(L) Prelim RFR: 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables

David Holmes david.holmes at oracle.com
Fri Nov 6 11:20:13 UTC 2015

On 6/11/2015 8:57 PM, Andrew Haley wrote:
> On 06/11/15 10:09, David Holmes wrote:
>> On 6/11/2015 7:53 PM, Andrew Haley wrote:
>>> On 05/11/15 22:54, David Holmes wrote:
>>>> Not sure why you had to inject the helper rather than just "call"
>>>> Thread::current()
>>> Because Thread::current() might clobber vector state.  It's perfectly
>>> well allowed to.
>> Sorry I really don't understand. If Thread::current can clobber state
>> then your helper will have to preserve it. So why can't the caller of
>> the helper do the same preservation and skip the need for a helper??
> My helper is written in assembly language.  It is not written in C.
> It does not call Thread::current().  It accesses the _thread variable
> directly.  It does not clobber vector state.

Doh! Sorry.


> Andrew.

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