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Fix off-by-one error.

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(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
This commit is contained in:
Jim Grosbach 2011-07-01 19:07:09 +00:00
parent 4db3cffe94
commit eb03c3b228
1 changed files with 1 additions and 1 deletions
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2
lib/Target/ARM/Thumb2SizeReduction.cpp
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@ -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;