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From: kevin diggs <diggskevin38@gmail.com>
To: Ian Lance Taylor <iant@google.com>
Cc: gcc-help@gcc.gnu.org
Subject: Re: code gen for C string literals
Date: Tue, 15 Feb 2011 20:03:00 -0000	[thread overview]
Message-ID: <AANLkTim4CrAJG5r4g24ObGTowG5v8rRERpV6ppLKCEhB@mail.gmail.com> (raw)
In-Reply-To: <mcr8vxh6wib.fsf@google.com>

Hi,

As always, thanks for the replies.

On Tue, Feb 15, 2011 at 11:25 AM, Ian Lance Taylor <iant@google.com> wrote:
> kevin diggs <diggskevin38@gmail.com> writes:
>
>
> GIMPLE is the representation used by the middle-end.

??? what is the relationship between GIMPLE and RTL, which at my VERY
EARLY understanding of what goes on under the hood I would have
thought was the middle-end representation? Is RTL "the back-end
representation" (my guess would have been asm though maybe that is the
output)?

>
> SSA is a compiler optimization technique which heavily influences the
> design of the intermediate representation.  See
> http://en.wikipedia.org/wiki/Static_single_assignment_form .
>
Is SSA new? i.e. in what gcc version did it start getting used?

Thanks!

kevin

> Ian
>

  reply	other threads:[~2011-02-15 19:42 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-12 20:20 kevin diggs
2011-02-14  5:10 ` Ian Lance Taylor
2011-02-14 16:43   ` kevin diggs
2011-02-14 17:47     ` Ian Lance Taylor
2011-02-15 17:25       ` kevin diggs
2011-02-15 19:42         ` Ian Lance Taylor
2011-02-15 20:03           ` kevin diggs [this message]
2011-02-15 23:11             ` Ian Lance Taylor

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