RE: Write System Pointer to User Space

"Steve Richter" <[email protected]>
Newsgroups gmane.comp.lang.as400.mi
Message-ID <[email protected]>

-----Original Message-----
From: mi400-bounces-Zwy7GipZuJhWk0Htik3J/[email protected] [mailto:mi400-bounces-Zwy7GipZuJhWk0Htik3J/[email protected]]On
Behalf Of Dave McKenzie
Sent: Sunday, June 19, 2005 2:11 PM
To: MI Programming on the AS400 / iSeries
Subject: Re: [MI400] Write System Pointer to User Space


Hi Peter,

>Here's a pgm that does that.  The "memcpy" function does the equivalent
>of a CPYBWP (Copy Bytes With Pointers) MI instruction under the covers.

I have always assumed that CPYBWP was slower than CPYBLA.  Not true? Does memcpy always use CPYBWP in place of CPYBLA? ( I know,  LDQ and STQ! )

-Steve



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