jdk8-mips64-public/hotspot: src/cpu/mips/vm/interp_masm_mips

src/cpu/mips/vm/interp_masm_mips_64.hpp@d885f8d65c58 (annotated)

src/cpu/mips/vm/interp_masm_mips_64.hpp

Tue, 26 Jul 2016 17:06:17 +0800

author: fujie
date: Tue, 26 Jul 2016 17:06:17 +0800
changeset 41: d885f8d65c58
parent 16: 3cedde979d75
child 6880: 52ea28d233d2
permissions: -rw-r--r--

Add multiply word to GPR instruction (mul) in MIPS assembler.

 /*
  * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2015, 2016, Loongson Technology. 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.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  *
  */
 // This file specializes the assember with interpreter-specific macros
 #ifndef CPU_MIPS_VM_INTERP_MASM_MIPS_64_HPP
 #define CPU_MIPS_VM_INTERP_MASM_MIPS_64_HPP
 #include "asm/macroAssembler.hpp"
 #include "asm/macroAssembler.inline.hpp"
 #include "interpreter/invocationCounter.hpp"
 #include "runtime/frame.hpp"
 class InterpreterMacroAssembler: public MacroAssembler {
 #ifndef CC_INTERP
  private:
   Register _locals_register; // register that contains the pointer to the locals
   Register _bcp_register; // register that contains the bcp
  protected:
   // Interpreter specific version of call_VM_base
   virtual void call_VM_leaf_base(address entry_point,
                                  int number_of_arguments);
   virtual void call_VM_base(Register oop_result,
                             Register java_thread,
                             Register last_java_sp,
                             address  entry_point,
                             int number_of_arguments,
                             bool check_exceptions);
   virtual void check_and_handle_popframe(Register java_thread);
   virtual void check_and_handle_earlyret(Register java_thread);
   // base routine for all dispatches
   void dispatch_base(TosState state, address* table, bool verifyoop = true);
 #endif // CC_INTERP
  public:
   InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code), _locals_register(LVP), _bcp_register(BCP) {}
   void  get_2_byte_integer_at_bcp(Register reg, Register tmp, int offset);
   void  get_4_byte_integer_at_bcp(Register reg, Register tmp, int offset);
   void load_earlyret_value(TosState state);
 #ifdef CC_INTERP
   void save_bcp()                                          { /*  not needed in c++ interpreter and harmless */ }
   void restore_bcp()                                       { /*  not needed in c++ interpreter and harmless */ }
   // Helpers for runtime call arguments/results
   void get_method(Register reg);
 #else
   // Interpreter-specific registers
   void save_bcp() {
     sd(BCP, FP, frame::interpreter_frame_bcx_offset * wordSize);
   }
   void restore_bcp() {
     ld(BCP, FP, frame::interpreter_frame_bcx_offset * wordSize);
   }
   void restore_locals() {
     ld(LVP, FP, frame::interpreter_frame_locals_offset * wordSize);
   }
   // Helpers for runtime call arguments/results
   void get_method(Register reg) {
     ld(reg, FP, frame::interpreter_frame_method_offset * wordSize);
   }
   void get_const(Register reg){
     get_method(reg);
     ld(reg, reg, in_bytes(Method::const_offset()));
   }
   void get_constant_pool(Register reg) {
     get_const(reg);
     ld(reg, reg, in_bytes(ConstMethod::constants_offset()));
   }
   void get_constant_pool_cache(Register reg) {
     get_constant_pool(reg);
     ld(reg, reg, ConstantPool::cache_offset_in_bytes());
   }
   void get_cpool_and_tags(Register cpool, Register tags) {
     get_constant_pool(cpool);
     ld(tags, cpool, ConstantPool::tags_offset_in_bytes());
   }
   void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset);
   void get_cache_and_index_at_bcp(Register cache, Register index,
                                   int bcp_offset, size_t index_size = sizeof (u2));
   void get_cache_and_index_and_bytecode_at_bcp(Register cache, Register index,
                                                Register bytecode, int byte_no,
                                                int bcp_offset, size_t index_size = sizeof(u2));
   void get_cache_entry_pointer_at_bcp(Register cache, Register tmp,
                                       int bcp_offset, size_t index_size = sizeof(u2));
   void get_cache_index_at_bcp(Register index, int bcp_offset, size_t index_size = sizeof(u2));
   void get_method_counters(Register method, Register mcs, Label& skip);
   // load cpool->resolved_references(index);
   void load_resolved_reference_at_index(Register result, Register index);
   void pop_ptr(Register r = V0);
   void pop_i(Register r = V0);
   //void pop_l(Register r = V0);
   void pop_l(Register lo = V0, Register hi = V1);
   //void pop_f(XMMRegister r = xmm0);
   //void pop_d(XMMRegister r = xmm0);
   void pop_f();
   void pop_d();
   void push_ptr(Register r = V0);
   void push_i(Register r = V0);
   //void push_l(Register r = V0);
   void push_l(Register lo = V0, Register hi = V1);
   //void push_f(XMMRegister r = xmm0);
   //void push_d(XMMRegister r = xmm0);
   void push_f();
   void push_d(FloatRegister r = F0);
   void pop(Register r ) { ((MacroAssembler*)this)->pop(r); }
   void push(Register r ) { ((MacroAssembler*)this)->push(r); }
   //void push(int32_t imm ) { ((MacroAssembler*)this)->push(imm); }
   void pop_dtos_to_esp();
   void pop_ftos_to_esp();
   void pop(TosState state); // transition vtos -> state
   void push(TosState state); // transition state -> vtos
 /*
   // Tagged stack support, pop and push both tag and value.
   void pop_ptr(Register r, Register tag);
   void push_ptr(Register r, Register tag);
 #endif // CC_INTERP
   DEBUG_ONLY(void verify_stack_tag(frame::Tag t);)
 #ifndef CC_INTERP
   // Tagged stack helpers for swap and dup
   void load_ptr_and_tag(int n, Register val, Register tag);
   void store_ptr_and_tag(int n, Register val, Register tag);
   // Tagged Local support
   void tag_local(frame::Tag tag, int n);
   void tag_local(Register tag, int n);
   void tag_local(frame::Tag tag, Register idx);
   void tag_local(Register tag, Register idx);
 #ifdef ASSERT
   void verify_local_tag(frame::Tag tag, int n);
   void verify_local_tag(frame::Tag tag, Register idx);
 #endif // ASSERT
 */
   void empty_expression_stack()
   {
     ld(SP, FP, frame::interpreter_frame_monitor_block_top_offset * wordSize);
     // NULL last_sp until next java call
     sd(R0, FP, frame::interpreter_frame_last_sp_offset * wordSize);
   }
   // Super call_VM calls - correspond to MacroAssembler::call_VM(_leaf) calls
   /*void super_call_VM_leaf(address entry_point);
   void super_call_VM_leaf(address entry_point, Register arg_1);
   void super_call_VM_leaf(address entry_point, Register arg_1, Register arg_2);
   void super_call_VM_leaf(address entry_point,
                           Register arg_1, Register arg_2, Register arg_3);*/
   void load_ptr(int n, Register val);
   void store_ptr(int n, Register val);
   // Generate a subtype check: branch to ok_is_subtype if sub_klass is
   // a subtype of super_klass.
   //void gen_subtype_check( Register sub_klass, Label &ok_is_subtype );
   void gen_subtype_check( Register Rsup_klass, Register sub_klass, Label &ok_is_subtype );
   // Dispatching
   void dispatch_prolog(TosState state, int step = 0);
   void dispatch_epilog(TosState state, int step = 0);
   // dispatch via ebx (assume ebx is loaded already)
   void dispatch_only(TosState state);
   // dispatch normal table via ebx (assume ebx is loaded already)
   void dispatch_only_normal(TosState state);
   void dispatch_only_noverify(TosState state);
   // load ebx from [esi + step] and dispatch via ebx
   void dispatch_next(TosState state, int step = 0);
   // load ebx from [esi] and dispatch via ebx and table
   void dispatch_via (TosState state, address* table);
   // jump to an invoked target
   void prepare_to_jump_from_interpreted();
   void jump_from_interpreted(Register method, Register temp);
   // Returning from interpreted functions
   //
   // Removes the current activation (incl. unlocking of monitors)
   // and sets up the return address.  This code is also used for
   // exception unwindwing. In that case, we do not want to throw
   // IllegalMonitorStateExceptions, since that might get us into an
   // infinite rethrow exception loop.
   // Additionally this code is used for popFrame and earlyReturn.
   // In popFrame case we want to skip throwing an exception,
   // installing an exception, and notifying jvmdi.
   // In earlyReturn case we only want to skip throwing an exception
   // and installing an exception.
   void remove_activation(TosState state, Register ret_addr,
                          bool throw_monitor_exception = true,
                          bool install_monitor_exception = true,
                          bool notify_jvmdi = true);
 #endif // CC_INTERP
   // Object locking
   void lock_object  (Register lock_reg);
   void unlock_object(Register lock_reg);
 #ifndef CC_INTERP
   // Interpreter profiling operations
   void set_method_data_pointer_for_bcp();
   void test_method_data_pointer(Register mdp, Label& zero_continue);
   void verify_method_data_pointer();
   void set_mdp_data_at(Register mdp_in, int constant, Register value);
   void increment_mdp_data_at(Address data, bool decrement = false);
   void increment_mdp_data_at(Register mdp_in, int constant,
                              bool decrement = false);
   void increment_mdp_data_at(Register mdp_in, Register reg, int constant,
                              bool decrement = false);
 /*  void increment_mask_and_jump(Address counter_addr,
                                int increment, int mask,
                                Register scratch, bool preloaded,
                                Condition cond, Label* where); */
   void set_mdp_flag_at(Register mdp_in, int flag_constant);
   void test_mdp_data_at(Register mdp_in, int offset, Register value,
                         Register test_value_out,
                         Label& not_equal_continue);
   void record_klass_in_profile(Register receiver, Register mdp,
                                Register reg2, bool is_virtual_call);
   void record_klass_in_profile_helper(Register receiver, Register mdp,
                                       Register reg2, int start_row,
                                       Label& done, bool is_virtual_call);
   void update_mdp_by_offset(Register mdp_in, int offset_of_offset);
   void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp);
   void update_mdp_by_constant(Register mdp_in, int constant);
   void update_mdp_for_ret(Register return_bci);
   void profile_taken_branch(Register mdp, Register bumped_count);
   void profile_not_taken_branch(Register mdp);
   void profile_call(Register mdp);
   void profile_final_call(Register mdp);
   void profile_virtual_call(Register receiver, Register mdp,
                             Register scratch2,
                             bool receiver_can_be_null = false);
   void profile_ret(Register return_bci, Register mdp);
 	void profile_checkcast(bool is_null	, Register mdp);
   void profile_null_seen(Register mdp);
   void profile_typecheck(Register mdp, Register klass, Register scratch);
   void profile_typecheck_failed(Register mdp);
   void profile_switch_default(Register mdp);
   void profile_switch_case(Register index_in_scratch, Register mdp,
                            Register scratch2);
   // Debugging
   // only if +VerifyOops && state == atos
   void verify_oop(Register reg, TosState state = atos);
   // only if +VerifyFPU  && (state == ftos || state == dtos)
   void verify_FPU(int stack_depth, TosState state = ftos);
   void profile_obj_type(Register obj, const Address& mdo_addr);
   void profile_arguments_type(Register mdp, Register callee, Register tmp, bool is_virtual);
   void profile_return_type(Register mdp, Register ret, Register tmp);
   void profile_parameters_type(Register mdp, Register tmp1, Register tmp2);
 #endif // !CC_INTERP
   typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode;
   // support for jvmti/dtrace
   void notify_method_entry();
   void notify_method_exit(bool is_native_method, TosState state, NotifyMethodExitMode mode);
 	void save_return_value(TosState state, bool is_native_call);
   void restore_return_value(TosState state, bool is_native_call);
 };
 #endif // CPU_MIPS_VM_INTERP_MASM_MIPS_64_HPP

Mercurial > jdk8-mips64-public > hotspot / annotate

src/cpu/mips/vm/interp_masm_mips_64.hpp@d885f8d65c58 (annotated)

src/cpu/mips/vm/interp_masm_mips_64.hpp