[Bug target/102027] [11/12 Regression] ABI break when using vector type in function arg/return value

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102027

--- Comment #8 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Richard Biener from comment #7)
> Yes, it would be nice to transition away from relying on TYPE_MODE for
> argument passing.  Does the psABI say anything about this case or is it in
> the area of implementation defined behavior?

Arguments of types _Float16, float, double, _Decimal32, _Decimal64 and
__m64 are in class SSE.  V2SF is covered by __m64.