[PATCH] D53919: [X86] Don't allow illegal vector types to return by direct value on x86-64.
H.J Lu via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Mon Nov 5 09:45:39 PST 2018
hjl.tools added a comment.
In https://reviews.llvm.org/D53919#1287510, @echristo wrote:
> In https://reviews.llvm.org/D53919#1282994, @hjl.tools wrote:
> > In https://reviews.llvm.org/D53919#1282952, @efriedma wrote:
> > > With both 3.3 and trunk (I don't have a 7.0 handy; I can build it if it would be helpful):
> > Please try clang 2.6 on both testcases.
> From the releases:
> 23 Oct 2009 2.6
> ... why would you care about a 9 year old version of clang?
It is about ABI consistency. When AVX isn't enabled, the old and compilers should
use the same calling convention.
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