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Subject: [Bug target/102027] [11/12 Regression] ABI break when using vector
 type in function arg/return value
Date: Tue, 24 Aug 2021 13:08:20 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102027

--- 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.=