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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Thomas Munro <thomas.munro@gmail.com>
cc: Heikki Linnakangas <hlinnaka@iki.fi>,
        =?UTF-8?Q?Bastien_Roucari=C3=A8s?= <rouca@debian.org>,
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Subject: Re: Detection of hadware feature => please do not use signal
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Comments: In-reply-to Tom Lane <tgl@sss.pgh.pa.us>
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I wrote:
> It's very confusing, especially given this:

> $ gcc -march=3Darmv8-a+crc+fp testarm32.c
> gcc: error: 'armv8-a' does not support feature 'fp'
> gcc: note: valid feature names are: crc simd crypto nocrypto nofp sb pre=
dres; did you mean 'nofp'?

> If they think that base armv8-a doesn't include FP, why is there a
> +nofp option?

Bug filed at

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D117766

We'll see what they say, but it seems like we need a workaround
in any case.

			regards, tom lane