[Bug target/110762] inappropriate use of SSE (or AVX) insns for v2sf mode operations

ubizjak at gmail dot com gcc-bugzilla@gcc.gnu.org
Fri Jul 21 09:36:24 GMT 2023


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110762

--- Comment #3 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Richard Biener from comment #1)
> So what's the issue?  That this is wrong for -ftrapping-math?  Or that the
> return value has undefined contents in the upper half?  (I don't think the
> ABI specifies how V2SF is returned)

__m64 is classified as SSE class, returned in XMM register.


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