- # Bitshifts
- # See https://github.com/JuliaLang/julia/blob/7426625b5c07b0d93110293246089a259a0a677d/src/intrinsics.cpp#L1179-L1196
- # Shifting with a value larger than the number of bits in the type is undefined behavior
- # so set to zero in those cases.
- @inline function shl_int(x::Vec{N, T1}, y::Vec{N, T2}) where {N, T1<:IntegerTypes, T2<:IntegerTypes}
- vifelse(y > sizeof(T1) * 8,
- zero(Vec{N, T1}),
- Vec(Intrinsics.shl(x.data, convert(Vec{N,T1}, y).data)))
- end
- @inline function lshr_int(x::Vec{N, T1}, y::Vec{N, T2}) where {N, T1<:IntegerTypes, T2<:IntegerTypes}
- vifelse(y > sizeof(T1) * 8,
- zero(Vec{N, T1}),
- Vec(Intrinsics.lshr(x.data, convert(Vec{N,T1}, y).data)))
- end
- @inline function ashr_int(x::Vec{N, T1}, y::Vec{N, T2}) where {N, T1<:IntegerTypes, T2<:IntegerTypes}
- vifelse(y > sizeof(T1) * 8,
- Vec(Intrinsics.ashr(x.data, Vec{N,T1}(sizeof(T1)*8-1).data)),
- Vec(Intrinsics.ashr(x.data, Vec{N,T1}(y).data)))
- end