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Re: [Tinycc-devel] aarch64: subnormal double to long double conversion b
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From: |
Vincent Lefevre |
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Subject: |
Re: [Tinycc-devel] aarch64: subnormal double to long double conversion bug |
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Date: |
Thu, 16 Jul 2020 02:13:32 +0200 |
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User-agent: |
Mutt/1.14.5+76 (bb407ec3) vl-127292 (2020-06-24) |
On 2020-07-15 23:15:59 +0200, Michael Matz wrote:
> Hello,
>
> On Wed, 15 Jul 2020, Vincent Lefevre wrote:
>
> > With TCC mob on aarch64, the double to long double conversion
> > is buggy on subnormal values. This makes a MPFR test fail
> > (reported by Christian Jullien).
>
> Thanks for the report, it was indeed unhandled in the support routines. I
> fixed this in mob for riscv64, but the routines are shared with aarch64 so
> it's likely also fixed there, please check.
Thanks. Everything is fine now.
--
Vincent Lefèvre <vincent@vinc17.net> - Web: <https://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)