1 /* vm/jit/powerpc/arch.h - architecture defines for PowerPC
3 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
4 R. Grafl, A. Krall, C. Kruegel, C. Oates, R. Obermaisser,
5 M. Probst, S. Ring, E. Steiner, C. Thalinger, D. Thuernbeck,
6 P. Tomsich, J. Wenninger
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 1648 2004-12-01 16:44:22Z twisti $
38 /* preallocated registers *****************************************************/
40 /* integer registers */
42 #define REG_RESULT 3 /* to deliver method results */
43 #define REG_RESULT2 4 /* to deliver long method results */
45 /*#define REG_RA 26*/ /* return address */
46 #define REG_PV 13 /* procedure vector, must be provided by caller */
47 #define REG_METHODPTR 12 /* pointer to the place from where the procedure */
48 /* vector has been fetched */
49 #define REG_ITMP1 11 /* temporary register */
50 #define REG_ITMP2 12 /* temporary register and method pointer */
51 #define REG_ITMP3 0 /* temporary register */
53 #define REG_ITMP1_XPTR 11 /* exception pointer = temporary register 1 */
54 #define REG_ITMP2_XPC 12 /* exception pc = temporary register 2 */
56 #define REG_SP 1 /* stack pointer */
57 #define REG_ZERO 0 /* allways zero */
59 /* floating point registers */
61 #define REG_FRESULT 1 /* to deliver floating point method results */
62 #define REG_FTMP1 16 /* temporary floating point register */
63 #define REG_FTMP2 17 /* temporary floating point register */
64 #define REG_FTMP3 0 /* temporary floating point register */
66 #define REG_IFTMP 0 /* temporary integer and floating point register */
69 /*#define INT_SAV_CNT 19*/ /* number of int callee saved registers */
70 #define INT_ARG_CNT 8 /* number of int argument registers */
72 /*#define FLT_SAV_CNT 18*/ /* number of flt callee saved registers */
73 #define FLT_ARG_CNT 13 /* number of flt argument registers */
75 #define TRACE_ARGS_NUM 8
78 /* define architecture features ***********************************************/
81 #define WORDS_BIGENDIAN 1
83 #define U8_AVAILABLE 1
85 #define USE_CODEMMAP 1
87 #define SUPPORT_DIVISION 0
88 #define SUPPORT_LONG 1
89 #define SUPPORT_FLOAT 1
90 #define SUPPORT_DOUBLE 1
91 #define SUPPORT_FMOD 0
92 #define SUPPORT_FICVT 1
93 #define SUPPORT_IFCVT 0
95 #define SUPPORT_LONG_ADD 1
96 #define SUPPORT_LONG_CMP 1
97 #define SUPPORT_LONG_LOG 1
98 #define SUPPORT_LONG_SHIFT 0
99 #define SUPPORT_LONG_MUL 0
100 #define SUPPORT_LONG_DIV 0
101 #define SUPPORT_LONG_ICVT 0
102 #define SUPPORT_LONG_FCVT 0
104 #define USEBUILTINTABLE
106 /* #define CONDITIONAL_LOADCONST */
107 #define NOLONG_CONDITIONAL
109 /* #define CONSECUTIVE_INTARGS */
110 #define CONSECUTIVE_FLOATARGS
112 #define SPECIALMEMUSE
119 * These are local overrides for various environment variables in Emacs.
120 * Please do not remove this and leave it at the end of the file, where
121 * Emacs will automagically detect them.
122 * ---------------------------------------------------------------------
125 * indent-tabs-mode: t