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ARM: ISB cannot be passed the same options as DMB

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ISB should only accepts full system sync, other options are reserved

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183656 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Amaury de la Vieuville
2013-06-10 14:17:08 +00:00
parent 7c32502a7f
commit 4e9a96d810
13 changed files with 179 additions and 2 deletions
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11
lib/Target/ARM/Disassembler/ARMDisassembler.cpp
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@ -279,6 +279,8 @@ static DecodeStatus DecodeCoprocessor(MCInst &Inst, unsigned Insn,
uint64_t Address, const void *Decoder);
static DecodeStatus DecodeMemBarrierOption(MCInst &Inst, unsigned Insn,
uint64_t Address, const void *Decoder);
static DecodeStatus DecodeInstSyncBarrierOption(MCInst &Inst, unsigned Insn,
uint64_t Address, const void *Decoder);
static DecodeStatus DecodeMSRMask(MCInst &Inst, unsigned Insn,
uint64_t Address, const void *Decoder);
static DecodeStatus DecodeDoubleRegLoad(MCInst &Inst, unsigned Insn,
@ -3553,6 +3555,15 @@ static DecodeStatus DecodeMemBarrierOption(MCInst &Inst, unsigned Val,
return MCDisassembler::Success;
}
static DecodeStatus DecodeInstSyncBarrierOption(MCInst &Inst, unsigned Val,
uint64_t Address, const void *Decoder) {
if (Val & ~0xf)
return MCDisassembler::Fail;
Inst.addOperand(MCOperand::CreateImm(Val));
return MCDisassembler::Success;
}
static DecodeStatus DecodeMSRMask(MCInst &Inst, unsigned Val,
uint64_t Address, const void *Decoder) {
if (!Val) return MCDisassembler::Fail;