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From: Alexander Monakov <amonakov@ispras.ru>
To: musl@lists.openwall.com
Cc: Rich Felker <dalias@libc.org>
Subject: Re: [musl] [C23 128 bit 4/4] C23: implement proper support for int128_t and uint128_t
Date: Wed, 31 May 2023 19:30:16 +0300 (MSK)	[thread overview]
Message-ID: <84a7a59e-afe9-2b63-7039-25f9638cfb0b@ispras.ru> (raw)
In-Reply-To: <20230531175628.168043d2@inria.fr>

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On Wed, 31 May 2023, Jₑₙₛ Gustedt wrote:

> Again, this is not an extension but an optional feature, and this has
> nothing of bleeding edge. This is present in compilers since ages, and
> everybody is using their specific ways to go around the restrictions
> of previous C standards.

So, to make sure, by compiler support do you mean __int128 here? It is
not supported on 32-bit platforms neither by GCC nor by LLVM. On 64-bit
platforms it is piggy-backing on double-word operations support required
for implementing 64-bit 'long long' on 32-bit platforms.

Alexander

  reply	other threads:[~2023-05-31 16:30 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-31 14:15 [musl] [C23 128 bit 0/4] implement the library part of 128 bit support Jens Gustedt
2023-05-31 14:15 ` [musl] [C23 128 bit 1/4] add an emulation for 128 bit arithmetic as needed for C library support Jens Gustedt
2023-05-31 14:15 ` [musl] [C23 128 bit 2/4] C23: implement w128 and wf128 support for printf Jens Gustedt
2023-05-31 14:15 ` [musl] [C23 128 bit 3/4] C23: implement w128 and wf128 for scanf and similar Jens Gustedt
2023-05-31 14:15 ` [musl] [C23 128 bit 4/4] C23: implement proper support for int128_t and uint128_t Jens Gustedt
2023-05-31 14:27   ` Rich Felker
2023-05-31 14:29     ` Rich Felker
2023-05-31 14:36     ` Jₑₙₛ Gustedt
2023-05-31 14:41       ` Rich Felker
2023-05-31 14:55         ` Jₑₙₛ Gustedt
2023-05-31 14:57           ` Rich Felker
2023-05-31 15:07             ` Jₑₙₛ Gustedt
2023-05-31 15:14               ` Rich Felker
2023-05-31 15:37                 ` Jₑₙₛ Gustedt
2023-05-31 15:40                   ` Rich Felker
2023-05-31 15:56                     ` Jₑₙₛ Gustedt
2023-05-31 16:30                       ` Alexander Monakov [this message]
2023-05-31 16:58                         ` Jens Gustedt
2023-05-31 17:03                           ` Rich Felker
2023-05-31 17:09                           ` Alexander Monakov
2023-06-01  7:24                             ` Jₑₙₛ Gustedt
2023-05-31 14:42     ` Jₑₙₛ Gustedt
2023-05-31 14:47       ` Rich Felker

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