hotspot/src/cpu/aarch64/vm/c1_LIRGenerator_aarch64.cpp
changeset 45632 e56cfcaea55c
parent 45115 e3a622b2b7db
--- a/hotspot/src/cpu/aarch64/vm/c1_LIRGenerator_aarch64.cpp	Sat Jun 17 11:50:50 2017 -0700
+++ b/hotspot/src/cpu/aarch64/vm/c1_LIRGenerator_aarch64.cpp	Tue Jun 20 14:37:25 2017 +0300
@@ -598,12 +598,12 @@
   } else {
     assert (x->op() == Bytecodes::_imul, "expect imul");
     if (right.is_constant()) {
-      int c = right.get_jint_constant();
-      if (! is_power_of_2(c) && ! is_power_of_2(c + 1) && ! is_power_of_2(c - 1)) {
+      jint c = right.get_jint_constant();
+      if (c > 0 && c < max_jint && (is_power_of_2(c) || is_power_of_2(c - 1) || is_power_of_2(c + 1))) {
+        right_arg->dont_load_item();
+      } else {
         // Cannot use constant op.
-        right.load_item();
-      } else {
-        right.dont_load_item();
+        right_arg->load_item();
       }
     } else {
       right.load_item();