8317730: Change byte_size to return size_t

albertnetymk · albertnetymk · commit fb4098ff1a7c · 2023-10-10T11:55:07.000Z
Reviewed-by: coleenp, kbarrett
diff --git a/src/hotspot/share/utilities/globalDefinitions.hpp b/src/hotspot/share/utilities/globalDefinitions.hpp
@@ -1138,8 +1138,8 @@ static inline julong uabs(jlong n) { return uabs((julong)n); }
 static inline unsigned int uabs(int n) { return uabs((unsigned int)n); }
 
 // "to" should be greater than "from."
-inline intx byte_size(void* from, void* to) {
-  return (address)to - (address)from;
+inline size_t byte_size(void* from, void* to) {
+  return pointer_delta(to, from, sizeof(char));
 }
 
 // Pack and extract shorts to/from ints:

Original file line number	Diff line number	Diff line change
`@@ -1138,8 +1138,8 @@ static inline julong uabs(jlong n) { return uabs((julong)n); }`
`1138`	`1138`	`static inline unsigned int uabs(int n) { return uabs((unsigned int)n); }`
`1139`	`1139`
`1140`	`1140`	`// "to" should be greater than "from."`
`1141`		`-inline intx byte_size(void* from, void* to) {`
`1142`		`- return (address)to - (address)from;`
	`1141`	`+inline size_t byte_size(void* from, void* to) {`
	`1142`	`+ return pointer_delta(to, from, sizeof(char));`
`1143`	`1143`	`}`
`1144`	`1144`
`1145`	`1145`	`// Pack and extract shorts to/from ints:`