1 /* vm/jit/schedule/schedule.h - architecture independent instruction scheduler
3 Copyright (C) 1996-2005 R. Grafl, A. Krall, C. Kruegel, C. Oates,
4 R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,
5 C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,
6 Institut f. Computersprachen - TU Wien
8 This file is part of CACAO.
10 This program is free software; you can redistribute it and/or
11 modify it under the terms of the GNU General Public License as
12 published by the Free Software Foundation; either version 2, or (at
13 your option) any later version.
15 This program is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
25 Contact: cacao@complang.tuwien.ac.at
27 Authors: Christian Thalinger
31 $Id: schedule.h 1961 2005-02-23 11:47:32Z twisti $
41 #include "vm/jit/reg.h"
44 /* minstruction ****************************************************************
46 This structure contains all information for one machine instruction
47 required to schedule it.
49 *******************************************************************************/
51 typedef struct minstruction minstruction;
54 u4 instr; /* machine instruction word */
55 u1 latency; /* instruction latency */
56 s4 priority; /* priority of this instruction node */
57 minstruction *opdep[3]; /* operand dependencies */
59 minstruction *next; /* link to next machine instruction */
63 /* scheduledata ****************************************************************
67 *******************************************************************************/
69 typedef struct scheduledata scheduledata;
72 minstruction **sink_nodes; /* list containing sink nodes */
73 minstruction **intregs_read_dep;
74 minstruction **intregs_write_dep;
75 minstruction **fltregs_read_dep;
76 minstruction **fltregs_write_dep;
77 minstruction *memory_write_dep;
81 /* function prototypes ********************************************************/
83 scheduledata *schedule_setup(registerdata *rd);
84 void schedule_calc_priority(minstruction *mi);
85 void schedule_do_schedule(minstruction *mi);
86 minstruction *schedule_prepend_minstruction(minstruction *mi);
87 minstruction *schedule_append_minstruction(minstruction *mi);
89 #endif /* _SCHEDULE_H */
93 * These are local overrides for various environment variables in Emacs.
94 * Please do not remove this and leave it at the end of the file, where
95 * Emacs will automagically detect them.
96 * ---------------------------------------------------------------------