This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: should_duplicate_loop_header_p and volatile asm statements

From: Florian Weimer <fw at deneb dot enyo dot de>
To: Steven Bosscher <stevenb at suse dot de>
Cc: gcc at gcc dot gnu dot org
Date: Mon, 14 Nov 2005 10:42:15 +0100
Subject: Re: should_duplicate_loop_header_p and volatile asm statements
References: <87oe4nwp6g.fsf@mid.deneb.enyo.de><6901522.1131960834867.SLOX.WebMail.wwwrun@imap-dhs.suse.de>

* Steven Bosscher:

> On Nov 14, 2005 10:31 AM, Florian Weimer <fw@deneb.enyo.de> wrote:
>>
>> What do you think?
>
> I thought labels can't appear in an asm statement...?

Of course, you can put pretty much what you want into asm statements,
the compiler does not look at them.  Jumping from one asm statement to
another doesn't work reliably, though, and is mentioned in the
documentation.

References:
- should_duplicate_loop_header_p and volatile asm statements
  - From: Florian Weimer
- Re: should_duplicate_loop_header_p and volatile asm statements
  - From: Steven Bosscher

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]