Date: Fri, 8 Mar 2024 06:57:14 +0100 From: Paul Floyd <pjfloyd@wanadoo.fr> To: freebsd-arm@freebsd.org Subject: Re: clang inline asm Message-ID: <8273e5bf-bfa5-4ec0-bd8d-0716dec2dd6f@wanadoo.fr> In-Reply-To: <c46f534a-7fc6-4660-8711-1cf683e9dd14@wanadoo.fr> References: <c46f534a-7fc6-4660-8711-1cf683e9dd14@wanadoo.fr>
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On 07-03-24 13:52, Paul Floyd wrote:
> Hi
>
> I'm trying to port some tests from gcc to clang arm64.
>
> I've found fixes for most of the things (though I haven't checked that
> they still build with gcc).
>
> I'm a bit stuck on one:
>
> TESTINST3("add x21,x22,x23,uxtb #0", NN0, NN1, x21,x22,x23,0);
Hi
I have the answer. gas silently rewrites the third x register as a w
register. clang is stricter and generates an error.
A+
Paul
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