1 /* jit/reg.h - register allocator header
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
29 Changes: Christian Ullrich
31 $Id: reg.h 2774 2005-06-22 09:47:44Z christian $
39 /* #define INVOKE_NEW_DEBUG */
42 /* preliminary define for testing of the new creation of ARGVAR Stackslots in stack.c */
43 /* Changes affect handling of ARGVAR Stackslots in reg_of_var in codegen.inc */
44 /* and calculation of rd->ifmemuse in reg.inc */
46 /* We typedef these structures before #includes to resolve circular */
49 typedef struct varinfo varinfo;
50 typedef struct registerdata registerdata;
54 #include "vm/jit/codegen.inc.h"
55 #include "vm/jit/jit.h"
56 #include "vm/jit/inline/inline.h"
59 /************************* pseudo variable structure **************************/
62 int type; /* basic type of variable */
63 int flags; /* flags (SAVED, INMEMORY) */
64 int regoff; /* register number or memory offset */
67 typedef struct varinfo varinfo5[5];
75 int intreg_ret; /* register to return integer values */
76 int fltreg_ret; /* register for return float values */
78 int *argintregs; /* argument integer registers */
79 int *tmpintregs; /* scratch integer registers */
80 int *savintregs; /* saved integer registers */
81 int *argfltregs; /* argument float registers */
82 int *tmpfltregs; /* scratch float registers */
83 int *savfltregs; /* saved float registers */
84 int *freeargintregs; /* free argument integer registers */
85 int *freetmpintregs; /* free scratch integer registers */
86 int *freesavintregs; /* free saved integer registers */
87 int *freeargfltregs; /* free argument float registers */
88 int *freetmpfltregs; /* free scratch float registers */
89 int *freesavfltregs; /* free saved float registers */
91 #ifdef HAS_ADDRESS_REGISTER_FILE
92 int adrreg_ret; /* register to return address values */
94 int *argadrregs; /* argument address registers */
95 int *tmpadrregs; /* scratch address registers */
96 int *savadrregs; /* saved address registers */
97 int *freeargadrregs; /* free argument address registers */
98 int *freetmpadrregs; /* free scratch address registers */
99 int *freesavadrregs; /* free saved address registers */
101 int argadrreguse; /* used argument address register count */
102 int tmpadrreguse; /* used scratch address register count */
103 int savadrreguse; /* used saved address register count */
105 int freetmpadrtop; /* free scratch address register count */
106 int freesavadrtop; /* free saved address register count */
107 int freeargadrtop; /* free argument address register count */
110 #if defined(HAS_4BYTE_STACKSLOT)
114 int *freemem; /* free scratch memory */
115 int freememtop; /* free memory count */
117 int memuse; /* used memory count */
119 int argintreguse; /* used argument integer register count */
120 int tmpintreguse; /* used scratch integer register count */
121 int savintreguse; /* used saved integer register count */
122 int argfltreguse; /* used argument float register count */
123 int tmpfltreguse; /* used scratch float register count */
124 int savfltreguse; /* used saved float register count */
126 int freearginttop; /* free argument integer register count */
127 int freeargflttop; /* free argument float register count */
128 int freetmpinttop; /* free scratch integer register count */
129 int freesavinttop; /* free saved integer register count */
130 int freetmpflttop; /* free scratch float register count */
131 int freesavflttop; /* free saved float register count */
135 /* function prototypes */
138 void reg_setup(methodinfo *m, registerdata *rd, t_inlining_globals *id);
139 void reg_free(methodinfo *m, registerdata *rd);
141 void regalloc(methodinfo *m, codegendata *cd, registerdata *rd);
143 void reg_make_statistics( methodinfo *, codegendata *, registerdata *);
150 * These are local overrides for various environment variables in Emacs.
151 * Please do not remove this and leave it at the end of the file, where
152 * Emacs will automagically detect them.
153 * ---------------------------------------------------------------------
156 * indent-tabs-mode: t