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Re: [RFC v3 21/23] RISC-V: Fix llrint and llround missing exceptions on RV32

From: Florian Weimer <fweimer at redhat dot com>
To: Alistair Francis <alistair dot francis at wdc dot com>
Cc: libc-alpha at sourceware dot org, arnd at arndb dot de, adhemerval dot zanella at linaro dot org, palmer at sifive dot com, macro at wdc dot com, zongbox at gmail dot com, alistair23 at gmail dot com
Date: Wed, 17 Jul 2019 14:22:29 +0200
Subject: Re: [RFC v3 21/23] RISC-V: Fix llrint and llround missing exceptions on RV32
References: <cover.1563321715.git.alistair.francis@wdc.com> <cf2313de2ee3d0ea79a249a5a57d102315be7995.1563321716.git.alistair.francis@wdc.com>

* Alistair Francis:

> +/* As of GCC 5, the generic libgcc2.c conversions from floating point
> +   to long long may not raise the correct exceptions on overflow (and
> +   may raise spurious "inexact" exceptions even in non-overflow cases,
> +   see <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59412>).  */

Is there really a GCC 5 port for RV32?  If not, the comment is wrong.

Thanks,
Florian

Follow-Ups:
- Re: [RFC v3 21/23] RISC-V: Fix llrint and llround missing exceptions on RV32
  - From: Alistair Francis

References:
- [RFC v3 00/23] RISC-V glibc port for the 32-bit
  - From: Alistair Francis
- [RFC v3 21/23] RISC-V: Fix llrint and llround missing exceptions on RV32
  - From: Alistair Francis

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