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src/share/vm/c1/c1_LIR.hpp@da91efe96a93 (annotated)

src/share/vm/c1/c1_LIR.hpp

Sat, 01 Sep 2012 13:25:18 -0400

author

coleenp

date

Sat, 01 Sep 2012 13:25:18 -0400

changeset 4037

da91efe96a93

parent 3969

1d7922586cf6

child 4051

8a02ca5e5576

permissions

-rw-r--r--

6964458: Reimplement class meta-data storage to use native memory
Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>

duke@435	1	/*
twisti@3969	2	* Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
stefank@2314	25	#ifndef SHARE_VM_C1_C1_LIR_HPP
stefank@2314	26	#define SHARE_VM_C1_C1_LIR_HPP
stefank@2314	27
stefank@2314	28	#include "c1/c1_ValueType.hpp"
coleenp@4037	29	#include "oops/method.hpp"
stefank@2314	30
duke@435	31	class BlockBegin;
duke@435	32	class BlockList;
duke@435	33	class LIR_Assembler;
duke@435	34	class CodeEmitInfo;
duke@435	35	class CodeStub;
duke@435	36	class CodeStubList;
duke@435	37	class ArrayCopyStub;
duke@435	38	class LIR_Op;
duke@435	39	class ciType;
duke@435	40	class ValueType;
duke@435	41	class LIR_OpVisitState;
duke@435	42	class FpuStackSim;
duke@435	43
duke@435	44	//---------------------------------------------------------------------
duke@435	45	// LIR Operands
duke@435	46	// LIR_OprDesc
duke@435	47	// LIR_OprPtr
duke@435	48	// LIR_Const
duke@435	49	// LIR_Address
duke@435	50	//---------------------------------------------------------------------
duke@435	51	class LIR_OprDesc;
duke@435	52	class LIR_OprPtr;
duke@435	53	class LIR_Const;
duke@435	54	class LIR_Address;
duke@435	55	class LIR_OprVisitor;
duke@435	56
duke@435	57
duke@435	58	typedef LIR_OprDesc* LIR_Opr;
duke@435	59	typedef int RegNr;
duke@435	60
duke@435	61	define_array(LIR_OprArray, LIR_Opr)
duke@435	62	define_stack(LIR_OprList, LIR_OprArray)
duke@435	63
duke@435	64	define_array(LIR_OprRefArray, LIR_Opr*)
duke@435	65	define_stack(LIR_OprRefList, LIR_OprRefArray)
duke@435	66
duke@435	67	define_array(CodeEmitInfoArray, CodeEmitInfo*)
duke@435	68	define_stack(CodeEmitInfoList, CodeEmitInfoArray)
duke@435	69
duke@435	70	define_array(LIR_OpArray, LIR_Op*)
duke@435	71	define_stack(LIR_OpList, LIR_OpArray)
duke@435	72
duke@435	73	// define LIR_OprPtr early so LIR_OprDesc can refer to it
duke@435	74	class LIR_OprPtr: public CompilationResourceObj {
duke@435	75	public:
duke@435	76	bool is_oop_pointer() const { return (type() == T_OBJECT); }
duke@435	77	bool is_float_kind() const { BasicType t = type(); return (t == T_FLOAT) || (t == T_DOUBLE); }
duke@435	78
duke@435	79	virtual LIR_Const* as_constant() { return NULL; }
duke@435	80	virtual LIR_Address* as_address() { return NULL; }
duke@435	81	virtual BasicType type() const = 0;
duke@435	82	virtual void print_value_on(outputStream* out) const = 0;
duke@435	83	};
duke@435	84
duke@435	85
duke@435	86
duke@435	87	// LIR constants
duke@435	88	class LIR_Const: public LIR_OprPtr {
duke@435	89	private:
duke@435	90	JavaValue _value;
duke@435	91
duke@435	92	void type_check(BasicType t) const { assert(type() == t, "type check"); }
duke@435	93	void type_check(BasicType t1, BasicType t2) const { assert(type() == t1 || type() == t2, "type check"); }
roland@1732	94	void type_check(BasicType t1, BasicType t2, BasicType t3) const { assert(type() == t1 || type() == t2 || type() == t3, "type check"); }
duke@435	95
duke@435	96	public:
roland@1732	97	LIR_Const(jint i, bool is_address=false) { _value.set_type(is_address?T_ADDRESS:T_INT); _value.set_jint(i); }
duke@435	98	LIR_Const(jlong l) { _value.set_type(T_LONG); _value.set_jlong(l); }
duke@435	99	LIR_Const(jfloat f) { _value.set_type(T_FLOAT); _value.set_jfloat(f); }
duke@435	100	LIR_Const(jdouble d) { _value.set_type(T_DOUBLE); _value.set_jdouble(d); }
duke@435	101	LIR_Const(jobject o) { _value.set_type(T_OBJECT); _value.set_jobject(o); }
duke@435	102	LIR_Const(void* p) {
duke@435	103	#ifdef _LP64
duke@435	104	assert(sizeof(jlong) >= sizeof(p), "too small");;
duke@435	105	_value.set_type(T_LONG); _value.set_jlong((jlong)p);
duke@435	106	#else
duke@435	107	assert(sizeof(jint) >= sizeof(p), "too small");;
duke@435	108	_value.set_type(T_INT); _value.set_jint((jint)p);
duke@435	109	#endif
duke@435	110	}
coleenp@4037	111	LIR_Const(Metadata* m) {
coleenp@4037	112	_value.set_type(T_METADATA);
coleenp@4037	113	#ifdef _LP64
coleenp@4037	114	_value.set_jlong((jlong)m);
coleenp@4037	115	#else
coleenp@4037	116	_value.set_jint((jint)m);
coleenp@4037	117	#endif // _LP64
coleenp@4037	118	}
duke@435	119
duke@435	120	virtual BasicType type() const { return _value.get_type(); }
duke@435	121	virtual LIR_Const* as_constant() { return this; }
duke@435	122
roland@1732	123	jint as_jint() const { type_check(T_INT, T_ADDRESS); return _value.get_jint(); }
duke@435	124	jlong as_jlong() const { type_check(T_LONG ); return _value.get_jlong(); }
duke@435	125	jfloat as_jfloat() const { type_check(T_FLOAT ); return _value.get_jfloat(); }
duke@435	126	jdouble as_jdouble() const { type_check(T_DOUBLE); return _value.get_jdouble(); }
duke@435	127	jobject as_jobject() const { type_check(T_OBJECT); return _value.get_jobject(); }
duke@435	128	jint as_jint_lo() const { type_check(T_LONG ); return low(_value.get_jlong()); }
duke@435	129	jint as_jint_hi() const { type_check(T_LONG ); return high(_value.get_jlong()); }
duke@435	130
duke@435	131	#ifdef _LP64
duke@435	132	address as_pointer() const { type_check(T_LONG ); return (address)_value.get_jlong(); }
coleenp@4037	133	Metadata* as_metadata() const { type_check(T_METADATA); return (Metadata*)_value.get_jlong(); }
duke@435	134	#else
duke@435	135	address as_pointer() const { type_check(T_INT ); return (address)_value.get_jint(); }
coleenp@4037	136	Metadata* as_metadata() const { type_check(T_METADATA); return (Metadata*)_value.get_jint(); }
duke@435	137	#endif
duke@435	138
duke@435	139
roland@1732	140	jint as_jint_bits() const { type_check(T_FLOAT, T_INT, T_ADDRESS); return _value.get_jint(); }
duke@435	141	jint as_jint_lo_bits() const {
duke@435	142	if (type() == T_DOUBLE) {
duke@435	143	return low(jlong_cast(_value.get_jdouble()));
duke@435	144	} else {
duke@435	145	return as_jint_lo();
duke@435	146	}
duke@435	147	}
duke@435	148	jint as_jint_hi_bits() const {
duke@435	149	if (type() == T_DOUBLE) {
duke@435	150	return high(jlong_cast(_value.get_jdouble()));
duke@435	151	} else {
duke@435	152	return as_jint_hi();
duke@435	153	}
duke@435	154	}
never@739	155	jlong as_jlong_bits() const {
never@739	156	if (type() == T_DOUBLE) {
never@739	157	return jlong_cast(_value.get_jdouble());
never@739	158	} else {
never@739	159	return as_jlong();
never@739	160	}
never@739	161	}
duke@435	162
duke@435	163	virtual void print_value_on(outputStream* out) const PRODUCT_RETURN;
duke@435	164
duke@435	165
duke@435	166	bool is_zero_float() {
duke@435	167	jfloat f = as_jfloat();
duke@435	168	jfloat ok = 0.0f;
duke@435	169	return jint_cast(f) == jint_cast(ok);
duke@435	170	}
duke@435	171
duke@435	172	bool is_one_float() {
duke@435	173	jfloat f = as_jfloat();
duke@435	174	return !g_isnan(f) && g_isfinite(f) && f == 1.0;
duke@435	175	}
duke@435	176
duke@435	177	bool is_zero_double() {
duke@435	178	jdouble d = as_jdouble();
duke@435	179	jdouble ok = 0.0;
duke@435	180	return jlong_cast(d) == jlong_cast(ok);
duke@435	181	}
duke@435	182
duke@435	183	bool is_one_double() {
duke@435	184	jdouble d = as_jdouble();
duke@435	185	return !g_isnan(d) && g_isfinite(d) && d == 1.0;
duke@435	186	}
duke@435	187	};
duke@435	188
duke@435	189
duke@435	190	//---------------------LIR Operand descriptor------------------------------------
duke@435	191	//
duke@435	192	// The class LIR_OprDesc represents a LIR instruction operand;
duke@435	193	// it can be a register (ALU/FPU), stack location or a constant;
duke@435	194	// Constants and addresses are represented as resource area allocated
duke@435	195	// structures (see above).
duke@435	196	// Registers and stack locations are inlined into the this pointer
duke@435	197	// (see value function).
duke@435	198
duke@435	199	class LIR_OprDesc: public CompilationResourceObj {
duke@435	200	public:
duke@435	201	// value structure:
duke@435	202	// data opr-type opr-kind
duke@435	203	// +--------------+-------+-------+
duke@435	204	// [max...........|7 6 5 4|3 2 1 0]
duke@435	205	// ^
duke@435	206	// is_pointer bit
duke@435	207	//
duke@435	208	// lowest bit cleared, means it is a structure pointer
duke@435	209	// we need 4 bits to represent types
duke@435	210
duke@435	211	private:
duke@435	212	friend class LIR_OprFact;
duke@435	213
duke@435	214	// Conversion
duke@435	215	intptr_t value() const { return (intptr_t) this; }
duke@435	216
duke@435	217	bool check_value_mask(intptr_t mask, intptr_t masked_value) const {
duke@435	218	return (value() & mask) == masked_value;
duke@435	219	}
duke@435	220
duke@435	221	enum OprKind {
duke@435	222	pointer_value = 0
duke@435	223	, stack_value = 1
duke@435	224	, cpu_register = 3
duke@435	225	, fpu_register = 5
duke@435	226	, illegal_value = 7
duke@435	227	};
duke@435	228
duke@435	229	enum OprBits {
duke@435	230	pointer_bits = 1
duke@435	231	, kind_bits = 3
duke@435	232	, type_bits = 4
duke@435	233	, size_bits = 2
duke@435	234	, destroys_bits = 1
duke@435	235	, virtual_bits = 1
duke@435	236	, is_xmm_bits = 1
duke@435	237	, last_use_bits = 1
duke@435	238	, is_fpu_stack_offset_bits = 1 // used in assertion checking on x86 for FPU stack slot allocation
duke@435	239	, non_data_bits = kind_bits + type_bits + size_bits + destroys_bits + last_use_bits +
duke@435	240	is_fpu_stack_offset_bits + virtual_bits + is_xmm_bits
duke@435	241	, data_bits = BitsPerInt - non_data_bits
duke@435	242	, reg_bits = data_bits / 2 // for two registers in one value encoding
duke@435	243	};
duke@435	244
duke@435	245	enum OprShift {
duke@435	246	kind_shift = 0
duke@435	247	, type_shift = kind_shift + kind_bits
duke@435	248	, size_shift = type_shift + type_bits
duke@435	249	, destroys_shift = size_shift + size_bits
duke@435	250	, last_use_shift = destroys_shift + destroys_bits
duke@435	251	, is_fpu_stack_offset_shift = last_use_shift + last_use_bits
duke@435	252	, virtual_shift = is_fpu_stack_offset_shift + is_fpu_stack_offset_bits
duke@435	253	, is_xmm_shift = virtual_shift + virtual_bits
duke@435	254	, data_shift = is_xmm_shift + is_xmm_bits
duke@435	255	, reg1_shift = data_shift
duke@435	256	, reg2_shift = data_shift + reg_bits
duke@435	257
duke@435	258	};
duke@435	259
duke@435	260	enum OprSize {
duke@435	261	single_size = 0 << size_shift
duke@435	262	, double_size = 1 << size_shift
duke@435	263	};
duke@435	264
duke@435	265	enum OprMask {
duke@435	266	kind_mask = right_n_bits(kind_bits)
duke@435	267	, type_mask = right_n_bits(type_bits) << type_shift
duke@435	268	, size_mask = right_n_bits(size_bits) << size_shift
duke@435	269	, last_use_mask = right_n_bits(last_use_bits) << last_use_shift
duke@435	270	, is_fpu_stack_offset_mask = right_n_bits(is_fpu_stack_offset_bits) << is_fpu_stack_offset_shift
duke@435	271	, virtual_mask = right_n_bits(virtual_bits) << virtual_shift
duke@435	272	, is_xmm_mask = right_n_bits(is_xmm_bits) << is_xmm_shift
duke@435	273	, pointer_mask = right_n_bits(pointer_bits)
duke@435	274	, lower_reg_mask = right_n_bits(reg_bits)
duke@435	275	, no_type_mask = (int)(~(type_mask | last_use_mask | is_fpu_stack_offset_mask))
duke@435	276	};
duke@435	277
duke@435	278	uintptr_t data() const { return value() >> data_shift; }
duke@435	279	int lo_reg_half() const { return data() & lower_reg_mask; }
duke@435	280	int hi_reg_half() const { return (data() >> reg_bits) & lower_reg_mask; }
duke@435	281	OprKind kind_field() const { return (OprKind)(value() & kind_mask); }
duke@435	282	OprSize size_field() const { return (OprSize)(value() & size_mask); }
duke@435	283
duke@435	284	static char type_char(BasicType t);
duke@435	285
duke@435	286	public:
duke@435	287	enum {
duke@435	288	vreg_base = ConcreteRegisterImpl::number_of_registers,
duke@435	289	vreg_max = (1 << data_bits) - 1
duke@435	290	};
duke@435	291
duke@435	292	static inline LIR_Opr illegalOpr();
duke@435	293
duke@435	294	enum OprType {
duke@435	295	unknown_type = 0 << type_shift // means: not set (catch uninitialized types)
duke@435	296	, int_type = 1 << type_shift
duke@435	297	, long_type = 2 << type_shift
duke@435	298	, object_type = 3 << type_shift
never@2171	299	, address_type = 4 << type_shift
duke@435	300	, float_type = 5 << type_shift
duke@435	301	, double_type = 6 << type_shift
duke@435	302	};
duke@435	303	friend OprType as_OprType(BasicType t);
duke@435	304	friend BasicType as_BasicType(OprType t);
duke@435	305
duke@435	306	OprType type_field_valid() const { assert(is_register() || is_stack(), "should not be called otherwise"); return (OprType)(value() & type_mask); }
duke@435	307	OprType type_field() const { return is_illegal() ? unknown_type : (OprType)(value() & type_mask); }
duke@435	308
duke@435	309	static OprSize size_for(BasicType t) {
duke@435	310	switch (t) {
duke@435	311	case T_LONG:
duke@435	312	case T_DOUBLE:
duke@435	313	return double_size;
duke@435	314	break;
duke@435	315
duke@435	316	case T_FLOAT:
duke@435	317	case T_BOOLEAN:
duke@435	318	case T_CHAR:
duke@435	319	case T_BYTE:
duke@435	320	case T_SHORT:
duke@435	321	case T_INT:
never@2171	322	case T_ADDRESS:
duke@435	323	case T_OBJECT:
duke@435	324	case T_ARRAY:
duke@435	325	return single_size;
duke@435	326	break;
duke@435	327
duke@435	328	default:
duke@435	329	ShouldNotReachHere();
never@739	330	return single_size;
duke@435	331	}
duke@435	332	}
duke@435	333
duke@435	334
duke@435	335	void validate_type() const PRODUCT_RETURN;
duke@435	336
duke@435	337	BasicType type() const {
duke@435	338	if (is_pointer()) {
duke@435	339	return pointer()->type();
duke@435	340	}
duke@435	341	return as_BasicType(type_field());
duke@435	342	}
duke@435	343
duke@435	344
duke@435	345	ValueType* value_type() const { return as_ValueType(type()); }
duke@435	346
duke@435	347	char type_char() const { return type_char((is_pointer()) ? pointer()->type() : type()); }
duke@435	348
duke@435	349	bool is_equal(LIR_Opr opr) const { return this == opr; }
duke@435	350	// checks whether types are same
duke@435	351	bool is_same_type(LIR_Opr opr) const {
duke@435	352	assert(type_field() != unknown_type &&
duke@435	353	opr->type_field() != unknown_type, "shouldn't see unknown_type");
duke@435	354	return type_field() == opr->type_field();
duke@435	355	}
duke@435	356	bool is_same_register(LIR_Opr opr) {
duke@435	357	return (is_register() && opr->is_register() &&
duke@435	358	kind_field() == opr->kind_field() &&
duke@435	359	(value() & no_type_mask) == (opr->value() & no_type_mask));
duke@435	360	}
duke@435	361
duke@435	362	bool is_pointer() const { return check_value_mask(pointer_mask, pointer_value); }
duke@435	363	bool is_illegal() const { return kind_field() == illegal_value; }
duke@435	364	bool is_valid() const { return kind_field() != illegal_value; }
duke@435	365
duke@435	366	bool is_register() const { return is_cpu_register() || is_fpu_register(); }
duke@435	367	bool is_virtual() const { return is_virtual_cpu() || is_virtual_fpu(); }
duke@435	368
duke@435	369	bool is_constant() const { return is_pointer() && pointer()->as_constant() != NULL; }
duke@435	370	bool is_address() const { return is_pointer() && pointer()->as_address() != NULL; }
duke@435	371
duke@435	372	bool is_float_kind() const { return is_pointer() ? pointer()->is_float_kind() : (kind_field() == fpu_register); }
duke@435	373	bool is_oop() const;
duke@435	374
duke@435	375	// semantic for fpu- and xmm-registers:
duke@435	376	// * is_float and is_double return true for xmm_registers
duke@435	377	// (so is_single_fpu and is_single_xmm are true)
duke@435	378	// * So you must always check for is_???_xmm prior to is_???_fpu to
duke@435	379	// distinguish between fpu- and xmm-registers
duke@435	380
duke@435	381	bool is_stack() const { validate_type(); return check_value_mask(kind_mask, stack_value); }
duke@435	382	bool is_single_stack() const { validate_type(); return check_value_mask(kind_mask | size_mask, stack_value | single_size); }
duke@435	383	bool is_double_stack() const { validate_type(); return check_value_mask(kind_mask | size_mask, stack_value | double_size); }
duke@435	384
duke@435	385	bool is_cpu_register() const { validate_type(); return check_value_mask(kind_mask, cpu_register); }
duke@435	386	bool is_virtual_cpu() const { validate_type(); return check_value_mask(kind_mask | virtual_mask, cpu_register | virtual_mask); }
duke@435	387	bool is_fixed_cpu() const { validate_type(); return check_value_mask(kind_mask | virtual_mask, cpu_register); }
duke@435	388	bool is_single_cpu() const { validate_type(); return check_value_mask(kind_mask | size_mask, cpu_register | single_size); }
duke@435	389	bool is_double_cpu() const { validate_type(); return check_value_mask(kind_mask | size_mask, cpu_register | double_size); }
duke@435	390
duke@435	391	bool is_fpu_register() const { validate_type(); return check_value_mask(kind_mask, fpu_register); }
duke@435	392	bool is_virtual_fpu() const { validate_type(); return check_value_mask(kind_mask | virtual_mask, fpu_register | virtual_mask); }
duke@435	393	bool is_fixed_fpu() const { validate_type(); return check_value_mask(kind_mask | virtual_mask, fpu_register); }
duke@435	394	bool is_single_fpu() const { validate_type(); return check_value_mask(kind_mask | size_mask, fpu_register | single_size); }
duke@435	395	bool is_double_fpu() const { validate_type(); return check_value_mask(kind_mask | size_mask, fpu_register | double_size); }
duke@435	396
duke@435	397	bool is_xmm_register() const { validate_type(); return check_value_mask(kind_mask | is_xmm_mask, fpu_register | is_xmm_mask); }
duke@435	398	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	399	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	400
duke@435	401	// fast accessor functions for special bits that do not work for pointers
duke@435	402	// (in this functions, the check for is_pointer() is omitted)
duke@435	403	bool is_single_word() const { assert(is_register() || is_stack(), "type check"); return check_value_mask(size_mask, single_size); }
duke@435	404	bool is_double_word() const { assert(is_register() || is_stack(), "type check"); return check_value_mask(size_mask, double_size); }
duke@435	405	bool is_virtual_register() const { assert(is_register(), "type check"); return check_value_mask(virtual_mask, virtual_mask); }
duke@435	406	bool is_oop_register() const { assert(is_register() || is_stack(), "type check"); return type_field_valid() == object_type; }
duke@435	407	BasicType type_register() const { assert(is_register() || is_stack(), "type check"); return as_BasicType(type_field_valid()); }
duke@435	408
duke@435	409	bool is_last_use() const { assert(is_register(), "only works for registers"); return (value() & last_use_mask) != 0; }
duke@435	410	bool is_fpu_stack_offset() const { assert(is_register(), "only works for registers"); return (value() & is_fpu_stack_offset_mask) != 0; }
duke@435	411	LIR_Opr make_last_use() { assert(is_register(), "only works for registers"); return (LIR_Opr)(value() | last_use_mask); }
duke@435	412	LIR_Opr make_fpu_stack_offset() { assert(is_register(), "only works for registers"); return (LIR_Opr)(value() | is_fpu_stack_offset_mask); }
duke@435	413
duke@435	414
duke@435	415	int single_stack_ix() const { assert(is_single_stack() && !is_virtual(), "type check"); return (int)data(); }
duke@435	416	int double_stack_ix() const { assert(is_double_stack() && !is_virtual(), "type check"); return (int)data(); }
duke@435	417	RegNr cpu_regnr() const { assert(is_single_cpu() && !is_virtual(), "type check"); return (RegNr)data(); }
duke@435	418	RegNr cpu_regnrLo() const { assert(is_double_cpu() && !is_virtual(), "type check"); return (RegNr)lo_reg_half(); }
duke@435	419	RegNr cpu_regnrHi() const { assert(is_double_cpu() && !is_virtual(), "type check"); return (RegNr)hi_reg_half(); }
duke@435	420	RegNr fpu_regnr() const { assert(is_single_fpu() && !is_virtual(), "type check"); return (RegNr)data(); }
duke@435	421	RegNr fpu_regnrLo() const { assert(is_double_fpu() && !is_virtual(), "type check"); return (RegNr)lo_reg_half(); }
duke@435	422	RegNr fpu_regnrHi() const { assert(is_double_fpu() && !is_virtual(), "type check"); return (RegNr)hi_reg_half(); }
duke@435	423	RegNr xmm_regnr() const { assert(is_single_xmm() && !is_virtual(), "type check"); return (RegNr)data(); }
duke@435	424	RegNr xmm_regnrLo() const { assert(is_double_xmm() && !is_virtual(), "type check"); return (RegNr)lo_reg_half(); }
duke@435	425	RegNr xmm_regnrHi() const { assert(is_double_xmm() && !is_virtual(), "type check"); return (RegNr)hi_reg_half(); }
duke@435	426	int vreg_number() const { assert(is_virtual(), "type check"); return (RegNr)data(); }
duke@435	427
duke@435	428	LIR_OprPtr* pointer() const { assert(is_pointer(), "type check"); return (LIR_OprPtr*)this; }
duke@435	429	LIR_Const* as_constant_ptr() const { return pointer()->as_constant(); }
duke@435	430	LIR_Address* as_address_ptr() const { return pointer()->as_address(); }
duke@435	431
duke@435	432	Register as_register() const;
duke@435	433	Register as_register_lo() const;
duke@435	434	Register as_register_hi() const;
duke@435	435
duke@435	436	Register as_pointer_register() {
duke@435	437	#ifdef _LP64
duke@435	438	if (is_double_cpu()) {
duke@435	439	assert(as_register_lo() == as_register_hi(), "should be a single register");
duke@435	440	return as_register_lo();
duke@435	441	}
duke@435	442	#endif
duke@435	443	return as_register();
duke@435	444	}
duke@435	445
never@739	446	#ifdef X86
duke@435	447	XMMRegister as_xmm_float_reg() const;
duke@435	448	XMMRegister as_xmm_double_reg() const;
duke@435	449	// for compatibility with RInfo
duke@435	450	int fpu () const { return lo_reg_half(); }
never@739	451	#endif // X86
bobv@2036	452	#if defined(SPARC) || defined(ARM) || defined(PPC)
duke@435	453	FloatRegister as_float_reg () const;
duke@435	454	FloatRegister as_double_reg () const;
duke@435	455	#endif
duke@435	456
duke@435	457	jint as_jint() const { return as_constant_ptr()->as_jint(); }
duke@435	458	jlong as_jlong() const { return as_constant_ptr()->as_jlong(); }
duke@435	459	jfloat as_jfloat() const { return as_constant_ptr()->as_jfloat(); }
duke@435	460	jdouble as_jdouble() const { return as_constant_ptr()->as_jdouble(); }
duke@435	461	jobject as_jobject() const { return as_constant_ptr()->as_jobject(); }
duke@435	462
duke@435	463	void print() const PRODUCT_RETURN;
duke@435	464	void print(outputStream* out) const PRODUCT_RETURN;
duke@435	465	};
duke@435	466
duke@435	467
duke@435	468	inline LIR_OprDesc::OprType as_OprType(BasicType type) {
duke@435	469	switch (type) {
duke@435	470	case T_INT: return LIR_OprDesc::int_type;
duke@435	471	case T_LONG: return LIR_OprDesc::long_type;
duke@435	472	case T_FLOAT: return LIR_OprDesc::float_type;
duke@435	473	case T_DOUBLE: return LIR_OprDesc::double_type;
duke@435	474	case T_OBJECT:
duke@435	475	case T_ARRAY: return LIR_OprDesc::object_type;
never@2171	476	case T_ADDRESS: return LIR_OprDesc::address_type;
duke@435	477	case T_ILLEGAL: // fall through
duke@435	478	default: ShouldNotReachHere(); return LIR_OprDesc::unknown_type;
duke@435	479	}
duke@435	480	}
duke@435	481
duke@435	482	inline BasicType as_BasicType(LIR_OprDesc::OprType t) {
duke@435	483	switch (t) {
duke@435	484	case LIR_OprDesc::int_type: return T_INT;
duke@435	485	case LIR_OprDesc::long_type: return T_LONG;
duke@435	486	case LIR_OprDesc::float_type: return T_FLOAT;
duke@435	487	case LIR_OprDesc::double_type: return T_DOUBLE;
duke@435	488	case LIR_OprDesc::object_type: return T_OBJECT;
never@2171	489	case LIR_OprDesc::address_type: return T_ADDRESS;
duke@435	490	case LIR_OprDesc::unknown_type: // fall through
duke@435	491	default: ShouldNotReachHere(); return T_ILLEGAL;
duke@435	492	}
duke@435	493	}
duke@435	494
duke@435	495
duke@435	496	// LIR_Address
duke@435	497	class LIR_Address: public LIR_OprPtr {
duke@435	498	friend class LIR_OpVisitState;
duke@435	499
duke@435	500	public:
duke@435	501	// NOTE: currently these must be the log2 of the scale factor (and
duke@435	502	// must also be equivalent to the ScaleFactor enum in
duke@435	503	// assembler_i486.hpp)
duke@435	504	enum Scale {
duke@435	505	times_1 = 0,
duke@435	506	times_2 = 1,
duke@435	507	times_4 = 2,
duke@435	508	times_8 = 3
duke@435	509	};
duke@435	510
duke@435	511	private:
duke@435	512	LIR_Opr _base;
duke@435	513	LIR_Opr _index;
duke@435	514	Scale _scale;
duke@435	515	intx _disp;
duke@435	516	BasicType _type;
duke@435	517
duke@435	518	public:
duke@435	519	LIR_Address(LIR_Opr base, LIR_Opr index, BasicType type):
duke@435	520	_base(base)
duke@435	521	, _index(index)
duke@435	522	, _scale(times_1)
duke@435	523	, _type(type)
duke@435	524	, _disp(0) { verify(); }
duke@435	525
iveresov@1927	526	LIR_Address(LIR_Opr base, intx disp, BasicType type):
duke@435	527	_base(base)
duke@435	528	, _index(LIR_OprDesc::illegalOpr())
duke@435	529	, _scale(times_1)
duke@435	530	, _type(type)
duke@435	531	, _disp(disp) { verify(); }
duke@435	532
iveresov@1927	533	LIR_Address(LIR_Opr base, BasicType type):
iveresov@1927	534	_base(base)
iveresov@1927	535	, _index(LIR_OprDesc::illegalOpr())
iveresov@1927	536	, _scale(times_1)
iveresov@1927	537	, _type(type)
iveresov@1927	538	, _disp(0) { verify(); }
iveresov@1927	539
bobv@2036	540	#if defined(X86) || defined(ARM)
iveresov@1927	541	LIR_Address(LIR_Opr base, LIR_Opr index, Scale scale, intx disp, BasicType type):
duke@435	542	_base(base)
duke@435	543	, _index(index)
duke@435	544	, _scale(scale)
duke@435	545	, _type(type)
duke@435	546	, _disp(disp) { verify(); }
bobv@2036	547	#endif // X86 || ARM
duke@435	548
duke@435	549	LIR_Opr base() const { return _base; }
duke@435	550	LIR_Opr index() const { return _index; }
duke@435	551	Scale scale() const { return _scale; }
duke@435	552	intx disp() const { return _disp; }
duke@435	553
duke@435	554	bool equals(LIR_Address* other) const { return base() == other->base() && index() == other->index() && disp() == other->disp() && scale() == other->scale(); }
duke@435	555
duke@435	556	virtual LIR_Address* as_address() { return this; }
duke@435	557	virtual BasicType type() const { return _type; }
duke@435	558	virtual void print_value_on(outputStream* out) const PRODUCT_RETURN;
duke@435	559
duke@435	560	void verify() const PRODUCT_RETURN;
duke@435	561
duke@435	562	static Scale scale(BasicType type);
duke@435	563	};
duke@435	564
duke@435	565
duke@435	566	// operand factory
duke@435	567	class LIR_OprFact: public AllStatic {
duke@435	568	public:
duke@435	569
duke@435	570	static LIR_Opr illegalOpr;
duke@435	571
never@2171	572	static LIR_Opr single_cpu(int reg) {
never@2171	573	return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) |
never@2171	574	LIR_OprDesc::int_type |
never@2171	575	LIR_OprDesc::cpu_register |
never@2171	576	LIR_OprDesc::single_size);
never@2171	577	}
never@2171	578	static LIR_Opr single_cpu_oop(int reg) {
never@2171	579	return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) |
never@2171	580	LIR_OprDesc::object_type |
never@2171	581	LIR_OprDesc::cpu_register |
never@2171	582	LIR_OprDesc::single_size);
never@2171	583	}
never@2171	584	static LIR_Opr single_cpu_address(int reg) {
never@2171	585	return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) |
never@2171	586	LIR_OprDesc::address_type |
never@2171	587	LIR_OprDesc::cpu_register |
never@2171	588	LIR_OprDesc::single_size);
never@2171	589	}
never@739	590	static LIR_Opr double_cpu(int reg1, int reg2) {
never@739	591	LP64_ONLY(assert(reg1 == reg2, "must be identical"));
never@739	592	return (LIR_Opr)(intptr_t)((reg1 << LIR_OprDesc::reg1_shift) |
never@739	593	(reg2 << LIR_OprDesc::reg2_shift) |
never@739	594	LIR_OprDesc::long_type |
never@739	595	LIR_OprDesc::cpu_register |
never@739	596	LIR_OprDesc::double_size);
never@739	597	}
duke@435	598
never@739	599	static LIR_Opr single_fpu(int reg) { return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) |
never@739	600	LIR_OprDesc::float_type |
never@739	601	LIR_OprDesc::fpu_register |
never@739	602	LIR_OprDesc::single_size); }
bobv@2036	603	#if defined(ARM)
bobv@2036	604	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	605	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	606	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	607	#endif
duke@435	608	#ifdef SPARC
never@739	609	static LIR_Opr double_fpu(int reg1, int reg2) { return (LIR_Opr)(intptr_t)((reg1 << LIR_OprDesc::reg1_shift) |
never@739	610	(reg2 << LIR_OprDesc::reg2_shift) |
never@739	611	LIR_OprDesc::double_type |
never@739	612	LIR_OprDesc::fpu_register |
never@739	613	LIR_OprDesc::double_size); }
duke@435	614	#endif
never@739	615	#ifdef X86
never@739	616	static LIR_Opr double_fpu(int reg) { return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) |
never@739	617	(reg << LIR_OprDesc::reg2_shift) |
never@739	618	LIR_OprDesc::double_type |
never@739	619	LIR_OprDesc::fpu_register |
never@739	620	LIR_OprDesc::double_size); }
never@739	621
never@739	622	static LIR_Opr single_xmm(int reg) { return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) |
never@739	623	LIR_OprDesc::float_type |
never@739	624	LIR_OprDesc::fpu_register |
never@739	625	LIR_OprDesc::single_size |
never@739	626	LIR_OprDesc::is_xmm_mask); }
never@739	627	static LIR_Opr double_xmm(int reg) { return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) |
never@739	628	(reg << LIR_OprDesc::reg2_shift) |
never@739	629	LIR_OprDesc::double_type |
never@739	630	LIR_OprDesc::fpu_register |
never@739	631	LIR_OprDesc::double_size |
never@739	632	LIR_OprDesc::is_xmm_mask); }
never@739	633	#endif // X86
bobv@2036	634	#ifdef PPC
bobv@2036	635	static LIR_Opr double_fpu(int reg) { return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) |
bobv@2036	636	(reg << LIR_OprDesc::reg2_shift) |
bobv@2036	637	LIR_OprDesc::double_type |
bobv@2036	638	LIR_OprDesc::fpu_register |
bobv@2036	639	LIR_OprDesc::double_size); }
bobv@2036	640	static LIR_Opr single_softfp(int reg) { return (LIR_Opr)((reg << LIR_OprDesc::reg1_shift) |
bobv@2036	641	LIR_OprDesc::float_type |
bobv@2036	642	LIR_OprDesc::cpu_register |
bobv@2036	643	LIR_OprDesc::single_size); }
bobv@2036	644	static LIR_Opr double_softfp(int reg1, int reg2) { return (LIR_Opr)((reg2 << LIR_OprDesc::reg1_shift) |
bobv@2036	645	(reg1 << LIR_OprDesc::reg2_shift) |
bobv@2036	646	LIR_OprDesc::double_type |
bobv@2036	647	LIR_OprDesc::cpu_register |
bobv@2036	648	LIR_OprDesc::double_size); }
bobv@2036	649	#endif // PPC
duke@435	650
duke@435	651	static LIR_Opr virtual_register(int index, BasicType type) {
duke@435	652	LIR_Opr res;
duke@435	653	switch (type) {
duke@435	654	case T_OBJECT: // fall through
never@739	655	case T_ARRAY:
never@739	656	res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
never@739	657	LIR_OprDesc::object_type |
never@739	658	LIR_OprDesc::cpu_register |
never@739	659	LIR_OprDesc::single_size |
never@739	660	LIR_OprDesc::virtual_mask);
never@739	661	break;
never@739	662
never@739	663	case T_INT:
never@739	664	res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
never@739	665	LIR_OprDesc::int_type |
never@739	666	LIR_OprDesc::cpu_register |
never@739	667	LIR_OprDesc::single_size |
never@739	668	LIR_OprDesc::virtual_mask);
never@739	669	break;
never@739	670
never@2171	671	case T_ADDRESS:
never@2171	672	res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
never@2171	673	LIR_OprDesc::address_type |
never@2171	674	LIR_OprDesc::cpu_register |
never@2171	675	LIR_OprDesc::single_size |
never@2171	676	LIR_OprDesc::virtual_mask);
never@2171	677	break;
never@2171	678
never@739	679	case T_LONG:
never@739	680	res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
never@739	681	LIR_OprDesc::long_type |
never@739	682	LIR_OprDesc::cpu_register |
never@739	683	LIR_OprDesc::double_size |
never@739	684	LIR_OprDesc::virtual_mask);
never@739	685	break;
never@739	686
bobv@2036	687	#ifdef __SOFTFP__
bobv@2036	688	case T_FLOAT:
bobv@2036	689	res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
bobv@2036	690	LIR_OprDesc::float_type |
bobv@2036	691	LIR_OprDesc::cpu_register |
bobv@2036	692	LIR_OprDesc::single_size |
bobv@2036	693	LIR_OprDesc::virtual_mask);
bobv@2036	694	break;
bobv@2036	695	case T_DOUBLE:
bobv@2036	696	res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
bobv@2036	697	LIR_OprDesc::double_type |
bobv@2036	698	LIR_OprDesc::cpu_register |
bobv@2036	699	LIR_OprDesc::double_size |
bobv@2036	700	LIR_OprDesc::virtual_mask);
bobv@2036	701	break;
bobv@2036	702	#else // __SOFTFP__
never@739	703	case T_FLOAT:
never@739	704	res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
never@739	705	LIR_OprDesc::float_type |
never@739	706	LIR_OprDesc::fpu_register |
never@739	707	LIR_OprDesc::single_size |
never@739	708	LIR_OprDesc::virtual_mask);
never@739	709	break;
never@739	710
never@739	711	case
never@739	712	T_DOUBLE: res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
never@739	713	LIR_OprDesc::double_type |
never@739	714	LIR_OprDesc::fpu_register |
never@739	715	LIR_OprDesc::double_size |
never@739	716	LIR_OprDesc::virtual_mask);
never@739	717	break;
bobv@2036	718	#endif // __SOFTFP__
duke@435	719	default: ShouldNotReachHere(); res = illegalOpr;
duke@435	720	}
duke@435	721
duke@435	722	#ifdef ASSERT
duke@435	723	res->validate_type();
duke@435	724	assert(res->vreg_number() == index, "conversion check");
duke@435	725	assert(index >= LIR_OprDesc::vreg_base, "must start at vreg_base");
duke@435	726	assert(index <= (max_jint >> LIR_OprDesc::data_shift), "index is too big");
duke@435	727
duke@435	728	// old-style calculation; check if old and new method are equal
duke@435	729	LIR_OprDesc::OprType t = as_OprType(type);
bobv@2036	730	#ifdef __SOFTFP__
bobv@2036	731	LIR_Opr old_res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
bobv@2036	732	t |
bobv@2036	733	LIR_OprDesc::cpu_register |
bobv@2036	734	LIR_OprDesc::size_for(type) | LIR_OprDesc::virtual_mask);
bobv@2036	735	#else // __SOFTFP__
never@739	736	LIR_Opr old_res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | t |
never@739	737	((type == T_FLOAT || type == T_DOUBLE) ? LIR_OprDesc::fpu_register : LIR_OprDesc::cpu_register) |
duke@435	738	LIR_OprDesc::size_for(type) | LIR_OprDesc::virtual_mask);
duke@435	739	assert(res == old_res, "old and new method not equal");
bobv@2036	740	#endif // __SOFTFP__
bobv@2036	741	#endif // ASSERT
duke@435	742
duke@435	743	return res;
duke@435	744	}
duke@435	745
duke@435	746	// 'index' is computed by FrameMap::local_stack_pos(index); do not use other parameters as
duke@435	747	// the index is platform independent; a double stack useing indeces 2 and 3 has always
duke@435	748	// index 2.
duke@435	749	static LIR_Opr stack(int index, BasicType type) {
duke@435	750	LIR_Opr res;
duke@435	751	switch (type) {
duke@435	752	case T_OBJECT: // fall through
never@739	753	case T_ARRAY:
never@739	754	res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
never@739	755	LIR_OprDesc::object_type |
never@739	756	LIR_OprDesc::stack_value |
never@739	757	LIR_OprDesc::single_size);
never@739	758	break;
never@739	759
never@739	760	case T_INT:
never@739	761	res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
never@739	762	LIR_OprDesc::int_type |
never@739	763	LIR_OprDesc::stack_value |
never@739	764	LIR_OprDesc::single_size);
never@739	765	break;
never@739	766
never@2171	767	case T_ADDRESS:
never@2171	768	res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
never@2171	769	LIR_OprDesc::address_type |
never@2171	770	LIR_OprDesc::stack_value |
never@2171	771	LIR_OprDesc::single_size);
never@2171	772	break;
never@2171	773
never@739	774	case T_LONG:
never@739	775	res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
never@739	776	LIR_OprDesc::long_type |
never@739	777	LIR_OprDesc::stack_value |
never@739	778	LIR_OprDesc::double_size);
never@739	779	break;
never@739	780
never@739	781	case T_FLOAT:
never@739	782	res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
never@739	783	LIR_OprDesc::float_type |
never@739	784	LIR_OprDesc::stack_value |
never@739	785	LIR_OprDesc::single_size);
never@739	786	break;
never@739	787	case T_DOUBLE:
never@739	788	res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
never@739	789	LIR_OprDesc::double_type |
never@739	790	LIR_OprDesc::stack_value |
never@739	791	LIR_OprDesc::double_size);
never@739	792	break;
duke@435	793
duke@435	794	default: ShouldNotReachHere(); res = illegalOpr;
duke@435	795	}
duke@435	796
duke@435	797	#ifdef ASSERT
duke@435	798	assert(index >= 0, "index must be positive");
duke@435	799	assert(index <= (max_jint >> LIR_OprDesc::data_shift), "index is too big");
duke@435	800
never@739	801	LIR_Opr old_res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
never@739	802	LIR_OprDesc::stack_value |
never@739	803	as_OprType(type) |
never@739	804	LIR_OprDesc::size_for(type));
duke@435	805	assert(res == old_res, "old and new method not equal");
duke@435	806	#endif
duke@435	807
duke@435	808	return res;
duke@435	809	}
duke@435	810
duke@435	811	static LIR_Opr intConst(jint i) { return (LIR_Opr)(new LIR_Const(i)); }
duke@435	812	static LIR_Opr longConst(jlong l) { return (LIR_Opr)(new LIR_Const(l)); }
duke@435	813	static LIR_Opr floatConst(jfloat f) { return (LIR_Opr)(new LIR_Const(f)); }
duke@435	814	static LIR_Opr doubleConst(jdouble d) { return (LIR_Opr)(new LIR_Const(d)); }
duke@435	815	static LIR_Opr oopConst(jobject o) { return (LIR_Opr)(new LIR_Const(o)); }
duke@435	816	static LIR_Opr address(LIR_Address* a) { return (LIR_Opr)a; }
duke@435	817	static LIR_Opr intptrConst(void* p) { return (LIR_Opr)(new LIR_Const(p)); }
duke@435	818	static LIR_Opr intptrConst(intptr_t v) { return (LIR_Opr)(new LIR_Const((void*)v)); }
duke@435	819	static LIR_Opr illegal() { return (LIR_Opr)-1; }
roland@1732	820	static LIR_Opr addressConst(jint i) { return (LIR_Opr)(new LIR_Const(i, true)); }
coleenp@4037	821	static LIR_Opr metadataConst(Metadata* m) { return (LIR_Opr)(new LIR_Const(m)); }
duke@435	822
duke@435	823	static LIR_Opr value_type(ValueType* type);
duke@435	824	static LIR_Opr dummy_value_type(ValueType* type);
duke@435	825	};
duke@435	826
duke@435	827
duke@435	828	//-------------------------------------------------------------------------------
duke@435	829	// LIR Instructions
duke@435	830	//-------------------------------------------------------------------------------
duke@435	831	//
duke@435	832	// Note:
duke@435	833	// - every instruction has a result operand
duke@435	834	// - every instruction has an CodeEmitInfo operand (can be revisited later)
duke@435	835	// - every instruction has a LIR_OpCode operand
duke@435	836	// - LIR_OpN, means an instruction that has N input operands
duke@435	837	//
duke@435	838	// class hierarchy:
duke@435	839	//
duke@435	840	class LIR_Op;
duke@435	841	class LIR_Op0;
duke@435	842	class LIR_OpLabel;
duke@435	843	class LIR_Op1;
duke@435	844	class LIR_OpBranch;
duke@435	845	class LIR_OpConvert;
duke@435	846	class LIR_OpAllocObj;
duke@435	847	class LIR_OpRoundFP;
duke@435	848	class LIR_Op2;
duke@435	849	class LIR_OpDelay;
duke@435	850	class LIR_Op3;
duke@435	851	class LIR_OpAllocArray;
duke@435	852	class LIR_OpCall;
duke@435	853	class LIR_OpJavaCall;
duke@435	854	class LIR_OpRTCall;
duke@435	855	class LIR_OpArrayCopy;
duke@435	856	class LIR_OpLock;
duke@435	857	class LIR_OpTypeCheck;
duke@435	858	class LIR_OpCompareAndSwap;
duke@435	859	class LIR_OpProfileCall;
duke@435	860
duke@435	861
duke@435	862	// LIR operation codes
duke@435	863	enum LIR_Code {
duke@435	864	lir_none
duke@435	865	, begin_op0
duke@435	866	, lir_word_align
duke@435	867	, lir_label
duke@435	868	, lir_nop
duke@435	869	, lir_backwardbranch_target
duke@435	870	, lir_std_entry
duke@435	871	, lir_osr_entry
duke@435	872	, lir_build_frame
duke@435	873	, lir_fpop_raw
duke@435	874	, lir_24bit_FPU
duke@435	875	, lir_reset_FPU
duke@435	876	, lir_breakpoint
duke@435	877	, lir_rtcall
duke@435	878	, lir_membar
duke@435	879	, lir_membar_acquire
duke@435	880	, lir_membar_release
jiangli@3592	881	, lir_membar_loadload
jiangli@3592	882	, lir_membar_storestore
jiangli@3592	883	, lir_membar_loadstore
jiangli@3592	884	, lir_membar_storeload
duke@435	885	, lir_get_thread
duke@435	886	, end_op0
duke@435	887	, begin_op1
duke@435	888	, lir_fxch
duke@435	889	, lir_fld
duke@435	890	, lir_ffree
duke@435	891	, lir_push
duke@435	892	, lir_pop
duke@435	893	, lir_null_check
duke@435	894	, lir_return
duke@435	895	, lir_leal
duke@435	896	, lir_neg
duke@435	897	, lir_branch
duke@435	898	, lir_cond_float_branch
duke@435	899	, lir_move
duke@435	900	, lir_prefetchr
duke@435	901	, lir_prefetchw
duke@435	902	, lir_convert
duke@435	903	, lir_alloc_object
duke@435	904	, lir_monaddr
duke@435	905	, lir_roundfp
duke@435	906	, lir_safepoint
iveresov@2138	907	, lir_pack64
iveresov@2138	908	, lir_unpack64
never@1813	909	, lir_unwind
duke@435	910	, end_op1
duke@435	911	, begin_op2
duke@435	912	, lir_cmp
duke@435	913	, lir_cmp_l2i
duke@435	914	, lir_ucmp_fd2i
duke@435	915	, lir_cmp_fd2i
duke@435	916	, lir_cmove
duke@435	917	, lir_add
duke@435	918	, lir_sub
duke@435	919	, lir_mul
duke@435	920	, lir_mul_strictfp
duke@435	921	, lir_div
duke@435	922	, lir_div_strictfp
duke@435	923	, lir_rem
duke@435	924	, lir_sqrt
duke@435	925	, lir_abs
duke@435	926	, lir_sin
duke@435	927	, lir_cos
duke@435	928	, lir_tan
duke@435	929	, lir_log
duke@435	930	, lir_log10
roland@3787	931	, lir_exp
roland@3787	932	, lir_pow
duke@435	933	, lir_logic_and
duke@435	934	, lir_logic_or
duke@435	935	, lir_logic_xor
duke@435	936	, lir_shl
duke@435	937	, lir_shr
duke@435	938	, lir_ushr
duke@435	939	, lir_alloc_array
duke@435	940	, lir_throw
duke@435	941	, lir_compare_to
duke@435	942	, end_op2
duke@435	943	, begin_op3
duke@435	944	, lir_idiv
duke@435	945	, lir_irem
duke@435	946	, end_op3
duke@435	947	, begin_opJavaCall
duke@435	948	, lir_static_call
duke@435	949	, lir_optvirtual_call
duke@435	950	, lir_icvirtual_call
duke@435	951	, lir_virtual_call
twisti@1730	952	, lir_dynamic_call
duke@435	953	, end_opJavaCall
duke@435	954	, begin_opArrayCopy
duke@435	955	, lir_arraycopy
duke@435	956	, end_opArrayCopy
duke@435	957	, begin_opLock
duke@435	958	, lir_lock
duke@435	959	, lir_unlock
duke@435	960	, end_opLock
duke@435	961	, begin_delay_slot
duke@435	962	, lir_delay_slot
duke@435	963	, end_delay_slot
duke@435	964	, begin_opTypeCheck
duke@435	965	, lir_instanceof
duke@435	966	, lir_checkcast
duke@435	967	, lir_store_check
duke@435	968	, end_opTypeCheck
duke@435	969	, begin_opCompareAndSwap
duke@435	970	, lir_cas_long
duke@435	971	, lir_cas_obj
duke@435	972	, lir_cas_int
duke@435	973	, end_opCompareAndSwap
duke@435	974	, begin_opMDOProfile
duke@435	975	, lir_profile_call
duke@435	976	, end_opMDOProfile
duke@435	977	};
duke@435	978
duke@435	979
duke@435	980	enum LIR_Condition {
duke@435	981	lir_cond_equal
duke@435	982	, lir_cond_notEqual
duke@435	983	, lir_cond_less
duke@435	984	, lir_cond_lessEqual
duke@435	985	, lir_cond_greaterEqual
duke@435	986	, lir_cond_greater
duke@435	987	, lir_cond_belowEqual
duke@435	988	, lir_cond_aboveEqual
duke@435	989	, lir_cond_always
duke@435	990	, lir_cond_unknown = -1
duke@435	991	};
duke@435	992
duke@435	993
duke@435	994	enum LIR_PatchCode {
duke@435	995	lir_patch_none,
duke@435	996	lir_patch_low,
duke@435	997	lir_patch_high,
duke@435	998	lir_patch_normal
duke@435	999	};
duke@435	1000
duke@435	1001
duke@435	1002	enum LIR_MoveKind {
duke@435	1003	lir_move_normal,
duke@435	1004	lir_move_volatile,
duke@435	1005	lir_move_unaligned,
iveresov@2344	1006	lir_move_wide,
duke@435	1007	lir_move_max_flag
duke@435	1008	};
duke@435	1009
duke@435	1010
duke@435	1011	// --------------------------------------------------
duke@435	1012	// LIR_Op
duke@435	1013	// --------------------------------------------------
duke@435	1014	class LIR_Op: public CompilationResourceObj {
duke@435	1015	friend class LIR_OpVisitState;
duke@435	1016
duke@435	1017	#ifdef ASSERT
duke@435	1018	private:
duke@435	1019	const char * _file;
duke@435	1020	int _line;
duke@435	1021	#endif
duke@435	1022
duke@435	1023	protected:
duke@435	1024	LIR_Opr _result;
duke@435	1025	unsigned short _code;
duke@435	1026	unsigned short _flags;
duke@435	1027	CodeEmitInfo* _info;
duke@435	1028	int _id; // value id for register allocation
duke@435	1029	int _fpu_pop_count;
duke@435	1030	Instruction* _source; // for debugging
duke@435	1031
duke@435	1032	static void print_condition(outputStream* out, LIR_Condition cond) PRODUCT_RETURN;
duke@435	1033
duke@435	1034	protected:
duke@435	1035	static bool is_in_range(LIR_Code test, LIR_Code start, LIR_Code end) { return start < test && test < end; }
duke@435	1036
duke@435	1037	public:
duke@435	1038	LIR_Op()
duke@435	1039	: _result(LIR_OprFact::illegalOpr)
duke@435	1040	, _code(lir_none)
duke@435	1041	, _flags(0)
duke@435	1042	, _info(NULL)
duke@435	1043	#ifdef ASSERT
duke@435	1044	, _file(NULL)
duke@435	1045	, _line(0)
duke@435	1046	#endif
duke@435	1047	, _fpu_pop_count(0)
duke@435	1048	, _source(NULL)
duke@435	1049	, _id(-1) {}
duke@435	1050
duke@435	1051	LIR_Op(LIR_Code code, LIR_Opr result, CodeEmitInfo* info)
duke@435	1052	: _result(result)
duke@435	1053	, _code(code)
duke@435	1054	, _flags(0)
duke@435	1055	, _info(info)
duke@435	1056	#ifdef ASSERT
duke@435	1057	, _file(NULL)
duke@435	1058	, _line(0)
duke@435	1059	#endif
duke@435	1060	, _fpu_pop_count(0)
duke@435	1061	, _source(NULL)
duke@435	1062	, _id(-1) {}
duke@435	1063
duke@435	1064	CodeEmitInfo* info() const { return _info; }
duke@435	1065	LIR_Code code() const { return (LIR_Code)_code; }
duke@435	1066	LIR_Opr result_opr() const { return _result; }
duke@435	1067	void set_result_opr(LIR_Opr opr) { _result = opr; }
duke@435	1068
duke@435	1069	#ifdef ASSERT
duke@435	1070	void set_file_and_line(const char * file, int line) {
duke@435	1071	_file = file;
duke@435	1072	_line = line;
duke@435	1073	}
duke@435	1074	#endif
duke@435	1075
duke@435	1076	virtual const char * name() const PRODUCT_RETURN0;
duke@435	1077
duke@435	1078	int id() const { return _id; }
duke@435	1079	void set_id(int id) { _id = id; }
duke@435	1080
duke@435	1081	// FPU stack simulation helpers -- only used on Intel
duke@435	1082	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	1083	int fpu_pop_count() const { return _fpu_pop_count; }
duke@435	1084	bool pop_fpu_stack() { return _fpu_pop_count > 0; }
duke@435	1085
duke@435	1086	Instruction* source() const { return _source; }
duke@435	1087	void set_source(Instruction* ins) { _source = ins; }
duke@435	1088
duke@435	1089	virtual void emit_code(LIR_Assembler* masm) = 0;
duke@435	1090	virtual void print_instr(outputStream* out) const = 0;
duke@435	1091	virtual void print_on(outputStream* st) const PRODUCT_RETURN;
duke@435	1092
duke@435	1093	virtual LIR_OpCall* as_OpCall() { return NULL; }
duke@435	1094	virtual LIR_OpJavaCall* as_OpJavaCall() { return NULL; }
duke@435	1095	virtual LIR_OpLabel* as_OpLabel() { return NULL; }
duke@435	1096	virtual LIR_OpDelay* as_OpDelay() { return NULL; }
duke@435	1097	virtual LIR_OpLock* as_OpLock() { return NULL; }
duke@435	1098	virtual LIR_OpAllocArray* as_OpAllocArray() { return NULL; }
duke@435	1099	virtual LIR_OpAllocObj* as_OpAllocObj() { return NULL; }
duke@435	1100	virtual LIR_OpRoundFP* as_OpRoundFP() { return NULL; }
duke@435	1101	virtual LIR_OpBranch* as_OpBranch() { return NULL; }
duke@435	1102	virtual LIR_OpRTCall* as_OpRTCall() { return NULL; }
duke@435	1103	virtual LIR_OpConvert* as_OpConvert() { return NULL; }
duke@435	1104	virtual LIR_Op0* as_Op0() { return NULL; }
duke@435	1105	virtual LIR_Op1* as_Op1() { return NULL; }
duke@435	1106	virtual LIR_Op2* as_Op2() { return NULL; }
duke@435	1107	virtual LIR_Op3* as_Op3() { return NULL; }
duke@435	1108	virtual LIR_OpArrayCopy* as_OpArrayCopy() { return NULL; }
duke@435	1109	virtual LIR_OpTypeCheck* as_OpTypeCheck() { return NULL; }
duke@435	1110	virtual LIR_OpCompareAndSwap* as_OpCompareAndSwap() { return NULL; }
duke@435	1111	virtual LIR_OpProfileCall* as_OpProfileCall() { return NULL; }
duke@435	1112
duke@435	1113	virtual void verify() const {}
duke@435	1114	};
duke@435	1115
duke@435	1116	// for calls
duke@435	1117	class LIR_OpCall: public LIR_Op {
duke@435	1118	friend class LIR_OpVisitState;
duke@435	1119
duke@435	1120	protected:
duke@435	1121	address _addr;
duke@435	1122	LIR_OprList* _arguments;
duke@435	1123	protected:
duke@435	1124	LIR_OpCall(LIR_Code code, address addr, LIR_Opr result,
duke@435	1125	LIR_OprList* arguments, CodeEmitInfo* info = NULL)
duke@435	1126	: LIR_Op(code, result, info)
duke@435	1127	, _arguments(arguments)
duke@435	1128	, _addr(addr) {}
duke@435	1129
duke@435	1130	public:
duke@435	1131	address addr() const { return _addr; }
duke@435	1132	const LIR_OprList* arguments() const { return _arguments; }
duke@435	1133	virtual LIR_OpCall* as_OpCall() { return this; }
duke@435	1134	};
duke@435	1135
duke@435	1136
duke@435	1137	// --------------------------------------------------
duke@435	1138	// LIR_OpJavaCall
duke@435	1139	// --------------------------------------------------
duke@435	1140	class LIR_OpJavaCall: public LIR_OpCall {
duke@435	1141	friend class LIR_OpVisitState;
duke@435	1142
duke@435	1143	private:
twisti@1919	1144	ciMethod* _method;
twisti@1919	1145	LIR_Opr _receiver;
twisti@1919	1146	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	1147
duke@435	1148	public:
duke@435	1149	LIR_OpJavaCall(LIR_Code code, ciMethod* method,
duke@435	1150	LIR_Opr receiver, LIR_Opr result,
duke@435	1151	address addr, LIR_OprList* arguments,
duke@435	1152	CodeEmitInfo* info)
duke@435	1153	: LIR_OpCall(code, addr, result, arguments, info)
duke@435	1154	, _receiver(receiver)
twisti@1919	1155	, _method(method)
twisti@1919	1156	, _method_handle_invoke_SP_save_opr(LIR_OprFact::illegalOpr)
twisti@1919	1157	{ assert(is_in_range(code, begin_opJavaCall, end_opJavaCall), "code check"); }
duke@435	1158
duke@435	1159	LIR_OpJavaCall(LIR_Code code, ciMethod* method,
duke@435	1160	LIR_Opr receiver, LIR_Opr result, intptr_t vtable_offset,
duke@435	1161	LIR_OprList* arguments, CodeEmitInfo* info)
duke@435	1162	: LIR_OpCall(code, (address)vtable_offset, result, arguments, info)
duke@435	1163	, _receiver(receiver)
twisti@1919	1164	, _method(method)
twisti@1919	1165	, _method_handle_invoke_SP_save_opr(LIR_OprFact::illegalOpr)
twisti@1919	1166	{ assert(is_in_range(code, begin_opJavaCall, end_opJavaCall), "code check"); }
duke@435	1167
duke@435	1168	LIR_Opr receiver() const { return _receiver; }
duke@435	1169	ciMethod* method() const { return _method; }
duke@435	1170
twisti@1730	1171	// JSR 292 support.
twisti@1730	1172	bool is_invokedynamic() const { return code() == lir_dynamic_call; }
twisti@1730	1173	bool is_method_handle_invoke() const {
twisti@1730	1174	return
twisti@1730	1175	is_invokedynamic() // An invokedynamic is always a MethodHandle call site.
twisti@1730	1176	||
twisti@3969	1177	method()->is_compiled_lambda_form() // Java-generated adapter
twisti@3969	1178	||
twisti@3969	1179	method()->is_method_handle_intrinsic(); // JVM-generated MH intrinsic
twisti@1730	1180	}
twisti@1730	1181
duke@435	1182	intptr_t vtable_offset() const {
duke@435	1183	assert(_code == lir_virtual_call, "only have vtable for real vcall");
duke@435	1184	return (intptr_t) addr();
duke@435	1185	}
duke@435	1186
duke@435	1187	virtual void emit_code(LIR_Assembler* masm);
duke@435	1188	virtual LIR_OpJavaCall* as_OpJavaCall() { return this; }
duke@435	1189	virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1190	};
duke@435	1191
duke@435	1192	// --------------------------------------------------
duke@435	1193	// LIR_OpLabel
duke@435	1194	// --------------------------------------------------
duke@435	1195	// Location where a branch can continue
duke@435	1196	class LIR_OpLabel: public LIR_Op {
duke@435	1197	friend class LIR_OpVisitState;
duke@435	1198
duke@435	1199	private:
duke@435	1200	Label* _label;
duke@435	1201	public:
duke@435	1202	LIR_OpLabel(Label* lbl)
duke@435	1203	: LIR_Op(lir_label, LIR_OprFact::illegalOpr, NULL)
duke@435	1204	, _label(lbl) {}
duke@435	1205	Label* label() const { return _label; }
duke@435	1206
duke@435	1207	virtual void emit_code(LIR_Assembler* masm);
duke@435	1208	virtual LIR_OpLabel* as_OpLabel() { return this; }
duke@435	1209	virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1210	};
duke@435	1211
duke@435	1212	// LIR_OpArrayCopy
duke@435	1213	class LIR_OpArrayCopy: public LIR_Op {
duke@435	1214	friend class LIR_OpVisitState;
duke@435	1215
duke@435	1216	private:
duke@435	1217	ArrayCopyStub* _stub;
duke@435	1218	LIR_Opr _src;
duke@435	1219	LIR_Opr _src_pos;
duke@435	1220	LIR_Opr _dst;
duke@435	1221	LIR_Opr _dst_pos;
duke@435	1222	LIR_Opr _length;
duke@435	1223	LIR_Opr _tmp;
duke@435	1224	ciArrayKlass* _expected_type;
duke@435	1225	int _flags;
duke@435	1226
duke@435	1227	public:
duke@435	1228	enum Flags {
duke@435	1229	src_null_check = 1 << 0,
duke@435	1230	dst_null_check = 1 << 1,
duke@435	1231	src_pos_positive_check = 1 << 2,
duke@435	1232	dst_pos_positive_check = 1 << 3,
duke@435	1233	length_positive_check = 1 << 4,
duke@435	1234	src_range_check = 1 << 5,
duke@435	1235	dst_range_check = 1 << 6,
duke@435	1236	type_check = 1 << 7,
roland@2728	1237	overlapping = 1 << 8,
roland@2728	1238	unaligned = 1 << 9,
roland@2728	1239	src_objarray = 1 << 10,
roland@2728	1240	dst_objarray = 1 << 11,
roland@2728	1241	all_flags = (1 << 12) - 1
duke@435	1242	};
duke@435	1243
duke@435	1244	LIR_OpArrayCopy(LIR_Opr src, LIR_Opr src_pos, LIR_Opr dst, LIR_Opr dst_pos, LIR_Opr length, LIR_Opr tmp,
duke@435	1245	ciArrayKlass* expected_type, int flags, CodeEmitInfo* info);
duke@435	1246
duke@435	1247	LIR_Opr src() const { return _src; }
duke@435	1248	LIR_Opr src_pos() const { return _src_pos; }
duke@435	1249	LIR_Opr dst() const { return _dst; }
duke@435	1250	LIR_Opr dst_pos() const { return _dst_pos; }
duke@435	1251	LIR_Opr length() const { return _length; }
duke@435	1252	LIR_Opr tmp() const { return _tmp; }
duke@435	1253	int flags() const { return _flags; }
duke@435	1254	ciArrayKlass* expected_type() const { return _expected_type; }
duke@435	1255	ArrayCopyStub* stub() const { return _stub; }
duke@435	1256
duke@435	1257	virtual void emit_code(LIR_Assembler* masm);
duke@435	1258	virtual LIR_OpArrayCopy* as_OpArrayCopy() { return this; }
duke@435	1259	void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1260	};
duke@435	1261
duke@435	1262
duke@435	1263	// --------------------------------------------------
duke@435	1264	// LIR_Op0
duke@435	1265	// --------------------------------------------------
duke@435	1266	class LIR_Op0: public LIR_Op {
duke@435	1267	friend class LIR_OpVisitState;
duke@435	1268
duke@435	1269	public:
duke@435	1270	LIR_Op0(LIR_Code code)
duke@435	1271	: LIR_Op(code, LIR_OprFact::illegalOpr, NULL) { assert(is_in_range(code, begin_op0, end_op0), "code check"); }
duke@435	1272	LIR_Op0(LIR_Code code, LIR_Opr result, CodeEmitInfo* info = NULL)
duke@435	1273	: LIR_Op(code, result, info) { assert(is_in_range(code, begin_op0, end_op0), "code check"); }
duke@435	1274
duke@435	1275	virtual void emit_code(LIR_Assembler* masm);
duke@435	1276	virtual LIR_Op0* as_Op0() { return this; }
duke@435	1277	virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1278	};
duke@435	1279
duke@435	1280
duke@435	1281	// --------------------------------------------------
duke@435	1282	// LIR_Op1
duke@435	1283	// --------------------------------------------------
duke@435	1284
duke@435	1285	class LIR_Op1: public LIR_Op {
duke@435	1286	friend class LIR_OpVisitState;
duke@435	1287
duke@435	1288	protected:
duke@435	1289	LIR_Opr _opr; // input operand
duke@435	1290	BasicType _type; // Operand types
duke@435	1291	LIR_PatchCode _patch; // only required with patchin (NEEDS_CLEANUP: do we want a special instruction for patching?)
duke@435	1292
duke@435	1293	static void print_patch_code(outputStream* out, LIR_PatchCode code);
duke@435	1294
duke@435	1295	void set_kind(LIR_MoveKind kind) {
duke@435	1296	assert(code() == lir_move, "must be");
duke@435	1297	_flags = kind;
duke@435	1298	}
duke@435	1299
duke@435	1300	public:
duke@435	1301	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	1302	: LIR_Op(code, result, info)
duke@435	1303	, _opr(opr)
duke@435	1304	, _patch(patch)
duke@435	1305	, _type(type) { assert(is_in_range(code, begin_op1, end_op1), "code check"); }
duke@435	1306
duke@435	1307	LIR_Op1(LIR_Code code, LIR_Opr opr, LIR_Opr result, BasicType type, LIR_PatchCode patch, CodeEmitInfo* info, LIR_MoveKind kind)
duke@435	1308	: LIR_Op(code, result, info)
duke@435	1309	, _opr(opr)
duke@435	1310	, _patch(patch)
duke@435	1311	, _type(type) {
duke@435	1312	assert(code == lir_move, "must be");
duke@435	1313	set_kind(kind);
duke@435	1314	}
duke@435	1315
duke@435	1316	LIR_Op1(LIR_Code code, LIR_Opr opr, CodeEmitInfo* info)
duke@435	1317	: LIR_Op(code, LIR_OprFact::illegalOpr, info)
duke@435	1318	, _opr(opr)
duke@435	1319	, _patch(lir_patch_none)
duke@435	1320	, _type(T_ILLEGAL) { assert(is_in_range(code, begin_op1, end_op1), "code check"); }
duke@435	1321
duke@435	1322	LIR_Opr in_opr() const { return _opr; }
duke@435	1323	LIR_PatchCode patch_code() const { return _patch; }
duke@435	1324	BasicType type() const { return _type; }
duke@435	1325
duke@435	1326	LIR_MoveKind move_kind() const {
duke@435	1327	assert(code() == lir_move, "must be");
duke@435	1328	return (LIR_MoveKind)_flags;
duke@435	1329	}
duke@435	1330
duke@435	1331	virtual void emit_code(LIR_Assembler* masm);
duke@435	1332	virtual LIR_Op1* as_Op1() { return this; }
duke@435	1333	virtual const char * name() const PRODUCT_RETURN0;
duke@435	1334
duke@435	1335	void set_in_opr(LIR_Opr opr) { _opr = opr; }
duke@435	1336
duke@435	1337	virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1338	virtual void verify() const;
duke@435	1339	};
duke@435	1340
duke@435	1341
duke@435	1342	// for runtime calls
duke@435	1343	class LIR_OpRTCall: public LIR_OpCall {
duke@435	1344	friend class LIR_OpVisitState;
duke@435	1345
duke@435	1346	private:
duke@435	1347	LIR_Opr _tmp;
duke@435	1348	public:
duke@435	1349	LIR_OpRTCall(address addr, LIR_Opr tmp,
duke@435	1350	LIR_Opr result, LIR_OprList* arguments, CodeEmitInfo* info = NULL)
duke@435	1351	: LIR_OpCall(lir_rtcall, addr, result, arguments, info)
duke@435	1352	, _tmp(tmp) {}
duke@435	1353
duke@435	1354	virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1355	virtual void emit_code(LIR_Assembler* masm);
duke@435	1356	virtual LIR_OpRTCall* as_OpRTCall() { return this; }
duke@435	1357
duke@435	1358	LIR_Opr tmp() const { return _tmp; }
duke@435	1359
duke@435	1360	virtual void verify() const;
duke@435	1361	};
duke@435	1362
duke@435	1363
duke@435	1364	class LIR_OpBranch: public LIR_Op {
duke@435	1365	friend class LIR_OpVisitState;
duke@435	1366
duke@435	1367	private:
duke@435	1368	LIR_Condition _cond;
duke@435	1369	BasicType _type;
duke@435	1370	Label* _label;
duke@435	1371	BlockBegin* _block; // if this is a branch to a block, this is the block
duke@435	1372	BlockBegin* _ublock; // if this is a float-branch, this is the unorderd block
duke@435	1373	CodeStub* _stub; // if this is a branch to a stub, this is the stub
duke@435	1374
duke@435	1375	public:
iveresov@3443	1376	LIR_OpBranch(LIR_Condition cond, BasicType type, Label* lbl)
duke@435	1377	: LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*) NULL)
duke@435	1378	, _cond(cond)
iveresov@3443	1379	, _type(type)
duke@435	1380	, _label(lbl)
duke@435	1381	, _block(NULL)
duke@435	1382	, _ublock(NULL)
duke@435	1383	, _stub(NULL) { }
duke@435	1384
duke@435	1385	LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block);
duke@435	1386	LIR_OpBranch(LIR_Condition cond, BasicType type, CodeStub* stub);
duke@435	1387
duke@435	1388	// for unordered comparisons
duke@435	1389	LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block, BlockBegin* ublock);
duke@435	1390
duke@435	1391	LIR_Condition cond() const { return _cond; }
duke@435	1392	BasicType type() const { return _type; }
duke@435	1393	Label* label() const { return _label; }
duke@435	1394	BlockBegin* block() const { return _block; }
duke@435	1395	BlockBegin* ublock() const { return _ublock; }
duke@435	1396	CodeStub* stub() const { return _stub; }
duke@435	1397
duke@435	1398	void change_block(BlockBegin* b);
duke@435	1399	void change_ublock(BlockBegin* b);
duke@435	1400	void negate_cond();
duke@435	1401
duke@435	1402	virtual void emit_code(LIR_Assembler* masm);
duke@435	1403	virtual LIR_OpBranch* as_OpBranch() { return this; }
duke@435	1404	virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1405	};
duke@435	1406
duke@435	1407
duke@435	1408	class ConversionStub;
duke@435	1409
duke@435	1410	class LIR_OpConvert: public LIR_Op1 {
duke@435	1411	friend class LIR_OpVisitState;
duke@435	1412
duke@435	1413	private:
duke@435	1414	Bytecodes::Code _bytecode;
duke@435	1415	ConversionStub* _stub;
bobv@2036	1416	#ifdef PPC
bobv@2036	1417	LIR_Opr _tmp1;
bobv@2036	1418	LIR_Opr _tmp2;
bobv@2036	1419	#endif
duke@435	1420
duke@435	1421	public:
duke@435	1422	LIR_OpConvert(Bytecodes::Code code, LIR_Opr opr, LIR_Opr result, ConversionStub* stub)
duke@435	1423	: LIR_Op1(lir_convert, opr, result)
duke@435	1424	, _stub(stub)
bobv@2036	1425	#ifdef PPC
bobv@2036	1426	, _tmp1(LIR_OprDesc::illegalOpr())
bobv@2036	1427	, _tmp2(LIR_OprDesc::illegalOpr())
bobv@2036	1428	#endif
duke@435	1429	, _bytecode(code) {}
duke@435	1430
bobv@2036	1431	#ifdef PPC
bobv@2036	1432	LIR_OpConvert(Bytecodes::Code code, LIR_Opr opr, LIR_Opr result, ConversionStub* stub
bobv@2036	1433	,LIR_Opr tmp1, LIR_Opr tmp2)
bobv@2036	1434	: LIR_Op1(lir_convert, opr, result)
bobv@2036	1435	, _stub(stub)
bobv@2036	1436	, _tmp1(tmp1)
bobv@2036	1437	, _tmp2(tmp2)
bobv@2036	1438	, _bytecode(code) {}
bobv@2036	1439	#endif
bobv@2036	1440
duke@435	1441	Bytecodes::Code bytecode() const { return _bytecode; }
duke@435	1442	ConversionStub* stub() const { return _stub; }
bobv@2036	1443	#ifdef PPC
bobv@2036	1444	LIR_Opr tmp1() const { return _tmp1; }
bobv@2036	1445	LIR_Opr tmp2() const { return _tmp2; }
bobv@2036	1446	#endif
duke@435	1447
duke@435	1448	virtual void emit_code(LIR_Assembler* masm);
duke@435	1449	virtual LIR_OpConvert* as_OpConvert() { return this; }
duke@435	1450	virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1451
duke@435	1452	static void print_bytecode(outputStream* out, Bytecodes::Code code) PRODUCT_RETURN;
duke@435	1453	};
duke@435	1454
duke@435	1455
duke@435	1456	// LIR_OpAllocObj
duke@435	1457	class LIR_OpAllocObj : public LIR_Op1 {
duke@435	1458	friend class LIR_OpVisitState;
duke@435	1459
duke@435	1460	private:
duke@435	1461	LIR_Opr _tmp1;
duke@435	1462	LIR_Opr _tmp2;
duke@435	1463	LIR_Opr _tmp3;
duke@435	1464	LIR_Opr _tmp4;
duke@435	1465	int _hdr_size;
duke@435	1466	int _obj_size;
duke@435	1467	CodeStub* _stub;
duke@435	1468	bool _init_check;
duke@435	1469
duke@435	1470	public:
duke@435	1471	LIR_OpAllocObj(LIR_Opr klass, LIR_Opr result,
duke@435	1472	LIR_Opr t1, LIR_Opr t2, LIR_Opr t3, LIR_Opr t4,
duke@435	1473	int hdr_size, int obj_size, bool init_check, CodeStub* stub)
duke@435	1474	: LIR_Op1(lir_alloc_object, klass, result)
duke@435	1475	, _tmp1(t1)
duke@435	1476	, _tmp2(t2)
duke@435	1477	, _tmp3(t3)
duke@435	1478	, _tmp4(t4)
duke@435	1479	, _hdr_size(hdr_size)
duke@435	1480	, _obj_size(obj_size)
duke@435	1481	, _init_check(init_check)
duke@435	1482	, _stub(stub) { }
duke@435	1483
duke@435	1484	LIR_Opr klass() const { return in_opr(); }
duke@435	1485	LIR_Opr obj() const { return result_opr(); }
duke@435	1486	LIR_Opr tmp1() const { return _tmp1; }
duke@435	1487	LIR_Opr tmp2() const { return _tmp2; }
duke@435	1488	LIR_Opr tmp3() const { return _tmp3; }
duke@435	1489	LIR_Opr tmp4() const { return _tmp4; }
duke@435	1490	int header_size() const { return _hdr_size; }
duke@435	1491	int object_size() const { return _obj_size; }
duke@435	1492	bool init_check() const { return _init_check; }
duke@435	1493	CodeStub* stub() const { return _stub; }
duke@435	1494
duke@435	1495	virtual void emit_code(LIR_Assembler* masm);
duke@435	1496	virtual LIR_OpAllocObj * as_OpAllocObj () { return this; }
duke@435	1497	virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1498	};
duke@435	1499
duke@435	1500
duke@435	1501	// LIR_OpRoundFP
duke@435	1502	class LIR_OpRoundFP : public LIR_Op1 {
duke@435	1503	friend class LIR_OpVisitState;
duke@435	1504
duke@435	1505	private:
duke@435	1506	LIR_Opr _tmp;
duke@435	1507
duke@435	1508	public:
duke@435	1509	LIR_OpRoundFP(LIR_Opr reg, LIR_Opr stack_loc_temp, LIR_Opr result)
duke@435	1510	: LIR_Op1(lir_roundfp, reg, result)
duke@435	1511	, _tmp(stack_loc_temp) {}
duke@435	1512
duke@435	1513	LIR_Opr tmp() const { return _tmp; }
duke@435	1514	virtual LIR_OpRoundFP* as_OpRoundFP() { return this; }
duke@435	1515	void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1516	};
duke@435	1517
duke@435	1518	// LIR_OpTypeCheck
duke@435	1519	class LIR_OpTypeCheck: public LIR_Op {
duke@435	1520	friend class LIR_OpVisitState;
duke@435	1521
duke@435	1522	private:
duke@435	1523	LIR_Opr _object;
duke@435	1524	LIR_Opr _array;
duke@435	1525	ciKlass* _klass;
duke@435	1526	LIR_Opr _tmp1;
duke@435	1527	LIR_Opr _tmp2;
duke@435	1528	LIR_Opr _tmp3;
duke@435	1529	bool _fast_check;
duke@435	1530	CodeEmitInfo* _info_for_patch;
duke@435	1531	CodeEmitInfo* _info_for_exception;
duke@435	1532	CodeStub* _stub;
duke@435	1533	ciMethod* _profiled_method;
duke@435	1534	int _profiled_bci;
iveresov@2138	1535	bool _should_profile;
duke@435	1536
duke@435	1537	public:
duke@435	1538	LIR_OpTypeCheck(LIR_Code code, LIR_Opr result, LIR_Opr object, ciKlass* klass,
duke@435	1539	LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check,
iveresov@2138	1540	CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub);
duke@435	1541	LIR_OpTypeCheck(LIR_Code code, LIR_Opr object, LIR_Opr array,
iveresov@2138	1542	LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, CodeEmitInfo* info_for_exception);
duke@435	1543
duke@435	1544	LIR_Opr object() const { return _object; }
duke@435	1545	LIR_Opr array() const { assert(code() == lir_store_check, "not valid"); return _array; }
duke@435	1546	LIR_Opr tmp1() const { return _tmp1; }
duke@435	1547	LIR_Opr tmp2() const { return _tmp2; }
duke@435	1548	LIR_Opr tmp3() const { return _tmp3; }
duke@435	1549	ciKlass* klass() const { assert(code() == lir_instanceof || code() == lir_checkcast, "not valid"); return _klass; }
duke@435	1550	bool fast_check() const { assert(code() == lir_instanceof || code() == lir_checkcast, "not valid"); return _fast_check; }
duke@435	1551	CodeEmitInfo* info_for_patch() const { return _info_for_patch; }
duke@435	1552	CodeEmitInfo* info_for_exception() const { return _info_for_exception; }
duke@435	1553	CodeStub* stub() const { return _stub; }
duke@435	1554
coleenp@4037	1555	// MethodData* profiling
iveresov@2138	1556	void set_profiled_method(ciMethod *method) { _profiled_method = method; }
iveresov@2138	1557	void set_profiled_bci(int bci) { _profiled_bci = bci; }
iveresov@2138	1558	void set_should_profile(bool b) { _should_profile = b; }
iveresov@2138	1559	ciMethod* profiled_method() const { return _profiled_method; }
iveresov@2138	1560	int profiled_bci() const { return _profiled_bci; }
iveresov@2138	1561	bool should_profile() const { return _should_profile; }
duke@435	1562
duke@435	1563	virtual void emit_code(LIR_Assembler* masm);
duke@435	1564	virtual LIR_OpTypeCheck* as_OpTypeCheck() { return this; }
duke@435	1565	void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1566	};
duke@435	1567
duke@435	1568	// LIR_Op2
duke@435	1569	class LIR_Op2: public LIR_Op {
duke@435	1570	friend class LIR_OpVisitState;
duke@435	1571
duke@435	1572	int _fpu_stack_size; // for sin/cos implementation on Intel
duke@435	1573
duke@435	1574	protected:
duke@435	1575	LIR_Opr _opr1;
duke@435	1576	LIR_Opr _opr2;
duke@435	1577	BasicType _type;
roland@3787	1578	LIR_Opr _tmp1;
roland@3787	1579	LIR_Opr _tmp2;
roland@3787	1580	LIR_Opr _tmp3;
roland@3787	1581	LIR_Opr _tmp4;
roland@3787	1582	LIR_Opr _tmp5;
duke@435	1583	LIR_Condition _condition;
duke@435	1584
duke@435	1585	void verify() const;
duke@435	1586
duke@435	1587	public:
duke@435	1588	LIR_Op2(LIR_Code code, LIR_Condition condition, LIR_Opr opr1, LIR_Opr opr2, CodeEmitInfo* info = NULL)
duke@435	1589	: LIR_Op(code, LIR_OprFact::illegalOpr, info)
duke@435	1590	, _opr1(opr1)
duke@435	1591	, _opr2(opr2)
duke@435	1592	, _type(T_ILLEGAL)
duke@435	1593	, _condition(condition)
duke@435	1594	, _fpu_stack_size(0)
roland@3787	1595	, _tmp1(LIR_OprFact::illegalOpr)
roland@3787	1596	, _tmp2(LIR_OprFact::illegalOpr)
roland@3787	1597	, _tmp3(LIR_OprFact::illegalOpr)
roland@3787	1598	, _tmp4(LIR_OprFact::illegalOpr)
roland@3787	1599	, _tmp5(LIR_OprFact::illegalOpr) {
duke@435	1600	assert(code == lir_cmp, "code check");
duke@435	1601	}
duke@435	1602
iveresov@2412	1603	LIR_Op2(LIR_Code code, LIR_Condition condition, LIR_Opr opr1, LIR_Opr opr2, LIR_Opr result, BasicType type)
duke@435	1604	: LIR_Op(code, result, NULL)
duke@435	1605	, _opr1(opr1)
duke@435	1606	, _opr2(opr2)
iveresov@2412	1607	, _type(type)
duke@435	1608	, _condition(condition)
duke@435	1609	, _fpu_stack_size(0)
roland@3787	1610	, _tmp1(LIR_OprFact::illegalOpr)
roland@3787	1611	, _tmp2(LIR_OprFact::illegalOpr)
roland@3787	1612	, _tmp3(LIR_OprFact::illegalOpr)
roland@3787	1613	, _tmp4(LIR_OprFact::illegalOpr)
roland@3787	1614	, _tmp5(LIR_OprFact::illegalOpr) {
duke@435	1615	assert(code == lir_cmove, "code check");
iveresov@2412	1616	assert(type != T_ILLEGAL, "cmove should have type");
duke@435	1617	}
duke@435	1618
duke@435	1619	LIR_Op2(LIR_Code code, LIR_Opr opr1, LIR_Opr opr2, LIR_Opr result = LIR_OprFact::illegalOpr,
duke@435	1620	CodeEmitInfo* info = NULL, BasicType type = T_ILLEGAL)
duke@435	1621	: LIR_Op(code, result, info)
duke@435	1622	, _opr1(opr1)
duke@435	1623	, _opr2(opr2)
duke@435	1624	, _type(type)
duke@435	1625	, _condition(lir_cond_unknown)
duke@435	1626	, _fpu_stack_size(0)
roland@3787	1627	, _tmp1(LIR_OprFact::illegalOpr)
roland@3787	1628	, _tmp2(LIR_OprFact::illegalOpr)
roland@3787	1629	, _tmp3(LIR_OprFact::illegalOpr)
roland@3787	1630	, _tmp4(LIR_OprFact::illegalOpr)
roland@3787	1631	, _tmp5(LIR_OprFact::illegalOpr) {
duke@435	1632	assert(code != lir_cmp && is_in_range(code, begin_op2, end_op2), "code check");
duke@435	1633	}
duke@435	1634
roland@3787	1635	LIR_Op2(LIR_Code code, LIR_Opr opr1, LIR_Opr opr2, LIR_Opr result, LIR_Opr tmp1, LIR_Opr tmp2 = LIR_OprFact::illegalOpr,
roland@3787	1636	LIR_Opr tmp3 = LIR_OprFact::illegalOpr, LIR_Opr tmp4 = LIR_OprFact::illegalOpr, LIR_Opr tmp5 = LIR_OprFact::illegalOpr)
duke@435	1637	: LIR_Op(code, result, NULL)
duke@435	1638	, _opr1(opr1)
duke@435	1639	, _opr2(opr2)
duke@435	1640	, _type(T_ILLEGAL)
duke@435	1641	, _condition(lir_cond_unknown)
duke@435	1642	, _fpu_stack_size(0)
roland@3787	1643	, _tmp1(tmp1)
roland@3787	1644	, _tmp2(tmp2)
roland@3787	1645	, _tmp3(tmp3)
roland@3787	1646	, _tmp4(tmp4)
roland@3787	1647	, _tmp5(tmp5) {
duke@435	1648	assert(code != lir_cmp && is_in_range(code, begin_op2, end_op2), "code check");
duke@435	1649	}
duke@435	1650
duke@435	1651	LIR_Opr in_opr1() const { return _opr1; }
duke@435	1652	LIR_Opr in_opr2() const { return _opr2; }
duke@435	1653	BasicType type() const { return _type; }
roland@3787	1654	LIR_Opr tmp1_opr() const { return _tmp1; }
roland@3787	1655	LIR_Opr tmp2_opr() const { return _tmp2; }
roland@3787	1656	LIR_Opr tmp3_opr() const { return _tmp3; }
roland@3787	1657	LIR_Opr tmp4_opr() const { return _tmp4; }
roland@3787	1658	LIR_Opr tmp5_opr() const { return _tmp5; }
duke@435	1659	LIR_Condition condition() const {
duke@435	1660	assert(code() == lir_cmp || code() == lir_cmove, "only valid for cmp and cmove"); return _condition;
duke@435	1661	}
bobv@2036	1662	void set_condition(LIR_Condition condition) {
bobv@2036	1663	assert(code() == lir_cmp || code() == lir_cmove, "only valid for cmp and cmove"); _condition = condition;
bobv@2036	1664	}
duke@435	1665
duke@435	1666	void set_fpu_stack_size(int size) { _fpu_stack_size = size; }
duke@435	1667	int fpu_stack_size() const { return _fpu_stack_size; }
duke@435	1668
duke@435	1669	void set_in_opr1(LIR_Opr opr) { _opr1 = opr; }
duke@435	1670	void set_in_opr2(LIR_Opr opr) { _opr2 = opr; }
duke@435	1671
duke@435	1672	virtual void emit_code(LIR_Assembler* masm);
duke@435	1673	virtual LIR_Op2* as_Op2() { return this; }
duke@435	1674	virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1675	};
duke@435	1676
duke@435	1677	class LIR_OpAllocArray : public LIR_Op {
duke@435	1678	friend class LIR_OpVisitState;
duke@435	1679
duke@435	1680	private:
duke@435	1681	LIR_Opr _klass;
duke@435	1682	LIR_Opr _len;
duke@435	1683	LIR_Opr _tmp1;
duke@435	1684	LIR_Opr _tmp2;
duke@435	1685	LIR_Opr _tmp3;
duke@435	1686	LIR_Opr _tmp4;
duke@435	1687	BasicType _type;
duke@435	1688	CodeStub* _stub;
duke@435	1689
duke@435	1690	public:
duke@435	1691	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	1692	: LIR_Op(lir_alloc_array, result, NULL)
duke@435	1693	, _klass(klass)
duke@435	1694	, _len(len)
duke@435	1695	, _tmp1(t1)
duke@435	1696	, _tmp2(t2)
duke@435	1697	, _tmp3(t3)
duke@435	1698	, _tmp4(t4)
duke@435	1699	, _type(type)
duke@435	1700	, _stub(stub) {}
duke@435	1701
duke@435	1702	LIR_Opr klass() const { return _klass; }
duke@435	1703	LIR_Opr len() const { return _len; }
duke@435	1704	LIR_Opr obj() const { return result_opr(); }
duke@435	1705	LIR_Opr tmp1() const { return _tmp1; }
duke@435	1706	LIR_Opr tmp2() const { return _tmp2; }
duke@435	1707	LIR_Opr tmp3() const { return _tmp3; }
duke@435	1708	LIR_Opr tmp4() const { return _tmp4; }
duke@435	1709	BasicType type() const { return _type; }
duke@435	1710	CodeStub* stub() const { return _stub; }
duke@435	1711
duke@435	1712	virtual void emit_code(LIR_Assembler* masm);
duke@435	1713	virtual LIR_OpAllocArray * as_OpAllocArray () { return this; }
duke@435	1714	virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1715	};
duke@435	1716
duke@435	1717
duke@435	1718	class LIR_Op3: public LIR_Op {
duke@435	1719	friend class LIR_OpVisitState;
duke@435	1720
duke@435	1721	private:
duke@435	1722	LIR_Opr _opr1;
duke@435	1723	LIR_Opr _opr2;
duke@435	1724	LIR_Opr _opr3;
duke@435	1725	public:
duke@435	1726	LIR_Op3(LIR_Code code, LIR_Opr opr1, LIR_Opr opr2, LIR_Opr opr3, LIR_Opr result, CodeEmitInfo* info = NULL)
duke@435	1727	: LIR_Op(code, result, info)
duke@435	1728	, _opr1(opr1)
duke@435	1729	, _opr2(opr2)
duke@435	1730	, _opr3(opr3) { assert(is_in_range(code, begin_op3, end_op3), "code check"); }
duke@435	1731	LIR_Opr in_opr1() const { return _opr1; }
duke@435	1732	LIR_Opr in_opr2() const { return _opr2; }
duke@435	1733	LIR_Opr in_opr3() const { return _opr3; }
duke@435	1734
duke@435	1735	virtual void emit_code(LIR_Assembler* masm);
duke@435	1736	virtual LIR_Op3* as_Op3() { return this; }
duke@435	1737	virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1738	};
duke@435	1739
duke@435	1740
duke@435	1741	//--------------------------------
duke@435	1742	class LabelObj: public CompilationResourceObj {
duke@435	1743	private:
duke@435	1744	Label _label;
duke@435	1745	public:
duke@435	1746	LabelObj() {}
duke@435	1747	Label* label() { return &_label; }
duke@435	1748	};
duke@435	1749
duke@435	1750
duke@435	1751	class LIR_OpLock: public LIR_Op {
duke@435	1752	friend class LIR_OpVisitState;
duke@435	1753
duke@435	1754	private:
duke@435	1755	LIR_Opr _hdr;
duke@435	1756	LIR_Opr _obj;
duke@435	1757	LIR_Opr _lock;
duke@435	1758	LIR_Opr _scratch;
duke@435	1759	CodeStub* _stub;
duke@435	1760	public:
duke@435	1761	LIR_OpLock(LIR_Code code, LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub, CodeEmitInfo* info)
duke@435	1762	: LIR_Op(code, LIR_OprFact::illegalOpr, info)
duke@435	1763	, _hdr(hdr)
duke@435	1764	, _obj(obj)
duke@435	1765	, _lock(lock)
duke@435	1766	, _scratch(scratch)
duke@435	1767	, _stub(stub) {}
duke@435	1768
duke@435	1769	LIR_Opr hdr_opr() const { return _hdr; }
duke@435	1770	LIR_Opr obj_opr() const { return _obj; }
duke@435	1771	LIR_Opr lock_opr() const { return _lock; }
duke@435	1772	LIR_Opr scratch_opr() const { return _scratch; }
duke@435	1773	CodeStub* stub() const { return _stub; }
duke@435	1774
duke@435	1775	virtual void emit_code(LIR_Assembler* masm);
duke@435	1776	virtual LIR_OpLock* as_OpLock() { return this; }
duke@435	1777	void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1778	};
duke@435	1779
duke@435	1780
duke@435	1781	class LIR_OpDelay: public LIR_Op {
duke@435	1782	friend class LIR_OpVisitState;
duke@435	1783
duke@435	1784	private:
duke@435	1785	LIR_Op* _op;
duke@435	1786
duke@435	1787	public:
duke@435	1788	LIR_OpDelay(LIR_Op* op, CodeEmitInfo* info):
duke@435	1789	LIR_Op(lir_delay_slot, LIR_OprFact::illegalOpr, info),
duke@435	1790	_op(op) {
duke@435	1791	assert(op->code() == lir_nop || LIRFillDelaySlots, "should be filling with nops");
duke@435	1792	}
duke@435	1793	virtual void emit_code(LIR_Assembler* masm);
duke@435	1794	virtual LIR_OpDelay* as_OpDelay() { return this; }
duke@435	1795	void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1796	LIR_Op* delay_op() const { return _op; }
duke@435	1797	CodeEmitInfo* call_info() const { return info(); }
duke@435	1798	};
duke@435	1799
duke@435	1800
duke@435	1801	// LIR_OpCompareAndSwap
duke@435	1802	class LIR_OpCompareAndSwap : public LIR_Op {
duke@435	1803	friend class LIR_OpVisitState;
duke@435	1804
duke@435	1805	private:
duke@435	1806	LIR_Opr _addr;
duke@435	1807	LIR_Opr _cmp_value;
duke@435	1808	LIR_Opr _new_value;
duke@435	1809	LIR_Opr _tmp1;
duke@435	1810	LIR_Opr _tmp2;
duke@435	1811
duke@435	1812	public:
bobv@2036	1813	LIR_OpCompareAndSwap(LIR_Code code, LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
bobv@2036	1814	LIR_Opr t1, LIR_Opr t2, LIR_Opr result)
bobv@2036	1815	: LIR_Op(code, result, NULL) // no result, no info
duke@435	1816	, _addr(addr)
duke@435	1817	, _cmp_value(cmp_value)
duke@435	1818	, _new_value(new_value)
duke@435	1819	, _tmp1(t1)
duke@435	1820	, _tmp2(t2) { }
duke@435	1821
duke@435	1822	LIR_Opr addr() const { return _addr; }
duke@435	1823	LIR_Opr cmp_value() const { return _cmp_value; }
duke@435	1824	LIR_Opr new_value() const { return _new_value; }
duke@435	1825	LIR_Opr tmp1() const { return _tmp1; }
duke@435	1826	LIR_Opr tmp2() const { return _tmp2; }
duke@435	1827
duke@435	1828	virtual void emit_code(LIR_Assembler* masm);
duke@435	1829	virtual LIR_OpCompareAndSwap * as_OpCompareAndSwap () { return this; }
duke@435	1830	virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1831	};
duke@435	1832
duke@435	1833	// LIR_OpProfileCall
duke@435	1834	class LIR_OpProfileCall : public LIR_Op {
duke@435	1835	friend class LIR_OpVisitState;
duke@435	1836
duke@435	1837	private:
duke@435	1838	ciMethod* _profiled_method;
twisti@3969	1839	int _profiled_bci;
twisti@3969	1840	ciMethod* _profiled_callee;
twisti@3969	1841	LIR_Opr _mdo;
twisti@3969	1842	LIR_Opr _recv;
twisti@3969	1843	LIR_Opr _tmp1;
twisti@3969	1844	ciKlass* _known_holder;
duke@435	1845
duke@435	1846	public:
duke@435	1847	// Destroys recv
twisti@3969	1848	LIR_OpProfileCall(LIR_Code code, ciMethod* profiled_method, int profiled_bci, ciMethod* profiled_callee, LIR_Opr mdo, LIR_Opr recv, LIR_Opr t1, ciKlass* known_holder)
duke@435	1849	: LIR_Op(code, LIR_OprFact::illegalOpr, NULL) // no result, no info
duke@435	1850	, _profiled_method(profiled_method)
duke@435	1851	, _profiled_bci(profiled_bci)
twisti@3969	1852	, _profiled_callee(profiled_callee)
duke@435	1853	, _mdo(mdo)
duke@435	1854	, _recv(recv)
duke@435	1855	, _tmp1(t1)
duke@435	1856	, _known_holder(known_holder) { }
duke@435	1857
duke@435	1858	ciMethod* profiled_method() const { return _profiled_method; }
duke@435	1859	int profiled_bci() const { return _profiled_bci; }
twisti@3969	1860	ciMethod* profiled_callee() const { return _profiled_callee; }
duke@435	1861	LIR_Opr mdo() const { return _mdo; }
duke@435	1862	LIR_Opr recv() const { return _recv; }
duke@435	1863	LIR_Opr tmp1() const { return _tmp1; }
duke@435	1864	ciKlass* known_holder() const { return _known_holder; }
duke@435	1865
duke@435	1866	virtual void emit_code(LIR_Assembler* masm);
duke@435	1867	virtual LIR_OpProfileCall* as_OpProfileCall() { return this; }
duke@435	1868	virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
duke@435	1869	};
duke@435	1870
duke@435	1871	class LIR_InsertionBuffer;
duke@435	1872
duke@435	1873	//--------------------------------LIR_List---------------------------------------------------
duke@435	1874	// Maintains a list of LIR instructions (one instance of LIR_List per basic block)
duke@435	1875	// The LIR instructions are appended by the LIR_List class itself;
duke@435	1876	//
duke@435	1877	// Notes:
duke@435	1878	// - all offsets are(should be) in bytes
duke@435	1879	// - local positions are specified with an offset, with offset 0 being local 0
duke@435	1880
duke@435	1881	class LIR_List: public CompilationResourceObj {
duke@435	1882	private:
duke@435	1883	LIR_OpList _operations;
duke@435	1884
duke@435	1885	Compilation* _compilation;
duke@435	1886	#ifndef PRODUCT
duke@435	1887	BlockBegin* _block;
duke@435	1888	#endif
duke@435	1889	#ifdef ASSERT
duke@435	1890	const char * _file;
duke@435	1891	int _line;
duke@435	1892	#endif
duke@435	1893
duke@435	1894	void append(LIR_Op* op) {
duke@435	1895	if (op->source() == NULL)
duke@435	1896	op->set_source(_compilation->current_instruction());
duke@435	1897	#ifndef PRODUCT
duke@435	1898	if (PrintIRWithLIR) {
duke@435	1899	_compilation->maybe_print_current_instruction();
duke@435	1900	op->print(); tty->cr();
duke@435	1901	}
duke@435	1902	#endif // PRODUCT
duke@435	1903
duke@435	1904	_operations.append(op);
duke@435	1905
duke@435	1906	#ifdef ASSERT
duke@435	1907	op->verify();
duke@435	1908	op->set_file_and_line(_file, _line);
duke@435	1909	_file = NULL;
duke@435	1910	_line = 0;
duke@435	1911	#endif
duke@435	1912	}
duke@435	1913
duke@435	1914	public:
duke@435	1915	LIR_List(Compilation* compilation, BlockBegin* block = NULL);
duke@435	1916
duke@435	1917	#ifdef ASSERT
duke@435	1918	void set_file_and_line(const char * file, int line);
duke@435	1919	#endif
duke@435	1920
duke@435	1921	//---------- accessors ---------------
duke@435	1922	LIR_OpList* instructions_list() { return &_operations; }
duke@435	1923	int length() const { return _operations.length(); }
duke@435	1924	LIR_Op* at(int i) const { return _operations.at(i); }
duke@435	1925
duke@435	1926	NOT_PRODUCT(BlockBegin* block() const { return _block; });
duke@435	1927
duke@435	1928	// insert LIR_Ops in buffer to right places in LIR_List
duke@435	1929	void append(LIR_InsertionBuffer* buffer);
duke@435	1930
duke@435	1931	//---------- mutators ---------------
duke@435	1932	void insert_before(int i, LIR_List* op_list) { _operations.insert_before(i, op_list->instructions_list()); }
duke@435	1933	void insert_before(int i, LIR_Op* op) { _operations.insert_before(i, op); }
iveresov@2138	1934	void remove_at(int i) { _operations.remove_at(i); }
duke@435	1935
duke@435	1936	//---------- printing -------------
duke@435	1937	void print_instructions() PRODUCT_RETURN;
duke@435	1938
duke@435	1939
duke@435	1940	//---------- instructions -------------
duke@435	1941	void call_opt_virtual(ciMethod* method, LIR_Opr receiver, LIR_Opr result,
duke@435	1942	address dest, LIR_OprList* arguments,
duke@435	1943	CodeEmitInfo* info) {
duke@435	1944	append(new LIR_OpJavaCall(lir_optvirtual_call, method, receiver, result, dest, arguments, info));
duke@435	1945	}
duke@435	1946	void call_static(ciMethod* method, LIR_Opr result,
duke@435	1947	address dest, LIR_OprList* arguments, CodeEmitInfo* info) {
duke@435	1948	append(new LIR_OpJavaCall(lir_static_call, method, LIR_OprFact::illegalOpr, result, dest, arguments, info));
duke@435	1949	}
duke@435	1950	void call_icvirtual(ciMethod* method, LIR_Opr receiver, LIR_Opr result,
duke@435	1951	address dest, LIR_OprList* arguments, CodeEmitInfo* info) {
duke@435	1952	append(new LIR_OpJavaCall(lir_icvirtual_call, method, receiver, result, dest, arguments, info));
duke@435	1953	}
duke@435	1954	void call_virtual(ciMethod* method, LIR_Opr receiver, LIR_Opr result,
duke@435	1955	intptr_t vtable_offset, LIR_OprList* arguments, CodeEmitInfo* info) {
duke@435	1956	append(new LIR_OpJavaCall(lir_virtual_call, method, receiver, result, vtable_offset, arguments, info));
duke@435	1957	}
twisti@1730	1958	void call_dynamic(ciMethod* method, LIR_Opr receiver, LIR_Opr result,
twisti@1730	1959	address dest, LIR_OprList* arguments, CodeEmitInfo* info) {
twisti@1730	1960	append(new LIR_OpJavaCall(lir_dynamic_call, method, receiver, result, dest, arguments, info));
twisti@1730	1961	}
duke@435	1962
duke@435	1963	void get_thread(LIR_Opr result) { append(new LIR_Op0(lir_get_thread, result)); }
duke@435	1964	void word_align() { append(new LIR_Op0(lir_word_align)); }
duke@435	1965	void membar() { append(new LIR_Op0(lir_membar)); }
duke@435	1966	void membar_acquire() { append(new LIR_Op0(lir_membar_acquire)); }
duke@435	1967	void membar_release() { append(new LIR_Op0(lir_membar_release)); }
jiangli@3592	1968	void membar_loadload() { append(new LIR_Op0(lir_membar_loadload)); }
jiangli@3592	1969	void membar_storestore() { append(new LIR_Op0(lir_membar_storestore)); }
jiangli@3592	1970	void membar_loadstore() { append(new LIR_Op0(lir_membar_loadstore)); }
jiangli@3592	1971	void membar_storeload() { append(new LIR_Op0(lir_membar_storeload)); }
duke@435	1972
duke@435	1973	void nop() { append(new LIR_Op0(lir_nop)); }
duke@435	1974	void build_frame() { append(new LIR_Op0(lir_build_frame)); }
duke@435	1975
duke@435	1976	void std_entry(LIR_Opr receiver) { append(new LIR_Op0(lir_std_entry, receiver)); }
duke@435	1977	void osr_entry(LIR_Opr osrPointer) { append(new LIR_Op0(lir_osr_entry, osrPointer)); }
duke@435	1978
duke@435	1979	void branch_destination(Label* lbl) { append(new LIR_OpLabel(lbl)); }
duke@435	1980
duke@435	1981	void negate(LIR_Opr from, LIR_Opr to) { append(new LIR_Op1(lir_neg, from, to)); }
duke@435	1982	void leal(LIR_Opr from, LIR_Opr result_reg) { append(new LIR_Op1(lir_leal, from, result_reg)); }
duke@435	1983
duke@435	1984	// result is a stack location for old backend and vreg for UseLinearScan
duke@435	1985	// stack_loc_temp is an illegal register for old backend
duke@435	1986	void roundfp(LIR_Opr reg, LIR_Opr stack_loc_temp, LIR_Opr result) { append(new LIR_OpRoundFP(reg, stack_loc_temp, result)); }
duke@435	1987	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	1988	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	1989	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	1990	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	1991	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	1992	void move(LIR_Opr src, LIR_Address* dst, CodeEmitInfo* info = NULL) { append(new LIR_Op1(lir_move, src, LIR_OprFact::address(dst), dst->type(), lir_patch_none, info)); }
iveresov@2344	1993	void move_wide(LIR_Address* src, LIR_Opr dst, CodeEmitInfo* info = NULL) {
iveresov@2344	1994	if (UseCompressedOops) {
iveresov@2344	1995	append(new LIR_Op1(lir_move, LIR_OprFact::address(src), dst, src->type(), lir_patch_none, info, lir_move_wide));
iveresov@2344	1996	} else {
iveresov@2344	1997	move(src, dst, info);
iveresov@2344	1998	}
iveresov@2344	1999	}
iveresov@2344	2000	void move_wide(LIR_Opr src, LIR_Address* dst, CodeEmitInfo* info = NULL) {
iveresov@2344	2001	if (UseCompressedOops) {
iveresov@2344	2002	append(new LIR_Op1(lir_move, src, LIR_OprFact::address(dst), dst->type(), lir_patch_none, info, lir_move_wide));
iveresov@2344	2003	} else {
iveresov@2344	2004	move(src, dst, info);
iveresov@2344	2005	}
iveresov@2344	2006	}
duke@435	2007	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	2008
duke@435	2009	void oop2reg (jobject o, LIR_Opr reg) { append(new LIR_Op1(lir_move, LIR_OprFact::oopConst(o), reg)); }
duke@435	2010	void oop2reg_patch(jobject o, LIR_Opr reg, CodeEmitInfo* info);
duke@435	2011
coleenp@4037	2012	void oop2reg (Metadata* o, LIR_Opr reg) { append(new LIR_Op1(lir_move, LIR_OprFact::metadataConst(o), reg)); }
coleenp@4037	2013	void klass2reg_patch(Metadata* o, LIR_Opr reg, CodeEmitInfo* info);
coleenp@4037	2014
duke@435	2015	void return_op(LIR_Opr result) { append(new LIR_Op1(lir_return, result)); }
duke@435	2016
duke@435	2017	void safepoint(LIR_Opr tmp, CodeEmitInfo* info) { append(new LIR_Op1(lir_safepoint, tmp, info)); }
duke@435	2018
bobv@2036	2019	#ifdef PPC
bobv@2036	2020	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	2021	#endif
duke@435	2022	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	2023
duke@435	2024	void logical_and (LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_logic_and, left, right, dst)); }
duke@435	2025	void logical_or (LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_logic_or, left, right, dst)); }
duke@435	2026	void logical_xor (LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_logic_xor, left, right, dst)); }
duke@435	2027
iveresov@2138	2028	void pack64(LIR_Opr src, LIR_Opr dst) { append(new LIR_Op1(lir_pack64, src, dst, T_LONG, lir_patch_none, NULL)); }
iveresov@2138	2029	void unpack64(LIR_Opr src, LIR_Opr dst) { append(new LIR_Op1(lir_unpack64, src, dst, T_LONG, lir_patch_none, NULL)); }
iveresov@2138	2030
duke@435	2031	void null_check(LIR_Opr opr, CodeEmitInfo* info) { append(new LIR_Op1(lir_null_check, opr, info)); }
never@1813	2032	void throw_exception(LIR_Opr exceptionPC, LIR_Opr exceptionOop, CodeEmitInfo* info) {
never@1813	2033	append(new LIR_Op2(lir_throw, exceptionPC, exceptionOop, LIR_OprFact::illegalOpr, info));
never@1813	2034	}
never@1813	2035	void unwind_exception(LIR_Opr exceptionOop) {
never@1813	2036	append(new LIR_Op1(lir_unwind, exceptionOop));
never@1813	2037	}
duke@435	2038
duke@435	2039	void compare_to (LIR_Opr left, LIR_Opr right, LIR_Opr dst) {
duke@435	2040	append(new LIR_Op2(lir_compare_to, left, right, dst));
duke@435	2041	}
duke@435	2042
duke@435	2043	void push(LIR_Opr opr) { append(new LIR_Op1(lir_push, opr)); }
duke@435	2044	void pop(LIR_Opr reg) { append(new LIR_Op1(lir_pop, reg)); }
duke@435	2045
duke@435	2046	void cmp(LIR_Condition condition, LIR_Opr left, LIR_Opr right, CodeEmitInfo* info = NULL) {
duke@435	2047	append(new LIR_Op2(lir_cmp, condition, left, right, info));
duke@435	2048	}
duke@435	2049	void cmp(LIR_Condition condition, LIR_Opr left, int right, CodeEmitInfo* info = NULL) {
duke@435	2050	cmp(condition, left, LIR_OprFact::intConst(right), info);
duke@435	2051	}
duke@435	2052
duke@435	2053	void cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info);
duke@435	2054	void cmp_reg_mem(LIR_Condition condition, LIR_Opr reg, LIR_Address* addr, CodeEmitInfo* info);
duke@435	2055
iveresov@2412	2056	void cmove(LIR_Condition condition, LIR_Opr src1, LIR_Opr src2, LIR_Opr dst, BasicType type) {
iveresov@2412	2057	append(new LIR_Op2(lir_cmove, condition, src1, src2, dst, type));
duke@435	2058	}
duke@435	2059
bobv@2036	2060	void cas_long(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
bobv@2036	2061	LIR_Opr t1, LIR_Opr t2, LIR_Opr result = LIR_OprFact::illegalOpr);
bobv@2036	2062	void cas_obj(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
bobv@2036	2063	LIR_Opr t1, LIR_Opr t2, LIR_Opr result = LIR_OprFact::illegalOpr);
bobv@2036	2064	void cas_int(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
bobv@2036	2065	LIR_Opr t1, LIR_Opr t2, LIR_Opr result = LIR_OprFact::illegalOpr);
duke@435	2066
duke@435	2067	void abs (LIR_Opr from, LIR_Opr to, LIR_Opr tmp) { append(new LIR_Op2(lir_abs , from, tmp, to)); }
duke@435	2068	void sqrt(LIR_Opr from, LIR_Opr to, LIR_Opr tmp) { append(new LIR_Op2(lir_sqrt, from, tmp, to)); }
never@1388	2069	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	2070	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	2071	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	2072	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	2073	void tan (LIR_Opr from, LIR_Opr to, LIR_Opr tmp1, LIR_Opr tmp2) { append(new LIR_Op2(lir_tan , from, tmp1, to, tmp2)); }
roland@3787	2074	void exp (LIR_Opr from, LIR_Opr to, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, LIR_Opr tmp4, LIR_Opr tmp5) { append(new LIR_Op2(lir_exp , from, tmp1, to, tmp2, tmp3, tmp4, tmp5)); }
roland@3787	2075	void pow (LIR_Opr arg1, LIR_Opr arg2, LIR_Opr res, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, LIR_Opr tmp4, LIR_Opr tmp5) { append(new LIR_Op2(lir_pow, arg1, arg2, res, tmp1, tmp2, tmp3, tmp4, tmp5)); }
duke@435	2076
duke@435	2077	void add (LIR_Opr left, LIR_Opr right, LIR_Opr res) { append(new LIR_Op2(lir_add, left, right, res)); }
duke@435	2078	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	2079	void mul (LIR_Opr left, LIR_Opr right, LIR_Opr res) { append(new LIR_Op2(lir_mul, left, right, res)); }
duke@435	2080	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	2081	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	2082	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	2083	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	2084
duke@435	2085	void volatile_load_mem_reg(LIR_Address* address, LIR_Opr dst, CodeEmitInfo* info, LIR_PatchCode patch_code = lir_patch_none);
duke@435	2086	void volatile_load_unsafe_reg(LIR_Opr base, LIR_Opr offset, LIR_Opr dst, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code);
duke@435	2087
duke@435	2088	void load(LIR_Address* addr, LIR_Opr src, CodeEmitInfo* info = NULL, LIR_PatchCode patch_code = lir_patch_none);
duke@435	2089
duke@435	2090	void prefetch(LIR_Address* addr, bool is_store);
duke@435	2091
duke@435	2092	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	2093	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	2094	void store(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info = NULL, LIR_PatchCode patch_code = lir_patch_none);
duke@435	2095	void volatile_store_mem_reg(LIR_Opr src, LIR_Address* address, CodeEmitInfo* info, LIR_PatchCode patch_code = lir_patch_none);
duke@435	2096	void volatile_store_unsafe_reg(LIR_Opr src, LIR_Opr base, LIR_Opr offset, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code);
duke@435	2097
duke@435	2098	void idiv(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info);
duke@435	2099	void idiv(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info);
duke@435	2100	void irem(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info);
duke@435	2101	void irem(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info);
duke@435	2102
duke@435	2103	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	2104	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	2105
duke@435	2106	// jump is an unconditional branch
duke@435	2107	void jump(BlockBegin* block) {
duke@435	2108	append(new LIR_OpBranch(lir_cond_always, T_ILLEGAL, block));
duke@435	2109	}
duke@435	2110	void jump(CodeStub* stub) {
duke@435	2111	append(new LIR_OpBranch(lir_cond_always, T_ILLEGAL, stub));
duke@435	2112	}
iveresov@3443	2113	void branch(LIR_Condition cond, BasicType type, Label* lbl) { append(new LIR_OpBranch(cond, type, lbl)); }
duke@435	2114	void branch(LIR_Condition cond, BasicType type, BlockBegin* block) {
duke@435	2115	assert(type != T_FLOAT && type != T_DOUBLE, "no fp comparisons");
duke@435	2116	append(new LIR_OpBranch(cond, type, block));
duke@435	2117	}
duke@435	2118	void branch(LIR_Condition cond, BasicType type, CodeStub* stub) {
duke@435	2119	assert(type != T_FLOAT && type != T_DOUBLE, "no fp comparisons");
duke@435	2120	append(new LIR_OpBranch(cond, type, stub));
duke@435	2121	}
duke@435	2122	void branch(LIR_Condition cond, BasicType type, BlockBegin* block, BlockBegin* unordered) {
duke@435	2123	assert(type == T_FLOAT || type == T_DOUBLE, "fp comparisons only");
duke@435	2124	append(new LIR_OpBranch(cond, type, block, unordered));
duke@435	2125	}
duke@435	2126
duke@435	2127	void shift_left(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp);
duke@435	2128	void shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp);
duke@435	2129	void unsigned_shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp);
duke@435	2130
duke@435	2131	void shift_left(LIR_Opr value, int count, LIR_Opr dst) { shift_left(value, LIR_OprFact::intConst(count), dst, LIR_OprFact::illegalOpr); }
duke@435	2132	void shift_right(LIR_Opr value, int count, LIR_Opr dst) { shift_right(value, LIR_OprFact::intConst(count), dst, LIR_OprFact::illegalOpr); }
duke@435	2133	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	2134
duke@435	2135	void lcmp2int(LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_cmp_l2i, left, right, dst)); }
duke@435	2136	void fcmp2int(LIR_Opr left, LIR_Opr right, LIR_Opr dst, bool is_unordered_less);
duke@435	2137
duke@435	2138	void call_runtime_leaf(address routine, LIR_Opr tmp, LIR_Opr result, LIR_OprList* arguments) {
duke@435	2139	append(new LIR_OpRTCall(routine, tmp, result, arguments));
duke@435	2140	}
duke@435	2141
duke@435	2142	void call_runtime(address routine, LIR_Opr tmp, LIR_Opr result,
duke@435	2143	LIR_OprList* arguments, CodeEmitInfo* info) {
duke@435	2144	append(new LIR_OpRTCall(routine, tmp, result, arguments, info));
duke@435	2145	}
duke@435	2146
duke@435	2147	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	2148	void unlock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub);
duke@435	2149	void lock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub, CodeEmitInfo* info);
duke@435	2150
duke@435	2151	void set_24bit_fpu() { append(new LIR_Op0(lir_24bit_FPU )); }
duke@435	2152	void restore_fpu() { append(new LIR_Op0(lir_reset_FPU )); }
duke@435	2153	void breakpoint() { append(new LIR_Op0(lir_breakpoint)); }
duke@435	2154
duke@435	2155	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	2156
duke@435	2157	void fpop_raw() { append(new LIR_Op0(lir_fpop_raw)); }
duke@435	2158
iveresov@2146	2159	void instanceof(LIR_Opr result, LIR_Opr object, ciKlass* klass, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check, CodeEmitInfo* info_for_patch, ciMethod* profiled_method, int profiled_bci);
iveresov@3153	2160	void store_check(LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, CodeEmitInfo* info_for_exception, ciMethod* profiled_method, int profiled_bci);
iveresov@2138	2161
duke@435	2162	void checkcast (LIR_Opr result, LIR_Opr object, ciKlass* klass,
duke@435	2163	LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check,
duke@435	2164	CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub,
duke@435	2165	ciMethod* profiled_method, int profiled_bci);
coleenp@4037	2166	// MethodData* profiling
twisti@3969	2167	void profile_call(ciMethod* method, int bci, ciMethod* callee, LIR_Opr mdo, LIR_Opr recv, LIR_Opr t1, ciKlass* cha_klass) {
twisti@3969	2168	append(new LIR_OpProfileCall(lir_profile_call, method, bci, callee, mdo, recv, t1, cha_klass));
iveresov@2138	2169	}
duke@435	2170	};
duke@435	2171
duke@435	2172	void print_LIR(BlockList* blocks);
duke@435	2173
duke@435	2174	class LIR_InsertionBuffer : public CompilationResourceObj {
duke@435	2175	private:
duke@435	2176	LIR_List* _lir; // the lir list where ops of this buffer should be inserted later (NULL when uninitialized)
duke@435	2177
duke@435	2178	// list of insertion points. index and count are stored alternately:
duke@435	2179	// _index_and_count[i * 2]: the index into lir list where "count" ops should be inserted
duke@435	2180	// _index_and_count[i * 2 + 1]: the number of ops to be inserted at index
duke@435	2181	intStack _index_and_count;
duke@435	2182
duke@435	2183	// the LIR_Ops to be inserted
duke@435	2184	LIR_OpList _ops;
duke@435	2185
duke@435	2186	void append_new(int index, int count) { _index_and_count.append(index); _index_and_count.append(count); }
duke@435	2187	void set_index_at(int i, int value) { _index_and_count.at_put((i << 1), value); }
duke@435	2188	void set_count_at(int i, int value) { _index_and_count.at_put((i << 1) + 1, value); }
duke@435	2189
duke@435	2190	#ifdef ASSERT
duke@435	2191	void verify();
duke@435	2192	#endif
duke@435	2193	public:
duke@435	2194	LIR_InsertionBuffer() : _lir(NULL), _index_and_count(8), _ops(8) { }
duke@435	2195
duke@435	2196	// must be called before using the insertion buffer
duke@435	2197	void init(LIR_List* lir) { assert(!initialized(), "already initialized"); _lir = lir; _index_and_count.clear(); _ops.clear(); }
duke@435	2198	bool initialized() const { return _lir != NULL; }
duke@435	2199	// called automatically when the buffer is appended to the LIR_List
duke@435	2200	void finish() { _lir = NULL; }
duke@435	2201
duke@435	2202	// accessors
duke@435	2203	LIR_List* lir_list() const { return _lir; }
duke@435	2204	int number_of_insertion_points() const { return _index_and_count.length() >> 1; }
duke@435	2205	int index_at(int i) const { return _index_and_count.at((i << 1)); }
duke@435	2206	int count_at(int i) const { return _index_and_count.at((i << 1) + 1); }
duke@435	2207
duke@435	2208	int number_of_ops() const { return _ops.length(); }
duke@435	2209	LIR_Op* op_at(int i) const { return _ops.at(i); }
duke@435	2210
duke@435	2211	// append an instruction to the buffer
duke@435	2212	void append(int index, LIR_Op* op);
duke@435	2213
duke@435	2214	// instruction
duke@435	2215	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	2216	};
duke@435	2217
duke@435	2218
duke@435	2219	//
duke@435	2220	// LIR_OpVisitState is used for manipulating LIR_Ops in an abstract way.
duke@435	2221	// Calling a LIR_Op's visit function with a LIR_OpVisitState causes
duke@435	2222	// information about the input, output and temporaries used by the
duke@435	2223	// op to be recorded. It also records whether the op has call semantics
duke@435	2224	// and also records all the CodeEmitInfos used by this op.
duke@435	2225	//
duke@435	2226
duke@435	2227
duke@435	2228	class LIR_OpVisitState: public StackObj {
duke@435	2229	public:
duke@435	2230	typedef enum { inputMode, firstMode = inputMode, tempMode, outputMode, numModes, invalidMode = -1 } OprMode;
duke@435	2231
duke@435	2232	enum {
never@1610	2233	maxNumberOfOperands = 16,
duke@435	2234	maxNumberOfInfos = 4
duke@435	2235	};
duke@435	2236
duke@435	2237	private:
duke@435	2238	LIR_Op* _op;
duke@435	2239
duke@435	2240	// optimization: the operands and infos are not stored in a variable-length
duke@435	2241	// list, but in a fixed-size array to save time of size checks and resizing
duke@435	2242	int _oprs_len[numModes];
duke@435	2243	LIR_Opr* _oprs_new[numModes][maxNumberOfOperands];
duke@435	2244	int _info_len;
duke@435	2245	CodeEmitInfo* _info_new[maxNumberOfInfos];
duke@435	2246
duke@435	2247	bool _has_call;
duke@435	2248	bool _has_slow_case;
duke@435	2249
duke@435	2250
duke@435	2251	// only include register operands
duke@435	2252	// addresses are decomposed to the base and index registers
duke@435	2253	// constants and stack operands are ignored
duke@435	2254	void append(LIR_Opr& opr, OprMode mode) {
duke@435	2255	assert(opr->is_valid(), "should not call this otherwise");
duke@435	2256	assert(mode >= 0 && mode < numModes, "bad mode");
duke@435	2257
duke@435	2258	if (opr->is_register()) {
duke@435	2259	assert(_oprs_len[mode] < maxNumberOfOperands, "array overflow");
duke@435	2260	_oprs_new[mode][_oprs_len[mode]++] = &opr;
duke@435	2261
duke@435	2262	} else if (opr->is_pointer()) {
duke@435	2263	LIR_Address* address = opr->as_address_ptr();
duke@435	2264	if (address != NULL) {
duke@435	2265	// special handling for addresses: add base and index register of the address
duke@435	2266	// both are always input operands!
duke@435	2267	if (address->_base->is_valid()) {
duke@435	2268	assert(address->_base->is_register(), "must be");
duke@435	2269	assert(_oprs_len[inputMode] < maxNumberOfOperands, "array overflow");
duke@435	2270	_oprs_new[inputMode][_oprs_len[inputMode]++] = &address->_base;
duke@435	2271	}
duke@435	2272	if (address->_index->is_valid()) {
duke@435	2273	assert(address->_index->is_register(), "must be");
duke@435	2274	assert(_oprs_len[inputMode] < maxNumberOfOperands, "array overflow");
duke@435	2275	_oprs_new[inputMode][_oprs_len[inputMode]++] = &address->_index;
duke@435	2276	}
duke@435	2277
duke@435	2278	} else {
duke@435	2279	assert(opr->is_constant(), "constant operands are not processed");
duke@435	2280	}
duke@435	2281	} else {
duke@435	2282	assert(opr->is_stack(), "stack operands are not processed");
duke@435	2283	}
duke@435	2284	}
duke@435	2285
duke@435	2286	void append(CodeEmitInfo* info) {
duke@435	2287	assert(info != NULL, "should not call this otherwise");
duke@435	2288	assert(_info_len < maxNumberOfInfos, "array overflow");
duke@435	2289	_info_new[_info_len++] = info;
duke@435	2290	}
duke@435	2291
duke@435	2292	public:
duke@435	2293	LIR_OpVisitState() { reset(); }
duke@435	2294
duke@435	2295	LIR_Op* op() const { return _op; }
duke@435	2296	void set_op(LIR_Op* op) { reset(); _op = op; }
duke@435	2297
duke@435	2298	bool has_call() const { return _has_call; }
duke@435	2299	bool has_slow_case() const { return _has_slow_case; }
duke@435	2300
duke@435	2301	void reset() {
duke@435	2302	_op = NULL;
duke@435	2303	_has_call = false;
duke@435	2304	_has_slow_case = false;
duke@435	2305
duke@435	2306	_oprs_len[inputMode] = 0;
duke@435	2307	_oprs_len[tempMode] = 0;
duke@435	2308	_oprs_len[outputMode] = 0;
duke@435	2309	_info_len = 0;
duke@435	2310	}
duke@435	2311
duke@435	2312
duke@435	2313	int opr_count(OprMode mode) const {
duke@435	2314	assert(mode >= 0 && mode < numModes, "bad mode");
duke@435	2315	return _oprs_len[mode];
duke@435	2316	}
duke@435	2317
duke@435	2318	LIR_Opr opr_at(OprMode mode, int index) const {
duke@435	2319	assert(mode >= 0 && mode < numModes, "bad mode");
duke@435	2320	assert(index >= 0 && index < _oprs_len[mode], "index out of bound");
duke@435	2321	return *_oprs_new[mode][index];
duke@435	2322	}
duke@435	2323
duke@435	2324	void set_opr_at(OprMode mode, int index, LIR_Opr opr) const {
duke@435	2325	assert(mode >= 0 && mode < numModes, "bad mode");
duke@435	2326	assert(index >= 0 && index < _oprs_len[mode], "index out of bound");
duke@435	2327	*_oprs_new[mode][index] = opr;
duke@435	2328	}
duke@435	2329
duke@435	2330	int info_count() const {
duke@435	2331	return _info_len;
duke@435	2332	}
duke@435	2333
duke@435	2334	CodeEmitInfo* info_at(int index) const {
duke@435	2335	assert(index < _info_len, "index out of bounds");
duke@435	2336	return _info_new[index];
duke@435	2337	}
duke@435	2338
duke@435	2339	XHandlers* all_xhandler();
duke@435	2340
duke@435	2341	// collects all register operands of the instruction
duke@435	2342	void visit(LIR_Op* op);
duke@435	2343
duke@435	2344	#if ASSERT
duke@435	2345	// check that an operation has no operands
duke@435	2346	bool no_operands(LIR_Op* op);
duke@435	2347	#endif
duke@435	2348
duke@435	2349	// LIR_Op visitor functions use these to fill in the state
duke@435	2350	void do_input(LIR_Opr& opr) { append(opr, LIR_OpVisitState::inputMode); }
duke@435	2351	void do_output(LIR_Opr& opr) { append(opr, LIR_OpVisitState::outputMode); }
duke@435	2352	void do_temp(LIR_Opr& opr) { append(opr, LIR_OpVisitState::tempMode); }
duke@435	2353	void do_info(CodeEmitInfo* info) { append(info); }
duke@435	2354
duke@435	2355	void do_stub(CodeStub* stub);
duke@435	2356	void do_call() { _has_call = true; }
duke@435	2357	void do_slow_case() { _has_slow_case = true; }
duke@435	2358	void do_slow_case(CodeEmitInfo* info) {
duke@435	2359	_has_slow_case = true;
duke@435	2360	append(info);
duke@435	2361	}
duke@435	2362	};
duke@435	2363
duke@435	2364
duke@435	2365	inline LIR_Opr LIR_OprDesc::illegalOpr() { return LIR_OprFact::illegalOpr; };
stefank@2314	2366
stefank@2314	2367	#endif // SHARE_VM_C1_C1_LIR_HPP