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From: Dirk Herrmann <dirk@dirk-herrmanns-seiten.de>
Cc: guile-devel@gnu.org
Subject: Re: scm_remember_upto_here asm volatile
Date: Sat, 23 Aug 2003 12:32:29 +0200	[thread overview]
Message-ID: <3F4742BD.9090704@dirk-herrmanns-seiten.de> (raw)
In-Reply-To: <878ypx2rk3.fsf@zip.com.au>

Kevin Ryde wrote:

>+  do {                                          \
>+    __asm__ __volatile__ ("" : : "g" (x));      \
>+  } while (0)
>  
>
Hello Kevin,

would you mind to add an explanation of the syntax of that construct? 
For example, what does the "g" mean? Since we don't have many asm 
instructions in guile, it is fair to assume that most of the developers 
don't know about the exact meaning of that construct.

Thanks a lot
Dirk Herrmann




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  reply	other threads:[~2003-08-23 10:32 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-05-11 22:19 scm_remember_upto_here asm volatile Kevin Ryde
2003-05-17 20:26 ` Marius Vollmer
2003-05-19  0:24   ` Kevin Ryde
2003-06-01 18:47     ` Marius Vollmer
2003-06-01 19:29       ` Mikael Djurfeldt
2003-08-13 21:09         ` Kevin Ryde
2003-08-23 10:32           ` Dirk Herrmann [this message]
2003-08-25 23:48             ` Kevin Ryde
2003-08-27  4:28               ` Dirk Herrmann
2003-08-27 23:49                 ` Kevin Ryde

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