1 /* src/vm/jit/reg.h - register allocator header
3 Copyright (C) 1996-2005, 2006 R. Grafl, A. Krall, C. Kruegel,
4 C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
5 E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
6 J. Wenninger, 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., 51 Franklin Street, Fifth Floor, Boston, MA
25 Contact: cacao@cacaojvm.org
27 Authors: Christian Thalinger
29 Changes: Christian Ullrich
32 $Id: reg.h 4452 2006-02-05 23:24:34Z edwin $
40 /* We typedef these structures before #includes to resolve circular */
43 typedef struct varinfo varinfo;
44 typedef struct registerdata registerdata;
53 /************************* pseudo variable structure **************************/
56 int type; /* basic type of variable */
57 int flags; /* flags (SAVED, INMEMORY) */
58 int regoff; /* register number or memory offset */
61 typedef struct varinfo varinfo5[5];
69 int intreg_ret; /* register to return integer values */
70 int fltreg_ret; /* register for return float values */
72 int *argintregs; /* argument integer registers */
73 int *tmpintregs; /* scratch integer registers */
74 int *savintregs; /* saved integer registers */
75 int *argfltregs; /* argument float registers */
76 int *tmpfltregs; /* scratch float registers */
77 int *savfltregs; /* saved float registers */
78 int *freeargintregs; /* free argument integer registers */
79 int *freetmpintregs; /* free scratch integer registers */
80 int *freesavintregs; /* free saved integer registers */
81 int *freeargfltregs; /* free argument float registers */
82 int *freetmpfltregs; /* free scratch float registers */
83 int *freesavfltregs; /* free saved float registers */
85 #ifdef HAS_ADDRESS_REGISTER_FILE
86 int adrreg_ret; /* register to return address values */
88 int *argadrregs; /* argument address registers */
89 int *tmpadrregs; /* scratch address registers */
90 int *savadrregs; /* saved address registers */
91 int *freeargadrregs; /* free argument address registers */
92 int *freetmpadrregs; /* free scratch address registers */
93 int *freesavadrregs; /* free saved address registers */
95 int argadrreguse; /* used argument address register count */
96 int tmpadrreguse; /* used scratch address register count */
97 int savadrreguse; /* used saved address register count */
99 int freetmpadrtop; /* free scratch address register count */
100 int freesavadrtop; /* free saved address register count */
101 int freeargadrtop; /* free argument address register count */
104 #if defined(HAS_4BYTE_STACKSLOT)
108 int *freemem; /* free scratch memory */
109 int freememtop; /* free memory count */
111 int memuse; /* used memory count */
113 int argintreguse; /* used argument integer register count */
114 int tmpintreguse; /* used scratch integer register count */
115 int savintreguse; /* used saved integer register count */
116 int argfltreguse; /* used argument float register count */
117 int tmpfltreguse; /* used scratch float register count */
118 int savfltreguse; /* used saved float register count */
120 int freearginttop; /* free argument integer register count */
121 int freeargflttop; /* free argument float register count */
122 int freetmpinttop; /* free scratch integer register count */
123 int freesavinttop; /* free saved integer register count */
124 int freetmpflttop; /* free scratch float register count */
125 int freesavflttop; /* free saved float register count */
129 /* global variables ***********************************************************/
131 extern s4 nregdescint[];
132 extern s4 nregdescfloat[];
135 /* function prototypes ********************************************************/
137 void reg_setup(methodinfo *m, registerdata *rd);
143 * These are local overrides for various environment variables in Emacs.
144 * Please do not remove this and leave it at the end of the file, where
145 * Emacs will automagically detect them.
146 * ---------------------------------------------------------------------
149 * indent-tabs-mode: t
153 * vim:noexpandtab:sw=4:ts=4: