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src/cpu/x86/vm/interp_masm_x86_64.hpp@2649e5276dd7 (annotated)

src/cpu/x86/vm/interp_masm_x86_64.hpp

Tue, 14 Oct 2008 15:10:26 -0700

author

kvn

date

Tue, 14 Oct 2008 15:10:26 -0700

changeset 840

2649e5276dd7

parent 739

dc7f315e41f7

child 772

9ee9cf798b59

permissions

-rw-r--r--

6532536: Optimize arraycopy stubs for Intel cpus
Summary: Use SSE2 movdqu in arraycopy stubs on newest Intel's cpus
Reviewed-by: rasbold

duke@435	1	/*
duke@435	2	* Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
duke@435	19	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435	20	* CA 95054 USA or visit www.sun.com if you need additional information or
duke@435	21	* have any questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
duke@435	25	// This file specializes the assember with interpreter-specific macros
duke@435	26
duke@435	27
never@739	28	class InterpreterMacroAssembler: public MacroAssembler {
never@739	29	#ifndef CC_INTERP
duke@435	30	protected:
duke@435	31	// Interpreter specific version of call_VM_base
duke@435	32	virtual void call_VM_leaf_base(address entry_point,
duke@435	33	int number_of_arguments);
duke@435	34
duke@435	35	virtual void call_VM_base(Register oop_result,
duke@435	36	Register java_thread,
duke@435	37	Register last_java_sp,
duke@435	38	address entry_point,
duke@435	39	int number_of_arguments,
duke@435	40	bool check_exceptions);
duke@435	41
duke@435	42	virtual void check_and_handle_popframe(Register java_thread);
duke@435	43	virtual void check_and_handle_earlyret(Register java_thread);
duke@435	44
duke@435	45	// base routine for all dispatches
duke@435	46	void dispatch_base(TosState state, address* table, bool verifyoop = true);
never@739	47	#endif // CC_INTERP
duke@435	48
duke@435	49	public:
never@739	50	InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code) {}
duke@435	51
duke@435	52	void load_earlyret_value(TosState state);
duke@435	53
never@739	54	#ifdef CC_INTERP
never@739	55	void save_bcp() { /* not needed in c++ interpreter and harmless */ }
never@739	56	void restore_bcp() { /* not needed in c++ interpreter and harmless */ }
never@739	57
never@739	58	// Helpers for runtime call arguments/results
never@739	59	void get_method(Register reg);
never@739	60
never@739	61	#else
never@739	62
duke@435	63	// Interpreter-specific registers
never@739	64	void save_bcp() {
never@739	65	movptr(Address(rbp, frame::interpreter_frame_bcx_offset * wordSize), r13);
duke@435	66	}
duke@435	67
never@739	68	void restore_bcp() {
never@739	69	movptr(r13, Address(rbp, frame::interpreter_frame_bcx_offset * wordSize));
duke@435	70	}
duke@435	71
never@739	72	void restore_locals() {
never@739	73	movptr(r14, Address(rbp, frame::interpreter_frame_locals_offset * wordSize));
duke@435	74	}
duke@435	75
duke@435	76	// Helpers for runtime call arguments/results
never@739	77	void get_method(Register reg) {
never@739	78	movptr(reg, Address(rbp, frame::interpreter_frame_method_offset * wordSize));
duke@435	79	}
duke@435	80
never@739	81	void get_constant_pool(Register reg) {
duke@435	82	get_method(reg);
never@739	83	movptr(reg, Address(reg, methodOopDesc::constants_offset()));
duke@435	84	}
duke@435	85
never@739	86	void get_constant_pool_cache(Register reg) {
duke@435	87	get_constant_pool(reg);
never@739	88	movptr(reg, Address(reg, constantPoolOopDesc::cache_offset_in_bytes()));
duke@435	89	}
duke@435	90
never@739	91	void get_cpool_and_tags(Register cpool, Register tags) {
duke@435	92	get_constant_pool(cpool);
never@739	93	movptr(tags, Address(cpool, constantPoolOopDesc::tags_offset_in_bytes()));
duke@435	94	}
duke@435	95
duke@435	96	void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset);
duke@435	97	void get_cache_and_index_at_bcp(Register cache, Register index,
duke@435	98	int bcp_offset);
duke@435	99	void get_cache_entry_pointer_at_bcp(Register cache, Register tmp,
duke@435	100	int bcp_offset);
duke@435	101
never@739	102
duke@435	103	void pop_ptr(Register r = rax);
duke@435	104	void pop_i(Register r = rax);
duke@435	105	void pop_l(Register r = rax);
duke@435	106	void pop_f(XMMRegister r = xmm0);
duke@435	107	void pop_d(XMMRegister r = xmm0);
duke@435	108	void push_ptr(Register r = rax);
duke@435	109	void push_i(Register r = rax);
duke@435	110	void push_l(Register r = rax);
duke@435	111	void push_f(XMMRegister r = xmm0);
duke@435	112	void push_d(XMMRegister r = xmm0);
duke@435	113
never@739	114	void pop(Register r ) { ((MacroAssembler*)this)->pop(r); }
never@739	115
never@739	116	void push(Register r ) { ((MacroAssembler*)this)->push(r); }
never@739	117	void push(int32_t imm ) { ((MacroAssembler*)this)->push(imm); }
never@739	118
duke@435	119	void pop(TosState state); // transition vtos -> state
duke@435	120	void push(TosState state); // transition state -> vtos
duke@435	121
duke@435	122	// Tagged stack support, pop and push both tag and value.
duke@435	123	void pop_ptr(Register r, Register tag);
duke@435	124	void push_ptr(Register r, Register tag);
never@739	125	#endif // CC_INTERP
duke@435	126
duke@435	127	DEBUG_ONLY(void verify_stack_tag(frame::Tag t);)
duke@435	128
never@739	129	#ifndef CC_INTERP
never@739	130
duke@435	131	// Tagged stack helpers for swap and dup
duke@435	132	void load_ptr_and_tag(int n, Register val, Register tag);
duke@435	133	void store_ptr_and_tag(int n, Register val, Register tag);
duke@435	134
duke@435	135	// Tagged Local support
duke@435	136	void tag_local(frame::Tag tag, int n);
duke@435	137	void tag_local(Register tag, int n);
duke@435	138	void tag_local(frame::Tag tag, Register idx);
duke@435	139	void tag_local(Register tag, Register idx);
duke@435	140
duke@435	141	#ifdef ASSERT
duke@435	142	void verify_local_tag(frame::Tag tag, int n);
duke@435	143	void verify_local_tag(frame::Tag tag, Register idx);
duke@435	144	#endif // ASSERT
duke@435	145
never@739	146
duke@435	147	void empty_expression_stack()
duke@435	148	{
never@739	149	movptr(rsp, Address(rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize));
duke@435	150	// NULL last_sp until next java call
never@739	151	movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD);
duke@435	152	}
duke@435	153
duke@435	154	// Super call_VM calls - correspond to MacroAssembler::call_VM(_leaf) calls
duke@435	155	void super_call_VM_leaf(address entry_point);
duke@435	156	void super_call_VM_leaf(address entry_point, Register arg_1);
duke@435	157	void super_call_VM_leaf(address entry_point, Register arg_1, Register arg_2);
duke@435	158	void super_call_VM_leaf(address entry_point,
duke@435	159	Register arg_1, Register arg_2, Register arg_3);
duke@435	160
duke@435	161	// Generate a subtype check: branch to ok_is_subtype if sub_klass is
duke@435	162	// a subtype of super_klass.
duke@435	163	void gen_subtype_check( Register sub_klass, Label &ok_is_subtype );
duke@435	164
duke@435	165	// Dispatching
duke@435	166	void dispatch_prolog(TosState state, int step = 0);
duke@435	167	void dispatch_epilog(TosState state, int step = 0);
duke@435	168	// dispatch via ebx (assume ebx is loaded already)
duke@435	169	void dispatch_only(TosState state);
duke@435	170	// dispatch normal table via ebx (assume ebx is loaded already)
duke@435	171	void dispatch_only_normal(TosState state);
duke@435	172	void dispatch_only_noverify(TosState state);
duke@435	173	// load ebx from [esi + step] and dispatch via ebx
duke@435	174	void dispatch_next(TosState state, int step = 0);
duke@435	175	// load ebx from [esi] and dispatch via ebx and table
duke@435	176	void dispatch_via (TosState state, address* table);
duke@435	177
duke@435	178	// jump to an invoked target
duke@435	179	void jump_from_interpreted(Register method, Register temp);
duke@435	180
duke@435	181
duke@435	182	// Returning from interpreted functions
duke@435	183	//
duke@435	184	// Removes the current activation (incl. unlocking of monitors)
duke@435	185	// and sets up the return address. This code is also used for
duke@435	186	// exception unwindwing. In that case, we do not want to throw
duke@435	187	// IllegalMonitorStateExceptions, since that might get us into an
duke@435	188	// infinite rethrow exception loop.
duke@435	189	// Additionally this code is used for popFrame and earlyReturn.
duke@435	190	// In popFrame case we want to skip throwing an exception,
duke@435	191	// installing an exception, and notifying jvmdi.
duke@435	192	// In earlyReturn case we only want to skip throwing an exception
duke@435	193	// and installing an exception.
duke@435	194	void remove_activation(TosState state, Register ret_addr,
duke@435	195	bool throw_monitor_exception = true,
duke@435	196	bool install_monitor_exception = true,
duke@435	197	bool notify_jvmdi = true);
never@739	198	#endif // CC_INTERP
duke@435	199
duke@435	200	// Object locking
duke@435	201	void lock_object (Register lock_reg);
duke@435	202	void unlock_object(Register lock_reg);
duke@435	203
never@739	204	#ifndef CC_INTERP
never@739	205
duke@435	206	// Interpreter profiling operations
duke@435	207	void set_method_data_pointer_for_bcp();
duke@435	208	void test_method_data_pointer(Register mdp, Label& zero_continue);
duke@435	209	void verify_method_data_pointer();
duke@435	210
duke@435	211	void set_mdp_data_at(Register mdp_in, int constant, Register value);
duke@435	212	void increment_mdp_data_at(Address data, bool decrement = false);
duke@435	213	void increment_mdp_data_at(Register mdp_in, int constant,
duke@435	214	bool decrement = false);
duke@435	215	void increment_mdp_data_at(Register mdp_in, Register reg, int constant,
duke@435	216	bool decrement = false);
duke@435	217	void set_mdp_flag_at(Register mdp_in, int flag_constant);
duke@435	218	void test_mdp_data_at(Register mdp_in, int offset, Register value,
duke@435	219	Register test_value_out,
duke@435	220	Label& not_equal_continue);
duke@435	221
duke@435	222	void record_klass_in_profile(Register receiver, Register mdp,
duke@435	223	Register reg2);
duke@435	224	void record_klass_in_profile_helper(Register receiver, Register mdp,
duke@435	225	Register reg2,
duke@435	226	int start_row, Label& done);
duke@435	227
duke@435	228	void update_mdp_by_offset(Register mdp_in, int offset_of_offset);
duke@435	229	void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp);
duke@435	230	void update_mdp_by_constant(Register mdp_in, int constant);
duke@435	231	void update_mdp_for_ret(Register return_bci);
duke@435	232
duke@435	233	void profile_taken_branch(Register mdp, Register bumped_count);
duke@435	234	void profile_not_taken_branch(Register mdp);
duke@435	235	void profile_call(Register mdp);
duke@435	236	void profile_final_call(Register mdp);
duke@435	237	void profile_virtual_call(Register receiver, Register mdp,
duke@435	238	Register scratch2);
duke@435	239	void profile_ret(Register return_bci, Register mdp);
duke@435	240	void profile_null_seen(Register mdp);
duke@435	241	void profile_typecheck(Register mdp, Register klass, Register scratch);
duke@435	242	void profile_typecheck_failed(Register mdp);
duke@435	243	void profile_switch_default(Register mdp);
duke@435	244	void profile_switch_case(Register index_in_scratch, Register mdp,
duke@435	245	Register scratch2);
duke@435	246
duke@435	247	// Debugging
duke@435	248	// only if +VerifyOops && state == atos
duke@435	249	void verify_oop(Register reg, TosState state = atos);
duke@435	250	// only if +VerifyFPU && (state == ftos || state == dtos)
duke@435	251	void verify_FPU(int stack_depth, TosState state = ftos);
duke@435	252
never@739	253	#endif // !CC_INTERP
never@739	254
duke@435	255	typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode;
duke@435	256
duke@435	257	// support for jvmti/dtrace
duke@435	258	void notify_method_entry();
duke@435	259	void notify_method_exit(TosState state, NotifyMethodExitMode mode);
duke@435	260	};