On Tue, Jan 14, 2014 at 2:09 PM, Daniel Micay <danielmi...@gmail.com> wrote:
> On Tue, Jan 14, 2014 at 3:06 PM, Richard Diamond > <wich...@vitalitystudios.com> wrote: > > > > They do with #[simd]. Though I think it would be worth considering > whether > > all tuples of a single primitive type should be automatically considered > > #[simd] and be lowered to a LLVM vector type. In fact one way I'm > > considering impling this is to treat the mask as a tuple and lower it as > a > > vector into a shufflevector mask operand. > > This isn't possible due to alignment issues. Only very recent Intel > CPUs lack the requirement of alignment for SIMD instructions. > Obviously, battlefield promotions will be necessary when shifting between heap and stack.
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