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comparison src/share/vm/opto/chaitin.hpp @ 6179:8c92982cbbc4

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7119644: Increase superword's vector size up to 256 bits Summary: Increase vector size up to 256-bits for YMM AVX registers on x86. Reviewed-by: never, twisti, roland
author kvn
date Fri, 15 Jun 2012 01:25:19 -0700
parents 5da7201222d5
children a1c7f6472621
comparison
equal deleted inserted replaced
6146:eba1d5bce9e8 6179:8c92982cbbc4
1 /* 1 /*
2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. 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.
97 public: 97 public:
98 int compute_mask_size() const { return _mask.is_AllStack() ? 65535 : _mask.Size(); } 98 int compute_mask_size() const { return _mask.is_AllStack() ? 65535 : _mask.Size(); }
99 void set_mask_size( int size ) { 99 void set_mask_size( int size ) {
100 assert((size == 65535) || (size == (int)_mask.Size()), ""); 100 assert((size == 65535) || (size == (int)_mask.Size()), "");
101 _mask_size = size; 101 _mask_size = size;
102 debug_only(_msize_valid=1;) 102 #ifdef ASSERT
103 debug_only( if( _num_regs == 2 && !_fat_proj ) _mask.VerifyPairs(); ) 103 _msize_valid=1;
104 if (_is_vector) {
105 assert(!_fat_proj, "sanity");
106 _mask.verify_sets(_num_regs);
107 } else if (_num_regs == 2 && !_fat_proj) {
108 _mask.verify_pairs();
109 }
110 #endif
104 } 111 }
105 void compute_set_mask_size() { set_mask_size(compute_mask_size()); } 112 void compute_set_mask_size() { set_mask_size(compute_mask_size()); }
106 int mask_size() const { assert( _msize_valid, "mask size not valid" ); 113 int mask_size() const { assert( _msize_valid, "mask size not valid" );
107 return _mask_size; } 114 return _mask_size; }
108 // Get the last mask size computed, even if it does not match the 115 // Get the last mask size computed, even if it does not match the
114 void SUBTRACT( const RegMask &rm ) { _mask.SUBTRACT(rm); debug_only(_msize_valid=0;)} 121 void SUBTRACT( const RegMask &rm ) { _mask.SUBTRACT(rm); debug_only(_msize_valid=0;)}
115 void Clear() { _mask.Clear() ; debug_only(_msize_valid=1); _mask_size = 0; } 122 void Clear() { _mask.Clear() ; debug_only(_msize_valid=1); _mask_size = 0; }
116 void Set_All() { _mask.Set_All(); debug_only(_msize_valid=1); _mask_size = RegMask::CHUNK_SIZE; } 123 void Set_All() { _mask.Set_All(); debug_only(_msize_valid=1); _mask_size = RegMask::CHUNK_SIZE; }
117 void Insert( OptoReg::Name reg ) { _mask.Insert(reg); debug_only(_msize_valid=0;) } 124 void Insert( OptoReg::Name reg ) { _mask.Insert(reg); debug_only(_msize_valid=0;) }
118 void Remove( OptoReg::Name reg ) { _mask.Remove(reg); debug_only(_msize_valid=0;) } 125 void Remove( OptoReg::Name reg ) { _mask.Remove(reg); debug_only(_msize_valid=0;) }
119 void ClearToPairs() { _mask.ClearToPairs(); debug_only(_msize_valid=0;) } 126 void clear_to_pairs() { _mask.clear_to_pairs(); debug_only(_msize_valid=0;) }
127 void clear_to_sets() { _mask.clear_to_sets(_num_regs); debug_only(_msize_valid=0;) }
120 128
121 // Number of registers this live range uses when it colors 129 // Number of registers this live range uses when it colors
122 private: 130 private:
123 uint8 _num_regs; // 2 for Longs and Doubles, 1 for all else 131 uint8 _num_regs; // 2 for Longs and Doubles, 1 for all else
124 // except _num_regs is kill count for fat_proj 132 // except _num_regs is kill count for fat_proj
148 // Is this live range just barely "low-degree"? Trivially colorable? 156 // Is this live range just barely "low-degree"? Trivially colorable?
149 bool just_lo_degree () const { return degree() == degrees_of_freedom(); } 157 bool just_lo_degree () const { return degree() == degrees_of_freedom(); }
150 158
151 uint _is_oop:1, // Live-range holds an oop 159 uint _is_oop:1, // Live-range holds an oop
152 _is_float:1, // True if in float registers 160 _is_float:1, // True if in float registers
161 _is_vector:1, // True if in vector registers
153 _was_spilled1:1, // True if prior spilling on def 162 _was_spilled1:1, // True if prior spilling on def
154 _was_spilled2:1, // True if twice prior spilling on def 163 _was_spilled2:1, // True if twice prior spilling on def
155 _is_bound:1, // live range starts life with no 164 _is_bound:1, // live range starts life with no
156 // degrees of freedom. 165 // degrees of freedom.
157 _direct_conflict:1, // True if def and use registers in conflict 166 _direct_conflict:1, // True if def and use registers in conflict