1 /* vm/jit/i386/arch.h - architecture defines for i386
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: arch.h 1735 2004-12-07 14:33:27Z twisti $
38 /* define x86 register numbers ************************************************/
50 /* preallocated registers *****************************************************/
52 /* integer registers */
54 #define REG_RESULT EAX /* to deliver method results */
55 #define REG_RESULT2 EDX /* to deliver long method results */
57 #define REG_ITMP1 EAX /* temporary register */
58 #define REG_ITMP2 ECX /* temporary register */
59 #define REG_ITMP3 EDX /* temporary register */
61 #define REG_NULL -1 /* used for reg_of_var where d is not needed */
63 #define REG_ITMP1_XPTR EAX /* exception pointer = temporary register 1 */
64 #define REG_ITMP2_XPC ECX /* exception pc = temporary register 2 */
66 #define REG_SP ESP /* stack pointer */
68 /* floating point registers */
70 #define REG_FRESULT 0 /* to deliver floating point method results */
71 #define REG_FTMP1 6 /* temporary floating point register */
72 #define REG_FTMP2 7 /* temporary floating point register */
73 #define REG_FTMP3 7 /* temporary floating point register */
76 #define INT_SAV_CNT 3 /* number of int callee saved registers */
77 #define INT_ARG_CNT 0 /* number of int argument registers */
79 #define FLT_SAV_CNT 0 /* number of flt callee saved registers */
80 #define FLT_ARG_CNT 0 /* number of flt argument registers */
82 #define TRACE_ARGS_NUM 8
85 /* define architecture features ***********************************************/
88 #define WORDS_BIGENDIAN 0
90 #define U8_AVAILABLE 1
92 #define USE_CODEMMAP 1
94 #define SUPPORT_DIVISION 1
95 #define SUPPORT_LONG 1
96 #define SUPPORT_FLOAT 1
97 #define SUPPORT_DOUBLE 1
99 #define SUPPORT_IFCVT 1
100 #define SUPPORT_FICVT 1
102 #define SUPPORT_LONG_ADD 1
103 #define SUPPORT_LONG_CMP 1
104 #define SUPPORT_LONG_LOG 1
105 #define SUPPORT_LONG_SHIFT 1
106 #define SUPPORT_LONG_MUL 1
107 #define SUPPORT_LONG_DIV 0
108 #define SUPPORT_LONG_ICVT 1
109 #define SUPPORT_LONG_FCVT 1
111 #define SUPPORT_CONST_ASTORE 1 /* do we support const astores */
112 #define SUPPORT_ONLY_ZERO_ASTORE 0 /* on risc machines we can only store */
115 #define USEBUILTINTABLE
117 #define CONDITIONAL_LOADCONST
119 /* #define CONSECUTIVE_INTARGS */
120 /* #define CONSECUTIVE_FLOATARGS */
126 * These are local overrides for various environment variables in Emacs.
127 * Please do not remove this and leave it at the end of the file, where
128 * Emacs will automagically detect them.
129 * ---------------------------------------------------------------------
132 * indent-tabs-mode: t