[PATCH] VECT: Change flow of decrement IV

[Richard Sandiford]

juzhe.zhong@rivai.ai writes:
> From: Ju-Zhe Zhong <juzhe.zhong@rivai.ai>
>
> Follow Richi's suggestion, I change current decrement IV flow from:
>
> do {
>    remain -= MIN (vf, remain);
> } while (remain != 0);
>
> into:
>
> do {
>    old_remain = remain;
>    len = MIN (vf, remain);
>    remain -= vf;
> } while (old_remain >= vf);
>
> to enhance SCEV.
>
> ALL tests (decrement IV) of RVV are passed.

How does it affect RVV code quality?  I thought you specifically chose
the previous approach because code quality was better that way.

Richard