[llvm-dev] x86 instruction format which takes a single 64-bit immediate

[Tom Stellard via llvm-dev]

On 03/28/2018 04:50 PM, Gus Smith via llvm-dev wrote:
> I am attempting to create an instruction which takes a single 64-bit immediate. This doesn't seem like a thing that would exist already (because who needs an instruction which just takes an immediate?) How might I implement this easily? Perhaps I could use a format which encodes a register, which is then unused?
> 

Are you trying to create an instruction that will be emitted by the
code generator or do you just want a pseudo instruction that you
can manipulate during the machine passes and then lower to one
or more real instructions.

-Tom

> Thanks for the help.
> Gus
> 
> 
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