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From: Joseph Myers <joseph@codesourcery.com>
To: Jonathan Wakely <jwakely@redhat.com>
Cc: Jakub Jelinek <jakub@redhat.com>,
	Patrick Palka <ppalka@redhat.com>, <libstdc++@gcc.gnu.org>,
	<gcc-patches@gcc.gnu.org>
Subject: Re: [PATCH] libstdc++: Add _Float128 to_chars/from_chars support for x86, ia64 and ppc64le with glibc
Date: Mon, 7 Nov 2022 17:52:13 +0000	[thread overview]
Message-ID: <ec68e61c-da7e-cabc-ded0-14bc42d485e1@codesourcery.com> (raw)
In-Reply-To: <CACb0b4nU=KV8kn12CGtfumATLfSnpJGg+vhLj4mAcZqw4=o07w@mail.gmail.com>

On Mon, 7 Nov 2022, Jonathan Wakely wrote:

> This seems to "fix" it (not sure if it's right though):
> 
> #ifndef _GLIBCXX_HAVE_FLOAT128_MATH
> extern "C" _Float128 __strtof128(const char*, char**)
>  __attribute__((__weak__));
> #endif
> extern "C" _Float128 __strtof128(const char*, char**)
>  __asm ("strtof128");

Probably putting the __asm before the __attribute__ would also work 
without needing a separate declaration (but might be less convenient for 
the #if conditionals).

-- 
Joseph S. Myers
joseph@codesourcery.com

  reply	other threads:[~2022-11-07 17:52 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-02  9:25 Jakub Jelinek
2022-11-07 13:45 ` Jonathan Wakely
2022-11-07 16:11 ` Joseph Myers
2022-11-07 17:48   ` Jonathan Wakely
2022-11-07 17:52     ` Joseph Myers [this message]
2022-11-07 19:13     ` Jakub Jelinek
2022-11-07 22:43       ` Jonathan Wakely
2022-11-08  1:41         ` Joseph Myers
2022-11-08  8:43           ` Jakub Jelinek

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