On Fri, Dec 23, 2022 at 12:19 AM Roger Sayle wrote:
>
>
> This patch enhances x86's STV pass to handle VEC_SELECT during general
> scalar chain conversion, performing SImode scalar extraction from V4SI
> and DImode scalar extraction from V2DI vector registers.
>
> The motivating test case from bug
This patch enhances x86's STV pass to handle VEC_SELECT during general
scalar chain conversion, performing SImode scalar extraction from V4SI
and DImode scalar extraction from V2DI vector registers.
The motivating test case from bugzilla is:
typedef unsigned int v4si __attribute__((vector_size(1