Re: [rtl] Problems with RDTSC examples posted here recently

[Chunky Kibbles <gjb105@cs.york.ac.uk>]

On Thu, Nov 01, 2001 at 02:54:37PM -0700, John Regehr wrote:
> > Don't forget to make sure it's __volatile__, elsewise this is the very
> > epitome of what would produce dodgy results...
> 
> Right.  So method2 and method2A seem to be broken in multiple ways -
> forget you ever saw them.  Rather, look at this page:
> 
> http://www-106.ibm.com/developerworks/linux/library/l-ia.html?dwzone=linux
> 
> which has a nice explanation of inline assembly syntax for gcc, and even
> explains why method1 is the right way to code rdtsc.

Yep. All of the above are conclusions I came to [and actually used]
having read http://sag-www.ssl.berkeley.edu/~korpela/djgpp_asm.html

Thanks,
Gary (-;