diff options
Diffstat (limited to 'lib/Target/ARM/Thumb2SizeReduction.cpp')
| -rw-r--r-- | lib/Target/ARM/Thumb2SizeReduction.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/Target/ARM/Thumb2SizeReduction.cpp b/lib/Target/ARM/Thumb2SizeReduction.cpp index ad1739c69053..b2fd7b334d87 100644 --- a/lib/Target/ARM/Thumb2SizeReduction.cpp +++ b/lib/Target/ARM/Thumb2SizeReduction.cpp @@ -78,7 +78,7 @@ namespace { { ARM::t2LSRri, ARM::tLSRri, 0, 5, 0, 1, 0, 0,0, 0 }, { ARM::t2LSRrr, 0, ARM::tLSRrr, 0, 0, 0, 1, 0,0, 0 }, { ARM::t2MOVi, ARM::tMOVi8, 0, 8, 0, 1, 0, 0,0, 0 }, - { ARM::t2MOVi16,ARM::tMOVi8, 0, 8, 0, 1, 0, 0,0, 0 }, + { ARM::t2MOVi16,ARM::tMOVi8, 0, 8, 0, 1, 0, 0,0, 1 }, // FIXME: Do we need the 16-bit 'S' variant? { ARM::t2MOVr,ARM::tMOVgpr2gpr,0, 0, 0, 0, 0, 1,0, 0 }, { ARM::t2MOVCCr,0, ARM::tMOVCCr, 0, 0, 0, 0, 0,1, 0 }, @@ -413,6 +413,12 @@ Thumb2SizeReduce::ReduceSpecial(MachineBasicBlock &MBB, MachineInstr *MI, if (MI->getOperand(2).getImm() == 0) return ReduceToNarrow(MBB, MI, Entry, LiveCPSR); break; + case ARM::t2MOVi16: + // Can convert only 'pure' immediate operands, not immediates obtained as + // globals' addresses. + if (MI->getOperand(1).isImm()) + return ReduceToNarrow(MBB, MI, Entry, LiveCPSR); + break; } return false; } |