[LLVMdev] X86AsmPrinter + MASM and NASM backends

[Chris Lattner]

On Tue, 12 Jul 2005, Aaron Gray wrote:
>>> X86InstrInfo.td file it is full of them.
>> 
>> Ah, I see what you're talking about.  Please feel free to remove all of 
>> those from the Intel format.  For example, change this:
>> 
>> def IN8rr  : I<0xEC, RawFrm, (ops),
>>                "in{b} {%dx, %al|%AL, %DX}">,  Imp<[DX], [AL]>;
>> 
>> to:
>> 
>> def IN8rr  : I<0xEC, RawFrm, (ops),
>>                "in{b} {%dx, %al|AL, DX}">,  Imp<[DX], [AL]>;
>> 
>> For register allocatable values, changing printOp in the X86IntelAsmPrinter 
>> should do the job.
>
> Yes GNU AS works either with or without % symbols for its register names. So 
> presumably we remove the percents from the intel generator and then have the 
> X86MASMPrinter inherit from the X86IntelAsmPrinter as was originally 
> intended.

Please don't worry about preserving compatibility with GAS in Intel mode. 
GAS has several bugs in its support for intel mode that makes it hard to 
depend on.  Feel free to change the current intel printer in any way to do 
what you need to support MASM.

-Chris

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