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Re: [PATCH, rs6000, testsuite] Fix PR target/64579, __TM_end __builtin_tend failed to return transactional state


On Fri, 2015-04-24 at 11:40 -0400, David Edelsohn wrote:
> On Fri, Apr 24, 2015 at 11:34 AM, Segher Boessenkool
> > All looks great to me now, thanks for the changes,
> 
> Okay for me.

In back porting my patch, I see that the patch doesn't apply
cleanly to the 4.8/4.9 branch code.  Looking at why, I see that it's
because the 4.8/4.9 code doesn't have the following change from
Segher.  I think we want this patch back ported too, don't we?

2014-09-11  Segher Boessenkool  <segher@kernel.crashing.org>

       * config/rs6000/htm.md (tabort, tabortdc, tabortdci, tabortwc,
       tabortwci, tbegin, tcheck, tend, trechkpt, treclaim, tsr): Use xor
       instead of minus.
       * config/rs6000/vector.md (cr6_test_for_zero_reverse,
       cr6_test_for_lt_reverse): Ditto.

If so, I can back port it and test it along with mine.  Otherwise, I'll
just work around it.  Let me know what you want me to do.

Peter



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