[Bug tree-optimization/95960] GCC should re-vectorize vector code with larger VF

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95960

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2024-01-26
             Status|UNCONFIRMED                 |NEW

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Confirmed.

Even V2SF -> V4SF would be useful for aarch64:
```
typedef float __attribute__((vector_size(8))) v2sf;
float a[4];
float b[4];
void f()
{
  *(v2sf *)&b[0] += *(v2sf *)&a[0];
  *(v2sf *)&b[2] += *(v2sf *)&a[2];
}

```