[llvm-dev] One element vectors versus scalars

[Martin J. O'Riordan via llvm-dev]

I am curious as to why LLVM has explicit support for 1 element vectors, for
example 'v1i32'.  Are there some contexts where handling a value as a 1
element vector can yield better code quality than the corresponding scalar
'i32'?

 

Thanks,

 

            MartinO

 

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