-/* jit/reg.h - register allocator header
+/* src/vm/jit/reg.h - register allocator header
- Copyright (C) 1996-2005 R. Grafl, A. Krall, C. Kruegel, C. Oates,
- R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,
- C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,
- Institut f. Computersprachen - TU Wien
+ Copyright (C) 1996-2005, 2006 R. Grafl, A. Krall, C. Kruegel,
+ C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
+ E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
+ J. Wenninger, Institut f. Computersprachen - TU Wien
This file is part of CACAO.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA.
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
- Contact: cacao@complang.tuwien.ac.at
+ Contact: cacao@cacaojvm.org
Authors: Christian Thalinger
- $Id: reg.h 2219 2005-04-05 15:42:57Z christian $
+ Changes: Christian Ullrich
+
+ $Id: reg.h 4357 2006-01-22 23:33:38Z twisti $
*/
#ifndef _REG_H
#define _REG_H
-#define INVOKE_NEW_DEBUG
-
-/* preliminary define for testing of the new creation of ARGVAR Stackslots in stack.c */
-/* Changes affect handling of ARGVAR Stackslots in reg_of_var in codegen.inc */
-/* and calculation of rd->ifmemuse in reg.inc */
-
/* We typedef these structures before #includes to resolve circular */
/* dependencies. */
typedef struct registerdata registerdata;
-#include "types.h"
-#include "vm/jit/codegen.inc.h"
-#include "vm/jit/jit.h"
+#include "config.h"
+#include "vm/types.h"
+
+#include "arch.h"
#include "vm/jit/inline/inline.h"
varinfo5 *locals;
varinfo5 *interfaces;
- int intregsnum; /* absolute number of integer registers */
- int fltregsnum; /* absolute number of float registers */
int intreg_ret; /* register to return integer values */
- int intreg_argnum; /* number of integer argument registers */
-
int fltreg_ret; /* register for return float values */
- int fltreg_argnum; /* number of float argument registers */
-
int *argintregs; /* argument integer registers */
int *tmpintregs; /* scratch integer registers */
int *freesavfltregs; /* free saved float registers */
#ifdef HAS_ADDRESS_REGISTER_FILE
- int adrregsnum; /* absolute number of address registers */
int adrreg_ret; /* register to return address values */
- int adrreg_argnum; /* number of address argument registers */
+
int *argadrregs; /* argument address registers */
int *tmpadrregs; /* scratch address registers */
- int *savadrregs; /* saved address registers */
+ int *savadrregs; /* saved address registers */
int *freeargadrregs; /* free argument address registers */
int *freetmpadrregs; /* free scratch address registers */
int *freesavadrregs; /* free saved address registers */
- int tmpadrregcnt; /* scratch address register count */
- int savadrregcnt; /* saved address register count */
- int iftmpadrregcnt; /* iface scratch address register count */
- int ifsavadrregcnt; /* iface saved address register count */
int argadrreguse; /* used argument address register count */
int tmpadrreguse; /* used scratch address register count */
int savadrreguse; /* used saved address register count */
- int maxargadrreguse; /* max used argument address register count */
- int maxtmpadrreguse; /* max used scratch address register count */
- int maxsavadrreguse; /* max used saved address register count */
+
int freetmpadrtop; /* free scratch address register count */
int freesavadrtop; /* free saved address register count */
-#if defined(USE_UNUSED_ARGUMENT_REGISTERS)
- int ifargadrregcnt; /* iface argument address register count */
-#endif
+ int freeargadrtop; /* free argument address register count */
#endif
-#ifdef USETWOREGS
- int *secondregs; /* used for longs in 2 32 bit registers */
+#if defined(HAS_4BYTE_STACKSLOT)
+ int *freemem_2;
+ int freememtop_2;
#endif
-
int *freemem; /* free scratch memory */
- int memuse; /* used memory count */
- int ifmemuse; /* interface used memory count */
- int maxmemuse; /* maximal used memory count (spills) */
int freememtop; /* free memory count */
- int tmpintregcnt; /* scratch integer register count */
- int savintregcnt; /* saved integer register count */
- int tmpfltregcnt; /* scratch float register count */
- int savfltregcnt; /* saved float register count */
-
- int iftmpintregcnt; /* iface scratch integer register count */
- int ifsavintregcnt; /* iface saved integer register count */
- int iftmpfltregcnt; /* iface scratch float register count */
- int ifsavfltregcnt; /* iface saved float register count */
-#if defined(USE_UNUSED_ARGUMENT_REGISTERS)
- int ifargintregcnt; /* iface argument float register count */
- int ifargfltregcnt; /* iface argument float register count */
-#endif
+ int memuse; /* used memory count */
int argintreguse; /* used argument integer register count */
int tmpintreguse; /* used scratch integer register count */
int tmpfltreguse; /* used scratch float register count */
int savfltreguse; /* used saved float register count */
- int maxargintreguse; /* max used argument int register count */
- int maxtmpintreguse; /* max used scratch int register count */
- int maxsavintreguse; /* max used saved int register count */
- int maxargfltreguse; /* max used argument float register count */
- int maxtmpfltreguse; /* max used scratch float register count */
- int maxsavfltreguse; /* max used saved float register count */
-
+ int freearginttop; /* free argument integer register count */
+ int freeargflttop; /* free argument float register count */
int freetmpinttop; /* free scratch integer register count */
int freesavinttop; /* free saved integer register count */
int freetmpflttop; /* free scratch float register count */
int freesavflttop; /* free saved float register count */
-
- int arguments_num; /* size of parameter field in the stackframe */
};
-/* function prototypes */
+/* global variables ***********************************************************/
+
+extern s4 nregdescint[];
+extern s4 nregdescfloat[];
+
+
+/* function prototypes ********************************************************/
-void reg_init();
void reg_setup(methodinfo *m, registerdata *rd, t_inlining_globals *id);
-void reg_free(methodinfo *m, registerdata *rd);
-void reg_close();
-void regalloc(methodinfo *m, codegendata *cd, registerdata *rd);
-#ifdef STATISTICS
-void reg_make_statistics( methodinfo *, codegendata *, registerdata *);
-#endif
#endif /* _REG_H */
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