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comparison src/share/vm/opto/subnode.hpp @ 1396:d7f654633cfe

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6946040: add intrinsic for short and char reverseBytes Reviewed-by: never, twisti Contributed-by: Hiroshi Yamauchi <yamauchi@google.com>
author never
date Mon, 26 Apr 2010 11:27:21 -0700
parents d1605aabd0a1
children c18cbe5936b8
comparison
equal deleted inserted replaced
1385:bc32f286fae0 1396:d7f654633cfe
1 /* 1 /*
2 * Copyright 1997-2008 Sun Microsystems, Inc. All Rights Reserved. 2 * Copyright 1997-2010 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 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 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
507 ReverseBytesLNode(Node *c, Node *in1) : Node(c, in1) {} 507 ReverseBytesLNode(Node *c, Node *in1) : Node(c, in1) {}
508 virtual int Opcode() const; 508 virtual int Opcode() const;
509 const Type *bottom_type() const { return TypeLong::LONG; } 509 const Type *bottom_type() const { return TypeLong::LONG; }
510 virtual uint ideal_reg() const { return Op_RegL; } 510 virtual uint ideal_reg() const { return Op_RegL; }
511 }; 511 };
512
513 //-------------------------------ReverseBytesUSNode--------------------------------
514 // reverse bytes of an unsigned short / char
515 class ReverseBytesUSNode : public Node {
516 public:
517 ReverseBytesUSNode(Node *c, Node *in1) : Node(c, in1) {}
518 virtual int Opcode() const;
519 const Type *bottom_type() const { return TypeInt::CHAR; }
520 virtual uint ideal_reg() const { return Op_RegI; }
521 };
522
523 //-------------------------------ReverseBytesSNode--------------------------------
524 // reverse bytes of a short
525 class ReverseBytesSNode : public Node {
526 public:
527 ReverseBytesSNode(Node *c, Node *in1) : Node(c, in1) {}
528 virtual int Opcode() const;
529 const Type *bottom_type() const { return TypeInt::SHORT; }
530 virtual uint ideal_reg() const { return Op_RegI; }
531 };