| d07453889fd9f314849df8c172afadb477e46d64 |
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23-Mar-2016 |
Aart Bik <ajcbik@google.com> |
Fix potential race condition with threads array.
Rationale:
Array should be filled with threads prior to first fork,
since only in that case does Java memory model ensure
all threads have consistent view of array, which itself is
subject to one test.
BUG=27805463
Change-Id: I28f1eb8461842217ced2255062d2135ef880e7d5
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| 700ae4071cc297e2c567322661704d5eb5af76ae |
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12-Mar-2016 |
Aart Bik <ajcbik@google.com> |
Complete the 1.8 unsafe memory fences tests.
Rationale:
The tests for the fences were still TODO, and this
change list completes them. Java does not quite allow
for a weak memory order on just the signal, but this
is as close as a real unit test as I can think of.
Also added a test suggested by Hans.
BUG=26264765
Change-Id: I2dcb9b02fa63f72daf4c39b3744ff2010888713e
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| 1193259cb37c9763a111825aa04718a409d07145 |
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08-Mar-2016 |
Aart Bik <ajcbik@google.com> |
Implement the 1.8 unsafe memory fences directly in HIR.
Rationale:
More efficient since it exposes full semantics to
all operations on the graph and allows for proper
code generation for all architectures.
bug=26264765
Change-Id: Ic435886cf0645927a101a8502f0623fa573989ff
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| 0e54c0160c84894696c05af6cad9eae3690f9496 |
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04-Mar-2016 |
Aart Bik <ajcbik@google.com> |
Unsafe: Recognize intrinsics for 1.8 java.util.concurrent
With unit test.
Rationale:
Recognizing the 1.8 methods as intrinsics is the first step
towards providing efficient implementation on all architectures.
Where not implemented (everywhere for now), the methods fall back
to the JNI native or reference implementation.
NOTE: needs iam's CL first!
bug=26264765
Change-Id: Ife65e81689821a16cbcdd2bb2d35641c6de6aeb6
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