1.1 --- a/src/share/vm/utilities/globalDefinitions.hpp Wed Feb 06 17:32:25 2019 +0100
1.2 +++ b/src/share/vm/utilities/globalDefinitions.hpp Wed Feb 06 11:41:51 2019 +0100
1.3 @@ -1149,8 +1149,7 @@
1.4 }
1.5
1.6 //* largest i such that 2^i <= x
1.7 -// A negative value of 'x' will return '63'
1.8 -inline int log2_long(unsigned long x) {
1.9 +inline int log2_long(julong x) {
1.10 int i = -1;
1.11 julong p = 1;
1.12 while (p != 0 && p <= x) {
1.13 @@ -1166,16 +1165,21 @@
1.14 return log2_intptr((uintptr_t)x);
1.15 }
1.16
1.17 -inline int log2_intptr(int x) {
1.18 +inline int log2_int(int x) {
1.19 return log2_intptr((uintptr_t)x);
1.20 }
1.21
1.22 -inline int log2_intptr(uint x) {
1.23 +inline int log2_jint(jint x) {
1.24 return log2_intptr((uintptr_t)x);
1.25 }
1.26
1.27 -inline int log2_long(jlong x) {
1.28 - return log2_long((unsigned long)x);
1.29 +inline int log2_uint(uint x) {
1.30 + return log2_intptr((uintptr_t)x);
1.31 +}
1.32 +
1.33 +// A negative value of 'x' will return '63'
1.34 +inline int log2_jlong(jlong x) {
1.35 + return log2_long((julong)x);
1.36 }
1.37
1.38 //* the argument must be exactly a power of 2
