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
25 #include "precompiled.hpp"
26 #include "compiler/oopMap.hpp"
27 #include "memory/allocation.inline.hpp"
28 #include "opto/addnode.hpp"
29 #include "opto/block.hpp"
30 #include "opto/callnode.hpp"
31 #include "opto/cfgnode.hpp"
32 #include "opto/chaitin.hpp"
33 #include "opto/coalesce.hpp"
34 #include "opto/connode.hpp"
35 #include "opto/indexSet.hpp"
36 #include "opto/machnode.hpp"
37 #include "opto/memnode.hpp"
38 #include "opto/opcodes.hpp"
39
40 PhaseIFG::PhaseIFG( Arena *arena ) : Phase(Interference_Graph), _arena(arena) {
41 }
42
43 void PhaseIFG::init( uint maxlrg ) {
44 _maxlrg = maxlrg;
45 _yanked = new (_arena) VectorSet(_arena);
46 _is_square = false;
47 // Make uninitialized adjacency lists
48 _adjs = (IndexSet*)_arena->Amalloc(sizeof(IndexSet)*maxlrg);
49 // Also make empty live range structures
50 _lrgs = (LRG *)_arena->Amalloc( maxlrg * sizeof(LRG) );
51 memset(_lrgs,0,sizeof(LRG)*maxlrg);
52 // Init all to empty
53 for( uint i = 0; i < maxlrg; i++ ) {
54 _adjs[i].initialize(maxlrg);
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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
25 #include "precompiled.hpp"
26 #include "compiler/oopMap.hpp"
27 #include "memory/allocation.inline.hpp"
28 #include "opto/addnode.hpp"
29 #include "opto/block.hpp"
30 #include "opto/callnode.hpp"
31 #include "opto/cfgnode.hpp"
32 #include "opto/chaitin.hpp"
33 #include "opto/coalesce.hpp"
34 #include "opto/constnode.hpp"
35 #include "opto/indexSet.hpp"
36 #include "opto/machnode.hpp"
37 #include "opto/memnode.hpp"
38 #include "opto/opcodes.hpp"
39
40 PhaseIFG::PhaseIFG( Arena *arena ) : Phase(Interference_Graph), _arena(arena) {
41 }
42
43 void PhaseIFG::init( uint maxlrg ) {
44 _maxlrg = maxlrg;
45 _yanked = new (_arena) VectorSet(_arena);
46 _is_square = false;
47 // Make uninitialized adjacency lists
48 _adjs = (IndexSet*)_arena->Amalloc(sizeof(IndexSet)*maxlrg);
49 // Also make empty live range structures
50 _lrgs = (LRG *)_arena->Amalloc( maxlrg * sizeof(LRG) );
51 memset(_lrgs,0,sizeof(LRG)*maxlrg);
52 // Init all to empty
53 for( uint i = 0; i < maxlrg; i++ ) {
54 _adjs[i].initialize(maxlrg);
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