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Encoding T1 (tBcc)
if cond == '1110' then UNDEFINED;

rdar://problem/9268681


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129325 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Johnny Chen
2011-04-12 00:14:49 +00:00
parent dac5dbadeb
commit e77f72d7d2
2 changed files with 15 additions and 0 deletions
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5
lib/Target/ARM/Disassembler/ThumbDisassemblerCore.h
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@@ -951,6 +951,11 @@ static bool DisassembleThumb1CondBr(MCInst &MI, unsigned Opcode, uint32_t insn,
: (int)Imm8));
// Predicate operands by ARMBasicMCBuilder::TryPredicateAndSBitModifier().
// But note that for tBcc, if cond = '1110' then UNDEFINED.
if (Opcode == ARM::tBcc && slice(insn, 11, 8) == 14) {
DEBUG(errs() << "if cond = '1110' then UNDEFINED\n");
return false;
}
NumOpsAdded = 1;
return true;