commit e6316940db61faead36f9642cce137d41fc8f606
author Hiroshi Yamauchi <yamauchi@google.com> Wed Oct 07 15:41:48 2015 -0700
committer Hiroshi Yamauchi <yamauchi@google.com> Tue Oct 13 13:06:20 2015 -0700
tree cf0a97827af4679be4112d056855b5a673ee3a32
parent 8c812b71552a8a1b2bf06e430d355b12b7084807

Implement rosalloc fast path in assembly for 32 bit arm.

Measurements (N5, ms)
BinaryTrees:  1702 ->  987 (-42%)
MemAllocTest: 2480 -> 2270  (-8%)

Bug: 9986565

Change-Id: I460af3626ad724078463d27cf74a94b7ff7468c5

runtime/arch/quick_alloc_entrypoints.S

diff --git a/runtime/arch/quick_alloc_entrypoints.S b/runtime/arch/quick_alloc_entrypoints.S
index ef5edbb..fbacdbc 100644
--- a/runtime/arch/quick_alloc_entrypoints.S
+++ b/runtime/arch/quick_alloc_entrypoints.S
@@ -113,7 +113,8 @@
 GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_CHARS(_dlmalloc_instrumented, DlMallocInstrumented)
 GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_STRING(_dlmalloc_instrumented, DlMallocInstrumented)
 
-GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT(_rosalloc, RosAlloc)
+// This is to be separately defined for each architecture to allow a hand-written assembly fast path.
+// GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT(_rosalloc, RosAlloc)
 GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_RESOLVED(_rosalloc, RosAlloc)
 GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_INITIALIZED(_rosalloc, RosAlloc)
 GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_WITH_ACCESS_CHECK(_rosalloc, RosAlloc)