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src/share/vm/c1/c1_LIR.hpp@f02a8bbe6ed4 (annotated)

src/share/vm/c1/c1_LIR.hpp

Tue, 29 Dec 2009 19:08:54 +0100

author

roland

date

Tue, 29 Dec 2009 19:08:54 +0100

changeset 2174

f02a8bbe6ed4

parent 2171

87b64980e2f1

child 2314

f95d63e2154a

permissions

-rw-r--r--

6986046: C1 valuestack cleanup
Summary: fixes an historical oddity in C1 with inlining where all of the expression stacks are kept in the topmost ValueStack instead of being in their respective ValueStacks.
Reviewed-by: never
Contributed-by: Christian Wimmer <cwimmer@uci.edu>

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