--- a/src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp	Mon Oct 01 16:41:10 2018 +0200
+++ b/src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp	Mon Oct 01 12:29:47 2018 -0400
@@ -1505,7 +1505,7 @@
 #ifndef PRODUCT
   {
     char buffer[64];
-    snprintf(buffer, sizeof(buffer), "0x%"PRIX64, imm64);
+    snprintf(buffer, sizeof(buffer), "0x%" PRIX64, imm64);
     block_comment(buffer);
   }
 #endif
@@ -1568,7 +1568,7 @@
 #ifndef PRODUCT
   {
     char buffer[64];
-    snprintf(buffer, sizeof(buffer), "0x%"PRIX64, imm64);
+    snprintf(buffer, sizeof(buffer), "0x%" PRIX64, imm64);
     block_comment(buffer);
   }
 #endif
@@ -1681,7 +1681,7 @@
 #ifndef PRODUCT
     {
       char buffer[64];
-      snprintf(buffer, sizeof(buffer), "0x%"PRIX32, imm32);
+      snprintf(buffer, sizeof(buffer), "0x%" PRIX32, imm32);
       block_comment(buffer);
     }
 #endif