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[ARM] SSAT/USAT with an 'asr #32' shift should result in an undefined encoding rather than unpredictable

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226469 91177308-0d34-0410-b5e6-96231b3b80d8
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Bradley Smith
2015-01-19 16:37:17 +00:00
parent ded2091731
commit 0041050116
2 changed files with 5 additions and 2 deletions
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lib/Target/ARM/Disassembler/ARMDisassembler.cpp
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@@ -4971,7 +4971,7 @@ static DecodeStatus DecodeT2ShifterImmOperand(MCInst &Inst, uint32_t Val,
DecodeStatus S = MCDisassembler::Success;
// Shift of "asr #32" is not allowed in Thumb2 mode.
if (Val == 0x20) S = MCDisassembler::SoftFail;
if (Val == 0x20) S = MCDisassembler::Fail;
Inst.addOperand(MCOperand::CreateImm(Val));
return S;
}