On February 10, 2017 8:45:09 PM GMT+01:00, Jakub Jelinek
wrote:
>Hi!
>
>UBSAN_*_OVERFLOW ifns on vector types prefer to just check in a loop
>for overflow, but perform the vector arithmetics on vectors. The
>advantage
>is that the partial results don't have to be inserted one by one into
>the
>r
Hi!
UBSAN_*_OVERFLOW ifns on vector types prefer to just check in a loop
for overflow, but perform the vector arithmetics on vectors. The advantage
is that the partial results don't have to be inserted one by one into the
result vector.
This requires that there is an instruction to perform that.
