33 
34   uintptr_t tried_below = 0;
35 
36   // First, attempt to allocate < 4GB. We do this unconditionally:
37   // - if optimize_for_zero_base, a <4GB mapping start allows us to use base=0 shift=0
38   // - if !optimize_for_zero_base, a <4GB mapping start allows us to use algfi
39   result = reserve_address_space_for_unscaled_encoding(size, aslr);
40 
41   // Failing that, try optimized for base=0 shift>0
42   if (result == nullptr && optimize_for_zero_base) {
43     result = reserve_address_space_for_zerobased_encoding(size, aslr);
44   }
45 
46   // Failing that, aim for a base that is 4G-aligned; such a base can be set with aih.
47   if (result == nullptr) {
48     result = reserve_address_space_for_16bit_move(size, aslr);
49   }
50 
51   return result;
52 }

33 
34   uintptr_t tried_below = 0;
35 
36   // First, attempt to allocate < 4GB. We do this unconditionally:
37   // - if optimize_for_zero_base, a <4GB mapping start allows us to use base=0 shift=0
38   // - if !optimize_for_zero_base, a <4GB mapping start allows us to use algfi
39   result = reserve_address_space_for_unscaled_encoding(size, aslr);
40 
41   // Failing that, try optimized for base=0 shift>0
42   if (result == nullptr && optimize_for_zero_base) {
43     result = reserve_address_space_for_zerobased_encoding(size, aslr);
44   }
45 
46   // Failing that, aim for a base that is 4G-aligned; such a base can be set with aih.
47   if (result == nullptr) {
48     result = reserve_address_space_for_16bit_move(size, aslr);
49   }
50 
51   return result;
52 }
53 
54 bool CompressedKlassPointers::pd_initialize(address addr, size_t len) { return false; }