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 $Id: reg.h 2219 2005-04-05 15:42:57Z christian $
37 #define INVOKE_NEW_DEBUG
39 /* preliminary define for testing of the new creation of ARGVAR Stackslots in stack.c */
40 /* Changes affect handling of ARGVAR Stackslots in reg_of_var in codegen.inc */
41 /* and calculation of rd->ifmemuse in reg.inc */
43 /* We typedef these structures before #includes to resolve circular */
46 typedef struct varinfo varinfo;
47 typedef struct registerdata registerdata;
51 #include "vm/jit/codegen.inc.h"
52 #include "vm/jit/jit.h"
53 #include "vm/jit/inline/inline.h"
56 /************************* pseudo variable structure **************************/
59 int type; /* basic type of variable */
60 int flags; /* flags (SAVED, INMEMORY) */
61 int regoff; /* register number or memory offset */
64 typedef struct varinfo varinfo5[5];
71 int intregsnum; /* absolute number of integer registers */
72 int fltregsnum; /* absolute number of float registers */
74 int intreg_ret; /* register to return integer values */
75 int intreg_argnum; /* number of integer argument registers */
77 int fltreg_ret; /* register for return float values */
78 int fltreg_argnum; /* number of float argument registers */
81 int *argintregs; /* argument integer registers */
82 int *tmpintregs; /* scratch integer registers */
83 int *savintregs; /* saved integer registers */
84 int *argfltregs; /* argument float registers */
85 int *tmpfltregs; /* scratch float registers */
86 int *savfltregs; /* saved float registers */
87 int *freeargintregs; /* free argument integer registers */
88 int *freetmpintregs; /* free scratch integer registers */
89 int *freesavintregs; /* free saved integer registers */
90 int *freeargfltregs; /* free argument float registers */
91 int *freetmpfltregs; /* free scratch float registers */
92 int *freesavfltregs; /* free saved float registers */
94 #ifdef HAS_ADDRESS_REGISTER_FILE
95 int adrregsnum; /* absolute number of address registers */
96 int adrreg_ret; /* register to return address values */
97 int adrreg_argnum; /* number of address argument registers */
98 int *argadrregs; /* argument address registers */
99 int *tmpadrregs; /* scratch address registers */
100 int *savadrregs; /* saved address registers */
101 int *freeargadrregs; /* free argument address registers */
102 int *freetmpadrregs; /* free scratch address registers */
103 int *freesavadrregs; /* free saved address registers */
105 int tmpadrregcnt; /* scratch address register count */
106 int savadrregcnt; /* saved address register count */
107 int iftmpadrregcnt; /* iface scratch address register count */
108 int ifsavadrregcnt; /* iface saved address register count */
109 int argadrreguse; /* used argument address register count */
110 int tmpadrreguse; /* used scratch address register count */
111 int savadrreguse; /* used saved address register count */
112 int maxargadrreguse; /* max used argument address register count */
113 int maxtmpadrreguse; /* max used scratch address register count */
114 int maxsavadrreguse; /* max used saved address register count */
115 int freetmpadrtop; /* free scratch address register count */
116 int freesavadrtop; /* free saved address register count */
117 #if defined(USE_UNUSED_ARGUMENT_REGISTERS)
118 int ifargadrregcnt; /* iface argument address register count */
123 int *secondregs; /* used for longs in 2 32 bit registers */
126 int *freemem; /* free scratch memory */
127 int memuse; /* used memory count */
128 int ifmemuse; /* interface used memory count */
129 int maxmemuse; /* maximal used memory count (spills) */
130 int freememtop; /* free memory count */
132 int tmpintregcnt; /* scratch integer register count */
133 int savintregcnt; /* saved integer register count */
134 int tmpfltregcnt; /* scratch float register count */
135 int savfltregcnt; /* saved float register count */
137 int iftmpintregcnt; /* iface scratch integer register count */
138 int ifsavintregcnt; /* iface saved integer register count */
139 int iftmpfltregcnt; /* iface scratch float register count */
140 int ifsavfltregcnt; /* iface saved float register count */
141 #if defined(USE_UNUSED_ARGUMENT_REGISTERS)
142 int ifargintregcnt; /* iface argument float register count */
143 int ifargfltregcnt; /* iface argument float register count */
146 int argintreguse; /* used argument integer register count */
147 int tmpintreguse; /* used scratch integer register count */
148 int savintreguse; /* used saved integer register count */
149 int argfltreguse; /* used argument float register count */
150 int tmpfltreguse; /* used scratch float register count */
151 int savfltreguse; /* used saved float register count */
153 int maxargintreguse; /* max used argument int register count */
154 int maxtmpintreguse; /* max used scratch int register count */
155 int maxsavintreguse; /* max used saved int register count */
156 int maxargfltreguse; /* max used argument float register count */
157 int maxtmpfltreguse; /* max used scratch float register count */
158 int maxsavfltreguse; /* max used saved float register count */
160 int freetmpinttop; /* free scratch integer register count */
161 int freesavinttop; /* free saved integer register count */
162 int freetmpflttop; /* free scratch float register count */
163 int freesavflttop; /* free saved float register count */
165 int arguments_num; /* size of parameter field in the stackframe */
169 /* function prototypes */
172 void reg_setup(methodinfo *m, registerdata *rd, t_inlining_globals *id);
173 void reg_free(methodinfo *m, registerdata *rd);
175 void regalloc(methodinfo *m, codegendata *cd, registerdata *rd);
177 void reg_make_statistics( methodinfo *, codegendata *, registerdata *);
184 * These are local overrides for various environment variables in Emacs.
185 * Please do not remove this and leave it at the end of the file, where
186 * Emacs will automagically detect them.
187 * ---------------------------------------------------------------------
190 * indent-tabs-mode: t