diff options
Diffstat (limited to 'llvm/lib/Target/ARM/Thumb2InstrInfo.cpp')
| -rw-r--r-- | llvm/lib/Target/ARM/Thumb2InstrInfo.cpp | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/Thumb2InstrInfo.cpp b/llvm/lib/Target/ARM/Thumb2InstrInfo.cpp index 081cf4f5503..d92856cf0c3 100644 --- a/llvm/lib/Target/ARM/Thumb2InstrInfo.cpp +++ b/llvm/lib/Target/ARM/Thumb2InstrInfo.cpp @@ -88,6 +88,29 @@ Thumb2InstrInfo::BlockHasNoFallThrough(const MachineBasicBlock &MBB) const { return false; } +unsigned +Thumb2InstrInfo::unsignedOffsetOpcodeToSigned(unsigned opcode, + unsigned *NumBits) const +{ + if (NumBits != NULL) + *NumBits = 8; + + switch (opcode) { + case ARM::t2LDRi12: return ARM::t2LDRi8; + case ARM::t2LDRHi12: return ARM::t2LDRHi8; + case ARM::t2LDRBi12: return ARM::t2LDRBi8; + case ARM::t2LDRSHi12: return ARM::t2LDRSHi8; + case ARM::t2LDRSBi12: return ARM::t2LDRSBi8; + case ARM::t2STRi12: return ARM::t2STRi8; + case ARM::t2STRBi12: return ARM::t2STRBi8; + case ARM::t2STRHi12: return ARM::t2STRHi8; + default: + break; + } + + return 0; +} + bool Thumb2InstrInfo::copyRegToReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator I, |
