tree 18788ed5f6ffb44679acaee8faff9a5caf237f13
parent e4cdd4dbcbc75e373917d22214cd431643cd3610
author Mathieu Chartier <mathieuc@google.com> 1480630871 -0800
committer Mathieu Chartier <mathieuc@google.com> 1481050912 -0800

Reduce calls to DescriptorEquals

Store the low 3 bits of the descriptor hash inside of class set
entries. Compare these bits before comparing descriptors.

Simpleperf interpret-only compile of facebook:
mirror::Class::DescriptorEquals(char const*): 3.66% -> 1.03%

Bug: 32641252

Test: test-art-host

Change-Id: I8d898d4ac7c95383c49401fbcd85bfde226e026c