src/cpu/aarch64/vm/macroAssembler_aarch64.hpp

rev 8067 : 8077615: AARCH64: Add C2 intrinsic for BigInteger::multiplyToLen() method
Summary: Add C2 intrinsic for BigInteger::multiplyToLen() on AArch64.
Reviewed-by: kvn

*** 1,8 ****
  /*
   * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
!  * Copyright (c) 2014, Red Hat Inc. 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
   * published by the Free Software Foundation.
--- 1,8 ----
  /*
   * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
!  * Copyright (c) 2014, 2015, Red Hat Inc. 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
   * published by the Free Software Foundation.
*** 165,175 ****
  
    virtual void notify(int type);
  
    // aliases defined in AARCH64 spec
  
- 
    template<class T>
    inline void  cmpw(Register Rd, T imm)  { subsw(zr, Rd, imm); }
    inline void cmp(Register Rd, unsigned imm)  { subs(zr, Rd, imm); }
  
    inline void cmnw(Register Rd, unsigned imm) { addsw(zr, Rd, imm); }
--- 165,174 ----
*** 1119,1131 ****
    void string_indexof(Register str1, Register str2,
                        Register cnt1, Register cnt2,
                        Register tmp1, Register tmp2,
                        Register tmp3, Register tmp4,
                        int int_cnt1, Register result);
! 
    // ISB may be needed because of a safepoint
    void maybe_isb() { isb(); }
  };
  
  // Used by aarch64.ad to control code generation
  #define treat_as_volatile(MEM_NODE)                                     \
    (MacroAssembler::use_acq_rel_for_volatile_fields() ? (MEM_NODE)->is_volatile() : false)
--- 1118,1155 ----
    void string_indexof(Register str1, Register str2,
                        Register cnt1, Register cnt2,
                        Register tmp1, Register tmp2,
                        Register tmp3, Register tmp4,
                        int int_cnt1, Register result);
! private:
!   void add2_with_carry(Register final_dest_hi, Register dest_hi, Register dest_lo,
!                        Register src1, Register src2);
!   void add2_with_carry(Register dest_hi, Register dest_lo, Register src1, Register src2) {
!     add2_with_carry(dest_hi, dest_hi, dest_lo, src1, src2);
!   }
!   void multiply_64_x_64_loop(Register x, Register xstart, Register x_xstart,
!                              Register y, Register y_idx, Register z,
!                              Register carry, Register product,
!                              Register idx, Register kdx);
!   void multiply_128_x_128_loop(Register y, Register z,
!                                Register carry, Register carry2,
!                                Register idx, Register jdx,
!                                Register yz_idx1, Register yz_idx2,
!                                Register tmp, Register tmp3, Register tmp4,
!                                Register tmp7, Register product_hi);
! public:
!   void multiply_to_len(Register x, Register xlen, Register y, Register ylen, Register z,
!                        Register zlen, Register tmp1, Register tmp2, Register tmp3,
!                        Register tmp4, Register tmp5, Register tmp6, Register tmp7);
    // ISB may be needed because of a safepoint
    void maybe_isb() { isb(); }
+ 
+ private:
+   // Return the effective address r + (r1 << ext) + offset.
+   // Uses rscratch2.
+   Address offsetted_address(Register r, Register r1, Address::extend ext,
+                             int offset, int size);
  };
  
  // Used by aarch64.ad to control code generation
  #define treat_as_volatile(MEM_NODE)                                     \
    (MacroAssembler::use_acq_rel_for_volatile_fields() ? (MEM_NODE)->is_volatile() : false)