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Ping: [PATCH 00/11] gas: adjustments to floating point data directives handling

Jan Beulich jbeulich@suse.com
Fri Aug 6 15:19:21 GMT 2021 
Alan, Nick,

On 23.07.2021 08:49, Jan Beulich via Binutils wrote:
> This started out with me noticing that on x86 "long double" didn't
> get represented correctly: emitted sizes varied between directives
> used and/or decimal vs hex input, and the emitted size was wrong
> altogether for 64-bit (on ELF at least). But as happens frequently,
> once you start touching code, you find more issues. As a result
> this series then also adds support for BFloat16 and Half Precision
> values on x86. By doing so to a fair part in common code, this
> then allows removing the custom handling that was added to both
> Arm bitnesses a while ago.
> 
> I suppose there may be other architectures which are similarly
> affected, and where hence the new customization options may also
> want making use of. This also extends to non-ELF x86, which I
> leave as is not because I think handling is correct there, but
> merely because I don't know where respective ABI aspects would be
> spelled out.
> 
> Finally I got puzzled by insufficient distinction of NaN types
> that can be specified as well as unnecessary (in my view) code
> duplication between the handling of positive and negative
> infinities.
> 
> 01: x86: have non-PE/COFF BEOS be recognized as ELF
> 02: x86/ELF: fix .tfloat output
> 03: x86/ELF: fix .ds.x output
> 04: x86/ELF: fix .tfloat output with hex input
> 05: x86: introduce .hfloat directive
> 06: x86: introduce .bfloat16 directive
> 07: gas: make 2nd argument of .dcb.* consistently optional
> 08: Arm32: leave more .bfloat16 processing to common code
> 09: Arm64: leave .bfloat16 processing to common code
> 10: gas: support NaN flavors
> 11: gas: fold IEEE encoding of -Inf with that of +Inf

while I did get x86 side approval from H.J., only patch 1 could
reasonably go in without the additional approval by a general
maintainer (or Arm ones for the two Arm-specific patches). May I
ask for such, or comments towards changes I need to make to the
series?

Thanks, Jan
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