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| author | Jim Grosbach <grosbach@apple.com> | 2011-07-01 19:07:09 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2011-07-01 19:07:09 +0000 |
| commit | eb03c3b22861e5fb6459aa055378e852df29b621 (patch) | |
| tree | 735085d6579f31f4a940b6aecab72b67c86ee5f6 /lib/Target/ARM/Thumb2SizeReduction.cpp | |
| parent | 4db3cffe94a5285239cc0056f939c6b74a5ca0b6 (diff) | |
| download | llvm-eb03c3b22861e5fb6459aa055378e852df29b621.tar.gz llvm-eb03c3b22861e5fb6459aa055378e852df29b621.tar.bz2 llvm-eb03c3b22861e5fb6459aa055378e852df29b621.tar.xz | |
Fix off-by-one error.
(low two bits always zero, so off by one bit of encoded value).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134247 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/Thumb2SizeReduction.cpp')
| -rw-r--r-- | lib/Target/ARM/Thumb2SizeReduction.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Target/ARM/Thumb2SizeReduction.cpp b/lib/Target/ARM/Thumb2SizeReduction.cpp index 692189ce6c..c741a6e8a5 100644 --- a/lib/Target/ARM/Thumb2SizeReduction.cpp +++ b/lib/Target/ARM/Thumb2SizeReduction.cpp @@ -491,7 +491,7 @@ Thumb2SizeReduce::ReduceSpecial(MachineBasicBlock &MBB, MachineInstr *MI, // The immediate must be in range, the destination register must be a low // reg, the predicate must be "always" and the condition flags must not // be being set. - if (Imm & 3 || Imm > 1024) + if (Imm & 3 || Imm > 1020) return false; if (!isARMLowRegister(MI->getOperand(0).getReg())) return false; |