Mercurial > hg > truffle
annotate src/share/vm/opto/machnode.hpp @ 17810:62c54fcc0a35
Merge
author | kvn |
---|---|
date | Tue, 25 Mar 2014 17:07:36 -0700 |
parents | 492e67693373 606acabe7b5c |
children | 17b2fbdb6637 |
rev | line source |
---|---|
0 | 1 /* |
12146
9758d9f36299
8021954: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced
coleenp
parents:
6725
diff
changeset
|
2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1203
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1203
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1203
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_OPTO_MACHNODE_HPP |
26 #define SHARE_VM_OPTO_MACHNODE_HPP | |
27 | |
28 #include "opto/callnode.hpp" | |
29 #include "opto/matcher.hpp" | |
30 #include "opto/multnode.hpp" | |
31 #include "opto/node.hpp" | |
32 #include "opto/regmask.hpp" | |
33 | |
14437
15120a36272d
8028767: PPC64: (part 121): smaller shared changes needed to build C2
goetz
parents:
14434
diff
changeset
|
34 class BiasedLockingCounters; |
0 | 35 class BufferBlob; |
36 class CodeBuffer; | |
37 class JVMState; | |
38 class MachCallDynamicJavaNode; | |
39 class MachCallJavaNode; | |
40 class MachCallLeafNode; | |
41 class MachCallNode; | |
42 class MachCallRuntimeNode; | |
43 class MachCallStaticJavaNode; | |
44 class MachEpilogNode; | |
45 class MachIfNode; | |
46 class MachNullCheckNode; | |
47 class MachOper; | |
48 class MachProjNode; | |
49 class MachPrologNode; | |
50 class MachReturnNode; | |
51 class MachSafePointNode; | |
52 class MachSpillCopyNode; | |
53 class Matcher; | |
54 class PhaseRegAlloc; | |
55 class RegMask; | |
17780 | 56 class RTMLockingCounters; |
0 | 57 class State; |
58 | |
59 //---------------------------MachOper------------------------------------------ | |
60 class MachOper : public ResourceObj { | |
61 public: | |
62 // Allocate right next to the MachNodes in the same arena | |
12146
9758d9f36299
8021954: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced
coleenp
parents:
6725
diff
changeset
|
63 void *operator new( size_t x, Compile* C ) throw() { return C->node_arena()->Amalloc_D(x); } |
0 | 64 |
65 // Opcode | |
66 virtual uint opcode() const = 0; | |
67 | |
68 // Number of input edges. | |
69 // Generally at least 1 | |
70 virtual uint num_edges() const { return 1; } | |
71 // Array of Register masks | |
72 virtual const RegMask *in_RegMask(int index) const; | |
73 | |
74 // Methods to output the encoding of the operand | |
75 | |
76 // Negate conditional branches. Error for non-branch Nodes | |
77 virtual void negate(); | |
78 | |
79 // Return the value requested | |
80 // result register lookup, corresponding to int_format | |
81 virtual int reg(PhaseRegAlloc *ra_, const Node *node) const; | |
82 // input register lookup, corresponding to ext_format | |
83 virtual int reg(PhaseRegAlloc *ra_, const Node *node, int idx) const; | |
84 | |
85 // helpers for MacroAssembler generation from ADLC | |
86 Register as_Register(PhaseRegAlloc *ra_, const Node *node) const { | |
87 return ::as_Register(reg(ra_, node)); | |
88 } | |
89 Register as_Register(PhaseRegAlloc *ra_, const Node *node, int idx) const { | |
90 return ::as_Register(reg(ra_, node, idx)); | |
91 } | |
92 FloatRegister as_FloatRegister(PhaseRegAlloc *ra_, const Node *node) const { | |
93 return ::as_FloatRegister(reg(ra_, node)); | |
94 } | |
95 FloatRegister as_FloatRegister(PhaseRegAlloc *ra_, const Node *node, int idx) const { | |
96 return ::as_FloatRegister(reg(ra_, node, idx)); | |
97 } | |
98 | |
99 #if defined(IA32) || defined(AMD64) | |
100 XMMRegister as_XMMRegister(PhaseRegAlloc *ra_, const Node *node) const { | |
101 return ::as_XMMRegister(reg(ra_, node)); | |
102 } | |
103 XMMRegister as_XMMRegister(PhaseRegAlloc *ra_, const Node *node, int idx) const { | |
104 return ::as_XMMRegister(reg(ra_, node, idx)); | |
105 } | |
106 #endif | |
14444
492e67693373
8029888: PPC64: (part 219): adl replacement variable CondRegister
goetz
parents:
14440
diff
changeset
|
107 // CondRegister reg converter |
492e67693373
8029888: PPC64: (part 219): adl replacement variable CondRegister
goetz
parents:
14440
diff
changeset
|
108 #if defined(PPC64) |
492e67693373
8029888: PPC64: (part 219): adl replacement variable CondRegister
goetz
parents:
14440
diff
changeset
|
109 ConditionRegister as_ConditionRegister(PhaseRegAlloc *ra_, const Node *node) const { |
492e67693373
8029888: PPC64: (part 219): adl replacement variable CondRegister
goetz
parents:
14440
diff
changeset
|
110 return ::as_ConditionRegister(reg(ra_, node)); |
492e67693373
8029888: PPC64: (part 219): adl replacement variable CondRegister
goetz
parents:
14440
diff
changeset
|
111 } |
492e67693373
8029888: PPC64: (part 219): adl replacement variable CondRegister
goetz
parents:
14440
diff
changeset
|
112 ConditionRegister as_ConditionRegister(PhaseRegAlloc *ra_, const Node *node, int idx) const { |
492e67693373
8029888: PPC64: (part 219): adl replacement variable CondRegister
goetz
parents:
14440
diff
changeset
|
113 return ::as_ConditionRegister(reg(ra_, node, idx)); |
492e67693373
8029888: PPC64: (part 219): adl replacement variable CondRegister
goetz
parents:
14440
diff
changeset
|
114 } |
492e67693373
8029888: PPC64: (part 219): adl replacement variable CondRegister
goetz
parents:
14440
diff
changeset
|
115 #endif |
0 | 116 |
117 virtual intptr_t constant() const; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6179
diff
changeset
|
118 virtual relocInfo::relocType constant_reloc() const; |
0 | 119 virtual jdouble constantD() const; |
120 virtual jfloat constantF() const; | |
121 virtual jlong constantL() const; | |
122 virtual TypeOopPtr *oop() const; | |
123 virtual int ccode() const; | |
124 // A zero, default, indicates this value is not needed. | |
125 // May need to lookup the base register, as done in int_ and ext_format | |
126 virtual int base (PhaseRegAlloc *ra_, const Node *node, int idx) const; | |
127 virtual int index(PhaseRegAlloc *ra_, const Node *node, int idx) const; | |
128 virtual int scale() const; | |
129 // Parameters needed to support MEMORY_INTERFACE access to stackSlot | |
130 virtual int disp (PhaseRegAlloc *ra_, const Node *node, int idx) const; | |
131 // Check for PC-Relative displacement | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6179
diff
changeset
|
132 virtual relocInfo::relocType disp_reloc() const; |
0 | 133 virtual int constant_disp() const; // usu. 0, may return Type::OffsetBot |
134 virtual int base_position() const; // base edge position, or -1 | |
135 virtual int index_position() const; // index edge position, or -1 | |
136 | |
137 // Access the TypeKlassPtr of operands with a base==RegI and disp==RegP | |
138 // Only returns non-null value for i486.ad's indOffset32X | |
139 virtual const TypePtr *disp_as_type() const { return NULL; } | |
140 | |
141 // Return the label | |
142 virtual Label *label() const; | |
143 | |
144 // Return the method's address | |
145 virtual intptr_t method() const; | |
146 | |
147 // Hash and compare over operands are currently identical | |
148 virtual uint hash() const; | |
149 virtual uint cmp( const MachOper &oper ) const; | |
150 | |
151 // Virtual clone, since I do not know how big the MachOper is. | |
152 virtual MachOper *clone(Compile* C) const = 0; | |
153 | |
154 // Return ideal Type from simple operands. Fail for complex operands. | |
155 virtual const Type *type() const; | |
156 | |
157 // Set an integer offset if we have one, or error otherwise | |
158 virtual void set_con( jint c0 ) { ShouldNotReachHere(); } | |
159 | |
160 #ifndef PRODUCT | |
161 // Return name of operand | |
162 virtual const char *Name() const { return "???";} | |
163 | |
164 // Methods to output the text version of the operand | |
165 virtual void int_format(PhaseRegAlloc *,const MachNode *node, outputStream *st) const = 0; | |
166 virtual void ext_format(PhaseRegAlloc *,const MachNode *node,int idx, outputStream *st) const=0; | |
167 | |
168 virtual void dump_spec(outputStream *st) const; // Print per-operand info | |
14428
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12146
diff
changeset
|
169 |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12146
diff
changeset
|
170 // Check whether o is a valid oper. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12146
diff
changeset
|
171 static bool notAnOper(const MachOper *o) { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12146
diff
changeset
|
172 if (o == NULL) return true; |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12146
diff
changeset
|
173 if (((intptr_t)o & 1) != 0) return true; |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12146
diff
changeset
|
174 if (*(address*)o == badAddress) return true; // kill by Node::destruct |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12146
diff
changeset
|
175 return false; |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12146
diff
changeset
|
176 } |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12146
diff
changeset
|
177 #endif // !PRODUCT |
0 | 178 }; |
179 | |
180 //------------------------------MachNode--------------------------------------- | |
181 // Base type for all machine specific nodes. All node classes generated by the | |
182 // ADLC inherit from this class. | |
183 class MachNode : public Node { | |
184 public: | |
185 MachNode() : Node((uint)0), _num_opnds(0), _opnds(NULL) { | |
186 init_class_id(Class_Mach); | |
187 } | |
188 // Required boilerplate | |
189 virtual uint size_of() const { return sizeof(MachNode); } | |
190 virtual int Opcode() const; // Always equal to MachNode | |
191 virtual uint rule() const = 0; // Machine-specific opcode | |
192 // Number of inputs which come before the first operand. | |
193 // Generally at least 1, to skip the Control input | |
194 virtual uint oper_input_base() const { return 1; } | |
14434
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
195 // Position of constant base node in node's inputs. -1 if |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
196 // no constant base node input. |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
197 virtual uint mach_constant_base_node_input() const { return (uint)-1; } |
0 | 198 |
199 // Copy inputs and operands to new node of instruction. | |
200 // Called from cisc_version() and short_branch_version(). | |
201 // !!!! The method's body is defined in ad_<arch>.cpp file. | |
202 void fill_new_machnode(MachNode *n, Compile* C) const; | |
203 | |
204 // Return an equivalent instruction using memory for cisc_operand position | |
205 virtual MachNode *cisc_version(int offset, Compile* C); | |
206 // Modify this instruction's register mask to use stack version for cisc_operand | |
207 virtual void use_cisc_RegMask(); | |
208 | |
209 // Support for short branches | |
210 bool may_be_short_branch() const { return (flags() & Flag_may_be_short_branch) != 0; } | |
211 | |
3851 | 212 // Avoid back to back some instructions on some CPUs. |
213 bool avoid_back_to_back() const { return (flags() & Flag_avoid_back_to_back) != 0; } | |
214 | |
4120
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
3853
diff
changeset
|
215 // instruction implemented with a call |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
3853
diff
changeset
|
216 bool has_call() const { return (flags() & Flag_has_call) != 0; } |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
3853
diff
changeset
|
217 |
0 | 218 // First index in _in[] corresponding to operand, or -1 if there is none |
219 int operand_index(uint operand) const; | |
14437
15120a36272d
8028767: PPC64: (part 121): smaller shared changes needed to build C2
goetz
parents:
14434
diff
changeset
|
220 int operand_index(const MachOper *oper) const; |
0 | 221 |
222 // Register class input is expected in | |
223 virtual const RegMask &in_RegMask(uint) const; | |
224 | |
225 // cisc-spillable instructions redefine for use by in_RegMask | |
226 virtual const RegMask *cisc_RegMask() const { return NULL; } | |
227 | |
228 // If this instruction is a 2-address instruction, then return the | |
229 // index of the input which must match the output. Not nessecary | |
230 // for instructions which bind the input and output register to the | |
231 // same singleton regiser (e.g., Intel IDIV which binds AX to be | |
232 // both an input and an output). It is nessecary when the input and | |
233 // output have choices - but they must use the same choice. | |
234 virtual uint two_adr( ) const { return 0; } | |
235 | |
236 // Array of complex operand pointers. Each corresponds to zero or | |
237 // more leafs. Must be set by MachNode constructor to point to an | |
238 // internal array of MachOpers. The MachOper array is sized by | |
239 // specific MachNodes described in the ADL. | |
240 uint _num_opnds; | |
241 MachOper **_opnds; | |
242 uint num_opnds() const { return _num_opnds; } | |
243 | |
244 // Emit bytes into cbuf | |
245 virtual void emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const; | |
14428
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12146
diff
changeset
|
246 // Expand node after register allocation. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12146
diff
changeset
|
247 // Node is replaced by several nodes in the postalloc expand phase. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12146
diff
changeset
|
248 // Corresponding methods are generated for nodes if they specify |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12146
diff
changeset
|
249 // postalloc_expand. See block.cpp for more documentation. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12146
diff
changeset
|
250 virtual bool requires_postalloc_expand() const { return false; } |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12146
diff
changeset
|
251 virtual void postalloc_expand(GrowableArray <Node *> *nodes, PhaseRegAlloc *ra_); |
0 | 252 // Size of instruction in bytes |
253 virtual uint size(PhaseRegAlloc *ra_) const; | |
254 // Helper function that computes size by emitting code | |
255 virtual uint emit_size(PhaseRegAlloc *ra_) const; | |
256 | |
257 // Return the alignment required (in units of relocInfo::addr_unit()) | |
258 // for this instruction (must be a power of 2) | |
259 virtual int alignment_required() const { return 1; } | |
260 | |
261 // Return the padding (in bytes) to be emitted before this | |
262 // instruction to properly align it. | |
263 virtual int compute_padding(int current_offset) const { return 0; } | |
264 | |
265 // Return number of relocatable values contained in this instruction | |
266 virtual int reloc() const { return 0; } | |
267 | |
14434
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
268 // Return number of words used for double constants in this instruction |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
269 virtual int ins_num_consts() const { return 0; } |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
270 |
0 | 271 // Hash and compare over operands. Used to do GVN on machine Nodes. |
272 virtual uint hash() const; | |
273 virtual uint cmp( const Node &n ) const; | |
274 | |
275 // Expand method for MachNode, replaces nodes representing pseudo | |
276 // instructions with a set of nodes which represent real machine | |
277 // instructions and compute the same value. | |
1203 | 278 virtual MachNode *Expand( State *, Node_List &proj_list, Node* mem ) { return this; } |
0 | 279 |
280 // Bottom_type call; value comes from operand0 | |
281 virtual const class Type *bottom_type() const { return _opnds[0]->type(); } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6179
diff
changeset
|
282 virtual uint ideal_reg() const { const Type *t = _opnds[0]->type(); return t == TypeInt::CC ? Op_RegFlags : t->ideal_reg(); } |
0 | 283 |
284 // If this is a memory op, return the base pointer and fixed offset. | |
285 // If there are no such, return NULL. If there are multiple addresses | |
286 // or the address is indeterminate (rare cases) then return (Node*)-1, | |
287 // which serves as node bottom. | |
288 // If the offset is not statically determined, set it to Type::OffsetBot. | |
289 // This method is free to ignore stack slots if that helps. | |
290 #define TYPE_PTR_SENTINAL ((const TypePtr*)-1) | |
291 // Passing TYPE_PTR_SENTINAL as adr_type asks for computation of the adr_type if possible | |
292 const Node* get_base_and_disp(intptr_t &offset, const TypePtr* &adr_type) const; | |
293 | |
294 // Helper for get_base_and_disp: find the base and index input nodes. | |
295 // Returns the MachOper as determined by memory_operand(), for use, if | |
296 // needed by the caller. If (MachOper *)-1 is returned, base and index | |
297 // are set to NodeSentinel. If (MachOper *) NULL is returned, base and | |
298 // index are set to NULL. | |
299 const MachOper* memory_inputs(Node* &base, Node* &index) const; | |
300 | |
301 // Helper for memory_inputs: Which operand carries the necessary info? | |
302 // By default, returns NULL, which means there is no such operand. | |
303 // If it returns (MachOper*)-1, this means there are multiple memories. | |
304 virtual const MachOper* memory_operand() const { return NULL; } | |
305 | |
306 // Call "get_base_and_disp" to decide which category of memory is used here. | |
307 virtual const class TypePtr *adr_type() const; | |
308 | |
309 // Apply peephole rule(s) to this instruction | |
310 virtual MachNode *peephole( Block *block, int block_index, PhaseRegAlloc *ra_, int &deleted, Compile* C ); | |
311 | |
312 // Top-level ideal Opcode matched | |
313 virtual int ideal_Opcode() const { return Op_Node; } | |
314 | |
315 // Adds the label for the case | |
316 virtual void add_case_label( int switch_val, Label* blockLabel); | |
317 | |
318 // Set the absolute address for methods | |
319 virtual void method_set( intptr_t addr ); | |
320 | |
321 // Should we clone rather than spill this instruction? | |
322 bool rematerialize() const; | |
323 | |
324 // Get the pipeline info | |
325 static const Pipeline *pipeline_class(); | |
326 virtual const Pipeline *pipeline() const; | |
327 | |
14440
41b780b43b74
8029015: PPC64 (part 216): opto: trap based null and range checks
goetz
parents:
14437
diff
changeset
|
328 // Returns true if this node is a check that can be implemented with a trap. |
41b780b43b74
8029015: PPC64 (part 216): opto: trap based null and range checks
goetz
parents:
14437
diff
changeset
|
329 virtual bool is_TrapBasedCheckNode() const { return false; } |
41b780b43b74
8029015: PPC64 (part 216): opto: trap based null and range checks
goetz
parents:
14437
diff
changeset
|
330 |
0 | 331 #ifndef PRODUCT |
332 virtual const char *Name() const = 0; // Machine-specific name | |
333 virtual void dump_spec(outputStream *st) const; // Print per-node info | |
334 void dump_format(PhaseRegAlloc *ra, outputStream *st) const; // access to virtual | |
335 #endif | |
336 }; | |
337 | |
338 //------------------------------MachIdealNode---------------------------- | |
339 // Machine specific versions of nodes that must be defined by user. | |
340 // These are not converted by matcher from ideal nodes to machine nodes | |
341 // but are inserted into the code by the compiler. | |
342 class MachIdealNode : public MachNode { | |
343 public: | |
344 MachIdealNode( ) {} | |
345 | |
346 // Define the following defaults for non-matched machine nodes | |
347 virtual uint oper_input_base() const { return 0; } | |
348 virtual uint rule() const { return 9999999; } | |
349 virtual const class Type *bottom_type() const { return _opnds == NULL ? Type::CONTROL : MachNode::bottom_type(); } | |
350 }; | |
351 | |
352 //------------------------------MachTypeNode---------------------------- | |
353 // Machine Nodes that need to retain a known Type. | |
354 class MachTypeNode : public MachNode { | |
355 virtual uint size_of() const { return sizeof(*this); } // Size is bigger | |
356 public: | |
6179
8c92982cbbc4
7119644: Increase superword's vector size up to 256 bits
kvn
parents:
4120
diff
changeset
|
357 MachTypeNode( ) {} |
0 | 358 const Type *_bottom_type; |
359 | |
360 virtual const class Type *bottom_type() const { return _bottom_type; } | |
361 #ifndef PRODUCT | |
362 virtual void dump_spec(outputStream *st) const; | |
363 #endif | |
364 }; | |
365 | |
366 //------------------------------MachBreakpointNode---------------------------- | |
367 // Machine breakpoint or interrupt Node | |
368 class MachBreakpointNode : public MachIdealNode { | |
369 public: | |
370 MachBreakpointNode( ) {} | |
371 virtual void emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const; | |
372 virtual uint size(PhaseRegAlloc *ra_) const; | |
373 | |
374 #ifndef PRODUCT | |
375 virtual const char *Name() const { return "Breakpoint"; } | |
376 virtual void format( PhaseRegAlloc *, outputStream *st ) const; | |
377 #endif | |
378 }; | |
379 | |
2008 | 380 //------------------------------MachConstantBaseNode-------------------------- |
381 // Machine node that represents the base address of the constant table. | |
382 class MachConstantBaseNode : public MachIdealNode { | |
383 public: | |
384 static const RegMask& _out_RegMask; // We need the out_RegMask statically in MachConstantNode::in_RegMask(). | |
385 | |
386 public: | |
387 MachConstantBaseNode() : MachIdealNode() { | |
388 init_class_id(Class_MachConstantBase); | |
389 } | |
390 virtual const class Type* bottom_type() const { return TypeRawPtr::NOTNULL; } | |
391 virtual uint ideal_reg() const { return Op_RegP; } | |
392 virtual uint oper_input_base() const { return 1; } | |
393 | |
14428
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12146
diff
changeset
|
394 virtual bool requires_postalloc_expand() const; |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12146
diff
changeset
|
395 virtual void postalloc_expand(GrowableArray <Node *> *nodes, PhaseRegAlloc *ra_); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12146
diff
changeset
|
396 |
2008 | 397 virtual void emit(CodeBuffer& cbuf, PhaseRegAlloc* ra_) const; |
398 virtual uint size(PhaseRegAlloc* ra_) const; | |
399 virtual bool pinned() const { return UseRDPCForConstantTableBase; } | |
400 | |
401 static const RegMask& static_out_RegMask() { return _out_RegMask; } | |
402 virtual const RegMask& out_RegMask() const { return static_out_RegMask(); } | |
403 | |
404 #ifndef PRODUCT | |
405 virtual const char* Name() const { return "MachConstantBaseNode"; } | |
406 virtual void format(PhaseRegAlloc*, outputStream* st) const; | |
407 #endif | |
408 }; | |
409 | |
410 //------------------------------MachConstantNode------------------------------- | |
411 // Machine node that holds a constant which is stored in the constant table. | |
6179
8c92982cbbc4
7119644: Increase superword's vector size up to 256 bits
kvn
parents:
4120
diff
changeset
|
412 class MachConstantNode : public MachTypeNode { |
2008 | 413 protected: |
414 Compile::Constant _constant; // This node's constant. | |
415 | |
416 public: | |
6179
8c92982cbbc4
7119644: Increase superword's vector size up to 256 bits
kvn
parents:
4120
diff
changeset
|
417 MachConstantNode() : MachTypeNode() { |
2008 | 418 init_class_id(Class_MachConstant); |
419 } | |
420 | |
421 virtual void eval_constant(Compile* C) { | |
422 #ifdef ASSERT | |
423 tty->print("missing MachConstantNode eval_constant function: "); | |
424 dump(); | |
425 #endif | |
426 ShouldNotCallThis(); | |
427 } | |
428 | |
429 virtual const RegMask &in_RegMask(uint idx) const { | |
430 if (idx == mach_constant_base_node_input()) | |
431 return MachConstantBaseNode::static_out_RegMask(); | |
432 return MachNode::in_RegMask(idx); | |
433 } | |
434 | |
435 // Input edge of MachConstantBaseNode. | |
14434
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
436 virtual uint mach_constant_base_node_input() const { return req() - 1; } |
2008 | 437 |
438 int constant_offset(); | |
439 int constant_offset() const { return ((MachConstantNode*) this)->constant_offset(); } | |
14431
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
440 // Unchecked version to avoid assertions in debug output. |
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
441 int constant_offset_unchecked() const; |
2008 | 442 }; |
443 | |
0 | 444 //------------------------------MachUEPNode----------------------------------- |
445 // Machine Unvalidated Entry Point Node | |
446 class MachUEPNode : public MachIdealNode { | |
447 public: | |
448 MachUEPNode( ) {} | |
449 virtual void emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const; | |
450 virtual uint size(PhaseRegAlloc *ra_) const; | |
451 | |
452 #ifndef PRODUCT | |
453 virtual const char *Name() const { return "Unvalidated-Entry-Point"; } | |
454 virtual void format( PhaseRegAlloc *, outputStream *st ) const; | |
455 #endif | |
456 }; | |
457 | |
458 //------------------------------MachPrologNode-------------------------------- | |
459 // Machine function Prolog Node | |
460 class MachPrologNode : public MachIdealNode { | |
461 public: | |
462 MachPrologNode( ) {} | |
463 virtual void emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const; | |
464 virtual uint size(PhaseRegAlloc *ra_) const; | |
465 virtual int reloc() const; | |
466 | |
467 #ifndef PRODUCT | |
468 virtual const char *Name() const { return "Prolog"; } | |
469 virtual void format( PhaseRegAlloc *, outputStream *st ) const; | |
470 #endif | |
471 }; | |
472 | |
473 //------------------------------MachEpilogNode-------------------------------- | |
474 // Machine function Epilog Node | |
475 class MachEpilogNode : public MachIdealNode { | |
476 public: | |
477 MachEpilogNode(bool do_poll = false) : _do_polling(do_poll) {} | |
478 virtual void emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const; | |
479 virtual uint size(PhaseRegAlloc *ra_) const; | |
480 virtual int reloc() const; | |
481 virtual const Pipeline *pipeline() const; | |
482 | |
483 private: | |
484 bool _do_polling; | |
485 | |
486 public: | |
487 bool do_polling() const { return _do_polling; } | |
488 | |
489 // Offset of safepoint from the beginning of the node | |
490 int safepoint_offset() const; | |
491 | |
492 #ifndef PRODUCT | |
493 virtual const char *Name() const { return "Epilog"; } | |
494 virtual void format( PhaseRegAlloc *, outputStream *st ) const; | |
495 #endif | |
496 }; | |
497 | |
498 //------------------------------MachNopNode----------------------------------- | |
499 // Machine function Nop Node | |
500 class MachNopNode : public MachIdealNode { | |
501 private: | |
502 int _count; | |
503 public: | |
504 MachNopNode( ) : _count(1) {} | |
505 MachNopNode( int count ) : _count(count) {} | |
506 virtual void emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const; | |
507 virtual uint size(PhaseRegAlloc *ra_) const; | |
508 | |
509 virtual const class Type *bottom_type() const { return Type::CONTROL; } | |
510 | |
511 virtual int ideal_Opcode() const { return Op_Con; } // bogus; see output.cpp | |
512 virtual const Pipeline *pipeline() const; | |
513 #ifndef PRODUCT | |
514 virtual const char *Name() const { return "Nop"; } | |
515 virtual void format( PhaseRegAlloc *, outputStream *st ) const; | |
516 virtual void dump_spec(outputStream *st) const { } // No per-operand info | |
517 #endif | |
518 }; | |
519 | |
520 //------------------------------MachSpillCopyNode------------------------------ | |
521 // Machine SpillCopy Node. Copies 1 or 2 words from any location to any | |
522 // location (stack or register). | |
523 class MachSpillCopyNode : public MachIdealNode { | |
524 const RegMask *_in; // RegMask for input | |
525 const RegMask *_out; // RegMask for output | |
526 const Type *_type; | |
527 public: | |
528 MachSpillCopyNode( Node *n, const RegMask &in, const RegMask &out ) : | |
529 MachIdealNode(), _in(&in), _out(&out), _type(n->bottom_type()) { | |
530 init_class_id(Class_MachSpillCopy); | |
531 init_flags(Flag_is_Copy); | |
532 add_req(NULL); | |
533 add_req(n); | |
534 } | |
535 virtual uint size_of() const { return sizeof(*this); } | |
536 void set_out_RegMask(const RegMask &out) { _out = &out; } | |
537 void set_in_RegMask(const RegMask &in) { _in = ∈ } | |
538 virtual const RegMask &out_RegMask() const { return *_out; } | |
539 virtual const RegMask &in_RegMask(uint) const { return *_in; } | |
540 virtual const class Type *bottom_type() const { return _type; } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6179
diff
changeset
|
541 virtual uint ideal_reg() const { return _type->ideal_reg(); } |
0 | 542 virtual uint oper_input_base() const { return 1; } |
543 uint implementation( CodeBuffer *cbuf, PhaseRegAlloc *ra_, bool do_size, outputStream* st ) const; | |
544 | |
545 virtual void emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const; | |
546 virtual uint size(PhaseRegAlloc *ra_) const; | |
547 | |
548 #ifndef PRODUCT | |
549 virtual const char *Name() const { return "MachSpillCopy"; } | |
550 virtual void format( PhaseRegAlloc *, outputStream *st ) const; | |
551 #endif | |
552 }; | |
553 | |
3853
11211f7cb5a0
7079317: Incorrect branch's destination block in PrintoOptoAssembly output
kvn
parents:
3851
diff
changeset
|
554 //------------------------------MachBranchNode-------------------------------- |
11211f7cb5a0
7079317: Incorrect branch's destination block in PrintoOptoAssembly output
kvn
parents:
3851
diff
changeset
|
555 // Abstract machine branch Node |
11211f7cb5a0
7079317: Incorrect branch's destination block in PrintoOptoAssembly output
kvn
parents:
3851
diff
changeset
|
556 class MachBranchNode : public MachIdealNode { |
11211f7cb5a0
7079317: Incorrect branch's destination block in PrintoOptoAssembly output
kvn
parents:
3851
diff
changeset
|
557 public: |
11211f7cb5a0
7079317: Incorrect branch's destination block in PrintoOptoAssembly output
kvn
parents:
3851
diff
changeset
|
558 MachBranchNode() : MachIdealNode() { |
11211f7cb5a0
7079317: Incorrect branch's destination block in PrintoOptoAssembly output
kvn
parents:
3851
diff
changeset
|
559 init_class_id(Class_MachBranch); |
11211f7cb5a0
7079317: Incorrect branch's destination block in PrintoOptoAssembly output
kvn
parents:
3851
diff
changeset
|
560 } |
11211f7cb5a0
7079317: Incorrect branch's destination block in PrintoOptoAssembly output
kvn
parents:
3851
diff
changeset
|
561 virtual void label_set(Label* label, uint block_num) = 0; |
11211f7cb5a0
7079317: Incorrect branch's destination block in PrintoOptoAssembly output
kvn
parents:
3851
diff
changeset
|
562 virtual void save_label(Label** label, uint* block_num) = 0; |
11211f7cb5a0
7079317: Incorrect branch's destination block in PrintoOptoAssembly output
kvn
parents:
3851
diff
changeset
|
563 |
11211f7cb5a0
7079317: Incorrect branch's destination block in PrintoOptoAssembly output
kvn
parents:
3851
diff
changeset
|
564 // Support for short branches |
11211f7cb5a0
7079317: Incorrect branch's destination block in PrintoOptoAssembly output
kvn
parents:
3851
diff
changeset
|
565 virtual MachNode *short_branch_version(Compile* C) { return NULL; } |
11211f7cb5a0
7079317: Incorrect branch's destination block in PrintoOptoAssembly output
kvn
parents:
3851
diff
changeset
|
566 |
11211f7cb5a0
7079317: Incorrect branch's destination block in PrintoOptoAssembly output
kvn
parents:
3851
diff
changeset
|
567 virtual bool pinned() const { return true; }; |
11211f7cb5a0
7079317: Incorrect branch's destination block in PrintoOptoAssembly output
kvn
parents:
3851
diff
changeset
|
568 }; |
11211f7cb5a0
7079317: Incorrect branch's destination block in PrintoOptoAssembly output
kvn
parents:
3851
diff
changeset
|
569 |
0 | 570 //------------------------------MachNullChkNode-------------------------------- |
571 // Machine-dependent null-pointer-check Node. Points a real MachNode that is | |
572 // also some kind of memory op. Turns the indicated MachNode into a | |
573 // conditional branch with good latency on the ptr-not-null path and awful | |
574 // latency on the pointer-is-null path. | |
575 | |
3853
11211f7cb5a0
7079317: Incorrect branch's destination block in PrintoOptoAssembly output
kvn
parents:
3851
diff
changeset
|
576 class MachNullCheckNode : public MachBranchNode { |
0 | 577 public: |
578 const uint _vidx; // Index of memop being tested | |
3853
11211f7cb5a0
7079317: Incorrect branch's destination block in PrintoOptoAssembly output
kvn
parents:
3851
diff
changeset
|
579 MachNullCheckNode( Node *ctrl, Node *memop, uint vidx ) : MachBranchNode(), _vidx(vidx) { |
0 | 580 init_class_id(Class_MachNullCheck); |
581 add_req(ctrl); | |
582 add_req(memop); | |
583 } | |
3853
11211f7cb5a0
7079317: Incorrect branch's destination block in PrintoOptoAssembly output
kvn
parents:
3851
diff
changeset
|
584 virtual uint size_of() const { return sizeof(*this); } |
0 | 585 |
586 virtual void emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const; | |
3839 | 587 virtual void label_set(Label* label, uint block_num); |
3853
11211f7cb5a0
7079317: Incorrect branch's destination block in PrintoOptoAssembly output
kvn
parents:
3851
diff
changeset
|
588 virtual void save_label(Label** label, uint* block_num); |
0 | 589 virtual void negate() { } |
590 virtual const class Type *bottom_type() const { return TypeTuple::IFBOTH; } | |
591 virtual uint ideal_reg() const { return NotAMachineReg; } | |
592 virtual const RegMask &in_RegMask(uint) const; | |
593 virtual const RegMask &out_RegMask() const { return RegMask::Empty; } | |
594 #ifndef PRODUCT | |
595 virtual const char *Name() const { return "NullCheck"; } | |
596 virtual void format( PhaseRegAlloc *, outputStream *st ) const; | |
597 #endif | |
598 }; | |
599 | |
600 //------------------------------MachProjNode---------------------------------- | |
601 // Machine-dependent Ideal projections (how is that for an oxymoron). Really | |
602 // just MachNodes made by the Ideal world that replicate simple projections | |
603 // but with machine-dependent input & output register masks. Generally | |
604 // produced as part of calling conventions. Normally I make MachNodes as part | |
605 // of the Matcher process, but the Matcher is ill suited to issues involving | |
606 // frame handling, so frame handling is all done in the Ideal world with | |
607 // occasional callbacks to the machine model for important info. | |
608 class MachProjNode : public ProjNode { | |
609 public: | |
3842 | 610 MachProjNode( Node *multi, uint con, const RegMask &out, uint ideal_reg ) : ProjNode(multi,con), _rout(out), _ideal_reg(ideal_reg) { |
611 init_class_id(Class_MachProj); | |
612 } | |
0 | 613 RegMask _rout; |
614 const uint _ideal_reg; | |
615 enum projType { | |
616 unmatched_proj = 0, // Projs for Control, I/O, memory not matched | |
617 fat_proj = 999 // Projs killing many regs, defined by _rout | |
618 }; | |
619 virtual int Opcode() const; | |
620 virtual const Type *bottom_type() const; | |
621 virtual const TypePtr *adr_type() const; | |
622 virtual const RegMask &in_RegMask(uint) const { return RegMask::Empty; } | |
623 virtual const RegMask &out_RegMask() const { return _rout; } | |
624 virtual uint ideal_reg() const { return _ideal_reg; } | |
625 // Need size_of() for virtual ProjNode::clone() | |
626 virtual uint size_of() const { return sizeof(MachProjNode); } | |
627 #ifndef PRODUCT | |
628 virtual void dump_spec(outputStream *st) const; | |
629 #endif | |
630 }; | |
631 | |
632 //------------------------------MachIfNode------------------------------------- | |
633 // Machine-specific versions of IfNodes | |
3853
11211f7cb5a0
7079317: Incorrect branch's destination block in PrintoOptoAssembly output
kvn
parents:
3851
diff
changeset
|
634 class MachIfNode : public MachBranchNode { |
0 | 635 virtual uint size_of() const { return sizeof(*this); } // Size is bigger |
636 public: | |
637 float _prob; // Probability branch goes either way | |
638 float _fcnt; // Frequency counter | |
3853
11211f7cb5a0
7079317: Incorrect branch's destination block in PrintoOptoAssembly output
kvn
parents:
3851
diff
changeset
|
639 MachIfNode() : MachBranchNode() { |
0 | 640 init_class_id(Class_MachIf); |
641 } | |
3853
11211f7cb5a0
7079317: Incorrect branch's destination block in PrintoOptoAssembly output
kvn
parents:
3851
diff
changeset
|
642 // Negate conditional branches. |
11211f7cb5a0
7079317: Incorrect branch's destination block in PrintoOptoAssembly output
kvn
parents:
3851
diff
changeset
|
643 virtual void negate() = 0; |
0 | 644 #ifndef PRODUCT |
645 virtual void dump_spec(outputStream *st) const; | |
646 #endif | |
647 }; | |
648 | |
3842 | 649 //------------------------------MachGotoNode----------------------------------- |
650 // Machine-specific versions of GotoNodes | |
3853
11211f7cb5a0
7079317: Incorrect branch's destination block in PrintoOptoAssembly output
kvn
parents:
3851
diff
changeset
|
651 class MachGotoNode : public MachBranchNode { |
3842 | 652 public: |
3853
11211f7cb5a0
7079317: Incorrect branch's destination block in PrintoOptoAssembly output
kvn
parents:
3851
diff
changeset
|
653 MachGotoNode() : MachBranchNode() { |
3842 | 654 init_class_id(Class_MachGoto); |
655 } | |
656 }; | |
657 | |
0 | 658 //------------------------------MachFastLockNode------------------------------------- |
659 // Machine-specific versions of FastLockNodes | |
660 class MachFastLockNode : public MachNode { | |
661 virtual uint size_of() const { return sizeof(*this); } // Size is bigger | |
662 public: | |
17780 | 663 BiasedLockingCounters* _counters; |
664 RTMLockingCounters* _rtm_counters; // RTM lock counters for inflated locks | |
665 RTMLockingCounters* _stack_rtm_counters; // RTM lock counters for stack locks | |
0 | 666 MachFastLockNode() : MachNode() {} |
667 }; | |
668 | |
669 //------------------------------MachReturnNode-------------------------------- | |
670 // Machine-specific versions of subroutine returns | |
671 class MachReturnNode : public MachNode { | |
672 virtual uint size_of() const; // Size is bigger | |
673 public: | |
674 RegMask *_in_rms; // Input register masks, set during allocation | |
675 ReallocMark _nesting; // assertion check for reallocations | |
676 const TypePtr* _adr_type; // memory effects of call or return | |
677 MachReturnNode() : MachNode() { | |
678 init_class_id(Class_MachReturn); | |
679 _adr_type = TypePtr::BOTTOM; // the default: all of memory | |
680 } | |
681 | |
682 void set_adr_type(const TypePtr* atp) { _adr_type = atp; } | |
683 | |
684 virtual const RegMask &in_RegMask(uint) const; | |
685 virtual bool pinned() const { return true; }; | |
686 virtual const TypePtr *adr_type() const; | |
687 }; | |
688 | |
689 //------------------------------MachSafePointNode----------------------------- | |
690 // Machine-specific versions of safepoints | |
691 class MachSafePointNode : public MachReturnNode { | |
692 public: | |
693 OopMap* _oop_map; // Array of OopMap info (8-bit char) for GC | |
694 JVMState* _jvms; // Pointer to list of JVM State Objects | |
695 uint _jvmadj; // Extra delta to jvms indexes (mach. args) | |
696 OopMap* oop_map() const { return _oop_map; } | |
697 void set_oop_map(OopMap* om) { _oop_map = om; } | |
698 | |
699 MachSafePointNode() : MachReturnNode(), _oop_map(NULL), _jvms(NULL), _jvmadj(0) { | |
700 init_class_id(Class_MachSafePoint); | |
701 } | |
702 | |
703 virtual JVMState* jvms() const { return _jvms; } | |
704 void set_jvms(JVMState* s) { | |
705 _jvms = s; | |
706 } | |
707 virtual const Type *bottom_type() const; | |
708 | |
709 virtual const RegMask &in_RegMask(uint) const; | |
710 | |
711 // Functionality from old debug nodes | |
712 Node *returnadr() const { return in(TypeFunc::ReturnAdr); } | |
713 Node *frameptr () const { return in(TypeFunc::FramePtr); } | |
714 | |
715 Node *local(const JVMState* jvms, uint idx) const { | |
716 assert(verify_jvms(jvms), "jvms must match"); | |
717 return in(_jvmadj + jvms->locoff() + idx); | |
718 } | |
719 Node *stack(const JVMState* jvms, uint idx) const { | |
720 assert(verify_jvms(jvms), "jvms must match"); | |
721 return in(_jvmadj + jvms->stkoff() + idx); | |
722 } | |
723 Node *monitor_obj(const JVMState* jvms, uint idx) const { | |
724 assert(verify_jvms(jvms), "jvms must match"); | |
725 return in(_jvmadj + jvms->monitor_obj_offset(idx)); | |
726 } | |
727 Node *monitor_box(const JVMState* jvms, uint idx) const { | |
728 assert(verify_jvms(jvms), "jvms must match"); | |
729 return in(_jvmadj + jvms->monitor_box_offset(idx)); | |
730 } | |
731 void set_local(const JVMState* jvms, uint idx, Node *c) { | |
732 assert(verify_jvms(jvms), "jvms must match"); | |
733 set_req(_jvmadj + jvms->locoff() + idx, c); | |
734 } | |
735 void set_stack(const JVMState* jvms, uint idx, Node *c) { | |
736 assert(verify_jvms(jvms), "jvms must match"); | |
737 set_req(_jvmadj + jvms->stkoff() + idx, c); | |
738 } | |
739 void set_monitor(const JVMState* jvms, uint idx, Node *c) { | |
740 assert(verify_jvms(jvms), "jvms must match"); | |
741 set_req(_jvmadj + jvms->monoff() + idx, c); | |
742 } | |
743 }; | |
744 | |
745 //------------------------------MachCallNode---------------------------------- | |
746 // Machine-specific versions of subroutine calls | |
747 class MachCallNode : public MachSafePointNode { | |
748 protected: | |
749 virtual uint hash() const { return NO_HASH; } // CFG nodes do not hash | |
750 virtual uint cmp( const Node &n ) const; | |
751 virtual uint size_of() const = 0; // Size is bigger | |
752 public: | |
753 const TypeFunc *_tf; // Function type | |
754 address _entry_point; // Address of the method being called | |
755 float _cnt; // Estimate of number of times called | |
756 uint _argsize; // Size of argument block on stack | |
757 | |
758 const TypeFunc* tf() const { return _tf; } | |
759 const address entry_point() const { return _entry_point; } | |
760 const float cnt() const { return _cnt; } | |
761 uint argsize() const { return _argsize; } | |
762 | |
763 void set_tf(const TypeFunc* tf) { _tf = tf; } | |
764 void set_entry_point(address p) { _entry_point = p; } | |
765 void set_cnt(float c) { _cnt = c; } | |
766 void set_argsize(int s) { _argsize = s; } | |
767 | |
768 MachCallNode() : MachSafePointNode() { | |
769 init_class_id(Class_MachCall); | |
770 } | |
771 | |
772 virtual const Type *bottom_type() const; | |
773 virtual bool pinned() const { return false; } | |
774 virtual const Type *Value( PhaseTransform *phase ) const; | |
775 virtual const RegMask &in_RegMask(uint) const; | |
776 virtual int ret_addr_offset() { return 0; } | |
777 | |
778 bool returns_long() const { return tf()->return_type() == T_LONG; } | |
779 bool return_value_is_used() const; | |
780 #ifndef PRODUCT | |
781 virtual void dump_spec(outputStream *st) const; | |
782 #endif | |
783 }; | |
784 | |
785 //------------------------------MachCallJavaNode------------------------------ | |
786 // "Base" class for machine-specific versions of subroutine calls | |
787 class MachCallJavaNode : public MachCallNode { | |
788 protected: | |
789 virtual uint cmp( const Node &n ) const; | |
790 virtual uint size_of() const; // Size is bigger | |
791 public: | |
792 ciMethod* _method; // Method being direct called | |
793 int _bci; // Byte Code index of call byte code | |
794 bool _optimized_virtual; // Tells if node is a static call or an optimized virtual | |
1137 | 795 bool _method_handle_invoke; // Tells if the call has to preserve SP |
0 | 796 MachCallJavaNode() : MachCallNode() { |
797 init_class_id(Class_MachCallJava); | |
798 } | |
1137 | 799 |
800 virtual const RegMask &in_RegMask(uint) const; | |
801 | |
0 | 802 #ifndef PRODUCT |
803 virtual void dump_spec(outputStream *st) const; | |
804 #endif | |
805 }; | |
806 | |
807 //------------------------------MachCallStaticJavaNode------------------------ | |
808 // Machine-specific versions of monomorphic subroutine calls | |
809 class MachCallStaticJavaNode : public MachCallJavaNode { | |
810 virtual uint cmp( const Node &n ) const; | |
811 virtual uint size_of() const; // Size is bigger | |
812 public: | |
813 const char *_name; // Runtime wrapper name | |
814 MachCallStaticJavaNode() : MachCallJavaNode() { | |
815 init_class_id(Class_MachCallStaticJava); | |
816 } | |
817 | |
818 // If this is an uncommon trap, return the request code, else zero. | |
819 int uncommon_trap_request() const; | |
820 | |
821 virtual int ret_addr_offset(); | |
822 #ifndef PRODUCT | |
823 virtual void dump_spec(outputStream *st) const; | |
824 void dump_trap_args(outputStream *st) const; | |
825 #endif | |
826 }; | |
827 | |
828 //------------------------------MachCallDynamicJavaNode------------------------ | |
829 // Machine-specific versions of possibly megamorphic subroutine calls | |
830 class MachCallDynamicJavaNode : public MachCallJavaNode { | |
831 public: | |
832 int _vtable_index; | |
833 MachCallDynamicJavaNode() : MachCallJavaNode() { | |
834 init_class_id(Class_MachCallDynamicJava); | |
835 DEBUG_ONLY(_vtable_index = -99); // throw an assert if uninitialized | |
836 } | |
837 virtual int ret_addr_offset(); | |
838 #ifndef PRODUCT | |
839 virtual void dump_spec(outputStream *st) const; | |
840 #endif | |
841 }; | |
842 | |
843 //------------------------------MachCallRuntimeNode---------------------------- | |
844 // Machine-specific versions of subroutine calls | |
845 class MachCallRuntimeNode : public MachCallNode { | |
846 virtual uint cmp( const Node &n ) const; | |
847 virtual uint size_of() const; // Size is bigger | |
848 public: | |
849 const char *_name; // Printable name, if _method is NULL | |
850 MachCallRuntimeNode() : MachCallNode() { | |
851 init_class_id(Class_MachCallRuntime); | |
852 } | |
853 virtual int ret_addr_offset(); | |
854 #ifndef PRODUCT | |
855 virtual void dump_spec(outputStream *st) const; | |
856 #endif | |
857 }; | |
858 | |
859 class MachCallLeafNode: public MachCallRuntimeNode { | |
860 public: | |
861 MachCallLeafNode() : MachCallRuntimeNode() { | |
862 init_class_id(Class_MachCallLeaf); | |
863 } | |
864 }; | |
865 | |
866 //------------------------------MachHaltNode----------------------------------- | |
867 // Machine-specific versions of halt nodes | |
868 class MachHaltNode : public MachReturnNode { | |
869 public: | |
870 virtual JVMState* jvms() const; | |
871 }; | |
872 | |
873 | |
874 //------------------------------MachTempNode----------------------------------- | |
875 // Node used by the adlc to construct inputs to represent temporary registers | |
876 class MachTempNode : public MachNode { | |
877 private: | |
878 MachOper *_opnd_array[1]; | |
879 | |
880 public: | |
881 virtual const RegMask &out_RegMask() const { return *_opnds[0]->in_RegMask(0); } | |
882 virtual uint rule() const { return 9999999; } | |
883 virtual void emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const {} | |
884 | |
885 MachTempNode(MachOper* oper) { | |
886 init_class_id(Class_MachTemp); | |
887 _num_opnds = 1; | |
888 _opnds = _opnd_array; | |
889 add_req(NULL); | |
890 _opnds[0] = oper; | |
891 } | |
892 virtual uint size_of() const { return sizeof(MachTempNode); } | |
893 | |
894 #ifndef PRODUCT | |
895 virtual void format(PhaseRegAlloc *, outputStream *st ) const {} | |
896 virtual const char *Name() const { return "MachTemp";} | |
897 #endif | |
898 }; | |
899 | |
900 | |
901 | |
902 //------------------------------labelOper-------------------------------------- | |
903 // Machine-independent version of label operand | |
904 class labelOper : public MachOper { | |
905 private: | |
906 virtual uint num_edges() const { return 0; } | |
907 public: | |
908 // Supported for fixed size branches | |
909 Label* _label; // Label for branch(es) | |
910 | |
911 uint _block_num; | |
912 | |
913 labelOper() : _block_num(0), _label(0) {} | |
914 | |
915 labelOper(Label* label, uint block_num) : _label(label), _block_num(block_num) {} | |
916 | |
917 labelOper(labelOper* l) : _label(l->_label) , _block_num(l->_block_num) {} | |
918 | |
919 virtual MachOper *clone(Compile* C) const; | |
920 | |
3839 | 921 virtual Label *label() const { assert(_label != NULL, "need Label"); return _label; } |
0 | 922 |
923 virtual uint opcode() const; | |
924 | |
925 virtual uint hash() const; | |
926 virtual uint cmp( const MachOper &oper ) const; | |
927 #ifndef PRODUCT | |
928 virtual const char *Name() const { return "Label";} | |
929 | |
930 virtual void int_format(PhaseRegAlloc *ra, const MachNode *node, outputStream *st) const; | |
931 virtual void ext_format(PhaseRegAlloc *ra, const MachNode *node, int idx, outputStream *st) const { int_format( ra, node, st ); } | |
932 #endif | |
933 }; | |
934 | |
935 | |
936 //------------------------------methodOper-------------------------------------- | |
937 // Machine-independent version of method operand | |
938 class methodOper : public MachOper { | |
939 private: | |
940 virtual uint num_edges() const { return 0; } | |
941 public: | |
942 intptr_t _method; // Address of method | |
943 methodOper() : _method(0) {} | |
944 methodOper(intptr_t method) : _method(method) {} | |
945 | |
946 virtual MachOper *clone(Compile* C) const; | |
947 | |
948 virtual intptr_t method() const { return _method; } | |
949 | |
950 virtual uint opcode() const; | |
951 | |
952 virtual uint hash() const; | |
953 virtual uint cmp( const MachOper &oper ) const; | |
954 #ifndef PRODUCT | |
955 virtual const char *Name() const { return "Method";} | |
956 | |
957 virtual void int_format(PhaseRegAlloc *ra, const MachNode *node, outputStream *st) const; | |
958 virtual void ext_format(PhaseRegAlloc *ra, const MachNode *node, int idx, outputStream *st) const { int_format( ra, node, st ); } | |
959 #endif | |
960 }; | |
1972 | 961 |
962 #endif // SHARE_VM_OPTO_MACHNODE_HPP |