Commit cd77378e authored by Hiroshi Yamauchi's avatar Hiroshi Yamauchi
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Assembly region TLAB allocation fast path for arm64. 

This is for the CC collector.

Share the common fast path code with the tlab fast path code.

Speedup (on N9):
    BinaryTrees:  1235 -> 443 ms (-64%)
    MemAllocTest: 1647 -> 766 ms (-53%)

Bug: 9986565
Bug: 12687968
Change-Id: I67049cc0b4d6508934f07d039d421ee162b330bf
parent f2197e43
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