17 Sep
2015
17 Sep
'15
12:37 p.m.
On Sep 17, 2015, at 3:27 PM, Paul Koning
<paulkoning at comcast.net> wrote:
I meant to explain that point on "why". Self modifying by definition #1 matters
if you're looking at I-cache management, but address space ID numbers may take care of
things. For #2, you're probably going to be doing explicit I-cache invalidation.
For #3 and #4 (which are subsets of #2) the same would be true if they were in current
use, but they generally aren't.
paul
On Sep 17, 2015, at 2:56 PM, dwight <dkelvey
at hotmail.com> wrote:
What is the definition of self modifying?
Is it changing an instruction to execute in the thread to be run?
How about adding or subtracting something to be done in an execution
queue?
I'm not sure if there is a universally agreed to definition.
It also matters why the question is asked. I can think of a couple of answers: