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src/share/vm/c1/c1_LIR.hpp@701a83c86f28 (annotated)

src/share/vm/c1/c1_LIR.hpp

Tue, 21 Feb 2012 13:14:55 -0500

author

jiangli

date

Tue, 21 Feb 2012 13:14:55 -0500

changeset 3592

701a83c86f28

parent 3443

9164b8236699

child 3787

6759698e3140

permissions

-rw-r--r--

7120481: storeStore barrier in constructor with final field
Summary: Issue storestore barrier before constructor return if the constructor write final field.
Reviewed-by: dholmes, jrose, roland, coleenp
Contributed-by: Jiangli Zhou <jiangli.zhou@oracle.com>

duke@435	1	/*
jrose@2639	2	* Copyright (c) 2000, 2011, Oracle and/or its affiliates. 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	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
stefank@2314	25	#ifndef SHARE_VM_C1_C1_LIR_HPP
stefank@2314	26	#define SHARE_VM_C1_C1_LIR_HPP
stefank@2314	27
stefank@2314	28	#include "c1/c1_ValueType.hpp"
stefank@2314	29
duke@435	30	class BlockBegin;
duke@435	31	class BlockList;
duke@435	32	class LIR_Assembler;
duke@435	33	class CodeEmitInfo;
duke@435	34	class CodeStub;
duke@435	35	class CodeStubList;
duke@435	36	class ArrayCopyStub;
duke@435	37	class LIR_Op;
duke@435	38	class ciType;
duke@435	39	class ValueType;
duke@435	40	class LIR_OpVisitState;
duke@435	41	class FpuStackSim;
duke@435	42
duke@435	43	//---------------------------------------------------------------------
duke@435	44	// LIR Operands
duke@435	45	// LIR_OprDesc
duke@435	46	// LIR_OprPtr
duke@435	47	// LIR_Const
duke@435	48	// LIR_Address
duke@435	49	//---------------------------------------------------------------------
duke@435	50	class LIR_OprDesc;
duke@435	51	class LIR_OprPtr;
duke@435	52	class LIR_Const;
duke@435	53	class LIR_Address;
duke@435	54	class LIR_OprVisitor;
duke@435	55
duke@435	56
duke@435	57	typedef LIR_OprDesc* LIR_Opr;
duke@435	58	typedef int RegNr;
duke@435	59
duke@435	60	define_array(LIR_OprArray, LIR_Opr)
duke@435	61	define_stack(LIR_OprList, LIR_OprArray)
duke@435	62
duke@435	63	define_array(LIR_OprRefArray, LIR_Opr*)
duke@435	64	define_stack(LIR_OprRefList, LIR_OprRefArray)
duke@435	65
duke@435	66	define_array(CodeEmitInfoArray, CodeEmitInfo*)
duke@435	67	define_stack(CodeEmitInfoList, CodeEmitInfoArray)
duke@435	68
duke@435	69	define_array(LIR_OpArray, LIR_Op*)
duke@435	70	define_stack(LIR_OpList, LIR_OpArray)
duke@435	71
duke@435	72	// define LIR_OprPtr early so LIR_OprDesc can refer to it
duke@435	73	class LIR_OprPtr: public CompilationResourceObj {
duke@435	74	public:
duke@435	75	bool is_oop_pointer() const { return (type() == T_OBJECT); }
duke@435	76	bool is_float_kind() const { BasicType t = type(); return (t == T_FLOAT) || (t == T_DOUBLE); }
duke@435	77
duke@435	78	virtual LIR_Const* as_constant() { return NULL; }
duke@435	79	virtual LIR_Address* as_address() { return NULL; }
duke@435	80	virtual BasicType type() const = 0;
duke@435	81	virtual void print_value_on(outputStream* out) const = 0;
duke@435	82	};
duke@435	83
duke@435	84
duke@435	85
duke@435	86	// LIR constants
duke@435	87	class LIR_Const: public LIR_OprPtr {
duke@435	88	private:
duke@435	89	JavaValue _value;
duke@435	90
duke@435	91	void type_check(BasicType t) const { assert(type() == t, "type check"); }
duke@435	92	void type_check(BasicType t1, BasicType t2) const { assert(type() == t1 || type() == t2, "type check"); }
roland@1732	93	void type_check(BasicType t1, BasicType t2, BasicType t3) const { assert(type() == t1 || type() == t2 || type() == t3, "type check"); }
duke@435	94
duke@435	95	public:
roland@1732	96	LIR_Const(jint i, bool is_address=false) { _value.set_type(is_address?T_ADDRESS:T_INT); _value.set_jint(i); }
duke@435	97	LIR_Const(jlong l) { _value.set_type(T_LONG); _value.set_jlong(l); }
duke@435	98	LIR_Const(jfloat f) { _value.set_type(T_FLOAT); _value.set_jfloat(f); }
duke@435	99	LIR_Const(jdouble d) { _value.set_type(T_DOUBLE); _value.set_jdouble(d); }
duke@435	100	LIR_Const(jobject o) { _value.set_type(T_OBJECT); _value.set_jobject(o); }
duke@435	101	LIR_Const(void* p) {
duke@435	102	#ifdef _LP64
duke@435	103	assert(sizeof(jlong) >= sizeof(p), "too small");;
duke@435	104	_value.set_type(T_LONG); _value.set_jlong((jlong)p);
duke@435	105	#else
duke@435	106	assert(sizeof(jint) >= sizeof(p), "too small");;
duke@435	107	_value.set_type(T_INT); _value.set_jint((jint)p);
duke@435	108	#endif
duke@435	109	}
duke@435	110
duke@435	111	virtual BasicType type() const { return _value.get_type(); }
duke@435	112	virtual LIR_Const* as_constant() { return this; }
duke@435	113
roland@1732	114	jint as_jint() const { type_check(T_INT, T_ADDRESS); return _value.get_jint(); }
duke@435	115	jlong as_jlong() const { type_check(T_LONG ); return _value.get_jlong(); }
duke@435	116	jfloat as_jfloat() const { type_check(T_FLOAT ); return _value.get_jfloat(); }
duke@435	117	jdouble as_jdouble() const { type_check(T_DOUBLE); return _value.get_jdouble(); }
duke@435	118	jobject as_jobject() const { type_check(T_OBJECT); return _value.get_jobject(); }
duke@435	119	jint as_jint_lo() const { type_check(T_LONG ); return low(_value.get_jlong()); }
duke@435	120	jint as_jint_hi() const { type_check(T_LONG ); return high(_value.get_jlong()); }
duke@435	121
duke@435	122	#ifdef _LP64
duke@435	123	address as_pointer() const { type_check(T_LONG ); return (address)_value.get_jlong(); }
duke@435	124	#else
duke@435	125	address as_pointer() const { type_check(T_INT ); return (address)_value.get_jint(); }
duke@435	126	#endif
duke@435	127
duke@435	128
roland@1732	129	jint as_jint_bits() const { type_check(T_FLOAT, T_INT, T_ADDRESS); return _value.get_jint(); }
duke@435	130	jint as_jint_lo_bits() const {
duke@435	131	if (type() == T_DOUBLE) {
duke@435	132	return low(jlong_cast(_value.get_jdouble()));
duke@435	133	} else {
duke@435	134	return as_jint_lo();
duke@435	135	}
duke@435	136	}
duke@435	137	jint as_jint_hi_bits() const {
duke@435	138	if (type() == T_DOUBLE) {
duke@435	139	return high(jlong_cast(_value.get_jdouble()));
duke@435	140	} else {
duke@435	141	return as_jint_hi();
duke@435	142	}
duke@435	143	}
never@739	144	jlong as_jlong_bits() const {
never@739	145	if (type() == T_DOUBLE) {
never@739	146	return jlong_cast(_value.get_jdouble());
never@739	147	} else {
never@739	148	return as_jlong();
never@739	149	}
never@739	150	}
duke@435	151
duke@435	152	virtual void print_value_on(outputStream* out) const PRODUCT_RETURN;
duke@435	153
duke@435	154
duke@435	155	bool is_zero_float() {
duke@435	156	jfloat f = as_jfloat();
duke@435	157	jfloat ok = 0.0f;
duke@435	158	return jint_cast(f) == jint_cast(ok);
duke@435	159	}
duke@435	160
duke@435	161	bool is_one_float() {
duke@435	162	jfloat f = as_jfloat();
duke@435	163	return !g_isnan(f) && g_isfinite(f) && f == 1.0;
duke@435	164	}
duke@435	165
duke@435	166	bool is_zero_double() {
duke@435	167	jdouble d = as_jdouble();
duke@435	168	jdouble ok = 0.0;
duke@435	169	return jlong_cast(d) == jlong_cast(ok);
duke@435	170	}
duke@435	171
duke@435	172	bool is_one_double() {
duke@435	173	jdouble d = as_jdouble();
duke@435	174	return !g_isnan(d) && g_isfinite(d) && d == 1.0;
duke@435	175	}
duke@435	176	};
duke@435	177
duke@435	178
duke@435	179	//---------------------LIR Operand descriptor------------------------------------
duke@435	180	//
duke@435	181	// The class LIR_OprDesc represents a LIR instruction operand;
duke@435	182	// it can be a register (ALU/FPU), stack location or a constant;
duke@435	183	// Constants and addresses are represented as resource area allocated
duke@435	184	// structures (see above).
duke@435	185	// Registers and stack locations are inlined into the this pointer
duke@435	186	// (see value function).
duke@435	187
duke@435	188	class LIR_OprDesc: public CompilationResourceObj {
duke@435	189	public:
duke@435	190	// value structure:
duke@435	191	// data opr-type opr-kind
duke@435	192	// +--------------+-------+-------+
duke@435	193	// [max...........|7 6 5 4|3 2 1 0]
duke@435	194	// ^
duke@435	195	// is_pointer bit
duke@435	196	//
duke@435	197	// lowest bit cleared, means it is a structure pointer
duke@435	198	// we need 4 bits to represent types
duke@435	199
duke@435	200	private:
duke@435	201	friend class LIR_OprFact;
duke@435	202
duke@435	203	// Conversion
duke@435	204	intptr_t value() const { return (intptr_t) this; }
duke@435	205
duke@435	206	bool check_value_mask(intptr_t mask, intptr_t masked_value) const {
duke@435	207	return (value() & mask) == masked_value;
duke@435	208	}
duke@435	209
duke@435	210	enum OprKind {
duke@435	211	pointer_value = 0
duke@435	212	, stack_value = 1
duke@435	213	, cpu_register = 3
duke@435	214	, fpu_register = 5
duke@435	215	, illegal_value = 7
duke@435	216	};
duke@435	217
duke@435	218	enum OprBits {
duke@435	219	pointer_bits = 1
duke@435	220	, kind_bits = 3
duke@435	221	, type_bits = 4
duke@435	222	, size_bits = 2
duke@435	223	, destroys_bits = 1
duke@435	224	, virtual_bits = 1
duke@435	225	, is_xmm_bits = 1
duke@435	226	, last_use_bits = 1
duke@435	227	, is_fpu_stack_offset_bits = 1 // used in assertion checking on x86 for FPU stack slot allocation
duke@435	228	, non_data_bits = kind_bits + type_bits + size_bits + destroys_bits + last_use_bits +
duke@435	229	is_fpu_stack_offset_bits + virtual_bits + is_xmm_bits
duke@435	230	, data_bits = BitsPerInt - non_data_bits
duke@435	231	, reg_bits = data_bits / 2 // for two registers in one value encoding
duke@435	232	};
duke@435	233
duke@435	234	enum OprShift {
duke@435	235	kind_shift = 0
duke@435	236	, type_shift = kind_shift + kind_bits
duke@435	237	, size_shift = type_shift + type_bits
duke@435	238	, destroys_shift = size_shift + size_bits
duke@435	239	, last_use_shift = destroys_shift + destroys_bits
duke@435	240	, is_fpu_stack_offset_shift = last_use_shift + last_use_bits
duke@435	241	, virtual_shift = is_fpu_stack_offset_shift + is_fpu_stack_offset_bits
duke@435	242	, is_xmm_shift = virtual_shift + virtual_bits
duke@435	243	, data_shift = is_xmm_shift + is_xmm_bits
duke@435	244	, reg1_shift = data_shift
duke@435	245	, reg2_shift = data_shift + reg_bits
duke@435	246
duke@435	247	};
duke@435	248
duke@435	249	enum OprSize {
duke@435	250	single_size = 0 << size_shift
duke@435	251	, double_size = 1 << size_shift
duke@435	252	};
duke@435	253
duke@435	254	enum OprMask {
duke@435	255	kind_mask = right_n_bits(kind_bits)
duke@435	256	, type_mask = right_n_bits(type_bits) << type_shift
duke@435	257	, size_mask = right_n_bits(size_bits) << size_shift
duke@435	258	, last_use_mask = right_n_bits(last_use_bits) << last_use_shift
duke@435	259	, is_fpu_stack_offset_mask = right_n_bits(is_fpu_stack_offset_bits) << is_fpu_stack_offset_shift
duke@435	260	, virtual_mask = right_n_bits(virtual_bits) << virtual_shift
duke@435	261	, is_xmm_mask = right_n_bits(is_xmm_bits) << is_xmm_shift
duke@435	262	, pointer_mask = right_n_bits(pointer_bits)
duke@435	263	, lower_reg_mask = right_n_bits(reg_bits)
duke@435	264	, no_type_mask = (int)(~(type_mask | last_use_mask | is_fpu_stack_offset_mask))
duke@435	265	};
duke@435	266
duke@435	267	uintptr_t data() const { return value() >> data_shift; }
duke@435	268	int lo_reg_half() const { return data() & lower_reg_mask; }
duke@435	269	int hi_reg_half() const { return (data() >> reg_bits) & lower_reg_mask; }
duke@435	270	OprKind kind_field() const { return (OprKind)(value() & kind_mask); }
duke@435	271	OprSize size_field() const { return (OprSize)(value() & size_mask); }
duke@435	272
duke@435	273	static char type_char(BasicType t);
duke@435	274
duke@435	275	public:
duke@435	276	enum {
duke@435	277	vreg_base = ConcreteRegisterImpl::number_of_registers,
duke@435	278	vreg_max = (1 << data_bits) - 1
duke@435	279	};
duke@435	280
duke@435	281	static inline LIR_Opr illegalOpr();
duke@435	282
duke@435	283	enum OprType {
duke@435	284	unknown_type = 0 << type_shift // means: not set (catch uninitialized types)
duke@435	285	, int_type = 1 << type_shift
duke@435	286	, long_type = 2 << type_shift
duke@435	287	, object_type = 3 << type_shift
never@2171	288	, address_type = 4 << type_shift
duke@435	289	, float_type = 5 << type_shift
duke@435	290	, double_type = 6 << type_shift
duke@435	291	};
duke@435	292	friend OprType as_OprType(BasicType t);
duke@435	293	friend BasicType as_BasicType(OprType t);
duke@435	294
duke@435	295	OprType type_field_valid() const { assert(is_register() || is_stack(), "should not be called otherwise"); return (OprType)(value() & type_mask); }
duke@435	296	OprType type_field() const { return is_illegal() ? unknown_type : (OprType)(value() & type_mask); }
duke@435	297
duke@435	298	static OprSize size_for(BasicType t) {
duke@435	299	switch (t) {
duke@435	300	case T_LONG:
duke@435	301	case T_DOUBLE:
duke@435	302	return double_size;
duke@435	303	break;
duke@435	304
duke@435	305	case T_FLOAT:
duke@435	306	case T_BOOLEAN:
duke@435	307	case T_CHAR:
duke@435	308	case T_BYTE:
duke@435	309	case T_SHORT:
duke@435	310	case T_INT:
never@2171	311	case T_ADDRESS:
duke@435	312	case T_OBJECT:
duke@435	313	case T_ARRAY:
duke@435	314	return single_size;
duke@435	315	break;
duke@435	316
duke@435	317	default:
duke@435	318	ShouldNotReachHere();
never@739	319	return single_size;
duke@435	320	}
duke@435	321	}
duke@435	322
duke@435	323
duke@435	324	void validate_type() const PRODUCT_RETURN;
duke@435	325
duke@435	326	BasicType type() const {
duke@435	327	if (is_pointer()) {
duke@435	328	return pointer()->type();
duke@435	329	}
duke@435	330	return as_BasicType(type_field());
duke@435	331	}
duke@435	332
duke@435	333
duke@435	334	ValueType* value_type() const { return as_ValueType(type()); }
duke@435	335
duke@435	336	char type_char() const { return type_char((is_pointer()) ? pointer()->type() : type()); }
duke@435	337
duke@435	338	bool is_equal(LIR_Opr opr) const { return this == opr; }
duke@435	339	// checks whether types are same
duke@435	340	bool is_same_type(LIR_Opr opr) const {
duke@435	341	assert(type_field() != unknown_type &&
duke@435	342	opr->type_field() != unknown_type, "shouldn't see unknown_type");
duke@435	343	return type_field() == opr->type_field();
duke@435	344	}
duke@435	345	bool is_same_register(LIR_Opr opr) {
duke@435	346	return (is_register() && opr->is_register() &&
duke@435	347	kind_field() == opr->kind_field() &&
duke@435	348	(value() & no_type_mask) == (opr->value() & no_type_mask));
duke@435	349	}
duke@435	350
duke@435	351	bool is_pointer() const { return check_value_mask(pointer_mask, pointer_value); }
duke@435	352	bool is_illegal() const { return kind_field() == illegal_value; }
duke@435	353	bool is_valid() const { return kind_field() != illegal_value; }
duke@435	354
duke@435	355	bool is_register() const { return is_cpu_register() || is_fpu_register(); }
duke@435	356	bool is_virtual() const { return is_virtual_cpu() || is_virtual_fpu(); }
duke@435	357
duke@435	358	bool is_constant() const { return is_pointer() && pointer()->as_constant() != NULL; }
duke@435	359	bool is_address() const { return is_pointer() && pointer()->as_address() != NULL; }
duke@435	360
duke@435	361	bool is_float_kind() const { return is_pointer() ? pointer()->is_float_kind() : (kind_field() == fpu_register); }
duke@435	362	bool is_oop() const;
duke@435	363
duke@435	364	// semantic for fpu- and xmm-registers:
duke@435	365	// * is_float and is_double return true for xmm_registers
duke@435	366	// (so is_single_fpu and is_single_xmm are true)
duke@435	367	// * So you must always check for is_???_xmm prior to is_???_fpu to
duke@435	368	// distinguish between fpu- and xmm-registers
duke@435	369
duke@435	370	bool is_stack() const { validate_type(); return check_value_mask(kind_mask, stack_value); }
duke@435	371	bool is_single_stack() const { validate_type(); return check_value_mask(kind_mask | size_mask, stack_value | single_size); }
duke@435	372	bool is_double_stack() const { validate_type(); return check_value_mask(kind_mask | size_mask, stack_value | double_size); }
duke@435	373
duke@435	374	bool is_cpu_register() const { validate_type(); return check_value_mask(kind_mask, cpu_register); }
duke@435	375	bool is_virtual_cpu() const { validate_type(); return check_value_mask(kind_mask | virtual_mask, cpu_register | virtual_mask); }
duke@435	376	bool is_fixed_cpu() const { validate_type(); return check_value_mask(kind_mask | virtual_mask, cpu_register); }
duke@435	377	bool is_single_cpu() const { validate_type(); return check_value_mask(kind_mask | size_mask, cpu_register | single_size); }
duke@435	378	bool is_double_cpu() const { validate_type(); return check_value_mask(kind_mask | size_mask, cpu_register | double_size); }
duke@435	379
duke@435	380	bool is_fpu_register() const { validate_type(); return check_value_mask(kind_mask, fpu_register); }
duke@435	381	bool is_virtual_fpu() const { validate_type(); return check_value_mask(kind_mask | virtual_mask, fpu_register | virtual_mask); }
duke@435	382	bool is_fixed_fpu() const { validate_type(); return check_value_mask(kind_mask | virtual_mask, fpu_register); }
duke@435	383	bool is_single_fpu() const { validate_type(); return check_value_mask(kind_mask | size_mask, fpu_register | single_size); }
duke@435	384	bool is_double_fpu() const { validate_type(); return check_value_mask(kind_mask | size_mask, fpu_register | double_size); }
duke@435	385
duke@435	386	bool is_xmm_register() const { validate_type(); return check_value_mask(kind_mask | is_xmm_mask, fpu_register | is_xmm_mask); }
duke@435	387	bool is_single_xmm() const { validate_type(); return check_value_mask(kind_mask | size_mask | is_xmm_mask, fpu_register | single_size | is_xmm_mask); }
duke@435	388	bool is_double_xmm() const { validate_type(); return check_value_mask(kind_mask | size_mask | is_xmm_mask, fpu_register | double_size | is_xmm_mask); }
duke@435	389
duke@435	390	// fast accessor functions for special bits that do not work for pointers
duke@435	391	// (in this functions, the check for is_pointer() is omitted)
duke@435	392	bool is_single_word() const { assert(is_register() || is_stack(), "type check"); return check_value_mask(size_mask, single_size); }
duke@435	393	bool is_double_word() const { assert(is_register() || is_stack(), "type check"); return check_value_mask(size_mask, double_size); }
duke@435	394	bool is_virtual_register() const { assert(is_register(), "type check"); return check_value_mask(virtual_mask, virtual_mask); }
duke@435	395	bool is_oop_register() const { assert(is_register() || is_stack(), "type check"); return type_field_valid() == object_type; }
duke@435	396	BasicType type_register() const { assert(is_register() || is_stack(), "type check"); return as_BasicType(type_field_valid()); }
duke@435	397
duke@435	398	bool is_last_use() const { assert(is_register(), "only works for registers"); return (value() & last_use_mask) != 0; }
duke@435	399	bool is_fpu_stack_offset() const { assert(is_register(), "only works for registers"); return (value() & is_fpu_stack_offset_mask) != 0; }
duke@435	400	LIR_Opr make_last_use() { assert(is_register(), "only works for registers"); return (LIR_Opr)(value() | last_use_mask); }
duke@435	401	LIR_Opr make_fpu_stack_offset() { assert(is_register(), "only works for registers"); return (LIR_Opr)(value() | is_fpu_stack_offset_mask); }
duke@435	402
duke@435	403
duke@435	404	int single_stack_ix() const { assert(is_single_stack() && !is_virtual(), "type check"); return (int)data(); }
duke@435	405	int double_stack_ix() const { assert(is_double_stack() && !is_virtual(), "type check"); return (int)data(); }
duke@435	406	RegNr cpu_regnr() const { assert(is_single_cpu() && !is_virtual(), "type check"); return (RegNr)data(); }
duke@435	407	RegNr cpu_regnrLo() const { assert(is_double_cpu() && !is_virtual(), "type check"); return (RegNr)lo_reg_half(); }
duke@435	408	RegNr cpu_regnrHi() const { assert(is_double_cpu() && !is_virtual(), "type check"); return (RegNr)hi_reg_half(); }
duke@435	409	RegNr fpu_regnr() const { assert(is_single_fpu() && !is_virtual(), "type check"); return (RegNr)data(); }
duke@435	410	RegNr fpu_regnrLo() const { assert(is_double_fpu() && !is_virtual(), "type check"); return (RegNr)lo_reg_half(); }
duke@435	411	RegNr fpu_regnrHi() const { assert(is_double_fpu() && !is_virtual(), "type check"); return (RegNr)hi_reg_half(); }
duke@435	412	RegNr xmm_regnr() const { assert(is_single_xmm() && !is_virtual(), "type check"); return (RegNr)data(); }
duke@435	413	RegNr xmm_regnrLo() const { assert(is_double_xmm() && !is_virtual(), "type check"); return (RegNr)lo_reg_half(); }
duke@435	414	RegNr xmm_regnrHi() const { assert(is_double_xmm() && !is_virtual(), "type check"); return (RegNr)hi_reg_half(); }
duke@435	415	int vreg_number() const { assert(is_virtual(), "type check"); return (RegNr)data(); }
duke@435	416
duke@435	417	LIR_OprPtr* pointer() const { assert(is_pointer(), "type check"); return (LIR_OprPtr*)this; }
duke@435	418	LIR_Const* as_constant_ptr() const { return pointer()->as_constant(); }
duke@435	419	LIR_Address* as_address_ptr() const { return pointer()->as_address(); }
duke@435	420
duke@435	421	Register as_register() const;
duke@435	422	Register as_register_lo() const;
duke@435	423	Register as_register_hi() const;
duke@435	424
duke@435	425	Register as_pointer_register() {
duke@435	426	#ifdef _LP64
duke@435	427	if (is_double_cpu()) {
duke@435	428	assert(as_register_lo() == as_register_hi(), "should be a single register");
duke@435	429	return as_register_lo();
duke@435	430	}
duke@435	431	#endif
duke@435	432	return as_register();
duke@435	433	}
duke@435	434
never@739	435	#ifdef X86
duke@435	436	XMMRegister as_xmm_float_reg() const;
duke@435	437	XMMRegister as_xmm_double_reg() const;
duke@435	438	// for compatibility with RInfo
duke@435	439	int fpu () const { return lo_reg_half(); }
never@739	440	#endif // X86
bobv@2036	441	#if defined(SPARC) || defined(ARM) || defined(PPC)
duke@435	442	FloatRegister as_float_reg () const;
duke@435	443	FloatRegister as_double_reg () const;
duke@435	444	#endif
duke@435	445
duke@435	446	jint as_jint() const { return as_constant_ptr()->as_jint(); }
duke@435	447	jlong as_jlong() const { return as_constant_ptr()->as_jlong(); }
duke@435	448	jfloat as_jfloat() const { return as_constant_ptr()->as_jfloat(); }
duke@435	449	jdouble as_jdouble() const { return as_constant_ptr()->as_jdouble(); }
duke@435	450	jobject as_jobject() const { return as_constant_ptr()->as_jobject(); }
duke@435	451
duke@435	452	void print() const PRODUCT_RETURN;
duke@435	453	void print(outputStream* out) const PRODUCT_RETURN;
duke@435	454	};
duke@435	455
duke@435	456
duke@435	457	inline LIR_OprDesc::OprType as_OprType(BasicType type) {
duke@435	458	switch (type) {
duke@435	459	case T_INT: return LIR_OprDesc::int_type;
duke@435	460	case T_LONG: return LIR_OprDesc::long_type;
duke@435	461	case T_FLOAT: return LIR_OprDesc::float_type;
duke@435	462	case T_DOUBLE: return LIR_OprDesc::double_type;
duke@435	463	case T_OBJECT:
duke@435	464	case T_ARRAY: return LIR_OprDesc::object_type;
never@2171	465	case T_ADDRESS: return LIR_OprDesc::address_type;
duke@435	466	case T_ILLEGAL: // fall through
duke@435	467	default: ShouldNotReachHere(); return LIR_OprDesc::unknown_type;
duke@435	468	}
duke@435	469	}
duke@435	470
duke@435	471	inline BasicType as_BasicType(LIR_OprDesc::OprType t) {
duke@435	472	switch (t) {
duke@435	473	case LIR_OprDesc::int_type: return T_INT;
duke@435	474	case LIR_OprDesc::long_type: return T_LONG;
duke@435	475	case LIR_OprDesc::float_type: return T_FLOAT;
duke@435	476	case LIR_OprDesc::double_type: return T_DOUBLE;
duke@435	477	case LIR_OprDesc::object_type: return T_OBJECT;
never@2171	478	case LIR_OprDesc::address_type: return T_ADDRESS;
duke@435	479	case LIR_OprDesc::unknown_type: // fall through
duke@435	480	default: ShouldNotReachHere(); return T_ILLEGAL;
duke@435	481	}
duke@435	482	}
duke@435	483
duke@435	484
duke@435	485	// LIR_Address
duke@435	486	class LIR_Address: public LIR_OprPtr {
duke@435	487	friend class LIR_OpVisitState;
duke@435	488
duke@435	489	public:
duke@435	490	// NOTE: currently these must be the log2 of the scale factor (and
duke@435	491	// must also be equivalent to the ScaleFactor enum in
duke@435	492	// assembler_i486.hpp)
duke@435	493	enum Scale {
duke@435	494	times_1 = 0,
duke@435	495	times_2 = 1,
duke@435	496	times_4 = 2,
duke@435	497	times_8 = 3
duke@435	498	};
duke@435	499
duke@435	500	private:
duke@435	501	LIR_Opr _base;
duke@435	502	LIR_Opr _index;
duke@435	503	Scale _scale;
duke@435	504	intx _disp;
duke@435	505	BasicType _type;
duke@435	506
duke@435	507	public:
duke@435	508	LIR_Address(LIR_Opr base, LIR_Opr index, BasicType type):
duke@435	509	_base(base)
duke@435	510	, _index(index)
duke@435	511	, _scale(times_1)
duke@435	512	, _type(type)
duke@435	513	, _disp(0) { verify(); }
duke@435	514
iveresov@1927	515	LIR_Address(LIR_Opr base, intx disp, BasicType type):
duke@435	516	_base(base)
duke@435	517	, _index(LIR_OprDesc::illegalOpr())
duke@435	518	, _scale(times_1)
duke@435	519	, _type(type)
duke@435	520	, _disp(disp) { verify(); }
duke@435	521
iveresov@1927	522	LIR_Address(LIR_Opr base, BasicType type):
iveresov@1927	523	_base(base)
iveresov@1927	524	, _index(LIR_OprDesc::illegalOpr())
iveresov@1927	525	, _scale(times_1)
iveresov@1927	526	, _type(type)
iveresov@1927	527	, _disp(0) { verify(); }
iveresov@1927	528
bobv@2036	529	#if defined(X86) || defined(ARM)
iveresov@1927	530	LIR_Address(LIR_Opr base, LIR_Opr index, Scale scale, intx disp, BasicType type):
duke@435	531	_base(base)
duke@435	532	, _index(index)
duke@435	533	, _scale(scale)
duke@435	534	, _type(type)
duke@435	535	, _disp(disp) { verify(); }
bobv@2036	536	#endif // X86 || ARM
duke@435	537
duke@435	538	LIR_Opr base() const { return _base; }
duke@435	539	LIR_Opr index() const { return _index; }
duke@435	540	Scale scale() const { return _scale; }
duke@435	541	intx disp() const { return _disp; }
duke@435	542
duke@435	543	bool equals(LIR_Address* other) const { return base() == other->base() && index() == other->index() && disp() == other->disp() && scale() == other->scale(); }
duke@435	544
duke@435	545	virtual LIR_Address* as_address() { return this; }
duke@435	546	virtual BasicType type() const { return _type; }
duke@435	547	virtual void print_value_on(outputStream* out) const PRODUCT_RETURN;
duke@435	548
duke@435	549	void verify() const PRODUCT_RETURN;
duke@435	550
duke@435	551	static Scale scale(BasicType type);
duke@435	552	};
duke@435	553
duke@435	554
duke@435	555	// operand factory
duke@435	556	class LIR_OprFact: public AllStatic {
duke@435	557	public:
duke@435	558
duke@435	559	static LIR_Opr illegalOpr;
duke@435	560
never@2171	561	static LIR_Opr single_cpu(int reg) {
never@2171	562	return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) |
never@2171	563	LIR_OprDesc::int_type |
never@2171	564	LIR_OprDesc::cpu_register |
never@2171	565	LIR_OprDesc::single_size);
never@2171	566	}
never@2171	567	static LIR_Opr single_cpu_oop(int reg) {
never@2171	568	return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) |
never@2171	569	LIR_OprDesc::object_type |
never@2171	570	LIR_OprDesc::cpu_register |
never@2171	571	LIR_OprDesc::single_size);
never@2171	572	}
never@2171	573	static LIR_Opr single_cpu_address(int reg) {
never@2171	574	return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) |
never@2171	575	LIR_OprDesc::address_type |
never@2171	576	LIR_OprDesc::cpu_register |
never@2171	577	LIR_OprDesc::single_size);
never@2171	578	}
never@739	579	static LIR_Opr double_cpu(int reg1, int reg2) {
never@739	580	LP64_ONLY(assert(reg1 == reg2, "must be identical"));
never@739	581	return (LIR_Opr)(intptr_t)((reg1 << LIR_OprDesc::reg1_shift) |
never@739	582	(reg2 << LIR_OprDesc::reg2_shift) |
never@739	583	LIR_OprDesc::long_type |
never@739	584	LIR_OprDesc::cpu_register |
never@739	585	LIR_OprDesc::double_size);
never@739	586	}
duke@435	587
never@739	588	static LIR_Opr single_fpu(int reg) { return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) |
never@739	589	LIR_OprDesc::float_type |
never@739	590	LIR_OprDesc::fpu_register |
never@739	591	LIR_OprDesc::single_size); }
bobv@2036	592	#if defined(ARM)
bobv@2036	593	static LIR_Opr double_fpu(int reg1, int reg2) { return (LIR_Opr)((reg1 << LIR_OprDesc::reg1_shift) | (reg2 << LIR_OprDesc::reg2_shift) | LIR_OprDesc::double_type | LIR_OprDesc::fpu_register | LIR_OprDesc::double_size); }
bobv@2036	594	static LIR_Opr single_softfp(int reg) { return (LIR_Opr)((reg << LIR_OprDesc::reg1_shift) | LIR_OprDesc::float_type | LIR_OprDesc::cpu_register | LIR_OprDesc::single_size); }
bobv@2036	595	static LIR_Opr double_softfp(int reg1, int reg2) { return (LIR_Opr)((reg1 << LIR_OprDesc::reg1_shift) | (reg2 << LIR_OprDesc::reg2_shift) | LIR_OprDesc::double_type | LIR_OprDesc::cpu_register | LIR_OprDesc::double_size); }
bobv@2036	596	#endif
duke@435	597	#ifdef SPARC
never@739	598	static LIR_Opr double_fpu(int reg1, int reg2) { return (LIR_Opr)(intptr_t)((reg1 << LIR_OprDesc::reg1_shift) |
never@739	599	(reg2 << LIR_OprDesc::reg2_shift) |
never@739	600	LIR_OprDesc::double_type |
never@739	601	LIR_OprDesc::fpu_register |
never@739	602	LIR_OprDesc::double_size); }
duke@435	603	#endif
never@739	604	#ifdef X86
never@739	605	static LIR_Opr double_fpu(int reg) { return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) |
never@739	606	(reg << LIR_OprDesc::reg2_shift) |
never@739	607	LIR_OprDesc::double_type |
never@739	608	LIR_OprDesc::fpu_register |
never@739	609	LIR_OprDesc::double_size); }
never@739	610
never@739	611	static LIR_Opr single_xmm(int reg) { return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) |
never@739	612	LIR_OprDesc::float_type |
never@739	613	LIR_OprDesc::fpu_register |
never@739	614	LIR_OprDesc::single_size |
never@739	615	LIR_OprDesc::is_xmm_mask); }
never@739	616	static LIR_Opr double_xmm(int reg) { return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) |
never@739	617	(reg << LIR_OprDesc::reg2_shift) |
never@739	618	LIR_OprDesc::double_type |
never@739	619	LIR_OprDesc::fpu_register |
never@739	620	LIR_OprDesc::double_size |
never@739	621	LIR_OprDesc::is_xmm_mask); }
never@739	622	#endif // X86
bobv@2036	623	#ifdef PPC
bobv@2036	624	static LIR_Opr double_fpu(int reg) { return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) |
bobv@2036	625	(reg << LIR_OprDesc::reg2_shift) |
bobv@2036	626	LIR_OprDesc::double_type |
bobv@2036	627	LIR_OprDesc::fpu_register |
bobv@2036	628	LIR_OprDesc::double_size); }
bobv@2036	629	static LIR_Opr single_softfp(int reg) { return (LIR_Opr)((reg << LIR_OprDesc::reg1_shift) |
bobv@2036	630	LIR_OprDesc::float_type |
bobv@2036	631	LIR_OprDesc::cpu_register |
bobv@2036	632	LIR_OprDesc::single_size); }
bobv@2036	633	static LIR_Opr double_softfp(int reg1, int reg2) { return (LIR_Opr)((reg2 << LIR_OprDesc::reg1_shift) |
bobv@2036	634	(reg1 << LIR_OprDesc::reg2_shift) |
bobv@2036	635	LIR_OprDesc::double_type |
bobv@2036	636	LIR_OprDesc::cpu_register |
bobv@2036	637	LIR_OprDesc::double_size); }
bobv@2036	638	#endif // PPC
duke@435	639
duke@435	640	static LIR_Opr virtual_register(int index, BasicType type) {
duke@435	641	LIR_Opr res;
duke@435	642	switch (type) {
duke@435	643	case T_OBJECT: // fall through
never@739	644	case T_ARRAY:
never@739	645	res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
never@739	646	LIR_OprDesc::object_type |
never@739	647	LIR_OprDesc::cpu_register |
never@739	648	LIR_OprDesc::single_size |
never@739	649	LIR_OprDesc::virtual_mask);
never@739	650	break;
never@739	651
never@739	652	case T_INT:
never@739	653	res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
never@739	654	LIR_OprDesc::int_type |
never@739	655	LIR_OprDesc::cpu_register |
never@739	656	LIR_OprDesc::single_size |
never@739	657	LIR_OprDesc::virtual_mask);
never@739	658	break;
never@739	659
never@2171	660	case T_ADDRESS:
never@2171	661	res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
never@2171	662	LIR_OprDesc::address_type |
never@2171	663	LIR_OprDesc::cpu_register |
never@2171	664	LIR_OprDesc::single_size |
never@2171	665	LIR_OprDesc::virtual_mask);
never@2171	666	break;
never@2171	667
never@739	668	case T_LONG:
never@739	669	res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
never@739	670	LIR_OprDesc::long_type |
never@739	671	LIR_OprDesc::cpu_register |
never@739	672	LIR_OprDesc::double_size |
never@739	673	LIR_OprDesc::virtual_mask);
never@739	674	break;
never@739	675
bobv@2036	676	#ifdef __SOFTFP__
bobv@2036	677	case T_FLOAT:
bobv@2036	678	res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
bobv@2036	679	LIR_OprDesc::float_type |
bobv@2036	680	LIR_OprDesc::cpu_register |
bobv@2036	681	LIR_OprDesc::single_size |
bobv@2036	682	LIR_OprDesc::virtual_mask);
bobv@2036	683	break;
bobv@2036	684	case T_DOUBLE:
bobv@2036	685	res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
bobv@2036	686	LIR_OprDesc::double_type |
bobv@2036	687	LIR_OprDesc::cpu_register |
bobv@2036	688	LIR_OprDesc::double_size |
bobv@2036	689	LIR_OprDesc::virtual_mask);
bobv@2036	690	break;
bobv@2036	691	#else // __SOFTFP__
never@739	692	case T_FLOAT:
never@739	693	res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
never@739	694	LIR_OprDesc::float_type |
never@739	695	LIR_OprDesc::fpu_register |
never@739	696	LIR_OprDesc::single_size |
never@739	697	LIR_OprDesc::virtual_mask);
never@739	698	break;
never@739	699
never@739	700	case
never@739	701	T_DOUBLE: res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
never@739	702	LIR_OprDesc::double_type |
never@739	703	LIR_OprDesc::fpu_register |
never@739	704	LIR_OprDesc::double_size |
never@739	705	LIR_OprDesc::virtual_mask);
never@739	706	break;
bobv@2036	707	#endif // __SOFTFP__
duke@435	708	default: ShouldNotReachHere(); res = illegalOpr;
duke@435	709	}
duke@435	710
duke@435	711	#ifdef ASSERT
duke@435	712	res->validate_type();
duke@435	713	assert(res->vreg_number() == index, "conversion check");
duke@435	714	assert(index >= LIR_OprDesc::vreg_base, "must start at vreg_base");
duke@435	715	assert(index <= (max_jint >> LIR_OprDesc::data_shift), "index is too big");
duke@435	716
duke@435	717	// old-style calculation; check if old and new method are equal
duke@435	718	LIR_OprDesc::OprType t = as_OprType(type);
bobv@2036	719	#ifdef __SOFTFP__
bobv@2036	720	LIR_Opr old_res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
bobv@2036	721	t |
bobv@2036	722	LIR_OprDesc::cpu_register |
bobv@2036	723	LIR_OprDesc::size_for(type) | LIR_OprDesc::virtual_mask);
bobv@2036	724	#else // __SOFTFP__
never@739	725	LIR_Opr old_res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | t |
never@739	726	((type == T_FLOAT || type == T_DOUBLE) ? LIR_OprDesc::fpu_register : LIR_OprDesc::cpu_register) |
duke@435	727	LIR_OprDesc::size_for(type) | LIR_OprDesc::virtual_mask);
duke@435	728	assert(res == old_res, "old and new method not equal");
bobv@2036	729	#endif // __SOFTFP__
bobv@2036	730	#endif // ASSERT
duke@435	731
duke@435	732	return res;
duke@435	733	}
duke@435	734
duke@435	735	// 'index' is computed by FrameMap::local_stack_pos(index); do not use other parameters as
duke@435	736	// the index is platform independent; a double stack useing indeces 2 and 3 has always
duke@435	737	// index 2.
duke@435	738	static LIR_Opr stack(int index, BasicType type) {
duke@435	739	LIR_Opr res;
duke@435	740	switch (type) {
duke@435	741	case T_OBJECT: // fall through
never@739	742	case T_ARRAY:
never@739	743	res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
never@739	744	LIR_OprDesc::object_type |
never@739	745	LIR_OprDesc::stack_value |
never@739	746	LIR_OprDesc::single_size);
never@739	747	break;
never@739	748
never@739	749	case T_INT:
never@739	750	res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
never@739	751	LIR_OprDesc::int_type |
never@739	752	LIR_OprDesc::stack_value |
never@739	753	LIR_OprDesc::single_size);
never@739	754	break;
never@739	755
never@2171	756	case T_ADDRESS:
never@2171	757	res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
never@2171	758	LIR_OprDesc::address_type |
never@2171	759	LIR_OprDesc::stack_value |
never@2171	760	LIR_OprDesc::single_size);
never@2171	761	break;
never@2171	762
never@739	763	case T_LONG:
never@739	764	res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
never@739	765	LIR_OprDesc::long_type |
never@739	766	LIR_OprDesc::stack_value |
never@739	767	LIR_OprDesc::double_size);
never@739	768	break;
never@739	769
never@739	770	case T_FLOAT:
never@739	771	res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
never@739	772	LIR_OprDesc::float_type |
never@739	773	LIR_OprDesc::stack_value |
never@739	774	LIR_OprDesc::single_size);
never@739	775	break;
never@739	776	case T_DOUBLE:
never@739	777	res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
never@739	778	LIR_OprDesc::double_type |
never@739	779	LIR_OprDesc::stack_value |
never@739	780	LIR_OprDesc::double_size);
never@739	781	break;
duke@435	782
duke@435	783	default: ShouldNotReachHere(); res = illegalOpr;
duke@435	784	}
duke@435	785
duke@435	786	#ifdef ASSERT
duke@435	787	assert(index >= 0, "index must be positive");
duke@435	788	assert(index <= (max_jint >> LIR_OprDesc::data_shift), "index is too big");
duke@435	789
never@739	790	LIR_Opr old_res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
never@739	791	LIR_OprDesc::stack_value |
never@739	792	as_OprType(type) |
never@739	793	LIR_OprDesc::size_for(type));
duke@435	794	assert(res == old_res, "old and new method not equal");
duke@435	795	#endif
duke@435	796
duke@435	797	return res;
duke@435	798	}
duke@435	799
duke@435	800	static LIR_Opr intConst(jint i) { return (LIR_Opr)(new LIR_Const(i)); }
duke@435	801	static LIR_Opr longConst(jlong l) { return (LIR_Opr)(new LIR_Const(l)); }
duke@435	802	static LIR_Opr floatConst(jfloat f) { return (LIR_Opr)(new LIR_Const(f)); }
duke@435	803	static LIR_Opr doubleConst(jdouble d) { return (LIR_Opr)(new LIR_Const(d)); }
duke@435	804	static LIR_Opr oopConst(jobject o) { return (LIR_Opr)(new LIR_Const(o)); }
duke@435	805	static LIR_Opr address(LIR_Address* a) { return (LIR_Opr)a; }
duke@435	806	static LIR_Opr intptrConst(void* p) { return (LIR_Opr)(new LIR_Const(p)); }
duke@435	807	static LIR_Opr intptrConst(intptr_t v) { return (LIR_Opr)(new LIR_Const((void*)v)); }
duke@435	808	static LIR_Opr illegal() { return (LIR_Opr)-1; }
roland@1732	809	static LIR_Opr addressConst(jint i) { return (LIR_Opr)(new LIR_Const(i, true)); }
duke@435	810
duke@435	811	static LIR_Opr value_type(ValueType* type);
duke@435	812	static LIR_Opr dummy_value_type(ValueType* type);
duke@435	813	};
duke@435	814
duke@435	815
duke@435	816	//-------------------------------------------------------------------------------
duke@435	817	// LIR Instructions
duke@435	818	//-------------------------------------------------------------------------------
duke@435	819	//
duke@435	820	// Note:
duke@435	821	// - every instruction has a result operand
duke@435	822	// - every instruction has an CodeEmitInfo operand (can be revisited later)
duke@435	823	// - every instruction has a LIR_OpCode operand
duke@435	824	// - LIR_OpN, means an instruction that has N input operands
duke@435	825	//
duke@435	826	// class hierarchy:
duke@435	827	//
duke@435	828	class LIR_Op;
duke@435	829	class LIR_Op0;
duke@435	830	class LIR_OpLabel;
duke@435	831	class LIR_Op1;
duke@435	832	class LIR_OpBranch;
duke@435	833	class LIR_OpConvert;
duke@435	834	class LIR_OpAllocObj;
duke@435	835	class LIR_OpRoundFP;
duke@435	836	class LIR_Op2;
duke@435	837	class LIR_OpDelay;
duke@435	838	class LIR_Op3;
duke@435	839	class LIR_OpAllocArray;
duke@435	840	class LIR_OpCall;
duke@435	841	class LIR_OpJavaCall;
duke@435	842	class LIR_OpRTCall;
duke@435	843	class LIR_OpArrayCopy;
duke@435	844	class LIR_OpLock;
duke@435	845	class LIR_OpTypeCheck;
duke@435	846	class LIR_OpCompareAndSwap;
duke@435	847	class LIR_OpProfileCall;
duke@435	848
duke@435	849
duke@435	850	// LIR operation codes
duke@435	851	enum LIR_Code {
duke@435	852	lir_none
duke@435	853	, begin_op0
duke@435	854	, lir_word_align
duke@435	855	, lir_label
duke@435	856	, lir_nop
duke@435	857	, lir_backwardbranch_target
duke@435	858	, lir_std_entry
duke@435	859	, lir_osr_entry
duke@435	860	, lir_build_frame
duke@435	861	, lir_fpop_raw
duke@435	862	, lir_24bit_FPU
duke@435	863	, lir_reset_FPU
duke@435	864	, lir_breakpoint
duke@435	865	, lir_rtcall
duke@435	866	, lir_membar
duke@435	867	, lir_membar_acquire
duke@435	868	, lir_membar_release
jiangli@3592	869	, lir_membar_loadload
jiangli@3592	870	, lir_membar_storestore
jiangli@3592	871	, lir_membar_loadstore
jiangli@3592	872	, lir_membar_storeload
duke@435	873	, lir_get_thread
duke@435	874	, end_op0
duke@435	875	, begin_op1
duke@435	876	, lir_fxch
duke@435	877	, lir_fld
duke@435	878	, lir_ffree
duke@435	879	, lir_push
duke@435	880	, lir_pop
duke@435	881	, lir_null_check
duke@435	882	, lir_return
duke@435	883	, lir_leal
duke@435	884	, lir_neg
duke@435	885	, lir_branch
duke@435	886	, lir_cond_float_branch
duke@435	887	, lir_move
duke@435	888	, lir_prefetchr
duke@435	889	, lir_prefetchw
duke@435	890	, lir_convert
duke@435	891	, lir_alloc_object
duke@435	892	, lir_monaddr
duke@435	893	, lir_roundfp
duke@435	894	, lir_safepoint
iveresov@2138	895	, lir_pack64
iveresov@2138	896	, lir_unpack64
never@1813	897	, lir_unwind
duke@435	898	, end_op1
duke@435	899	, begin_op2
duke@435	900	, lir_cmp
duke@435	901	, lir_cmp_l2i
duke@435	902	, lir_ucmp_fd2i
duke@435	903	, lir_cmp_fd2i
duke@435	904	, lir_cmove
duke@435	905	, lir_add
duke@435	906	, lir_sub
duke@435	907	, lir_mul
duke@435	908	, lir_mul_strictfp
duke@435	909	, lir_div
duke@435	910	, lir_div_strictfp
duke@435	911	, lir_rem
duke@435	912	, lir_sqrt
duke@435	913	, lir_abs
duke@435	914	, lir_sin
duke@435	915	, lir_cos
duke@435	916	, lir_tan
duke@435	917	, lir_log
duke@435	918	, lir_log10
duke@435	919	, lir_logic_and
duke@435	920	, lir_logic_or
duke@435	921	, lir_logic_xor
duke@435	922	, lir_shl
duke@435	923	, lir_shr
duke@435	924	, lir_ushr
duke@435	925	, lir_alloc_array
duke@435	926	, lir_throw
duke@435	927	, lir_compare_to
duke@435	928	, end_op2
duke@435	929	, begin_op3
duke@435	930	, lir_idiv
duke@435	931	, lir_irem
duke@435	932	, end_op3
duke@435	933	, begin_opJavaCall
duke@435	934	, lir_static_call
duke@435	935	, lir_optvirtual_call
duke@435	936	, lir_icvirtual_call
duke@435	937	, lir_virtual_call
twisti@1730	938	, lir_dynamic_call
duke@435	939	, end_opJavaCall
duke@435	940	, begin_opArrayCopy
duke@435	941	, lir_arraycopy
duke@435	942	, end_opArrayCopy
duke@435	943	, begin_opLock
duke@435	944	, lir_lock
duke@435	945	, lir_unlock
duke@435	946	, end_opLock
duke@435	947	, begin_delay_slot
duke@435	948	, lir_delay_slot
duke@435	949	, end_delay_slot
duke@435	950	, begin_opTypeCheck
duke@435	951	, lir_instanceof
duke@435	952	, lir_checkcast
duke@435	953	, lir_store_check
duke@435	954	, end_opTypeCheck
duke@435	955	, begin_opCompareAndSwap
duke@435	956	, lir_cas_long
duke@435	957	, lir_cas_obj
duke@435	958	, lir_cas_int
duke@435	959	, end_opCompareAndSwap
duke@435	960	, begin_opMDOProfile
duke@435	961	, lir_profile_call
duke@435	962	, end_opMDOProfile
duke@435	963	};
duke@435	964
duke@435	965
duke@435	966	enum LIR_Condition {
duke@435	967	lir_cond_equal
duke@435	968	, lir_cond_notEqual
duke@435	969	, lir_cond_less
duke@435	970	, lir_cond_lessEqual
duke@435	971	, lir_cond_greaterEqual
duke@435	972	, lir_cond_greater
duke@435	973	, lir_cond_belowEqual
duke@435	974	, lir_cond_aboveEqual
duke@435	975	, lir_cond_always
duke@435	976	, lir_cond_unknown = -1
duke@435	977	};
duke@435	978
duke@435	979
duke@435	980	enum LIR_PatchCode {
duke@435	981	lir_patch_none,
duke@435	982	lir_patch_low,
duke@435	983	lir_patch_high,
duke@435	984	lir_patch_normal
duke@435	985	};
duke@435	986
duke@435	987
duke@435	988	enum LIR_MoveKind {
duke@435	989	lir_move_normal,
duke@435	990	lir_move_volatile,
duke@435	991	lir_move_unaligned,
iveresov@2344	992	lir_move_wide,
duke@435	993	lir_move_max_flag
duke@435	994	};
duke@435	995
duke@435	996
duke@435	997	// --------------------------------------------------
duke@435	998	// LIR_Op
duke@435	999	// --------------------------------------------------
duke@435	1000	class LIR_Op: public CompilationResourceObj {
duke@435	1001	friend class LIR_OpVisitState;
duke@435	1002
duke@435	1003	#ifdef ASSERT
duke@435	1004	private:
duke@435	1005	const char * _file;
duke@435	1006	int _line;
duke@435	1007	#endif
duke@435	1008
duke@435	1009	protected:
duke@435	1010	LIR_Opr _result;
duke@435	1011	unsigned short _code;
duke@435	1012	unsigned short _flags;
duke@435	1013	CodeEmitInfo* _info;
duke@435	1014	int _id; // value id for register allocation
duke@435	1015	int _fpu_pop_count;
duke@435	1016	Instruction* _source; // for debugging
duke@435	1017
duke@435	1018	static void print_condition(outputStream* out, LIR_Condition cond) PRODUCT_RETURN;
duke@435	1019
duke@435	1020	protected:
duke@435	1021	static bool is_in_range(LIR_Code test, LIR_Code start, LIR_Code end) { return start < test && test < end; }
duke@435	1022
duke@435	1023	public:
duke@435	1024	LIR_Op()
duke@435	1025	: _result(LIR_OprFact::illegalOpr)
duke@435	1026	, _code(lir_none)
duke@435	1027	, _flags(0)
duke@435	1028	, _info(NULL)
duke@435	1029	#ifdef ASSERT
duke@435	1030	, _file(NULL)
duke@435	1031	, _line(0)
duke@435	1032	#endif
duke@435	1033	, _fpu_pop_count(0)
duke@435	1034	, _source(NULL)
duke@435	1035	, _id(-1) {}
duke@435	1036
duke@435	1037	LIR_Op(LIR_Code code, LIR_Opr result, CodeEmitInfo* info)
duke@435	1038	: _result(result)
duke@435	1039	, _code(code)
duke@435	1040	, _flags(0)
duke@435	1041	, _info(info)
duke@435	1042	#ifdef ASSERT
duke@435	1043	, _file(NULL)
duke@435	1044	, _line(0)
duke@435	1045	#endif
duke@435	1046	, _fpu_pop_count(0)
duke@435	1047	, _source(NULL)
duke@435	1048	, _id(-1) {}
duke@435	1049
duke@435	1050	CodeEmitInfo* info() const { return _info; }
duke@435	1051	LIR_Code code() const { return (LIR_Code)_code; }
duke@435	1052	LIR_Opr result_opr() const { return _result; }
duke@435	1053	void set_result_opr(LIR_Opr opr) { _result = opr; }
duke@435	1054
duke@435	1055	#ifdef ASSERT
duke@435	1056	void set_file_and_line(const char * file, int line) {
duke@435	1057	_file = file;
duke@435	1058	_line = line;
duke@435	1059	}
duke@435	1060	#endif
duke@435	1061
duke@435	1062	virtual const char * name() const PRODUCT_RETURN0;
duke@435	1063
duke@435	1064	int id() const { return _id; }
duke@435	1065	void set_id(int id) { _id = id; }
duke@435	1066
duke@435	1067	// FPU stack simulation helpers -- only used on Intel
duke@435	1068	void set_fpu_pop_count(int count) { assert(count >= 0 && count <= 1, "currently only 0 and 1 are valid"); _fpu_pop_count = count; }
duke@435	1069	int fpu_pop_count() const { return _fpu_pop_count; }
duke@435	1070	bool pop_fpu_stack() { return _fpu_pop_count > 0; }
duke@435	1071
duke@435	1072	Instruction* source() const { return _source; }
duke@435	1073	void set_source(Instruction* ins) { _source = ins; }
duke@435	1074
duke@435	1075	virtual void emit_code(LIR_Assembler* masm) = 0;
duke@435	1076	virtual void print_instr(outputStream* out) const = 0;
duke@435	1077	virtual void print_on(outputStream* st) const PRODUCT_RETURN;
duke@435	1078
duke@435	1079	virtual LIR_OpCall* as_OpCall() { return NULL; }
duke@435	1080	virtual LIR_OpJavaCall* as_OpJavaCall() { return NULL; }
duke@435	1081	virtual LIR_OpLabel* as_OpLabel() { return NULL; }
duke@435	1082	virtual LIR_OpDelay* as_OpDelay() { return NULL; }
duke@435	1083	virtual LIR_OpLock* as_OpLock() { return NULL; }
duke@435	1084	virtual LIR_OpAllocArray* as_OpAllocArray() { return NULL; }
duke@435	1085	virtual LIR_OpAllocObj* as_OpAllocObj() { return NULL; }
duke@435	1086	virtual LIR_OpRoundFP* as_OpRoundFP() { return NULL; }
duke@435	1087	virtual LIR_OpBranch* as_OpBranch() { return NULL; }
duke@435	1088	virtual LIR_OpRTCall* as_OpRTCall() { return NULL; }
duke@435	1089	virtual LIR_OpConvert* as_OpConvert() { return NULL; }
duke@435	1090	virtual LIR_Op0* as_Op0() { return NULL; }
duke@435	1091	virtual LIR_Op1* as_Op1() { return NULL; }
duke@435	1092	virtual LIR_Op2* as_Op2() { return NULL; }
duke@435	1093	virtual LIR_Op3* as_Op3() { return NULL; }
duke@435	1094	virtual LIR_OpArrayCopy* as_OpArrayCopy() { return NULL; }
duke@435	1095	virtual LIR_OpTypeCheck* as_OpTypeCheck() { return NULL; }
duke@435	1096	virtual LIR_OpCompareAndSwap* as_OpCompareAndSwap() { return NULL; }
duke@435	1097	virtual LIR_OpProfileCall* as_OpProfileCall() { return NULL; }
duke@435	1098
duke@435	1099	virtual void verify() const {}
duke@435	1100	};
duke@435	1101
duke@435	1102	// for calls
duke@435	1103	class LIR_OpCall: public LIR_Op {
duke@435	1104	friend class LIR_OpVisitState;
duke@435	1105
duke@435	1106	protected:
duke@435	1107	address _addr;
duke@435	1108	LIR_OprList* _arguments;
duke@435	1109	protected:
duke@435	1110	LIR_OpCall(LIR_Code code, address addr, LIR_Opr result,
duke@435	1111	LIR_OprList* arguments, CodeEmitInfo* info = NULL)
duke@435	1112	: LIR_Op(code, result, info)
duke@435	1113	, _arguments(arguments)
duke@435	1114	, _addr(addr) {}
duke@435	1115
duke@435	1116	public:
duke@435	1117	address addr() const { return _addr; }
duke@435	1118	const LIR_OprList* arguments() const { return _arguments; }
duke@435	1119	virtual LIR_OpCall* as_OpCall() { return this; }
duke@435	1120	};
duke@435	1121
duke@435	1122
duke@435	1123	// --------------------------------------------------
duke@435	1124	// LIR_OpJavaCall
duke@435	1125	// --------------------------------------------------
duke@435	1126	class LIR_OpJavaCall: public LIR_OpCall {
duke@435	1127	friend class LIR_OpVisitState;
duke@435	1128
duke@435	1129	private:
twisti@1919	1130	ciMethod* _method;
twisti@1919	1131	LIR_Opr _receiver;
twisti@1919	1132	LIR_Opr _method_handle_invoke_SP_save_opr; // Used in LIR_OpVisitState::visit to store the reference to FrameMap::method_handle_invoke_SP_save_opr.
duke@435	1133
duke@435	1134	public:
duke@435	1135	LIR_OpJavaCall(LIR_Code code, ciMethod* method,
duke@435	1136	LIR_Opr receiver, LIR_Opr result,
duke@435	1137	address addr, LIR_OprList* arguments,
duke@435	1138	CodeEmitInfo* info)
duke@435	1139	: LIR_OpCall(code, addr, result, arguments, info)
duke@435	1140	, _receiver(receiver)
twisti@1919	1141	, _method(method)
twisti@1919	1142	, _method_handle_invoke_SP_save_opr(LIR_OprFact::illegalOpr)
twisti@1919	1143	{ assert(is_in_range(code, begin_opJavaCall, end_opJavaCall), "code check"); }
duke@435	1144
duke@435	1145	LIR_OpJavaCall(LIR_Code code, ciMethod* method,
duke@435	1146	LIR_Opr receiver, LIR_Opr result, intptr_t vtable_offset,
duke@435	1147	LIR_OprList* arguments, CodeEmitInfo* info)
duke@435	1148	: LIR_OpCall(code, (address)vtable_offset, result, arguments, info)
duke@435	1149	, _receiver(receiver)
twisti@1919	1150	, _method(method)
twisti@1919	1151	, _method_handle_invoke_SP_save_opr(LIR_OprFact::illegalOpr)
twisti@1919	1152	{ assert(is_in_range(code, begin_opJavaCall, end_opJavaCall), "code check"); }
duke@435	1153
duke@435	1154	LIR_Opr receiver() const { return _receiver; }
duke@435	1155	ciMethod* method() const { return _method; }
duke@435	1156
twisti@1730	1157	// JSR 292 support.
twisti@1730	1158	bool is_invokedynamic() const { return code() == lir_dynamic_call; }
twisti@1730	1159	bool is_method_handle_invoke() const {
twisti@1730	1160	return
twisti@1730	1161	is_invokedynamic() // An invokedynamic is always a MethodHandle call site.
twisti@1730	1162	||
jrose@2639	1163	(method()->holder()->name() == ciSymbol::java_lang_invoke_MethodHandle() &&
jrose@1862	1164	methodOopDesc::is_method_handle_invoke_name(method()->name()->sid()));
twisti@1730	1165	}
twisti@1730	1166
duke@435	1167	intptr_t vtable_offset() const {
duke@435	1168	assert(_code == lir_virtual_call, "only have vtable for real vcall");
duke@435	1169	return (intptr_t) addr();
duke@435	1170	}
duke@435	1171
duke@435	1172	virtual void emit_code(LIR_Assembler* masm);
duke@435	1173	virtual LIR_OpJavaCall* as_OpJavaCall() { return this; }
duke@435	1174	virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1175	};
duke@435	1176
duke@435	1177	// --------------------------------------------------
duke@435	1178	// LIR_OpLabel
duke@435	1179	// --------------------------------------------------
duke@435	1180	// Location where a branch can continue
duke@435	1181	class LIR_OpLabel: public LIR_Op {
duke@435	1182	friend class LIR_OpVisitState;
duke@435	1183
duke@435	1184	private:
duke@435	1185	Label* _label;
duke@435	1186	public:
duke@435	1187	LIR_OpLabel(Label* lbl)
duke@435	1188	: LIR_Op(lir_label, LIR_OprFact::illegalOpr, NULL)
duke@435	1189	, _label(lbl) {}
duke@435	1190	Label* label() const { return _label; }
duke@435	1191
duke@435	1192	virtual void emit_code(LIR_Assembler* masm);
duke@435	1193	virtual LIR_OpLabel* as_OpLabel() { return this; }
duke@435	1194	virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1195	};
duke@435	1196
duke@435	1197	// LIR_OpArrayCopy
duke@435	1198	class LIR_OpArrayCopy: public LIR_Op {
duke@435	1199	friend class LIR_OpVisitState;
duke@435	1200
duke@435	1201	private:
duke@435	1202	ArrayCopyStub* _stub;
duke@435	1203	LIR_Opr _src;
duke@435	1204	LIR_Opr _src_pos;
duke@435	1205	LIR_Opr _dst;
duke@435	1206	LIR_Opr _dst_pos;
duke@435	1207	LIR_Opr _length;
duke@435	1208	LIR_Opr _tmp;
duke@435	1209	ciArrayKlass* _expected_type;
duke@435	1210	int _flags;
duke@435	1211
duke@435	1212	public:
duke@435	1213	enum Flags {
duke@435	1214	src_null_check = 1 << 0,
duke@435	1215	dst_null_check = 1 << 1,
duke@435	1216	src_pos_positive_check = 1 << 2,
duke@435	1217	dst_pos_positive_check = 1 << 3,
duke@435	1218	length_positive_check = 1 << 4,
duke@435	1219	src_range_check = 1 << 5,
duke@435	1220	dst_range_check = 1 << 6,
duke@435	1221	type_check = 1 << 7,
roland@2728	1222	overlapping = 1 << 8,
roland@2728	1223	unaligned = 1 << 9,
roland@2728	1224	src_objarray = 1 << 10,
roland@2728	1225	dst_objarray = 1 << 11,
roland@2728	1226	all_flags = (1 << 12) - 1
duke@435	1227	};
duke@435	1228
duke@435	1229	LIR_OpArrayCopy(LIR_Opr src, LIR_Opr src_pos, LIR_Opr dst, LIR_Opr dst_pos, LIR_Opr length, LIR_Opr tmp,
duke@435	1230	ciArrayKlass* expected_type, int flags, CodeEmitInfo* info);
duke@435	1231
duke@435	1232	LIR_Opr src() const { return _src; }
duke@435	1233	LIR_Opr src_pos() const { return _src_pos; }
duke@435	1234	LIR_Opr dst() const { return _dst; }
duke@435	1235	LIR_Opr dst_pos() const { return _dst_pos; }
duke@435	1236	LIR_Opr length() const { return _length; }
duke@435	1237	LIR_Opr tmp() const { return _tmp; }
duke@435	1238	int flags() const { return _flags; }
duke@435	1239	ciArrayKlass* expected_type() const { return _expected_type; }
duke@435	1240	ArrayCopyStub* stub() const { return _stub; }
duke@435	1241
duke@435	1242	virtual void emit_code(LIR_Assembler* masm);
duke@435	1243	virtual LIR_OpArrayCopy* as_OpArrayCopy() { return this; }
duke@435	1244	void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1245	};
duke@435	1246
duke@435	1247
duke@435	1248	// --------------------------------------------------
duke@435	1249	// LIR_Op0
duke@435	1250	// --------------------------------------------------
duke@435	1251	class LIR_Op0: public LIR_Op {
duke@435	1252	friend class LIR_OpVisitState;
duke@435	1253
duke@435	1254	public:
duke@435	1255	LIR_Op0(LIR_Code code)
duke@435	1256	: LIR_Op(code, LIR_OprFact::illegalOpr, NULL) { assert(is_in_range(code, begin_op0, end_op0), "code check"); }
duke@435	1257	LIR_Op0(LIR_Code code, LIR_Opr result, CodeEmitInfo* info = NULL)
duke@435	1258	: LIR_Op(code, result, info) { assert(is_in_range(code, begin_op0, end_op0), "code check"); }
duke@435	1259
duke@435	1260	virtual void emit_code(LIR_Assembler* masm);
duke@435	1261	virtual LIR_Op0* as_Op0() { return this; }
duke@435	1262	virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1263	};
duke@435	1264
duke@435	1265
duke@435	1266	// --------------------------------------------------
duke@435	1267	// LIR_Op1
duke@435	1268	// --------------------------------------------------
duke@435	1269
duke@435	1270	class LIR_Op1: public LIR_Op {
duke@435	1271	friend class LIR_OpVisitState;
duke@435	1272
duke@435	1273	protected:
duke@435	1274	LIR_Opr _opr; // input operand
duke@435	1275	BasicType _type; // Operand types
duke@435	1276	LIR_PatchCode _patch; // only required with patchin (NEEDS_CLEANUP: do we want a special instruction for patching?)
duke@435	1277
duke@435	1278	static void print_patch_code(outputStream* out, LIR_PatchCode code);
duke@435	1279
duke@435	1280	void set_kind(LIR_MoveKind kind) {
duke@435	1281	assert(code() == lir_move, "must be");
duke@435	1282	_flags = kind;
duke@435	1283	}
duke@435	1284
duke@435	1285	public:
duke@435	1286	LIR_Op1(LIR_Code code, LIR_Opr opr, LIR_Opr result = LIR_OprFact::illegalOpr, BasicType type = T_ILLEGAL, LIR_PatchCode patch = lir_patch_none, CodeEmitInfo* info = NULL)
duke@435	1287	: LIR_Op(code, result, info)
duke@435	1288	, _opr(opr)
duke@435	1289	, _patch(patch)
duke@435	1290	, _type(type) { assert(is_in_range(code, begin_op1, end_op1), "code check"); }
duke@435	1291
duke@435	1292	LIR_Op1(LIR_Code code, LIR_Opr opr, LIR_Opr result, BasicType type, LIR_PatchCode patch, CodeEmitInfo* info, LIR_MoveKind kind)
duke@435	1293	: LIR_Op(code, result, info)
duke@435	1294	, _opr(opr)
duke@435	1295	, _patch(patch)
duke@435	1296	, _type(type) {
duke@435	1297	assert(code == lir_move, "must be");
duke@435	1298	set_kind(kind);
duke@435	1299	}
duke@435	1300
duke@435	1301	LIR_Op1(LIR_Code code, LIR_Opr opr, CodeEmitInfo* info)
duke@435	1302	: LIR_Op(code, LIR_OprFact::illegalOpr, info)
duke@435	1303	, _opr(opr)
duke@435	1304	, _patch(lir_patch_none)
duke@435	1305	, _type(T_ILLEGAL) { assert(is_in_range(code, begin_op1, end_op1), "code check"); }
duke@435	1306
duke@435	1307	LIR_Opr in_opr() const { return _opr; }
duke@435	1308	LIR_PatchCode patch_code() const { return _patch; }
duke@435	1309	BasicType type() const { return _type; }
duke@435	1310
duke@435	1311	LIR_MoveKind move_kind() const {
duke@435	1312	assert(code() == lir_move, "must be");
duke@435	1313	return (LIR_MoveKind)_flags;
duke@435	1314	}
duke@435	1315
duke@435	1316	virtual void emit_code(LIR_Assembler* masm);
duke@435	1317	virtual LIR_Op1* as_Op1() { return this; }
duke@435	1318	virtual const char * name() const PRODUCT_RETURN0;
duke@435	1319
duke@435	1320	void set_in_opr(LIR_Opr opr) { _opr = opr; }
duke@435	1321
duke@435	1322	virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1323	virtual void verify() const;
duke@435	1324	};
duke@435	1325
duke@435	1326
duke@435	1327	// for runtime calls
duke@435	1328	class LIR_OpRTCall: public LIR_OpCall {
duke@435	1329	friend class LIR_OpVisitState;
duke@435	1330
duke@435	1331	private:
duke@435	1332	LIR_Opr _tmp;
duke@435	1333	public:
duke@435	1334	LIR_OpRTCall(address addr, LIR_Opr tmp,
duke@435	1335	LIR_Opr result, LIR_OprList* arguments, CodeEmitInfo* info = NULL)
duke@435	1336	: LIR_OpCall(lir_rtcall, addr, result, arguments, info)
duke@435	1337	, _tmp(tmp) {}
duke@435	1338
duke@435	1339	virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1340	virtual void emit_code(LIR_Assembler* masm);
duke@435	1341	virtual LIR_OpRTCall* as_OpRTCall() { return this; }
duke@435	1342
duke@435	1343	LIR_Opr tmp() const { return _tmp; }
duke@435	1344
duke@435	1345	virtual void verify() const;
duke@435	1346	};
duke@435	1347
duke@435	1348
duke@435	1349	class LIR_OpBranch: public LIR_Op {
duke@435	1350	friend class LIR_OpVisitState;
duke@435	1351
duke@435	1352	private:
duke@435	1353	LIR_Condition _cond;
duke@435	1354	BasicType _type;
duke@435	1355	Label* _label;
duke@435	1356	BlockBegin* _block; // if this is a branch to a block, this is the block
duke@435	1357	BlockBegin* _ublock; // if this is a float-branch, this is the unorderd block
duke@435	1358	CodeStub* _stub; // if this is a branch to a stub, this is the stub
duke@435	1359
duke@435	1360	public:
iveresov@3443	1361	LIR_OpBranch(LIR_Condition cond, BasicType type, Label* lbl)
duke@435	1362	: LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*) NULL)
duke@435	1363	, _cond(cond)
iveresov@3443	1364	, _type(type)
duke@435	1365	, _label(lbl)
duke@435	1366	, _block(NULL)
duke@435	1367	, _ublock(NULL)
duke@435	1368	, _stub(NULL) { }
duke@435	1369
duke@435	1370	LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block);
duke@435	1371	LIR_OpBranch(LIR_Condition cond, BasicType type, CodeStub* stub);
duke@435	1372
duke@435	1373	// for unordered comparisons
duke@435	1374	LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block, BlockBegin* ublock);
duke@435	1375
duke@435	1376	LIR_Condition cond() const { return _cond; }
duke@435	1377	BasicType type() const { return _type; }
duke@435	1378	Label* label() const { return _label; }
duke@435	1379	BlockBegin* block() const { return _block; }
duke@435	1380	BlockBegin* ublock() const { return _ublock; }
duke@435	1381	CodeStub* stub() const { return _stub; }
duke@435	1382
duke@435	1383	void change_block(BlockBegin* b);
duke@435	1384	void change_ublock(BlockBegin* b);
duke@435	1385	void negate_cond();
duke@435	1386
duke@435	1387	virtual void emit_code(LIR_Assembler* masm);
duke@435	1388	virtual LIR_OpBranch* as_OpBranch() { return this; }
duke@435	1389	virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1390	};
duke@435	1391
duke@435	1392
duke@435	1393	class ConversionStub;
duke@435	1394
duke@435	1395	class LIR_OpConvert: public LIR_Op1 {
duke@435	1396	friend class LIR_OpVisitState;
duke@435	1397
duke@435	1398	private:
duke@435	1399	Bytecodes::Code _bytecode;
duke@435	1400	ConversionStub* _stub;
bobv@2036	1401	#ifdef PPC
bobv@2036	1402	LIR_Opr _tmp1;
bobv@2036	1403	LIR_Opr _tmp2;
bobv@2036	1404	#endif
duke@435	1405
duke@435	1406	public:
duke@435	1407	LIR_OpConvert(Bytecodes::Code code, LIR_Opr opr, LIR_Opr result, ConversionStub* stub)
duke@435	1408	: LIR_Op1(lir_convert, opr, result)
duke@435	1409	, _stub(stub)
bobv@2036	1410	#ifdef PPC
bobv@2036	1411	, _tmp1(LIR_OprDesc::illegalOpr())
bobv@2036	1412	, _tmp2(LIR_OprDesc::illegalOpr())
bobv@2036	1413	#endif
duke@435	1414	, _bytecode(code) {}
duke@435	1415
bobv@2036	1416	#ifdef PPC
bobv@2036	1417	LIR_OpConvert(Bytecodes::Code code, LIR_Opr opr, LIR_Opr result, ConversionStub* stub
bobv@2036	1418	,LIR_Opr tmp1, LIR_Opr tmp2)
bobv@2036	1419	: LIR_Op1(lir_convert, opr, result)
bobv@2036	1420	, _stub(stub)
bobv@2036	1421	, _tmp1(tmp1)
bobv@2036	1422	, _tmp2(tmp2)
bobv@2036	1423	, _bytecode(code) {}
bobv@2036	1424	#endif
bobv@2036	1425
duke@435	1426	Bytecodes::Code bytecode() const { return _bytecode; }
duke@435	1427	ConversionStub* stub() const { return _stub; }
bobv@2036	1428	#ifdef PPC
bobv@2036	1429	LIR_Opr tmp1() const { return _tmp1; }
bobv@2036	1430	LIR_Opr tmp2() const { return _tmp2; }
bobv@2036	1431	#endif
duke@435	1432
duke@435	1433	virtual void emit_code(LIR_Assembler* masm);
duke@435	1434	virtual LIR_OpConvert* as_OpConvert() { return this; }
duke@435	1435	virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1436
duke@435	1437	static void print_bytecode(outputStream* out, Bytecodes::Code code) PRODUCT_RETURN;
duke@435	1438	};
duke@435	1439
duke@435	1440
duke@435	1441	// LIR_OpAllocObj
duke@435	1442	class LIR_OpAllocObj : public LIR_Op1 {
duke@435	1443	friend class LIR_OpVisitState;
duke@435	1444
duke@435	1445	private:
duke@435	1446	LIR_Opr _tmp1;
duke@435	1447	LIR_Opr _tmp2;
duke@435	1448	LIR_Opr _tmp3;
duke@435	1449	LIR_Opr _tmp4;
duke@435	1450	int _hdr_size;
duke@435	1451	int _obj_size;
duke@435	1452	CodeStub* _stub;
duke@435	1453	bool _init_check;
duke@435	1454
duke@435	1455	public:
duke@435	1456	LIR_OpAllocObj(LIR_Opr klass, LIR_Opr result,
duke@435	1457	LIR_Opr t1, LIR_Opr t2, LIR_Opr t3, LIR_Opr t4,
duke@435	1458	int hdr_size, int obj_size, bool init_check, CodeStub* stub)
duke@435	1459	: LIR_Op1(lir_alloc_object, klass, result)
duke@435	1460	, _tmp1(t1)
duke@435	1461	, _tmp2(t2)
duke@435	1462	, _tmp3(t3)
duke@435	1463	, _tmp4(t4)
duke@435	1464	, _hdr_size(hdr_size)
duke@435	1465	, _obj_size(obj_size)
duke@435	1466	, _init_check(init_check)
duke@435	1467	, _stub(stub) { }
duke@435	1468
duke@435	1469	LIR_Opr klass() const { return in_opr(); }
duke@435	1470	LIR_Opr obj() const { return result_opr(); }
duke@435	1471	LIR_Opr tmp1() const { return _tmp1; }
duke@435	1472	LIR_Opr tmp2() const { return _tmp2; }
duke@435	1473	LIR_Opr tmp3() const { return _tmp3; }
duke@435	1474	LIR_Opr tmp4() const { return _tmp4; }
duke@435	1475	int header_size() const { return _hdr_size; }
duke@435	1476	int object_size() const { return _obj_size; }
duke@435	1477	bool init_check() const { return _init_check; }
duke@435	1478	CodeStub* stub() const { return _stub; }
duke@435	1479
duke@435	1480	virtual void emit_code(LIR_Assembler* masm);
duke@435	1481	virtual LIR_OpAllocObj * as_OpAllocObj () { return this; }
duke@435	1482	virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1483	};
duke@435	1484
duke@435	1485
duke@435	1486	// LIR_OpRoundFP
duke@435	1487	class LIR_OpRoundFP : public LIR_Op1 {
duke@435	1488	friend class LIR_OpVisitState;
duke@435	1489
duke@435	1490	private:
duke@435	1491	LIR_Opr _tmp;
duke@435	1492
duke@435	1493	public:
duke@435	1494	LIR_OpRoundFP(LIR_Opr reg, LIR_Opr stack_loc_temp, LIR_Opr result)
duke@435	1495	: LIR_Op1(lir_roundfp, reg, result)
duke@435	1496	, _tmp(stack_loc_temp) {}
duke@435	1497
duke@435	1498	LIR_Opr tmp() const { return _tmp; }
duke@435	1499	virtual LIR_OpRoundFP* as_OpRoundFP() { return this; }
duke@435	1500	void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1501	};
duke@435	1502
duke@435	1503	// LIR_OpTypeCheck
duke@435	1504	class LIR_OpTypeCheck: public LIR_Op {
duke@435	1505	friend class LIR_OpVisitState;
duke@435	1506
duke@435	1507	private:
duke@435	1508	LIR_Opr _object;
duke@435	1509	LIR_Opr _array;
duke@435	1510	ciKlass* _klass;
duke@435	1511	LIR_Opr _tmp1;
duke@435	1512	LIR_Opr _tmp2;
duke@435	1513	LIR_Opr _tmp3;
duke@435	1514	bool _fast_check;
duke@435	1515	CodeEmitInfo* _info_for_patch;
duke@435	1516	CodeEmitInfo* _info_for_exception;
duke@435	1517	CodeStub* _stub;
duke@435	1518	ciMethod* _profiled_method;
duke@435	1519	int _profiled_bci;
iveresov@2138	1520	bool _should_profile;
duke@435	1521
duke@435	1522	public:
duke@435	1523	LIR_OpTypeCheck(LIR_Code code, LIR_Opr result, LIR_Opr object, ciKlass* klass,
duke@435	1524	LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check,
iveresov@2138	1525	CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub);
duke@435	1526	LIR_OpTypeCheck(LIR_Code code, LIR_Opr object, LIR_Opr array,
iveresov@2138	1527	LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, CodeEmitInfo* info_for_exception);
duke@435	1528
duke@435	1529	LIR_Opr object() const { return _object; }
duke@435	1530	LIR_Opr array() const { assert(code() == lir_store_check, "not valid"); return _array; }
duke@435	1531	LIR_Opr tmp1() const { return _tmp1; }
duke@435	1532	LIR_Opr tmp2() const { return _tmp2; }
duke@435	1533	LIR_Opr tmp3() const { return _tmp3; }
duke@435	1534	ciKlass* klass() const { assert(code() == lir_instanceof || code() == lir_checkcast, "not valid"); return _klass; }
duke@435	1535	bool fast_check() const { assert(code() == lir_instanceof || code() == lir_checkcast, "not valid"); return _fast_check; }
duke@435	1536	CodeEmitInfo* info_for_patch() const { return _info_for_patch; }
duke@435	1537	CodeEmitInfo* info_for_exception() const { return _info_for_exception; }
duke@435	1538	CodeStub* stub() const { return _stub; }
duke@435	1539
duke@435	1540	// methodDataOop profiling
iveresov@2138	1541	void set_profiled_method(ciMethod *method) { _profiled_method = method; }
iveresov@2138	1542	void set_profiled_bci(int bci) { _profiled_bci = bci; }
iveresov@2138	1543	void set_should_profile(bool b) { _should_profile = b; }
iveresov@2138	1544	ciMethod* profiled_method() const { return _profiled_method; }
iveresov@2138	1545	int profiled_bci() const { return _profiled_bci; }
iveresov@2138	1546	bool should_profile() const { return _should_profile; }
duke@435	1547
duke@435	1548	virtual void emit_code(LIR_Assembler* masm);
duke@435	1549	virtual LIR_OpTypeCheck* as_OpTypeCheck() { return this; }
duke@435	1550	void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1551	};
duke@435	1552
duke@435	1553	// LIR_Op2
duke@435	1554	class LIR_Op2: public LIR_Op {
duke@435	1555	friend class LIR_OpVisitState;
duke@435	1556
duke@435	1557	int _fpu_stack_size; // for sin/cos implementation on Intel
duke@435	1558
duke@435	1559	protected:
duke@435	1560	LIR_Opr _opr1;
duke@435	1561	LIR_Opr _opr2;
duke@435	1562	BasicType _type;
duke@435	1563	LIR_Opr _tmp;
duke@435	1564	LIR_Condition _condition;
duke@435	1565
duke@435	1566	void verify() const;
duke@435	1567
duke@435	1568	public:
duke@435	1569	LIR_Op2(LIR_Code code, LIR_Condition condition, LIR_Opr opr1, LIR_Opr opr2, CodeEmitInfo* info = NULL)
duke@435	1570	: LIR_Op(code, LIR_OprFact::illegalOpr, info)
duke@435	1571	, _opr1(opr1)
duke@435	1572	, _opr2(opr2)
duke@435	1573	, _type(T_ILLEGAL)
duke@435	1574	, _condition(condition)
duke@435	1575	, _fpu_stack_size(0)
duke@435	1576	, _tmp(LIR_OprFact::illegalOpr) {
duke@435	1577	assert(code == lir_cmp, "code check");
duke@435	1578	}
duke@435	1579
iveresov@2412	1580	LIR_Op2(LIR_Code code, LIR_Condition condition, LIR_Opr opr1, LIR_Opr opr2, LIR_Opr result, BasicType type)
duke@435	1581	: LIR_Op(code, result, NULL)
duke@435	1582	, _opr1(opr1)
duke@435	1583	, _opr2(opr2)
iveresov@2412	1584	, _type(type)
duke@435	1585	, _condition(condition)
duke@435	1586	, _fpu_stack_size(0)
duke@435	1587	, _tmp(LIR_OprFact::illegalOpr) {
duke@435	1588	assert(code == lir_cmove, "code check");
iveresov@2412	1589	assert(type != T_ILLEGAL, "cmove should have type");
duke@435	1590	}
duke@435	1591
duke@435	1592	LIR_Op2(LIR_Code code, LIR_Opr opr1, LIR_Opr opr2, LIR_Opr result = LIR_OprFact::illegalOpr,
duke@435	1593	CodeEmitInfo* info = NULL, BasicType type = T_ILLEGAL)
duke@435	1594	: LIR_Op(code, result, info)
duke@435	1595	, _opr1(opr1)
duke@435	1596	, _opr2(opr2)
duke@435	1597	, _type(type)
duke@435	1598	, _condition(lir_cond_unknown)
duke@435	1599	, _fpu_stack_size(0)
duke@435	1600	, _tmp(LIR_OprFact::illegalOpr) {
duke@435	1601	assert(code != lir_cmp && is_in_range(code, begin_op2, end_op2), "code check");
duke@435	1602	}
duke@435	1603
duke@435	1604	LIR_Op2(LIR_Code code, LIR_Opr opr1, LIR_Opr opr2, LIR_Opr result, LIR_Opr tmp)
duke@435	1605	: LIR_Op(code, result, NULL)
duke@435	1606	, _opr1(opr1)
duke@435	1607	, _opr2(opr2)
duke@435	1608	, _type(T_ILLEGAL)
duke@435	1609	, _condition(lir_cond_unknown)
duke@435	1610	, _fpu_stack_size(0)
duke@435	1611	, _tmp(tmp) {
duke@435	1612	assert(code != lir_cmp && is_in_range(code, begin_op2, end_op2), "code check");
duke@435	1613	}
duke@435	1614
duke@435	1615	LIR_Opr in_opr1() const { return _opr1; }
duke@435	1616	LIR_Opr in_opr2() const { return _opr2; }
duke@435	1617	BasicType type() const { return _type; }
duke@435	1618	LIR_Opr tmp_opr() const { return _tmp; }
duke@435	1619	LIR_Condition condition() const {
duke@435	1620	assert(code() == lir_cmp || code() == lir_cmove, "only valid for cmp and cmove"); return _condition;
duke@435	1621	}
bobv@2036	1622	void set_condition(LIR_Condition condition) {
bobv@2036	1623	assert(code() == lir_cmp || code() == lir_cmove, "only valid for cmp and cmove"); _condition = condition;
bobv@2036	1624	}
duke@435	1625
duke@435	1626	void set_fpu_stack_size(int size) { _fpu_stack_size = size; }
duke@435	1627	int fpu_stack_size() const { return _fpu_stack_size; }
duke@435	1628
duke@435	1629	void set_in_opr1(LIR_Opr opr) { _opr1 = opr; }
duke@435	1630	void set_in_opr2(LIR_Opr opr) { _opr2 = opr; }
duke@435	1631
duke@435	1632	virtual void emit_code(LIR_Assembler* masm);
duke@435	1633	virtual LIR_Op2* as_Op2() { return this; }
duke@435	1634	virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1635	};
duke@435	1636
duke@435	1637	class LIR_OpAllocArray : public LIR_Op {
duke@435	1638	friend class LIR_OpVisitState;
duke@435	1639
duke@435	1640	private:
duke@435	1641	LIR_Opr _klass;
duke@435	1642	LIR_Opr _len;
duke@435	1643	LIR_Opr _tmp1;
duke@435	1644	LIR_Opr _tmp2;
duke@435	1645	LIR_Opr _tmp3;
duke@435	1646	LIR_Opr _tmp4;
duke@435	1647	BasicType _type;
duke@435	1648	CodeStub* _stub;
duke@435	1649
duke@435	1650	public:
duke@435	1651	LIR_OpAllocArray(LIR_Opr klass, LIR_Opr len, LIR_Opr result, LIR_Opr t1, LIR_Opr t2, LIR_Opr t3, LIR_Opr t4, BasicType type, CodeStub* stub)
duke@435	1652	: LIR_Op(lir_alloc_array, result, NULL)
duke@435	1653	, _klass(klass)
duke@435	1654	, _len(len)
duke@435	1655	, _tmp1(t1)
duke@435	1656	, _tmp2(t2)
duke@435	1657	, _tmp3(t3)
duke@435	1658	, _tmp4(t4)
duke@435	1659	, _type(type)
duke@435	1660	, _stub(stub) {}
duke@435	1661
duke@435	1662	LIR_Opr klass() const { return _klass; }
duke@435	1663	LIR_Opr len() const { return _len; }
duke@435	1664	LIR_Opr obj() const { return result_opr(); }
duke@435	1665	LIR_Opr tmp1() const { return _tmp1; }
duke@435	1666	LIR_Opr tmp2() const { return _tmp2; }
duke@435	1667	LIR_Opr tmp3() const { return _tmp3; }
duke@435	1668	LIR_Opr tmp4() const { return _tmp4; }
duke@435	1669	BasicType type() const { return _type; }
duke@435	1670	CodeStub* stub() const { return _stub; }
duke@435	1671
duke@435	1672	virtual void emit_code(LIR_Assembler* masm);
duke@435	1673	virtual LIR_OpAllocArray * as_OpAllocArray () { return this; }
duke@435	1674	virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1675	};
duke@435	1676
duke@435	1677
duke@435	1678	class LIR_Op3: public LIR_Op {
duke@435	1679	friend class LIR_OpVisitState;
duke@435	1680
duke@435	1681	private:
duke@435	1682	LIR_Opr _opr1;
duke@435	1683	LIR_Opr _opr2;
duke@435	1684	LIR_Opr _opr3;
duke@435	1685	public:
duke@435	1686	LIR_Op3(LIR_Code code, LIR_Opr opr1, LIR_Opr opr2, LIR_Opr opr3, LIR_Opr result, CodeEmitInfo* info = NULL)
duke@435	1687	: LIR_Op(code, result, info)
duke@435	1688	, _opr1(opr1)
duke@435	1689	, _opr2(opr2)
duke@435	1690	, _opr3(opr3) { assert(is_in_range(code, begin_op3, end_op3), "code check"); }
duke@435	1691	LIR_Opr in_opr1() const { return _opr1; }
duke@435	1692	LIR_Opr in_opr2() const { return _opr2; }
duke@435	1693	LIR_Opr in_opr3() const { return _opr3; }
duke@435	1694
duke@435	1695	virtual void emit_code(LIR_Assembler* masm);
duke@435	1696	virtual LIR_Op3* as_Op3() { return this; }
duke@435	1697	virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1698	};
duke@435	1699
duke@435	1700
duke@435	1701	//--------------------------------
duke@435	1702	class LabelObj: public CompilationResourceObj {
duke@435	1703	private:
duke@435	1704	Label _label;
duke@435	1705	public:
duke@435	1706	LabelObj() {}
duke@435	1707	Label* label() { return &_label; }
duke@435	1708	};
duke@435	1709
duke@435	1710
duke@435	1711	class LIR_OpLock: public LIR_Op {
duke@435	1712	friend class LIR_OpVisitState;
duke@435	1713
duke@435	1714	private:
duke@435	1715	LIR_Opr _hdr;
duke@435	1716	LIR_Opr _obj;
duke@435	1717	LIR_Opr _lock;
duke@435	1718	LIR_Opr _scratch;
duke@435	1719	CodeStub* _stub;
duke@435	1720	public:
duke@435	1721	LIR_OpLock(LIR_Code code, LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub, CodeEmitInfo* info)
duke@435	1722	: LIR_Op(code, LIR_OprFact::illegalOpr, info)
duke@435	1723	, _hdr(hdr)
duke@435	1724	, _obj(obj)
duke@435	1725	, _lock(lock)
duke@435	1726	, _scratch(scratch)
duke@435	1727	, _stub(stub) {}
duke@435	1728
duke@435	1729	LIR_Opr hdr_opr() const { return _hdr; }
duke@435	1730	LIR_Opr obj_opr() const { return _obj; }
duke@435	1731	LIR_Opr lock_opr() const { return _lock; }
duke@435	1732	LIR_Opr scratch_opr() const { return _scratch; }
duke@435	1733	CodeStub* stub() const { return _stub; }
duke@435	1734
duke@435	1735	virtual void emit_code(LIR_Assembler* masm);
duke@435	1736	virtual LIR_OpLock* as_OpLock() { return this; }
duke@435	1737	void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1738	};
duke@435	1739
duke@435	1740
duke@435	1741	class LIR_OpDelay: public LIR_Op {
duke@435	1742	friend class LIR_OpVisitState;
duke@435	1743
duke@435	1744	private:
duke@435	1745	LIR_Op* _op;
duke@435	1746
duke@435	1747	public:
duke@435	1748	LIR_OpDelay(LIR_Op* op, CodeEmitInfo* info):
duke@435	1749	LIR_Op(lir_delay_slot, LIR_OprFact::illegalOpr, info),
duke@435	1750	_op(op) {
duke@435	1751	assert(op->code() == lir_nop || LIRFillDelaySlots, "should be filling with nops");
duke@435	1752	}
duke@435	1753	virtual void emit_code(LIR_Assembler* masm);
duke@435	1754	virtual LIR_OpDelay* as_OpDelay() { return this; }
duke@435	1755	void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1756	LIR_Op* delay_op() const { return _op; }
duke@435	1757	CodeEmitInfo* call_info() const { return info(); }
duke@435	1758	};
duke@435	1759
duke@435	1760
duke@435	1761	// LIR_OpCompareAndSwap
duke@435	1762	class LIR_OpCompareAndSwap : public LIR_Op {
duke@435	1763	friend class LIR_OpVisitState;
duke@435	1764
duke@435	1765	private:
duke@435	1766	LIR_Opr _addr;
duke@435	1767	LIR_Opr _cmp_value;
duke@435	1768	LIR_Opr _new_value;
duke@435	1769	LIR_Opr _tmp1;
duke@435	1770	LIR_Opr _tmp2;
duke@435	1771
duke@435	1772	public:
bobv@2036	1773	LIR_OpCompareAndSwap(LIR_Code code, LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
bobv@2036	1774	LIR_Opr t1, LIR_Opr t2, LIR_Opr result)
bobv@2036	1775	: LIR_Op(code, result, NULL) // no result, no info
duke@435	1776	, _addr(addr)
duke@435	1777	, _cmp_value(cmp_value)
duke@435	1778	, _new_value(new_value)
duke@435	1779	, _tmp1(t1)
duke@435	1780	, _tmp2(t2) { }
duke@435	1781
duke@435	1782	LIR_Opr addr() const { return _addr; }
duke@435	1783	LIR_Opr cmp_value() const { return _cmp_value; }
duke@435	1784	LIR_Opr new_value() const { return _new_value; }
duke@435	1785	LIR_Opr tmp1() const { return _tmp1; }
duke@435	1786	LIR_Opr tmp2() const { return _tmp2; }
duke@435	1787
duke@435	1788	virtual void emit_code(LIR_Assembler* masm);
duke@435	1789	virtual LIR_OpCompareAndSwap * as_OpCompareAndSwap () { return this; }
duke@435	1790	virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1791	};
duke@435	1792
duke@435	1793	// LIR_OpProfileCall
duke@435	1794	class LIR_OpProfileCall : public LIR_Op {
duke@435	1795	friend class LIR_OpVisitState;
duke@435	1796
duke@435	1797	private:
duke@435	1798	ciMethod* _profiled_method;
duke@435	1799	int _profiled_bci;
duke@435	1800	LIR_Opr _mdo;
duke@435	1801	LIR_Opr _recv;
duke@435	1802	LIR_Opr _tmp1;
duke@435	1803	ciKlass* _known_holder;
duke@435	1804
duke@435	1805	public:
duke@435	1806	// Destroys recv
duke@435	1807	LIR_OpProfileCall(LIR_Code code, ciMethod* profiled_method, int profiled_bci, LIR_Opr mdo, LIR_Opr recv, LIR_Opr t1, ciKlass* known_holder)
duke@435	1808	: LIR_Op(code, LIR_OprFact::illegalOpr, NULL) // no result, no info
duke@435	1809	, _profiled_method(profiled_method)
duke@435	1810	, _profiled_bci(profiled_bci)
duke@435	1811	, _mdo(mdo)
duke@435	1812	, _recv(recv)
duke@435	1813	, _tmp1(t1)
duke@435	1814	, _known_holder(known_holder) { }
duke@435	1815
duke@435	1816	ciMethod* profiled_method() const { return _profiled_method; }
duke@435	1817	int profiled_bci() const { return _profiled_bci; }
duke@435	1818	LIR_Opr mdo() const { return _mdo; }
duke@435	1819	LIR_Opr recv() const { return _recv; }
duke@435	1820	LIR_Opr tmp1() const { return _tmp1; }
duke@435	1821	ciKlass* known_holder() const { return _known_holder; }
duke@435	1822
duke@435	1823	virtual void emit_code(LIR_Assembler* masm);
duke@435	1824	virtual LIR_OpProfileCall* as_OpProfileCall() { return this; }
duke@435	1825	virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1826	};
duke@435	1827
duke@435	1828	class LIR_InsertionBuffer;
duke@435	1829
duke@435	1830	//--------------------------------LIR_List---------------------------------------------------
duke@435	1831	// Maintains a list of LIR instructions (one instance of LIR_List per basic block)
duke@435	1832	// The LIR instructions are appended by the LIR_List class itself;
duke@435	1833	//
duke@435	1834	// Notes:
duke@435	1835	// - all offsets are(should be) in bytes
duke@435	1836	// - local positions are specified with an offset, with offset 0 being local 0
duke@435	1837
duke@435	1838	class LIR_List: public CompilationResourceObj {
duke@435	1839	private:
duke@435	1840	LIR_OpList _operations;
duke@435	1841
duke@435	1842	Compilation* _compilation;
duke@435	1843	#ifndef PRODUCT
duke@435	1844	BlockBegin* _block;
duke@435	1845	#endif
duke@435	1846	#ifdef ASSERT
duke@435	1847	const char * _file;
duke@435	1848	int _line;
duke@435	1849	#endif
duke@435	1850
duke@435	1851	void append(LIR_Op* op) {
duke@435	1852	if (op->source() == NULL)
duke@435	1853	op->set_source(_compilation->current_instruction());
duke@435	1854	#ifndef PRODUCT
duke@435	1855	if (PrintIRWithLIR) {
duke@435	1856	_compilation->maybe_print_current_instruction();
duke@435	1857	op->print(); tty->cr();
duke@435	1858	}
duke@435	1859	#endif // PRODUCT
duke@435	1860
duke@435	1861	_operations.append(op);
duke@435	1862
duke@435	1863	#ifdef ASSERT
duke@435	1864	op->verify();
duke@435	1865	op->set_file_and_line(_file, _line);
duke@435	1866	_file = NULL;
duke@435	1867	_line = 0;
duke@435	1868	#endif
duke@435	1869	}
duke@435	1870
duke@435	1871	public:
duke@435	1872	LIR_List(Compilation* compilation, BlockBegin* block = NULL);
duke@435	1873
duke@435	1874	#ifdef ASSERT
duke@435	1875	void set_file_and_line(const char * file, int line);
duke@435	1876	#endif
duke@435	1877
duke@435	1878	//---------- accessors ---------------
duke@435	1879	LIR_OpList* instructions_list() { return &_operations; }
duke@435	1880	int length() const { return _operations.length(); }
duke@435	1881	LIR_Op* at(int i) const { return _operations.at(i); }
duke@435	1882
duke@435	1883	NOT_PRODUCT(BlockBegin* block() const { return _block; });
duke@435	1884
duke@435	1885	// insert LIR_Ops in buffer to right places in LIR_List
duke@435	1886	void append(LIR_InsertionBuffer* buffer);
duke@435	1887
duke@435	1888	//---------- mutators ---------------
duke@435	1889	void insert_before(int i, LIR_List* op_list) { _operations.insert_before(i, op_list->instructions_list()); }
duke@435	1890	void insert_before(int i, LIR_Op* op) { _operations.insert_before(i, op); }
iveresov@2138	1891	void remove_at(int i) { _operations.remove_at(i); }
duke@435	1892
duke@435	1893	//---------- printing -------------
duke@435	1894	void print_instructions() PRODUCT_RETURN;
duke@435	1895
duke@435	1896
duke@435	1897	//---------- instructions -------------
duke@435	1898	void call_opt_virtual(ciMethod* method, LIR_Opr receiver, LIR_Opr result,
duke@435	1899	address dest, LIR_OprList* arguments,
duke@435	1900	CodeEmitInfo* info) {
duke@435	1901	append(new LIR_OpJavaCall(lir_optvirtual_call, method, receiver, result, dest, arguments, info));
duke@435	1902	}
duke@435	1903	void call_static(ciMethod* method, LIR_Opr result,
duke@435	1904	address dest, LIR_OprList* arguments, CodeEmitInfo* info) {
duke@435	1905	append(new LIR_OpJavaCall(lir_static_call, method, LIR_OprFact::illegalOpr, result, dest, arguments, info));
duke@435	1906	}
duke@435	1907	void call_icvirtual(ciMethod* method, LIR_Opr receiver, LIR_Opr result,
duke@435	1908	address dest, LIR_OprList* arguments, CodeEmitInfo* info) {
duke@435	1909	append(new LIR_OpJavaCall(lir_icvirtual_call, method, receiver, result, dest, arguments, info));
duke@435	1910	}
duke@435	1911	void call_virtual(ciMethod* method, LIR_Opr receiver, LIR_Opr result,
duke@435	1912	intptr_t vtable_offset, LIR_OprList* arguments, CodeEmitInfo* info) {
duke@435	1913	append(new LIR_OpJavaCall(lir_virtual_call, method, receiver, result, vtable_offset, arguments, info));
duke@435	1914	}
twisti@1730	1915	void call_dynamic(ciMethod* method, LIR_Opr receiver, LIR_Opr result,
twisti@1730	1916	address dest, LIR_OprList* arguments, CodeEmitInfo* info) {
twisti@1730	1917	append(new LIR_OpJavaCall(lir_dynamic_call, method, receiver, result, dest, arguments, info));
twisti@1730	1918	}
duke@435	1919
duke@435	1920	void get_thread(LIR_Opr result) { append(new LIR_Op0(lir_get_thread, result)); }
duke@435	1921	void word_align() { append(new LIR_Op0(lir_word_align)); }
duke@435	1922	void membar() { append(new LIR_Op0(lir_membar)); }
duke@435	1923	void membar_acquire() { append(new LIR_Op0(lir_membar_acquire)); }
duke@435	1924	void membar_release() { append(new LIR_Op0(lir_membar_release)); }
jiangli@3592	1925	void membar_loadload() { append(new LIR_Op0(lir_membar_loadload)); }
jiangli@3592	1926	void membar_storestore() { append(new LIR_Op0(lir_membar_storestore)); }
jiangli@3592	1927	void membar_loadstore() { append(new LIR_Op0(lir_membar_loadstore)); }
jiangli@3592	1928	void membar_storeload() { append(new LIR_Op0(lir_membar_storeload)); }
duke@435	1929
duke@435	1930	void nop() { append(new LIR_Op0(lir_nop)); }
duke@435	1931	void build_frame() { append(new LIR_Op0(lir_build_frame)); }
duke@435	1932
duke@435	1933	void std_entry(LIR_Opr receiver) { append(new LIR_Op0(lir_std_entry, receiver)); }
duke@435	1934	void osr_entry(LIR_Opr osrPointer) { append(new LIR_Op0(lir_osr_entry, osrPointer)); }
duke@435	1935
duke@435	1936	void branch_destination(Label* lbl) { append(new LIR_OpLabel(lbl)); }
duke@435	1937
duke@435	1938	void negate(LIR_Opr from, LIR_Opr to) { append(new LIR_Op1(lir_neg, from, to)); }
duke@435	1939	void leal(LIR_Opr from, LIR_Opr result_reg) { append(new LIR_Op1(lir_leal, from, result_reg)); }
duke@435	1940
duke@435	1941	// result is a stack location for old backend and vreg for UseLinearScan
duke@435	1942	// stack_loc_temp is an illegal register for old backend
duke@435	1943	void roundfp(LIR_Opr reg, LIR_Opr stack_loc_temp, LIR_Opr result) { append(new LIR_OpRoundFP(reg, stack_loc_temp, result)); }
duke@435	1944	void unaligned_move(LIR_Address* src, LIR_Opr dst) { append(new LIR_Op1(lir_move, LIR_OprFact::address(src), dst, dst->type(), lir_patch_none, NULL, lir_move_unaligned)); }
duke@435	1945	void unaligned_move(LIR_Opr src, LIR_Address* dst) { append(new LIR_Op1(lir_move, src, LIR_OprFact::address(dst), src->type(), lir_patch_none, NULL, lir_move_unaligned)); }
duke@435	1946	void unaligned_move(LIR_Opr src, LIR_Opr dst) { append(new LIR_Op1(lir_move, src, dst, dst->type(), lir_patch_none, NULL, lir_move_unaligned)); }
duke@435	1947	void move(LIR_Opr src, LIR_Opr dst, CodeEmitInfo* info = NULL) { append(new LIR_Op1(lir_move, src, dst, dst->type(), lir_patch_none, info)); }
duke@435	1948	void move(LIR_Address* src, LIR_Opr dst, CodeEmitInfo* info = NULL) { append(new LIR_Op1(lir_move, LIR_OprFact::address(src), dst, src->type(), lir_patch_none, info)); }
duke@435	1949	void move(LIR_Opr src, LIR_Address* dst, CodeEmitInfo* info = NULL) { append(new LIR_Op1(lir_move, src, LIR_OprFact::address(dst), dst->type(), lir_patch_none, info)); }
iveresov@2344	1950	void move_wide(LIR_Address* src, LIR_Opr dst, CodeEmitInfo* info = NULL) {
iveresov@2344	1951	if (UseCompressedOops) {
iveresov@2344	1952	append(new LIR_Op1(lir_move, LIR_OprFact::address(src), dst, src->type(), lir_patch_none, info, lir_move_wide));
iveresov@2344	1953	} else {
iveresov@2344	1954	move(src, dst, info);
iveresov@2344	1955	}
iveresov@2344	1956	}
iveresov@2344	1957	void move_wide(LIR_Opr src, LIR_Address* dst, CodeEmitInfo* info = NULL) {
iveresov@2344	1958	if (UseCompressedOops) {
iveresov@2344	1959	append(new LIR_Op1(lir_move, src, LIR_OprFact::address(dst), dst->type(), lir_patch_none, info, lir_move_wide));
iveresov@2344	1960	} else {
iveresov@2344	1961	move(src, dst, info);
iveresov@2344	1962	}
iveresov@2344	1963	}
duke@435	1964	void volatile_move(LIR_Opr src, LIR_Opr dst, BasicType type, CodeEmitInfo* info = NULL, LIR_PatchCode patch_code = lir_patch_none) { append(new LIR_Op1(lir_move, src, dst, type, patch_code, info, lir_move_volatile)); }
duke@435	1965
duke@435	1966	void oop2reg (jobject o, LIR_Opr reg) { append(new LIR_Op1(lir_move, LIR_OprFact::oopConst(o), reg)); }
duke@435	1967	void oop2reg_patch(jobject o, LIR_Opr reg, CodeEmitInfo* info);
duke@435	1968
duke@435	1969	void return_op(LIR_Opr result) { append(new LIR_Op1(lir_return, result)); }
duke@435	1970
duke@435	1971	void safepoint(LIR_Opr tmp, CodeEmitInfo* info) { append(new LIR_Op1(lir_safepoint, tmp, info)); }
duke@435	1972
bobv@2036	1973	#ifdef PPC
bobv@2036	1974	void convert(Bytecodes::Code code, LIR_Opr left, LIR_Opr dst, LIR_Opr tmp1, LIR_Opr tmp2) { append(new LIR_OpConvert(code, left, dst, NULL, tmp1, tmp2)); }
bobv@2036	1975	#endif
duke@435	1976	void convert(Bytecodes::Code code, LIR_Opr left, LIR_Opr dst, ConversionStub* stub = NULL/*, bool is_32bit = false*/) { append(new LIR_OpConvert(code, left, dst, stub)); }
duke@435	1977
duke@435	1978	void logical_and (LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_logic_and, left, right, dst)); }
duke@435	1979	void logical_or (LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_logic_or, left, right, dst)); }
duke@435	1980	void logical_xor (LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_logic_xor, left, right, dst)); }
duke@435	1981
iveresov@2138	1982	void pack64(LIR_Opr src, LIR_Opr dst) { append(new LIR_Op1(lir_pack64, src, dst, T_LONG, lir_patch_none, NULL)); }
iveresov@2138	1983	void unpack64(LIR_Opr src, LIR_Opr dst) { append(new LIR_Op1(lir_unpack64, src, dst, T_LONG, lir_patch_none, NULL)); }
iveresov@2138	1984
duke@435	1985	void null_check(LIR_Opr opr, CodeEmitInfo* info) { append(new LIR_Op1(lir_null_check, opr, info)); }
never@1813	1986	void throw_exception(LIR_Opr exceptionPC, LIR_Opr exceptionOop, CodeEmitInfo* info) {
never@1813	1987	append(new LIR_Op2(lir_throw, exceptionPC, exceptionOop, LIR_OprFact::illegalOpr, info));
never@1813	1988	}
never@1813	1989	void unwind_exception(LIR_Opr exceptionOop) {
never@1813	1990	append(new LIR_Op1(lir_unwind, exceptionOop));
never@1813	1991	}
duke@435	1992
duke@435	1993	void compare_to (LIR_Opr left, LIR_Opr right, LIR_Opr dst) {
duke@435	1994	append(new LIR_Op2(lir_compare_to, left, right, dst));
duke@435	1995	}
duke@435	1996
duke@435	1997	void push(LIR_Opr opr) { append(new LIR_Op1(lir_push, opr)); }
duke@435	1998	void pop(LIR_Opr reg) { append(new LIR_Op1(lir_pop, reg)); }
duke@435	1999
duke@435	2000	void cmp(LIR_Condition condition, LIR_Opr left, LIR_Opr right, CodeEmitInfo* info = NULL) {
duke@435	2001	append(new LIR_Op2(lir_cmp, condition, left, right, info));
duke@435	2002	}
duke@435	2003	void cmp(LIR_Condition condition, LIR_Opr left, int right, CodeEmitInfo* info = NULL) {
duke@435	2004	cmp(condition, left, LIR_OprFact::intConst(right), info);
duke@435	2005	}
duke@435	2006
duke@435	2007	void cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info);
duke@435	2008	void cmp_reg_mem(LIR_Condition condition, LIR_Opr reg, LIR_Address* addr, CodeEmitInfo* info);
duke@435	2009
iveresov@2412	2010	void cmove(LIR_Condition condition, LIR_Opr src1, LIR_Opr src2, LIR_Opr dst, BasicType type) {
iveresov@2412	2011	append(new LIR_Op2(lir_cmove, condition, src1, src2, dst, type));
duke@435	2012	}
duke@435	2013
bobv@2036	2014	void cas_long(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
bobv@2036	2015	LIR_Opr t1, LIR_Opr t2, LIR_Opr result = LIR_OprFact::illegalOpr);
bobv@2036	2016	void cas_obj(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
bobv@2036	2017	LIR_Opr t1, LIR_Opr t2, LIR_Opr result = LIR_OprFact::illegalOpr);
bobv@2036	2018	void cas_int(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
bobv@2036	2019	LIR_Opr t1, LIR_Opr t2, LIR_Opr result = LIR_OprFact::illegalOpr);
duke@435	2020
duke@435	2021	void abs (LIR_Opr from, LIR_Opr to, LIR_Opr tmp) { append(new LIR_Op2(lir_abs , from, tmp, to)); }
duke@435	2022	void sqrt(LIR_Opr from, LIR_Opr to, LIR_Opr tmp) { append(new LIR_Op2(lir_sqrt, from, tmp, to)); }
never@1388	2023	void log (LIR_Opr from, LIR_Opr to, LIR_Opr tmp) { append(new LIR_Op2(lir_log, from, LIR_OprFact::illegalOpr, to, tmp)); }
never@1388	2024	void log10 (LIR_Opr from, LIR_Opr to, LIR_Opr tmp) { append(new LIR_Op2(lir_log10, from, LIR_OprFact::illegalOpr, to, tmp)); }
duke@435	2025	void sin (LIR_Opr from, LIR_Opr to, LIR_Opr tmp1, LIR_Opr tmp2) { append(new LIR_Op2(lir_sin , from, tmp1, to, tmp2)); }
duke@435	2026	void cos (LIR_Opr from, LIR_Opr to, LIR_Opr tmp1, LIR_Opr tmp2) { append(new LIR_Op2(lir_cos , from, tmp1, to, tmp2)); }
duke@435	2027	void tan (LIR_Opr from, LIR_Opr to, LIR_Opr tmp1, LIR_Opr tmp2) { append(new LIR_Op2(lir_tan , from, tmp1, to, tmp2)); }
duke@435	2028
duke@435	2029	void add (LIR_Opr left, LIR_Opr right, LIR_Opr res) { append(new LIR_Op2(lir_add, left, right, res)); }
duke@435	2030	void sub (LIR_Opr left, LIR_Opr right, LIR_Opr res, CodeEmitInfo* info = NULL) { append(new LIR_Op2(lir_sub, left, right, res, info)); }
duke@435	2031	void mul (LIR_Opr left, LIR_Opr right, LIR_Opr res) { append(new LIR_Op2(lir_mul, left, right, res)); }
duke@435	2032	void mul_strictfp (LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp) { append(new LIR_Op2(lir_mul_strictfp, left, right, res, tmp)); }
duke@435	2033	void div (LIR_Opr left, LIR_Opr right, LIR_Opr res, CodeEmitInfo* info = NULL) { append(new LIR_Op2(lir_div, left, right, res, info)); }
duke@435	2034	void div_strictfp (LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp) { append(new LIR_Op2(lir_div_strictfp, left, right, res, tmp)); }
duke@435	2035	void rem (LIR_Opr left, LIR_Opr right, LIR_Opr res, CodeEmitInfo* info = NULL) { append(new LIR_Op2(lir_rem, left, right, res, info)); }
duke@435	2036
duke@435	2037	void volatile_load_mem_reg(LIR_Address* address, LIR_Opr dst, CodeEmitInfo* info, LIR_PatchCode patch_code = lir_patch_none);
duke@435	2038	void volatile_load_unsafe_reg(LIR_Opr base, LIR_Opr offset, LIR_Opr dst, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code);
duke@435	2039
duke@435	2040	void load(LIR_Address* addr, LIR_Opr src, CodeEmitInfo* info = NULL, LIR_PatchCode patch_code = lir_patch_none);
duke@435	2041
duke@435	2042	void prefetch(LIR_Address* addr, bool is_store);
duke@435	2043
duke@435	2044	void store_mem_int(jint v, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code = lir_patch_none);
duke@435	2045	void store_mem_oop(jobject o, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code = lir_patch_none);
duke@435	2046	void store(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info = NULL, LIR_PatchCode patch_code = lir_patch_none);
duke@435	2047	void volatile_store_mem_reg(LIR_Opr src, LIR_Address* address, CodeEmitInfo* info, LIR_PatchCode patch_code = lir_patch_none);
duke@435	2048	void volatile_store_unsafe_reg(LIR_Opr src, LIR_Opr base, LIR_Opr offset, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code);
duke@435	2049
duke@435	2050	void idiv(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info);
duke@435	2051	void idiv(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info);
duke@435	2052	void irem(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info);
duke@435	2053	void irem(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info);
duke@435	2054
duke@435	2055	void allocate_object(LIR_Opr dst, LIR_Opr t1, LIR_Opr t2, LIR_Opr t3, LIR_Opr t4, int header_size, int object_size, LIR_Opr klass, bool init_check, CodeStub* stub);
duke@435	2056	void allocate_array(LIR_Opr dst, LIR_Opr len, LIR_Opr t1,LIR_Opr t2, LIR_Opr t3,LIR_Opr t4, BasicType type, LIR_Opr klass, CodeStub* stub);
duke@435	2057
duke@435	2058	// jump is an unconditional branch
duke@435	2059	void jump(BlockBegin* block) {
duke@435	2060	append(new LIR_OpBranch(lir_cond_always, T_ILLEGAL, block));
duke@435	2061	}
duke@435	2062	void jump(CodeStub* stub) {
duke@435	2063	append(new LIR_OpBranch(lir_cond_always, T_ILLEGAL, stub));
duke@435	2064	}
iveresov@3443	2065	void branch(LIR_Condition cond, BasicType type, Label* lbl) { append(new LIR_OpBranch(cond, type, lbl)); }
duke@435	2066	void branch(LIR_Condition cond, BasicType type, BlockBegin* block) {
duke@435	2067	assert(type != T_FLOAT && type != T_DOUBLE, "no fp comparisons");
duke@435	2068	append(new LIR_OpBranch(cond, type, block));
duke@435	2069	}
duke@435	2070	void branch(LIR_Condition cond, BasicType type, CodeStub* stub) {
duke@435	2071	assert(type != T_FLOAT && type != T_DOUBLE, "no fp comparisons");
duke@435	2072	append(new LIR_OpBranch(cond, type, stub));
duke@435	2073	}
duke@435	2074	void branch(LIR_Condition cond, BasicType type, BlockBegin* block, BlockBegin* unordered) {
duke@435	2075	assert(type == T_FLOAT || type == T_DOUBLE, "fp comparisons only");
duke@435	2076	append(new LIR_OpBranch(cond, type, block, unordered));
duke@435	2077	}
duke@435	2078
duke@435	2079	void shift_left(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp);
duke@435	2080	void shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp);
duke@435	2081	void unsigned_shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp);
duke@435	2082
duke@435	2083	void shift_left(LIR_Opr value, int count, LIR_Opr dst) { shift_left(value, LIR_OprFact::intConst(count), dst, LIR_OprFact::illegalOpr); }
duke@435	2084	void shift_right(LIR_Opr value, int count, LIR_Opr dst) { shift_right(value, LIR_OprFact::intConst(count), dst, LIR_OprFact::illegalOpr); }
duke@435	2085	void unsigned_shift_right(LIR_Opr value, int count, LIR_Opr dst) { unsigned_shift_right(value, LIR_OprFact::intConst(count), dst, LIR_OprFact::illegalOpr); }
duke@435	2086
duke@435	2087	void lcmp2int(LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_cmp_l2i, left, right, dst)); }
duke@435	2088	void fcmp2int(LIR_Opr left, LIR_Opr right, LIR_Opr dst, bool is_unordered_less);
duke@435	2089
duke@435	2090	void call_runtime_leaf(address routine, LIR_Opr tmp, LIR_Opr result, LIR_OprList* arguments) {
duke@435	2091	append(new LIR_OpRTCall(routine, tmp, result, arguments));
duke@435	2092	}
duke@435	2093
duke@435	2094	void call_runtime(address routine, LIR_Opr tmp, LIR_Opr result,
duke@435	2095	LIR_OprList* arguments, CodeEmitInfo* info) {
duke@435	2096	append(new LIR_OpRTCall(routine, tmp, result, arguments, info));
duke@435	2097	}
duke@435	2098
duke@435	2099	void load_stack_address_monitor(int monitor_ix, LIR_Opr dst) { append(new LIR_Op1(lir_monaddr, LIR_OprFact::intConst(monitor_ix), dst)); }
bobv@2036	2100	void unlock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub);
duke@435	2101	void lock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub, CodeEmitInfo* info);
duke@435	2102
duke@435	2103	void set_24bit_fpu() { append(new LIR_Op0(lir_24bit_FPU )); }
duke@435	2104	void restore_fpu() { append(new LIR_Op0(lir_reset_FPU )); }
duke@435	2105	void breakpoint() { append(new LIR_Op0(lir_breakpoint)); }
duke@435	2106
duke@435	2107	void arraycopy(LIR_Opr src, LIR_Opr src_pos, LIR_Opr dst, LIR_Opr dst_pos, LIR_Opr length, LIR_Opr tmp, ciArrayKlass* expected_type, int flags, CodeEmitInfo* info) { append(new LIR_OpArrayCopy(src, src_pos, dst, dst_pos, length, tmp, expected_type, flags, info)); }
duke@435	2108
duke@435	2109	void fpop_raw() { append(new LIR_Op0(lir_fpop_raw)); }
duke@435	2110
iveresov@2146	2111	void instanceof(LIR_Opr result, LIR_Opr object, ciKlass* klass, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check, CodeEmitInfo* info_for_patch, ciMethod* profiled_method, int profiled_bci);
iveresov@3153	2112	void store_check(LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, CodeEmitInfo* info_for_exception, ciMethod* profiled_method, int profiled_bci);
iveresov@2138	2113
duke@435	2114	void checkcast (LIR_Opr result, LIR_Opr object, ciKlass* klass,
duke@435	2115	LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check,
duke@435	2116	CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub,
duke@435	2117	ciMethod* profiled_method, int profiled_bci);
duke@435	2118	// methodDataOop profiling
iveresov@2138	2119	void profile_call(ciMethod* method, int bci, LIR_Opr mdo, LIR_Opr recv, LIR_Opr t1, ciKlass* cha_klass) {
iveresov@2138	2120	append(new LIR_OpProfileCall(lir_profile_call, method, bci, mdo, recv, t1, cha_klass));
iveresov@2138	2121	}
duke@435	2122	};
duke@435	2123
duke@435	2124	void print_LIR(BlockList* blocks);
duke@435	2125
duke@435	2126	class LIR_InsertionBuffer : public CompilationResourceObj {
duke@435	2127	private:
duke@435	2128	LIR_List* _lir; // the lir list where ops of this buffer should be inserted later (NULL when uninitialized)
duke@435	2129
duke@435	2130	// list of insertion points. index and count are stored alternately:
duke@435	2131	// _index_and_count[i * 2]: the index into lir list where "count" ops should be inserted
duke@435	2132	// _index_and_count[i * 2 + 1]: the number of ops to be inserted at index
duke@435	2133	intStack _index_and_count;
duke@435	2134
duke@435	2135	// the LIR_Ops to be inserted
duke@435	2136	LIR_OpList _ops;
duke@435	2137
duke@435	2138	void append_new(int index, int count) { _index_and_count.append(index); _index_and_count.append(count); }
duke@435	2139	void set_index_at(int i, int value) { _index_and_count.at_put((i << 1), value); }
duke@435	2140	void set_count_at(int i, int value) { _index_and_count.at_put((i << 1) + 1, value); }
duke@435	2141
duke@435	2142	#ifdef ASSERT
duke@435	2143	void verify();
duke@435	2144	#endif
duke@435	2145	public:
duke@435	2146	LIR_InsertionBuffer() : _lir(NULL), _index_and_count(8), _ops(8) { }
duke@435	2147
duke@435	2148	// must be called before using the insertion buffer
duke@435	2149	void init(LIR_List* lir) { assert(!initialized(), "already initialized"); _lir = lir; _index_and_count.clear(); _ops.clear(); }
duke@435	2150	bool initialized() const { return _lir != NULL; }
duke@435	2151	// called automatically when the buffer is appended to the LIR_List
duke@435	2152	void finish() { _lir = NULL; }
duke@435	2153
duke@435	2154	// accessors
duke@435	2155	LIR_List* lir_list() const { return _lir; }
duke@435	2156	int number_of_insertion_points() const { return _index_and_count.length() >> 1; }
duke@435	2157	int index_at(int i) const { return _index_and_count.at((i << 1)); }
duke@435	2158	int count_at(int i) const { return _index_and_count.at((i << 1) + 1); }
duke@435	2159
duke@435	2160	int number_of_ops() const { return _ops.length(); }
duke@435	2161	LIR_Op* op_at(int i) const { return _ops.at(i); }
duke@435	2162
duke@435	2163	// append an instruction to the buffer
duke@435	2164	void append(int index, LIR_Op* op);
duke@435	2165
duke@435	2166	// instruction
duke@435	2167	void move(int index, LIR_Opr src, LIR_Opr dst, CodeEmitInfo* info = NULL) { append(index, new LIR_Op1(lir_move, src, dst, dst->type(), lir_patch_none, info)); }
duke@435	2168	};
duke@435	2169
duke@435	2170
duke@435	2171	//
duke@435	2172	// LIR_OpVisitState is used for manipulating LIR_Ops in an abstract way.
duke@435	2173	// Calling a LIR_Op's visit function with a LIR_OpVisitState causes
duke@435	2174	// information about the input, output and temporaries used by the
duke@435	2175	// op to be recorded. It also records whether the op has call semantics
duke@435	2176	// and also records all the CodeEmitInfos used by this op.
duke@435	2177	//
duke@435	2178
duke@435	2179
duke@435	2180	class LIR_OpVisitState: public StackObj {
duke@435	2181	public:
duke@435	2182	typedef enum { inputMode, firstMode = inputMode, tempMode, outputMode, numModes, invalidMode = -1 } OprMode;
duke@435	2183
duke@435	2184	enum {
never@1610	2185	maxNumberOfOperands = 16,
duke@435	2186	maxNumberOfInfos = 4
duke@435	2187	};
duke@435	2188
duke@435	2189	private:
duke@435	2190	LIR_Op* _op;
duke@435	2191
duke@435	2192	// optimization: the operands and infos are not stored in a variable-length
duke@435	2193	// list, but in a fixed-size array to save time of size checks and resizing
duke@435	2194	int _oprs_len[numModes];
duke@435	2195	LIR_Opr* _oprs_new[numModes][maxNumberOfOperands];
duke@435	2196	int _info_len;
duke@435	2197	CodeEmitInfo* _info_new[maxNumberOfInfos];
duke@435	2198
duke@435	2199	bool _has_call;
duke@435	2200	bool _has_slow_case;
duke@435	2201
duke@435	2202
duke@435	2203	// only include register operands
duke@435	2204	// addresses are decomposed to the base and index registers
duke@435	2205	// constants and stack operands are ignored
duke@435	2206	void append(LIR_Opr& opr, OprMode mode) {
duke@435	2207	assert(opr->is_valid(), "should not call this otherwise");
duke@435	2208	assert(mode >= 0 && mode < numModes, "bad mode");
duke@435	2209
duke@435	2210	if (opr->is_register()) {
duke@435	2211	assert(_oprs_len[mode] < maxNumberOfOperands, "array overflow");
duke@435	2212	_oprs_new[mode][_oprs_len[mode]++] = &opr;
duke@435	2213
duke@435	2214	} else if (opr->is_pointer()) {
duke@435	2215	LIR_Address* address = opr->as_address_ptr();
duke@435	2216	if (address != NULL) {
duke@435	2217	// special handling for addresses: add base and index register of the address
duke@435	2218	// both are always input operands!
duke@435	2219	if (address->_base->is_valid()) {
duke@435	2220	assert(address->_base->is_register(), "must be");
duke@435	2221	assert(_oprs_len[inputMode] < maxNumberOfOperands, "array overflow");
duke@435	2222	_oprs_new[inputMode][_oprs_len[inputMode]++] = &address->_base;
duke@435	2223	}
duke@435	2224	if (address->_index->is_valid()) {
duke@435	2225	assert(address->_index->is_register(), "must be");
duke@435	2226	assert(_oprs_len[inputMode] < maxNumberOfOperands, "array overflow");
duke@435	2227	_oprs_new[inputMode][_oprs_len[inputMode]++] = &address->_index;
duke@435	2228	}
duke@435	2229
duke@435	2230	} else {
duke@435	2231	assert(opr->is_constant(), "constant operands are not processed");
duke@435	2232	}
duke@435	2233	} else {
duke@435	2234	assert(opr->is_stack(), "stack operands are not processed");
duke@435	2235	}
duke@435	2236	}
duke@435	2237
duke@435	2238	void append(CodeEmitInfo* info) {
duke@435	2239	assert(info != NULL, "should not call this otherwise");
duke@435	2240	assert(_info_len < maxNumberOfInfos, "array overflow");
duke@435	2241	_info_new[_info_len++] = info;
duke@435	2242	}
duke@435	2243
duke@435	2244	public:
duke@435	2245	LIR_OpVisitState() { reset(); }
duke@435	2246
duke@435	2247	LIR_Op* op() const { return _op; }
duke@435	2248	void set_op(LIR_Op* op) { reset(); _op = op; }
duke@435	2249
duke@435	2250	bool has_call() const { return _has_call; }
duke@435	2251	bool has_slow_case() const { return _has_slow_case; }
duke@435	2252
duke@435	2253	void reset() {
duke@435	2254	_op = NULL;
duke@435	2255	_has_call = false;
duke@435	2256	_has_slow_case = false;
duke@435	2257
duke@435	2258	_oprs_len[inputMode] = 0;
duke@435	2259	_oprs_len[tempMode] = 0;
duke@435	2260	_oprs_len[outputMode] = 0;
duke@435	2261	_info_len = 0;
duke@435	2262	}
duke@435	2263
duke@435	2264
duke@435	2265	int opr_count(OprMode mode) const {
duke@435	2266	assert(mode >= 0 && mode < numModes, "bad mode");
duke@435	2267	return _oprs_len[mode];
duke@435	2268	}
duke@435	2269
duke@435	2270	LIR_Opr opr_at(OprMode mode, int index) const {
duke@435	2271	assert(mode >= 0 && mode < numModes, "bad mode");
duke@435	2272	assert(index >= 0 && index < _oprs_len[mode], "index out of bound");
duke@435	2273	return *_oprs_new[mode][index];
duke@435	2274	}
duke@435	2275
duke@435	2276	void set_opr_at(OprMode mode, int index, LIR_Opr opr) const {
duke@435	2277	assert(mode >= 0 && mode < numModes, "bad mode");
duke@435	2278	assert(index >= 0 && index < _oprs_len[mode], "index out of bound");
duke@435	2279	*_oprs_new[mode][index] = opr;
duke@435	2280	}
duke@435	2281
duke@435	2282	int info_count() const {
duke@435	2283	return _info_len;
duke@435	2284	}
duke@435	2285
duke@435	2286	CodeEmitInfo* info_at(int index) const {
duke@435	2287	assert(index < _info_len, "index out of bounds");
duke@435	2288	return _info_new[index];
duke@435	2289	}
duke@435	2290
duke@435	2291	XHandlers* all_xhandler();
duke@435	2292
duke@435	2293	// collects all register operands of the instruction
duke@435	2294	void visit(LIR_Op* op);
duke@435	2295
duke@435	2296	#if ASSERT
duke@435	2297	// check that an operation has no operands
duke@435	2298	bool no_operands(LIR_Op* op);
duke@435	2299	#endif
duke@435	2300
duke@435	2301	// LIR_Op visitor functions use these to fill in the state
duke@435	2302	void do_input(LIR_Opr& opr) { append(opr, LIR_OpVisitState::inputMode); }
duke@435	2303	void do_output(LIR_Opr& opr) { append(opr, LIR_OpVisitState::outputMode); }
duke@435	2304	void do_temp(LIR_Opr& opr) { append(opr, LIR_OpVisitState::tempMode); }
duke@435	2305	void do_info(CodeEmitInfo* info) { append(info); }
duke@435	2306
duke@435	2307	void do_stub(CodeStub* stub);
duke@435	2308	void do_call() { _has_call = true; }
duke@435	2309	void do_slow_case() { _has_slow_case = true; }
duke@435	2310	void do_slow_case(CodeEmitInfo* info) {
duke@435	2311	_has_slow_case = true;
duke@435	2312	append(info);
duke@435	2313	}
duke@435	2314	};
duke@435	2315
duke@435	2316
duke@435	2317	inline LIR_Opr LIR_OprDesc::illegalOpr() { return LIR_OprFact::illegalOpr; };
stefank@2314	2318
stefank@2314	2319	#endif // SHARE_VM_C1_C1_LIR_HPP