src/hotspot/cpu/aarch64/interpreterRT_aarch64.cpp

8248238: Adding Windows support to OpenJDK on AArch64

Summary: LP64 vs LLP64 changes to add Windows support

Contributed-by: Monica Beckwith <monica.beckwith@microsoft.com>, Ludovic Henry <luhenry@microsoft.com>
Reviewed-by:

@@ -344,11 +344,11 @@
     intptr_t from_obj = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1));
     _from -= 2*Interpreter::stackElementSize;
 
     if (_num_fp_args < Argument::n_float_register_parameters_c) {
       *_fp_args++ = from_obj;
-      *_fp_identifiers |= (1 << _num_fp_args); // mark as double
+      *_fp_identifiers |= (1ULL << _num_fp_args); // mark as double
       _num_fp_args++;
     } else {
       *_to++ = from_obj;
       _num_fp_args++;
     }