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From: | Gregory Casamento |
Subject: | Re: WWDC 2013: Apple disclosed their pointer tagging implementation. |
Date: | Sat, 15 Jun 2013 06:08:55 -0400 |
I am watching a video session from WWDC 2013 and Apple revealed their way of implementing tagged pointers: use the sole LSB, 1 for tagged pointer and 0 for normal ones. This is applied across all platforms, i386, amd64, armv7 and armv7s (compatible to armv7a in Coretx-A15 and partly compatible with AArch64 in 32-bit mode)
Okay technically I am still under NDA so this is pretty much what I can say.
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