[llvm] r209646 - AArch64: support 'c' and 'n' inline asm modifiers.

[Eric Christopher]

Should fix an existing one. Tim, did that get moved over?

-eric

On Tue, May 27, 2014 at 9:20 AM, David Blaikie <dblaikie at gmail.com> wrote:
> On Tue, May 27, 2014 at 12:37 AM, Tim Northover <tnorthover at apple.com> wrote:
>> Author: tnorthover
>> Date: Tue May 27 02:37:21 2014
>> New Revision: 209646
>>
>> URL: http://llvm.org/viewvc/llvm-project?rev=209646&view=rev
>> Log:
>> AArch64: support 'c' and 'n' inline asm modifiers.
>>
>> These are tested by test/CodeGen/Generic, so we should probably know
>> how to deal with them. Fortunately generic code does it if asked.
>
> Is there a test case for this change, though?
>
>>
>> Modified:
>>     llvm/trunk/lib/Target/AArch64/AArch64AsmPrinter.cpp
>>
>> Modified: llvm/trunk/lib/Target/AArch64/AArch64AsmPrinter.cpp
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AArch64/AArch64AsmPrinter.cpp?rev=209646&r1=209645&r2=209646&view=diff
>> ==============================================================================
>> --- llvm/trunk/lib/Target/AArch64/AArch64AsmPrinter.cpp (original)
>> +++ llvm/trunk/lib/Target/AArch64/AArch64AsmPrinter.cpp Tue May 27 02:37:21 2014
>> @@ -266,6 +266,11 @@ bool AArch64AsmPrinter::PrintAsmOperand(
>>                                          unsigned AsmVariant,
>>                                          const char *ExtraCode, raw_ostream &O) {
>>    const MachineOperand &MO = MI->getOperand(OpNum);
>> +
>> +  // First try the generic code, which knows about modifiers like 'c' and 'n'.
>> +  if (!AsmPrinter::PrintAsmOperand(MI, OpNum, AsmVariant, ExtraCode, O))
>> +    return false;
>> +
>>    // Does this asm operand have a single letter operand modifier?
>>    if (ExtraCode && ExtraCode[0]) {
>>      if (ExtraCode[1] != 0)
>>
>>
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