[llvm-dev] How to implement memory-memory instructions?

[Friedman, Eli via llvm-dev]

On 5/25/2017 9:30 PM, Liu winter via llvm-dev wrote:
>
> Hi,
>
>
> Implementation of a load-store architecture should be quite 
> straightforward as we are able to refer several backend. For now, I am 
> planning to implement a backend on which instructions could take 
> memory address as operand, for example, 'cadd [a], [b], [c]', where a, 
> b, and c are memory address. I am wondering if there is an existing 
> backend I could refer to to implement such memory-memory instructions. 
> If not, is there any recommendation for this implementation? It is 
> very appreciated if there is any help. Thank you.

x86 has instructions like this; see 
http://lists.llvm.org/pipermail/llvm-dev/2016-October/105946.html .

-Eli

-- 
Employee of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project

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