1 /* src/vm/jit/reg.h - register allocator header
3 Copyright (C) 1996-2005, 2006, 2007 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
31 /* forward typedefs ***********************************************************/
33 typedef struct varinfo varinfo;
34 typedef struct registerdata registerdata;
42 #include "vm/jit/jit.h"
43 #include "vm/jit/verify/typeinfo.h"
46 /************************* pseudo variable structure **************************/
49 s4 type; /* basic type of variable */
50 s4 flags; /* flags (SAVED, INMEMORY) */
52 s4 regoff; /* register number or memory offset */
59 #if defined(ENABLE_VERIFIER)
60 typeinfo typeinfo; /* type info for reference types */
64 typedef struct varinfo varinfo5[5];
68 int intreg_ret; /* register to return integer values */
69 int fltreg_ret; /* register for return float values */
71 int *tmpintregs; /* scratch integer registers */
72 int *savintregs; /* saved integer registers */
73 int *tmpfltregs; /* scratch float registers */
74 int *savfltregs; /* saved float registers */
75 int *freeargintregs; /* free argument integer registers */
76 int *freetmpintregs; /* free scratch integer registers */
77 int *freesavintregs; /* free saved integer registers */
78 int *freeargfltregs; /* free argument float registers */
79 int *freetmpfltregs; /* free scratch float registers */
80 int *freesavfltregs; /* free saved float registers */
82 #ifdef HAS_ADDRESS_REGISTER_FILE
83 int adrreg_ret; /* register to return address values */
85 int *argadrregs; /* argument address registers */
86 int *tmpadrregs; /* scratch address registers */
87 int *savadrregs; /* saved address registers */
88 int *freeargadrregs; /* free argument address registers */
89 int *freetmpadrregs; /* free scratch address registers */
90 int *freesavadrregs; /* free saved address registers */
92 int *adrusedinout; /* is this adr register uses as INOUT? */
94 int argadrreguse; /* used argument address register count */
95 int tmpadrreguse; /* used scratch address register count */
96 int savadrreguse; /* used saved address register count */
98 int freetmpadrtop; /* free scratch address register count */
99 int freesavadrtop; /* free saved address register count */
100 int freeargadrtop; /* free argument address register count */
103 #if defined(HAS_4BYTE_STACKSLOT)
107 int *freemem; /* free scratch memory */
108 int freememtop; /* free memory count */
110 int memuse; /* used memory count */
112 int argintreguse; /* used argument integer register count */
113 int tmpintreguse; /* used scratch integer register count */
114 int savintreguse; /* used saved integer register count */
115 int argfltreguse; /* used argument float register count */
116 int tmpfltreguse; /* used scratch float register count */
117 int savfltreguse; /* used saved float register count */
119 int freearginttop; /* free argument integer register count */
120 int freeargflttop; /* free argument float register count */
121 int freetmpinttop; /* free scratch integer register count */
122 int freesavinttop; /* free saved integer register count */
123 int freetmpflttop; /* free scratch float register count */
124 int freesavflttop; /* free saved float register count */
126 int *intusedinout; /* is this int register uses as INOUT? */
127 int *fltusedinout; /* is this flt register uses as INOUT? */
128 int *regisoutvar; /* true if reg. is outvar of this block */
129 int *regcopycount; /* counts copies of each register regoff */
130 int *memcopycount; /* counts copies of each INMEMORY regoff */
131 int memcopycountsize; /* size of memcopycount buffer */
135 /* function prototypes ********************************************************/
137 void reg_setup(jitdata *jd);
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: