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Re: Deprecate i386 for GCC 4.8?
- From: "H.J. Lu" <hjl dot tools at gmail dot com>
- To: Steven Bosscher <stevenb dot gcc at gmail dot com>
- Cc: GCC Mailing List <gcc at gcc dot gnu dot org>, Uros Bizjak <ubizjak at gmail dot com>
- Date: Wed, 12 Dec 2012 10:17:45 -0800
- Subject: Re: Deprecate i386 for GCC 4.8?
- References: <CABu31nNt-DtF3r9csE9vKcN=DgnKpaHgf3cNx8ugOCfxqd8n1g@mail.gmail.com>
On Wed, Dec 12, 2012 at 10:01 AM, Steven Bosscher <firstname.lastname@example.org> wrote:
> Linux support for i386 has been removed. Should we do the same for GCC?
> The "oldest" ix86 variant that'd be supported would be i486.
> The benefit would be a few good cleanups:
> * PROCESSOR_I386 / TARGET_386 can be removed
> * X86_TUNE_DOUBLE_WITH_ADD can be removed (always true)
> * X86_ARCH_CMPXCHG/X86_ARCH_XADD/X86_ARCH_BSWAP can be removed.
> * The only ix86 variant without lock-free atomic int support goes
> away, which probably allows for a few more cleanups in some of the
> libraries (?).
> Not much, but something is more than nothing :-)
I am for it.