Re: Accelerated Objective-C Dispatch
Re: Accelerated Objective-C Dispatch
- Subject: Re: Accelerated Objective-C Dispatch
- From: Scott Tooker <email@hidden>
- Date: Wed, 1 Jun 2005 13:33:56 -0700
Yes, Accelerated Objective-C Dispatch is not supported on versions of
Mac OS X prior to 10.4.
Scott
On Jun 1, 2005, at 10:57 AM, Daniel Jalkut wrote:
This is the first I've heard of this feature by name, but I assume
it's the same feature that's causing all of these objc_msgSend_rtp
calls to appear in Apple's code on Tiger? Is this documented
somewhere?
I strongly suspect that this won't have any kind of fallback
mechanism for 10.3, since the implementation is an absolute branch
to high-memory, and there's nothing on 10.3 that would have
implemented meaningful code at that point in high memory. If there
was, I guess the dispatch would be fast on 10.3, too :)
Daniel
On Jun 1, 2005, at 9:33 AM, Jonathan del Strother wrote:
Will executables built with Accelerated Objective-C Dispatch run
on 10.3? I know the accelerated dispatch itself won't work, I was
just wondering if there was some sort of fallback mechanism for
backwards compatibility.
Jon
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