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* Update copyright dates with scripts/update-copyrights.Joseph Myers2017-01-011-1/+1
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* Update copyright dates with scripts/update-copyrights.Joseph Myers2016-01-041-1/+1
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* powerpc: Fix Copyright dates and CL entryAdhemerval Zanella2015-01-121-1/+1
| | | | | This patch fixes the copyright dates from files created by commit 8d2c0a5, 4b45943, and 56cf276.
* powerpc: Add adaptive elision to rwlocksAdhemerval Zanella2015-01-121-0/+3
| | | | | | This patch adds support for lock elision using ISA 2.07 hardware transactional memory for rwlocks. The logic is similar to the one presented in pthread_mutex lock elision.
* powerpc: Add the lock elision using HTMAdhemerval Zanella2015-01-121-0/+80
This patch adds support for lock elision using ISA 2.07 hardware transactional memory instructions for pthread_mutex primitives. Similar to s390 version, the for elision logic defined in 'force-elision.h' is only enabled if ENABLE_LOCK_ELISION is defined. Also, the lock elision code should be able to be built even with a compiler that does not provide HTM support with builtins. However I have noted the performance is sub-optimal due scheduling pressures.