1 /*
2 * Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved.
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 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 #ifndef SHARE_VM_OPTO_VECTORNODE_HPP
25 #define SHARE_VM_OPTO_VECTORNODE_HPP
26
27 #include "opto/matcher.hpp"
28 #include "opto/memnode.hpp"
29 #include "opto/node.hpp"
30 #include "opto/opcodes.hpp"
31
32 //------------------------------VectorNode--------------------------------------
33 // Vector Operation
34 class VectorNode : public TypeNode {
35 public:
36
37 VectorNode(Node* n1, const TypeVect* vt) : TypeNode(vt, 2) {
38 init_class_id(Class_Vector);
39 init_req(1, n1);
40 }
41 VectorNode(Node* n1, Node* n2, const TypeVect* vt) : TypeNode(vt, 3) {
42 init_class_id(Class_Vector);
43 init_req(1, n1);
44 init_req(2, n2);
45 }
46
47 const TypeVect* vect_type() const { return type()->is_vect(); }
48 uint length() const { return vect_type()->length(); } // Vector length
49 uint length_in_bytes() const { return vect_type()->length_in_bytes(); }
50
51 virtual int Opcode() const;
52
53 virtual uint ideal_reg() const { return Matcher::vector_ideal_reg(vect_type()->length_in_bytes()); }
54
55 static VectorNode* scalar2vector(Compile* C, Node* s, uint vlen, const Type* opd_t);
56
57 static VectorNode* make(Compile* C, int opc, Node* n1, Node* n2, uint vlen, BasicType bt);
58
59 static int opcode(int opc, BasicType bt);
60 static bool implemented(int opc, uint vlen, BasicType bt);
61 static bool is_shift(Node* n);
62 static bool is_invariant_vector(Node* n);
63 // [Start, end) half-open range defining which operands are vectors
64 static void vector_operands(Node* n, uint* start, uint* end);
65 };
66
67 //===========================Vector=ALU=Operations====================================
68
69 //------------------------------AddVBNode---------------------------------------
70 // Vector add byte
71 class AddVBNode : public VectorNode {
72 public:
73 AddVBNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
74 virtual int Opcode() const;
75 };
76
77 //------------------------------AddVSNode---------------------------------------
78 // Vector add char/short
79 class AddVSNode : public VectorNode {
80 public:
81 AddVSNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
82 virtual int Opcode() const;
83 };
84
85 //------------------------------AddVINode---------------------------------------
86 // Vector add int
87 class AddVINode : public VectorNode {
88 public:
89 AddVINode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
90 virtual int Opcode() const;
91 };
92
93 //------------------------------AddVLNode---------------------------------------
94 // Vector add long
95 class AddVLNode : public VectorNode {
96 public:
97 AddVLNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
98 virtual int Opcode() const;
99 };
100
101 //------------------------------AddVFNode---------------------------------------
102 // Vector add float
103 class AddVFNode : public VectorNode {
104 public:
105 AddVFNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
106 virtual int Opcode() const;
107 };
108
109 //------------------------------AddVDNode---------------------------------------
110 // Vector add double
111 class AddVDNode : public VectorNode {
112 public:
113 AddVDNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
114 virtual int Opcode() const;
115 };
116
117 //------------------------------SubVBNode---------------------------------------
118 // Vector subtract byte
119 class SubVBNode : public VectorNode {
120 public:
121 SubVBNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
122 virtual int Opcode() const;
123 };
124
125 //------------------------------SubVSNode---------------------------------------
126 // Vector subtract short
127 class SubVSNode : public VectorNode {
128 public:
129 SubVSNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
130 virtual int Opcode() const;
131 };
132
133 //------------------------------SubVINode---------------------------------------
134 // Vector subtract int
135 class SubVINode : public VectorNode {
136 public:
137 SubVINode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
138 virtual int Opcode() const;
139 };
140
141 //------------------------------SubVLNode---------------------------------------
142 // Vector subtract long
143 class SubVLNode : public VectorNode {
144 public:
145 SubVLNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
146 virtual int Opcode() const;
147 };
148
149 //------------------------------SubVFNode---------------------------------------
150 // Vector subtract float
151 class SubVFNode : public VectorNode {
152 public:
153 SubVFNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
154 virtual int Opcode() const;
155 };
156
157 //------------------------------SubVDNode---------------------------------------
158 // Vector subtract double
159 class SubVDNode : public VectorNode {
160 public:
161 SubVDNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
162 virtual int Opcode() const;
163 };
164
165 //------------------------------MulVSNode---------------------------------------
166 // Vector multiply short
167 class MulVSNode : public VectorNode {
168 public:
169 MulVSNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
170 virtual int Opcode() const;
171 };
172
173 //------------------------------MulVINode---------------------------------------
174 // Vector multiply int
175 class MulVINode : public VectorNode {
176 public:
177 MulVINode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
178 virtual int Opcode() const;
179 };
180
181 //------------------------------MulVFNode---------------------------------------
182 // Vector multiply float
183 class MulVFNode : public VectorNode {
184 public:
185 MulVFNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
186 virtual int Opcode() const;
187 };
188
189 //------------------------------MulVDNode---------------------------------------
190 // Vector multiply double
191 class MulVDNode : public VectorNode {
192 public:
193 MulVDNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
194 virtual int Opcode() const;
195 };
196
197 //------------------------------DivVFNode---------------------------------------
198 // Vector divide float
199 class DivVFNode : public VectorNode {
200 public:
201 DivVFNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
202 virtual int Opcode() const;
203 };
204
205 //------------------------------DivVDNode---------------------------------------
206 // Vector Divide double
207 class DivVDNode : public VectorNode {
208 public:
209 DivVDNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
210 virtual int Opcode() const;
211 };
212
213 //------------------------------LShiftVBNode---------------------------------------
214 // Vector left shift bytes
215 class LShiftVBNode : public VectorNode {
216 public:
217 LShiftVBNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
218 virtual int Opcode() const;
219 };
220
221 //------------------------------LShiftVSNode---------------------------------------
222 // Vector left shift shorts
223 class LShiftVSNode : public VectorNode {
224 public:
225 LShiftVSNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
226 virtual int Opcode() const;
227 };
228
229 //------------------------------LShiftVINode---------------------------------------
230 // Vector left shift ints
231 class LShiftVINode : public VectorNode {
232 public:
233 LShiftVINode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
234 virtual int Opcode() const;
235 };
236
237 //------------------------------LShiftVLNode---------------------------------------
238 // Vector left shift longs
239 class LShiftVLNode : public VectorNode {
240 public:
241 LShiftVLNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
242 virtual int Opcode() const;
243 };
244
245 //------------------------------RShiftVBNode---------------------------------------
246 // Vector right arithmetic (signed) shift bytes
247 class RShiftVBNode : public VectorNode {
248 public:
249 RShiftVBNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
250 virtual int Opcode() const;
251 };
252
253 //------------------------------RShiftVSNode---------------------------------------
254 // Vector right arithmetic (signed) shift shorts
255 class RShiftVSNode : public VectorNode {
256 public:
257 RShiftVSNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
258 virtual int Opcode() const;
259 };
260
261 //------------------------------RShiftVINode---------------------------------------
262 // Vector right arithmetic (signed) shift ints
263 class RShiftVINode : public VectorNode {
264 public:
265 RShiftVINode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
266 virtual int Opcode() const;
267 };
268
269 //------------------------------RShiftVLNode---------------------------------------
270 // Vector right arithmetic (signed) shift longs
271 class RShiftVLNode : public VectorNode {
272 public:
273 RShiftVLNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
274 virtual int Opcode() const;
275 };
276
277 //------------------------------URShiftVBNode---------------------------------------
278 // Vector right logical (unsigned) shift bytes
279 class URShiftVBNode : public VectorNode {
280 public:
281 URShiftVBNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
282 virtual int Opcode() const;
283 };
284
285 //------------------------------URShiftVSNode---------------------------------------
286 // Vector right logical (unsigned) shift shorts
287 class URShiftVSNode : public VectorNode {
288 public:
289 URShiftVSNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
290 virtual int Opcode() const;
291 };
292
293 //------------------------------URShiftVINode---------------------------------------
294 // Vector right logical (unsigned) shift ints
295 class URShiftVINode : public VectorNode {
296 public:
297 URShiftVINode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
298 virtual int Opcode() const;
299 };
300
301 //------------------------------URShiftVLNode---------------------------------------
302 // Vector right logical (unsigned) shift longs
303 class URShiftVLNode : public VectorNode {
304 public:
305 URShiftVLNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
306 virtual int Opcode() const;
307 };
308
309
310 //------------------------------AndVNode---------------------------------------
311 // Vector and integer
312 class AndVNode : public VectorNode {
313 public:
314 AndVNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
315 virtual int Opcode() const;
316 };
317
318 //------------------------------OrVNode---------------------------------------
319 // Vector or integer
320 class OrVNode : public VectorNode {
321 public:
322 OrVNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
323 virtual int Opcode() const;
324 };
325
326 //------------------------------XorVNode---------------------------------------
327 // Vector xor integer
328 class XorVNode : public VectorNode {
329 public:
330 XorVNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
331 virtual int Opcode() const;
332 };
333
334 //================================= M E M O R Y ===============================
335
336 //------------------------------LoadVectorNode---------------------------------
337 // Load Vector from memory
338 class LoadVectorNode : public LoadNode {
339 public:
340 LoadVectorNode(Node* c, Node* mem, Node* adr, const TypePtr* at, const TypeVect* vt)
341 : LoadNode(c, mem, adr, at, vt) {
342 init_class_id(Class_LoadVector);
343 }
344
345 const TypeVect* vect_type() const { return type()->is_vect(); }
346 uint length() const { return vect_type()->length(); } // Vector length
347
348 virtual int Opcode() const;
349
350 virtual uint ideal_reg() const { return Matcher::vector_ideal_reg(memory_size()); }
351 virtual BasicType memory_type() const { return T_VOID; }
352 virtual int memory_size() const { return vect_type()->length_in_bytes(); }
353
354 virtual int store_Opcode() const { return Op_StoreVector; }
355
356 static LoadVectorNode* make(Compile* C, int opc, Node* ctl, Node* mem,
357 Node* adr, const TypePtr* atyp, uint vlen, BasicType bt);
358 };
359
360 //------------------------------StoreVectorNode--------------------------------
361 // Store Vector to memory
362 class StoreVectorNode : public StoreNode {
363 public:
364 StoreVectorNode(Node* c, Node* mem, Node* adr, const TypePtr* at, Node* val)
365 : StoreNode(c, mem, adr, at, val) {
366 assert(val->is_Vector() || val->is_LoadVector(), "sanity");
367 init_class_id(Class_StoreVector);
368 }
369
370 const TypeVect* vect_type() const { return in(MemNode::ValueIn)->bottom_type()->is_vect(); }
371 uint length() const { return vect_type()->length(); } // Vector length
372
373 virtual int Opcode() const;
374
375 virtual uint ideal_reg() const { return Matcher::vector_ideal_reg(memory_size()); }
376 virtual BasicType memory_type() const { return T_VOID; }
377 virtual int memory_size() const { return vect_type()->length_in_bytes(); }
378
379 static StoreVectorNode* make(Compile* C, int opc, Node* ctl, Node* mem,
380 Node* adr, const TypePtr* atyp, Node* val,
381 uint vlen);
382 };
383
384
385 //=========================Promote_Scalar_to_Vector============================
386
387 //------------------------------ReplicateBNode---------------------------------
388 // Replicate byte scalar to be vector
389 class ReplicateBNode : public VectorNode {
390 public:
391 ReplicateBNode(Node* in1, const TypeVect* vt) : VectorNode(in1, vt) {}
392 virtual int Opcode() const;
393 };
394
395 //------------------------------ReplicateSNode---------------------------------
396 // Replicate short scalar to be vector
397 class ReplicateSNode : public VectorNode {
398 public:
399 ReplicateSNode(Node* in1, const TypeVect* vt) : VectorNode(in1, vt) {}
400 virtual int Opcode() const;
401 };
402
403 //------------------------------ReplicateINode---------------------------------
404 // Replicate int scalar to be vector
405 class ReplicateINode : public VectorNode {
406 public:
407 ReplicateINode(Node* in1, const TypeVect* vt) : VectorNode(in1, vt) {}
408 virtual int Opcode() const;
409 };
410
411 //------------------------------ReplicateLNode---------------------------------
412 // Replicate long scalar to be vector
413 class ReplicateLNode : public VectorNode {
414 public:
415 ReplicateLNode(Node* in1, const TypeVect* vt) : VectorNode(in1, vt) {}
416 virtual int Opcode() const;
417 };
418
419 //------------------------------ReplicateFNode---------------------------------
420 // Replicate float scalar to be vector
421 class ReplicateFNode : public VectorNode {
422 public:
423 ReplicateFNode(Node* in1, const TypeVect* vt) : VectorNode(in1, vt) {}
424 virtual int Opcode() const;
425 };
426
427 //------------------------------ReplicateDNode---------------------------------
428 // Replicate double scalar to be vector
429 class ReplicateDNode : public VectorNode {
430 public:
431 ReplicateDNode(Node* in1, const TypeVect* vt) : VectorNode(in1, vt) {}
432 virtual int Opcode() const;
433 };
434
435 //========================Pack_Scalars_into_a_Vector===========================
436
437 //------------------------------PackNode---------------------------------------
438 // Pack parent class (not for code generation).
439 class PackNode : public VectorNode {
440 public:
441 PackNode(Node* in1, const TypeVect* vt) : VectorNode(in1, vt) {}
442 PackNode(Node* in1, Node* n2, const TypeVect* vt) : VectorNode(in1, n2, vt) {}
443 virtual int Opcode() const;
444
445 void add_opd(Node* n) {
446 add_req(n);
447 }
448
449 // Create a binary tree form for Packs. [lo, hi) (half-open) range
450 PackNode* binary_tree_pack(Compile* C, int lo, int hi);
451
452 static PackNode* make(Compile* C, Node* s, uint vlen, BasicType bt);
453 };
454
455 //------------------------------PackBNode---------------------------------------
456 // Pack byte scalars into vector
457 class PackBNode : public PackNode {
458 public:
459 PackBNode(Node* in1, const TypeVect* vt) : PackNode(in1, vt) {}
460 virtual int Opcode() const;
461 };
462
463 //------------------------------PackSNode---------------------------------------
464 // Pack short scalars into a vector
465 class PackSNode : public PackNode {
466 public:
467 PackSNode(Node* in1, const TypeVect* vt) : PackNode(in1, vt) {}
468 PackSNode(Node* in1, Node* in2, const TypeVect* vt) : PackNode(in1, in2, vt) {}
469 virtual int Opcode() const;
470 };
471
472 //------------------------------PackINode---------------------------------------
473 // Pack integer scalars into a vector
474 class PackINode : public PackNode {
475 public:
476 PackINode(Node* in1, const TypeVect* vt) : PackNode(in1, vt) {}
477 PackINode(Node* in1, Node* in2, const TypeVect* vt) : PackNode(in1, in2, vt) {}
478 virtual int Opcode() const;
479 };
480
481 //------------------------------PackLNode---------------------------------------
482 // Pack long scalars into a vector
483 class PackLNode : public PackNode {
484 public:
485 PackLNode(Node* in1, const TypeVect* vt) : PackNode(in1, vt) {}
486 PackLNode(Node* in1, Node* in2, const TypeVect* vt) : PackNode(in1, in2, vt) {}
487 virtual int Opcode() const;
488 };
489
490 //------------------------------Pack2LNode--------------------------------------
491 // Pack 2 long scalars into a vector
492 class Pack2LNode : public PackNode {
493 public:
494 Pack2LNode(Node* in1, Node* in2, const TypeVect* vt) : PackNode(in1, in2, vt) {}
495 virtual int Opcode() const;
496 };
497
498 //------------------------------PackFNode---------------------------------------
499 // Pack float scalars into vector
500 class PackFNode : public PackNode {
501 public:
502 PackFNode(Node* in1, const TypeVect* vt) : PackNode(in1, vt) {}
503 PackFNode(Node* in1, Node* in2, const TypeVect* vt) : PackNode(in1, in2, vt) {}
504 virtual int Opcode() const;
505 };
506
507 //------------------------------PackDNode---------------------------------------
508 // Pack double scalars into a vector
509 class PackDNode : public PackNode {
510 public:
511 PackDNode(Node* in1, const TypeVect* vt) : PackNode(in1, vt) {}
512 PackDNode(Node* in1, Node* in2, const TypeVect* vt) : PackNode(in1, in2, vt) {}
513 virtual int Opcode() const;
514 };
515
516 //------------------------------Pack2DNode--------------------------------------
517 // Pack 2 double scalars into a vector
518 class Pack2DNode : public PackNode {
519 public:
520 Pack2DNode(Node* in1, Node* in2, const TypeVect* vt) : PackNode(in1, in2, vt) {}
521 virtual int Opcode() const;
522 };
523
524
525 //========================Extract_Scalar_from_Vector===============================
526
527 //------------------------------ExtractNode---------------------------------------
528 // Extract a scalar from a vector at position "pos"
529 class ExtractNode : public Node {
530 public:
531 ExtractNode(Node* src, ConINode* pos) : Node(NULL, src, (Node*)pos) {
532 assert(in(2)->get_int() >= 0, "positive constants");
533 }
534 virtual int Opcode() const;
535 uint pos() const { return in(2)->get_int(); }
536
537 static Node* make(Compile* C, Node* v, uint position, BasicType bt);
538 };
539
540 //------------------------------ExtractBNode---------------------------------------
541 // Extract a byte from a vector at position "pos"
542 class ExtractBNode : public ExtractNode {
543 public:
544 ExtractBNode(Node* src, ConINode* pos) : ExtractNode(src, pos) {}
545 virtual int Opcode() const;
546 virtual const Type *bottom_type() const { return TypeInt::INT; }
547 virtual uint ideal_reg() const { return Op_RegI; }
548 };
549
550 //------------------------------ExtractUBNode--------------------------------------
551 // Extract a boolean from a vector at position "pos"
552 class ExtractUBNode : public ExtractNode {
553 public:
554 ExtractUBNode(Node* src, ConINode* pos) : ExtractNode(src, pos) {}
555 virtual int Opcode() const;
556 virtual const Type *bottom_type() const { return TypeInt::INT; }
557 virtual uint ideal_reg() const { return Op_RegI; }
558 };
559
560 //------------------------------ExtractCNode---------------------------------------
561 // Extract a char from a vector at position "pos"
562 class ExtractCNode : public ExtractNode {
563 public:
564 ExtractCNode(Node* src, ConINode* pos) : ExtractNode(src, pos) {}
565 virtual int Opcode() const;
566 virtual const Type *bottom_type() const { return TypeInt::INT; }
567 virtual uint ideal_reg() const { return Op_RegI; }
568 };
569
570 //------------------------------ExtractSNode---------------------------------------
571 // Extract a short from a vector at position "pos"
572 class ExtractSNode : public ExtractNode {
573 public:
574 ExtractSNode(Node* src, ConINode* pos) : ExtractNode(src, pos) {}
575 virtual int Opcode() const;
576 virtual const Type *bottom_type() const { return TypeInt::INT; }
577 virtual uint ideal_reg() const { return Op_RegI; }
578 };
579
580 //------------------------------ExtractINode---------------------------------------
581 // Extract an int from a vector at position "pos"
582 class ExtractINode : public ExtractNode {
583 public:
584 ExtractINode(Node* src, ConINode* pos) : ExtractNode(src, pos) {}
585 virtual int Opcode() const;
586 virtual const Type *bottom_type() const { return TypeInt::INT; }
587 virtual uint ideal_reg() const { return Op_RegI; }
588 };
589
590 //------------------------------ExtractLNode---------------------------------------
591 // Extract a long from a vector at position "pos"
592 class ExtractLNode : public ExtractNode {
593 public:
594 ExtractLNode(Node* src, ConINode* pos) : ExtractNode(src, pos) {}
595 virtual int Opcode() const;
596 virtual const Type *bottom_type() const { return TypeLong::LONG; }
597 virtual uint ideal_reg() const { return Op_RegL; }
598 };
599
600 //------------------------------ExtractFNode---------------------------------------
601 // Extract a float from a vector at position "pos"
602 class ExtractFNode : public ExtractNode {
603 public:
604 ExtractFNode(Node* src, ConINode* pos) : ExtractNode(src, pos) {}
605 virtual int Opcode() const;
606 virtual const Type *bottom_type() const { return Type::FLOAT; }
607 virtual uint ideal_reg() const { return Op_RegF; }
608 };
609
610 //------------------------------ExtractDNode---------------------------------------
611 // Extract a double from a vector at position "pos"
612 class ExtractDNode : public ExtractNode {
613 public:
614 ExtractDNode(Node* src, ConINode* pos) : ExtractNode(src, pos) {}
615 virtual int Opcode() const;
616 virtual const Type *bottom_type() const { return Type::DOUBLE; }
617 virtual uint ideal_reg() const { return Op_RegD; }
618 };
619
620 #endif // SHARE_VM_OPTO_VECTORNODE_HPP