*this, STI) { } +/// getNoopForMachoTarget - Return the noop instruction to use for a noop. +void ARMInstrInfo::getNoopForMachoTarget(MCInst &NopInst) const { + if (hasNOP()) { + NopInst.setOpcode(ARM::NOP); + NopInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); + NopInst.addOperand(MCOperand::CreateReg(0)); + } else { + NopInst.setOpcode(ARM::MOVr); + NopInst.addOperand(MCOperand::CreateReg(ARM::R0)); + NopInst.addOperand(MCOperand::CreateReg(ARM::R0)); + NopInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); + NopInst.addOperand(MCOperand::CreateReg(0)); + NopInst.addOperand(MCOperand::CreateReg(0)); + } +} + unsigned ARMInstrInfo::getUnindexedOpcode(unsigned Opc) const { switch (Opc) { default: break; |