src/share/vm/utilities/globalDefinitions.hpp

*** 1147,1158 ****
    // (if p = 0 then overflow occurred and i = 31)
    return i;
  }
  
  //* largest i such that 2^i <= x
! //  A negative value of 'x' will return '63'
! inline int log2_long(unsigned long x) {
    int i = -1;
    julong p =  1;
    while (p != 0 && p <= x) {
      // p = 2^(i+1) && p <= x (i.e., 2^(i+1) <= x)
      i++; p *= 2;
--- 1147,1157 ----
    // (if p = 0 then overflow occurred and i = 31)
    return i;
  }
  
  //* largest i such that 2^i <= x
! inline int log2_long(julong x) {
    int i = -1;
    julong p =  1;
    while (p != 0 && p <= x) {
      // p = 2^(i+1) && p <= x (i.e., 2^(i+1) <= x)
      i++; p *= 2;
*** 1164,1183 ****
  
  inline int log2_intptr(intptr_t x) {
    return log2_intptr((uintptr_t)x);
  }
  
! inline int log2_intptr(int x) {
    return log2_intptr((uintptr_t)x);
  }
  
! inline int log2_intptr(uint x) {
    return log2_intptr((uintptr_t)x);
  }
  
! inline int log2_long(jlong x) {
!   return log2_long((unsigned long)x);
  }
  
  //* the argument must be exactly a power of 2
  inline int exact_log2(intptr_t x) {
    #ifdef ASSERT
--- 1163,1187 ----
  
  inline int log2_intptr(intptr_t x) {
    return log2_intptr((uintptr_t)x);
  }
  
! inline int log2_int(int x) {
    return log2_intptr((uintptr_t)x);
  }
  
! inline int log2_jint(jint x) {
    return log2_intptr((uintptr_t)x);
  }
  
! inline int log2_uint(uint x) {
!   return log2_intptr((uintptr_t)x);
! }
! 
! //  A negative value of 'x' will return '63'
! inline int log2_jlong(jlong x) {
!   return log2_long((julong)x);
  }
  
  //* the argument must be exactly a power of 2
  inline int exact_log2(intptr_t x) {
    #ifdef ASSERT