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Diffstat (limited to 'llvm/lib/Target/Mips/MipsLongBranch.cpp')
-rw-r--r-- | llvm/lib/Target/Mips/MipsLongBranch.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/Mips/MipsLongBranch.cpp b/llvm/lib/Target/Mips/MipsLongBranch.cpp index 9d873052cab..aae0922e79e 100644 --- a/llvm/lib/Target/Mips/MipsLongBranch.cpp +++ b/llvm/lib/Target/Mips/MipsLongBranch.cpp @@ -247,6 +247,10 @@ void MipsLongBranch::replaceBranch(MachineBasicBlock &MBB, Iter Br, } // Expand branch instructions to long branches. +// TODO: This function has to be fixed for beqz16 and bnez16, because it +// currently assumes that all branches have 16-bit offsets, and will produce +// wrong code if branches whose allowed offsets are [-128, -126, ..., 126] +// are present. void MipsLongBranch::expandToLongBranch(MBBInfo &I) { MachineBasicBlock::iterator Pos; MachineBasicBlock *MBB = I.Br->getParent(), *TgtMBB = getTargetMBB(*I.Br); |