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Fix disassembly of Thumb2 LDRSH with a #-0 offset.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139943 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson
2011-09-16 21:08:33 +00:00
parent 642caea2c6
commit 705b48ff86
3 changed files with 9 additions and 3 deletions
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5
lib/Target/ARM/Disassembler/ARMDisassembler.cpp
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@ -2731,7 +2731,10 @@ static DecodeStatus DecodeT2AddrModeImm0_1020s4(llvm::MCInst &Inst,unsigned Val,
static DecodeStatus DecodeT2Imm8(llvm::MCInst &Inst, unsigned Val,
uint64_t Address, const void *Decoder) {
int imm = Val & 0xFF;
if (!(Val & 0x100)) imm *= -1;
if (Val == 0)
imm = INT32_MIN;
else if (!(Val & 0x100))
imm *= -1;
Inst.addOperand(MCOperand::CreateImm(imm));
return MCDisassembler::Success;