[LLVMdev] rol/ror llvm instruction set

Owen Anderson resistor at mac.com
Tue Feb 3 16:20:14 PST 2009


On Feb 3, 2009, at 3:54 PM, Kasra wrote:
> I guess the backends could know about the instructions. But I am not  
> convinced why it is beneficial not to have ROR and ROL instructions  
> within llvm.
>

How would it be beneficial to have them, if we already generate them  
at the target level properly?  Adding instructions "just because"  
doesn't seem wise.

-Owen





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