From: Scott Wood <scottwood@freescale.com>
To: Bruce_Leonard@selinc.com
Cc: linuxppc-embedded@ozlabs.org
Subject: Re: Endian problem when accessing internel regs on 8347
Date: Thu, 17 Jan 2008 11:39:55 -0600 [thread overview]
Message-ID: <478F92EB.2000500@freescale.com> (raw)
In-Reply-To: <OF03A8BF8B.4AC46CCD-ON882573D3.00216F5B-882573D3.00236B8D@selinc.com>
Bruce_Leonard@selinc.com wrote:
> As an additional question related to PowerPC inline assembly, can anyone
> tell me what "%U1%X1" means in the following:
>
> __asm__ __volatile__("lwz%U1%X1 %0,%1; twi 0,%0,0; isync" : "=r" (ret) :
> "m" (*addr));
They allow the compiler to use update and/or index mode for the memory
operand.
-Scott
next prev parent reply other threads:[~2008-01-17 18:00 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-17 6:26 Endian problem when accessing internel regs on 8347 Bruce_Leonard
2008-01-17 15:01 ` Ben Warren
2008-01-17 18:01 ` Bruce_Leonard
2008-01-17 18:25 ` Ben Warren
2008-01-17 17:39 ` Scott Wood [this message]
2008-01-17 18:38 ` Bruce_Leonard
2008-01-17 22:18 ` Scott Wood
2008-01-21 7:21 ` Bruce_Leonard
2008-01-21 15:16 ` Ben Warren
2008-01-21 16:40 ` Scott Wood
2008-01-22 5:33 ` Bruce_Leonard
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