Revert "Disable clang optimization to boot up on arm64."
This reverts commit 1675f2c5581c7b0b83c8823e2b4eb0ec62b28b7f.
With latest Android source, now we can boot up without this workaround.
BUG: 19180814
Change-Id: I8a7852573856dbbe10a5f4823f7261b8ecc7490c
diff --git a/runtime/base/bit_vector.cc b/runtime/base/bit_vector.cc
index c3e24a7..4390180 100644
--- a/runtime/base/bit_vector.cc
+++ b/runtime/base/bit_vector.cc
@@ -276,10 +276,6 @@
}
}
-#if defined(__clang__) && defined(__ARM_64BIT_STATE)
-// b/19180814 When POPCOUNT is inlined, boot up failed on arm64 devices.
-__attribute__((optnone))
-#endif
uint32_t BitVector::NumSetBits(const uint32_t* storage, uint32_t end) {
uint32_t word_end = WordIndex(end);
uint32_t partial_word_bits = end & 0x1f;