Re: thread-ready ABIs

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"Kevin D. Kissell" <kevink@mips.com> writes:

> As MIPS "owns" the ABI, whether or not the thread register
> becomes a part of it is not something that anyone outside
> of MIPS can simply decree.

Well, MIPS might define the "official" ABI but nobody is forced to use
it and if nobody uses it it's nor worth anything.

> I'd very much appreciate it if someone would explain to me just what
> this register is used for, and why a register needs to be permantly
> allocated for this purpose.

Simply look at the ABIs for some less-backward processors.  Read the
thread-local storage section in the IA-64 ABI specification.

-- 
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