From: Bobby Bingham <koorogi@koorogi.info>
To: musl@lists.openwall.com
Subject: Re: long double on powerpc64
Date: Mon, 14 Mar 2016 15:13:12 -0500 [thread overview]
Message-ID: <20160314201311.GB1116@dora.lan> (raw)
In-Reply-To: <20160311130434.GE29662@port70.net>
On Fri, Mar 11, 2016 at 02:04:35PM +0100, Szabolcs Nagy wrote:
> if long double is 64bit then the 128bit hw floats cannot be used
> with musl, because we don't want library support for __float128.
>
> note that the glibc position is that for __float128 support the
> minimum required gcc version has to change to gcc-7 because it is
> abi and libc needs complex support (which will not be in gcc-6 yet).
> https://gcc.gnu.org/ml/gcc-patches/2015-12/msg02222.html
> https://sourceware.org/ml/libc-alpha/2016-03/msg00193.html
>
> the problem with -ld64 suffix is that gcc-6 already has hardcoded
> dynamic linker names (i don't think we can change that now, before
> the gcc-6 release).
>
> so i'd leave the dynlinker name as is, use 64bit ld for now and
> rediscuss the issue when ieee128 long double works in gcc-7
I'd forgotten about GCC needing to know the dynlinker name. I agree
with your suggestions here.
prev parent reply other threads:[~2016-03-14 20:13 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-11 3:16 Bobby Bingham
2016-03-11 4:17 ` Rich Felker
2016-03-11 11:19 ` Justin Cormack
2016-03-11 13:04 ` Szabolcs Nagy
2016-03-11 15:55 ` Rich Felker
2016-03-11 16:38 ` Szabolcs Nagy
2016-03-14 20:13 ` Bobby Bingham [this message]
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