From: "Diego Novillo" <dnovillo@google.com>
To: "Ian Lance Taylor" <iant@google.com>
Cc: "Godmar Back" <godmar@gmail.com>, gcc-help@gcc.gnu.org
Subject: Re: optimization of switch statements on i386
Date: Mon, 11 Feb 2008 18:47:00 -0000 [thread overview]
Message-ID: <b798aad50802111047n59175822ha2ade5ff2d9ff532@mail.gmail.com> (raw)
In-Reply-To: <m34pcftm44.fsf@localhost.localdomain>
On 11 Feb 2008 09:54:19 -0800, Ian Lance Taylor <iant@google.com> wrote:
> gcc_unreachable means nothing special to gcc.
But it does have control-flow connotations. The function ultimately
expands into fancy_abort, which is marked noreturn. We do use that
fact in the optimizer.
Diego.
next prev parent reply other threads:[~2008-02-11 18:47 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <719dced30802081629g19f67f6fi76dfaa0ede35b7aa@mail.gmail.com>
2008-02-09 0:31 ` Godmar Back
2008-02-09 2:05 ` Ian Lance Taylor
2008-02-09 2:43 ` Godmar Back
2008-02-09 2:52 ` Ian Lance Taylor
2008-02-09 3:02 ` Godmar Back
2008-02-11 17:55 ` Ian Lance Taylor
2008-02-11 18:13 ` Godmar Back
2008-02-11 19:31 ` Ian Lance Taylor
2008-02-11 18:47 ` Diego Novillo [this message]
2008-02-11 19:52 ` Godmar Back
2008-02-11 20:01 ` Ian Lance Taylor
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