8283789: CompilerPhaseTypeHelper::to_bitmask should operate on uint64_t

shipilev · shipilev · commit 8b656117dd15 · 2022-03-30T07:11:59.000Z
Reviewed-by: chagedorn, thartmann
diff --git a/src/hotspot/share/opto/phasetype.hpp b/src/hotspot/share/opto/phasetype.hpp
@@ -97,8 +97,8 @@ class CompilerPhaseTypeHelper {
   static const char* to_description(CompilerPhaseType cpt) {
     return phase_descriptions[cpt];
   }
-  static int to_bitmask(CompilerPhaseType cpt) {
-    return (1 << cpt);
+  static uint64_t to_bitmask(CompilerPhaseType cpt) {
+    return (UINT64_C(1) << cpt);
   }
 };
 

Original file line number	Diff line number	Diff line change
`@@ -97,8 +97,8 @@ class CompilerPhaseTypeHelper {`
`97`	`97`	`static const char* to_description(CompilerPhaseType cpt) {`
`98`	`98`	`return phase_descriptions[cpt];`
`99`	`99`	`}`
`100`		`- static int to_bitmask(CompilerPhaseType cpt) {`
`101`		`- return (1 << cpt);`
	`100`	`+ static uint64_t to_bitmask(CompilerPhaseType cpt) {`
	`101`	`+ return (UINT64_C(1) << cpt);`
`102`	`102`	`}`
`103`	`103`	`};`
`104`	`104`