src/hotspot/cpu/aarch64/macroAssembler_aarch64.hpp

rev 54670 : Port of valuetypes to aarch64

*** 25,34 ****
--- 25,36 ----
  
  #ifndef CPU_AARCH64_MACROASSEMBLER_AARCH64_HPP
  #define CPU_AARCH64_MACROASSEMBLER_AARCH64_HPP
  
  #include "asm/assembler.hpp"
+ #include "runtime/signature.hpp"
+ 
  
  // MacroAssembler extends Assembler by frequently used macros.
  //
  // Instructions for which a 'better' code sequence exists depending
  // on arguments should also go in here.
*** 582,591 ****
--- 584,605 ----
  
    virtual void null_check(Register reg, int offset = -1);
    static bool needs_explicit_null_check(intptr_t offset);
    static bool uses_implicit_null_check(void* address);
  
+   void test_klass_is_value(Register klass, Register temp_reg, Label& is_value);
+ 
+   void test_field_is_flattenable(Register flags, Register temp_reg, Label& is_flattenable);
+   void test_field_is_not_flattenable(Register flags, Register temp_reg, Label& notFlattenable);
+   void test_field_is_flattened(Register flags, Register temp_reg, Label& is_flattened);
+ 
+   // Check klass/oops is flat value type array (oop->_klass->_layout_helper & vt_bit)
+   void test_flat_array_klass(Register klass, Register temp_reg, Label& is_flat_array);
+   void test_flat_array_oop(Register oop, Register temp_reg, Label& is_flat_array);
+ 
+ 
+ 
    static address target_addr_for_insn(address insn_addr, unsigned insn);
    static address target_addr_for_insn(address insn_addr) {
      unsigned insn = *(unsigned*)insn_addr;
      return target_addr_for_insn(insn_addr, insn);
    }
*** 1139,1148 ****
--- 1153,1175 ----
    void sub(Register Rd, Register Rn, RegisterOrConstant decrement);
    void subw(Register Rd, Register Rn, RegisterOrConstant decrement);
  
    void adrp(Register reg1, const Address &dest, unsigned long &byte_offset);
  
+ 
+   enum RegState {
+      reg_readonly,
+      reg_writable,
+      reg_written
+   };
+ 
+ // Unpack all value type arguments passed as oops 
+   void unpack_value_args(Compile* C, bool receiver_only);
+   bool move_helper(VMReg from, VMReg to, BasicType bt, RegState reg_state[], int ret_off);
+   bool unpack_value_helper(const GrowableArray<SigEntry>* sig, int& sig_index, VMReg from, VMRegPair* regs_to, int& to_index, RegState reg_state[], int ret_off);
+   void verified_entry(Compile* C, int sp_inc);
+ 
    void tableswitch(Register index, jint lowbound, jint highbound,
                     Label &jumptable, Label &jumptable_end, int stride = 1) {
      adr(rscratch1, jumptable);
      subsw(rscratch2, index, lowbound);
      subsw(zr, rscratch2, highbound - lowbound);
*** 1231,1240 ****
--- 1258,1269 ----
  
    void string_equals(Register a1, Register a2, Register result, Register cnt1,
                       int elem_size);
  
    void fill_words(Register base, Register cnt, Register value);
+   void fill_words(Register base, u_int64_t cnt, Register value);
+ 
    void zero_words(Register base, u_int64_t cnt);
    void zero_words(Register ptr, Register cnt);
    void zero_dcache_blocks(Register base, Register cnt);
  
    static const int zero_words_block_size;