src/cpu/aarch64/vm/interpreterRT_aarch64.cpp

rev 6466 : 8165673: AArch64: Fix JNI floating point argument handling
Reviewed-by: aph, adinn
Contributed-by: ningsheng.jian@linaro.org

*** 1,8 ****
  /*
   * Copyright (c) 2013, Red Hat Inc.
!  * Copyright (c) 2003, 2010, Oracle and/or its affiliates.
   * All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
--- 1,8 ----
  /*
   * Copyright (c) 2013, Red Hat Inc.
!  * Copyright (c) 2003, 2016, Oracle and/or its affiliates.
   * All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
*** 129,140 ****
    const Address src(from(), Interpreter::local_offset_in_bytes(offset()));
  
    if (_num_fp_args < Argument::n_float_register_parameters_c) {
      __ ldrs(as_FloatRegister(_num_fp_args++), src);
    } else {
!     __ ldrh(r0, src);
!     __ strh(r0, Address(to(), _stack_offset));
      _stack_offset += wordSize;
      _num_fp_args++;
    }
  }
  
--- 129,140 ----
    const Address src(from(), Interpreter::local_offset_in_bytes(offset()));
  
    if (_num_fp_args < Argument::n_float_register_parameters_c) {
      __ ldrs(as_FloatRegister(_num_fp_args++), src);
    } else {
!     __ ldrw(r0, src);
!     __ strw(r0, Address(to(), _stack_offset));
      _stack_offset += wordSize;
      _num_fp_args++;
    }
  }
  
*** 348,358 ****
      if (_num_fp_args < Argument::n_float_register_parameters_c) {
        *_fp_args++ = from_obj;
        _num_fp_args++;
      } else {
        *_to++ = from_obj;
!       _num_int_args++;
      }
    }
  
    virtual void pass_double()
    {
--- 348,358 ----
      if (_num_fp_args < Argument::n_float_register_parameters_c) {
        *_fp_args++ = from_obj;
        _num_fp_args++;
      } else {
        *_to++ = from_obj;
!       _num_fp_args++;
      }
    }
  
    virtual void pass_double()
    {
*** 363,373 ****
        *_fp_args++ = from_obj;
        *_fp_identifiers |= (1 << _num_fp_args); // mark as double
        _num_fp_args++;
      } else {
        *_to++ = from_obj;
!       _num_int_args++;
      }
    }
  
   public:
    SlowSignatureHandler(methodHandle method, address from, intptr_t* to)
--- 363,373 ----
        *_fp_args++ = from_obj;
        *_fp_identifiers |= (1 << _num_fp_args); // mark as double
        _num_fp_args++;
      } else {
        *_to++ = from_obj;
!       _num_fp_args++;
      }
    }
  
   public:
    SlowSignatureHandler(methodHandle method, address from, intptr_t* to)