src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp

*** 5066,5075 ****
--- 5066,5085 ----
    }
  
    // Check for short strings, i.e. smaller than wordSize.
    subs(cnt1, cnt1, elem_per_word);
    br(Assembler::LT, SHORT);
+   // large loop algo should be used for >= 64(large loop) + 16(post loop) bytes
+   cmp(cnt1, 80/elem_size);
+   br(Assembler::LT, NEXT_WORD);
+   RuntimeAddress stub = elem_size == 1
+           ? RuntimeAddress(StubRoutines::aarch64::large_array_equals_byte())
+           : RuntimeAddress(StubRoutines::aarch64::large_array_equals_char());
+   assert(stub.target() != NULL, "array_equals_long_* stub has not been generated");
+   trampoline_call(stub);
+   cbz(result, DONE);
+   mov(result, false); // reset result
    // Main 8 byte comparison loop.
    bind(NEXT_WORD); {
      ldr(tmp1, Address(post(a1, wordSize)));
      ldr(tmp2, Address(post(a2, wordSize)));
      subs(cnt1, cnt1, elem_per_word);