src/hotspot/cpu/x86/macroAssembler_x86.hpp

*** 26,35 ****
--- 26,36 ----
  #define CPU_X86_MACROASSEMBLER_X86_HPP
  
  #include "asm/assembler.hpp"
  #include "utilities/macros.hpp"
  #include "runtime/rtmLocking.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.
*** 96,105 ****
--- 97,116 ----
  
    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);
+ 
    // Required platform-specific helpers for Label::patch_instructions.
    // They _shadow_ the declarations in AbstractAssembler, which are undefined.
    void pd_patch_instruction(address branch, address target, const char* file, int line) {
      unsigned char op = branch[0];
      assert(op == 0xE8 /* call */ ||
*** 1598,1615 ****
    // sign extend as need a l to ptr sized element
    void movl2ptr(Register dst, Address src) { LP64_ONLY(movslq(dst, src)) NOT_LP64(movl(dst, src)); }
    void movl2ptr(Register dst, Register src) { LP64_ONLY(movslq(dst, src)) NOT_LP64(if (dst != src) movl(dst, src)); }
  
    // C2 compiled method's prolog code.
!   void verified_entry(int framesize, int stack_bang_size, bool fp_mode_24b, bool is_stub);
  
    // clear memory of size 'cnt' qwords, starting at 'base';
    // if 'is_large' is set, do not try to produce short loop
!   void clear_mem(Register base, Register cnt, Register rtmp, XMMRegister xtmp, bool is_large);
  
    // clear memory of size 'cnt' qwords, starting at 'base' using XMM/YMM registers
!   void xmm_clear_mem(Register base, Register cnt, XMMRegister xtmp);
  
  #ifdef COMPILER2
    void string_indexof_char(Register str1, Register cnt1, Register ch, Register result,
                             XMMRegister vec1, XMMRegister vec2, XMMRegister vec3, Register tmp);
  
--- 1609,1638 ----
    // sign extend as need a l to ptr sized element
    void movl2ptr(Register dst, Address src) { LP64_ONLY(movslq(dst, src)) NOT_LP64(movl(dst, src)); }
    void movl2ptr(Register dst, Register src) { LP64_ONLY(movslq(dst, src)) NOT_LP64(if (dst != src) movl(dst, src)); }
  
    // C2 compiled method's prolog code.
!   void verified_entry(Compile* C, int sp_inc = 0);
! 
!   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 restore_stack(Compile* C);
  
    // clear memory of size 'cnt' qwords, starting at 'base';
    // if 'is_large' is set, do not try to produce short loop
!   void clear_mem(Register base, Register cnt, Register val, XMMRegister xtmp, bool is_large, bool word_copy_only);
  
    // clear memory of size 'cnt' qwords, starting at 'base' using XMM/YMM registers
!   void xmm_clear_mem(Register base, Register cnt, Register val, XMMRegister xtmp);
  
  #ifdef COMPILER2
    void string_indexof_char(Register str1, Register cnt1, Register ch, Register result,
                             XMMRegister vec1, XMMRegister vec2, XMMRegister vec3, Register tmp);