1 /* src/vm/jit/powerpc/arch.h - architecture defines for PowerPC
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
31 $Id: arch.h 2356 2005-04-22 17:33:35Z christian $
40 /* preallocated registers *****************************************************/
42 /* integer registers */
44 #define REG_RESULT 3 /* to deliver method results */
45 #define REG_RESULT2 4 /* to deliver long method results */
47 /*#define REG_RA 26*/ /* return address */
48 #define REG_PV 13 /* procedure vector, must be provided by caller */
49 #define REG_METHODPTR 12 /* pointer to the place from where the procedure */
50 /* vector has been fetched */
51 #define REG_ITMP1 11 /* temporary register */
52 #define REG_ITMP2 12 /* temporary register and method pointer */
53 #define REG_ITMP3 0 /* temporary register */
55 #define REG_ITMP1_XPTR 11 /* exception pointer = temporary register 1 */
56 #define REG_ITMP2_XPC 12 /* exception pc = temporary register 2 */
58 #define REG_SP 1 /* stack pointer */
59 #define REG_ZERO 0 /* allways zero */
61 /* floating point registers */
63 #define REG_FRESULT 1 /* to deliver floating point method results */
64 #define REG_FTMP1 16 /* temporary floating point register */
65 #define REG_FTMP2 17 /* temporary floating point register */
66 #define REG_FTMP3 0 /* temporary floating point register */
68 #define REG_IFTMP 0 /* temporary integer and floating point register */
71 /*#define INT_SAV_CNT 19*/ /* number of int callee saved registers */
72 #define INT_ARG_CNT 8 /* number of int argument registers */
74 /*#define FLT_SAV_CNT 18*/ /* number of flt callee saved registers */
75 #define FLT_ARG_CNT 13 /* number of flt argument registers */
77 #define TRACE_ARGS_NUM 8
80 /* define architecture features ***********************************************/
83 #define WORDS_BIGENDIAN 1
85 #define U8_AVAILABLE 1
87 #define USE_CODEMMAP 1
89 #define USEBUILTINTABLE
91 #define SUPPORT_DIVISION 0
92 #define SUPPORT_LONG 1
93 #define SUPPORT_FLOAT 1
94 #define SUPPORT_DOUBLE 1
96 #define SUPPORT_FMOD 0
97 #define SUPPORT_FICVT 1
98 #define SUPPORT_IFCVT 0
100 #define SUPPORT_LONG_ADD 1
101 #define SUPPORT_LONG_CMP 1
102 #define SUPPORT_LONG_LOGICAL 1
103 #define SUPPORT_LONG_SHIFT 0
104 #define SUPPORT_LONG_MUL 0
105 #define SUPPORT_LONG_DIV 0
106 #define SUPPORT_LONG_ICVT 0
107 #define SUPPORT_LONG_FCVT 0
109 #define SUPPORT_CONST_LOGICAL 1 /* AND, OR, XOR with immediates */
110 #define SUPPORT_CONST_MUL 1 /* mutiply with immediate */
112 #define SUPPORT_CONST_STORE 0 /* do we support const stores */
113 #define SUPPORT_CONST_STORE_ZERO_ONLY 0 /* on some risc machines we can */
114 /* only store REG_ZERO */
116 /* #define CONDITIONAL_LOADCONST 1 */
117 #define NOLONG_CONDITIONAL
119 /* #define CONSECUTIVE_INTEGER_ARGS */
120 #define CONSECUTIVE_FLOAT_ARGS
122 #define SPECIALMEMUSE
123 #define HAS_4BYTE_STACKSLOT
124 #define SUPPORT_COMBINE_INTEGER_REGISTERS
129 * These are local overrides for various environment variables in Emacs.
130 * Please do not remove this and leave it at the end of the file, where
131 * Emacs will automagically detect them.
132 * ---------------------------------------------------------------------
135 * indent-tabs-mode: t