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The rules disallowing single-register reglist operands only apply to the POP alias, not to LDM/STM instructions. Revert r143552.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143553 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2011-11-02 17:46:18 +00:00
parent e31b42a6f5
commit 244006db5c
1 changed files with 1 additions and 5 deletions
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6
lib/Target/ARM/Disassembler/ARMDisassembler.cpp
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@ -1111,11 +1111,7 @@ static DecodeStatus DecodeRegListOperand(llvm::MCInst &Inst, unsigned Val,
}
// Empty register lists are not allowed.
uint32_t popcnt = CountPopulation_32(Val);
if (popcnt == 0) return MCDisassembler::Fail;
// and one-register lists are unpredictable.
else if (popcnt == 1) Check(S, MCDisassembler::SoftFail);
if (CountPopulation_32(Val) == 0) return MCDisassembler::Fail;
for (unsigned i = 0; i < 16; ++i) {
if (Val & (1 << i)) {
if (!Check(S, DecodeGPRRegisterClass(Inst, i, Address, Decoder)))