1 /* src/vm/jit/x86_64/arch.h - architecture defines for x86_64
3 Copyright (C) 1996-2005, 2006, 2007 R. Grafl, A. Krall, C. Kruegel,
4 C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
5 E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
6 J. Wenninger, 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., 51 Franklin Street, Fifth Floor, Boston, MA
34 /* define architecture features ***********************************************/
36 #define SUPPORT_DIVISION 1
37 #define SUPPORT_LONG 1
49 #define SUPPORT_LONG_ADD 1
50 #define SUPPORT_LONG_CMP 1
51 #define SUPPORT_LONG_CMP_CONST 1
52 #define SUPPORT_LONG_LOGICAL 1
53 #define SUPPORT_LONG_SHIFT 1
54 #define SUPPORT_LONG_MUL 0
55 #define SUPPORT_LONG_DIV 0
57 #define SUPPORT_LONG_DIV_POW2 0
58 #define SUPPORT_LONG_REM_POW2 0
60 #define SUPPORT_CONST_LOGICAL 1 /* AND, OR, XOR with immediates */
61 #define SUPPORT_CONST_MUL 1 /* mutiply with immediate */
63 #define SUPPORT_CONST_STORE 0 /* do we support const stores */
64 #define SUPPORT_CONST_STORE_ZERO_ONLY 0 /* on some risc machines we can */
65 /* only store REG_ZERO */
68 /* float **********************************************************************/
70 #define SUPPORT_FLOAT 1
72 #if defined(ENABLE_SOFT_FLOAT_CMP)
73 # define SUPPORT_FLOAT_CMP 0
75 # define SUPPORT_FLOAT_CMP 1
79 /* double *********************************************************************/
81 #define SUPPORT_DOUBLE 1
83 #if defined(ENABLE_SOFT_FLOAT_CMP)
84 # define SUPPORT_DOUBLE_CMP 0
86 # define SUPPORT_DOUBLE_CMP 1
90 #define CONSECUTIVE_INTEGER_ARGS
91 #define CONSECUTIVE_FLOAT_ARGS
93 /* branches *******************************************************************/
95 #define SUPPORT_BRANCH_CONDITIONAL_CONDITION_REGISTER 1
96 #define SUPPORT_BRANCH_CONDITIONAL_ONE_INTEGER_REGISTER 0
97 #define SUPPORT_BRANCH_CONDITIONAL_TWO_INTEGER_REGISTERS 0
98 #define SUPPORT_BRANCH_CONDITIONAL_UNSIGNED_CONDITIONS 0
100 /* exceptions *****************************************************************/
102 #define SUPPORT_HARDWARE_DIVIDE_BY_ZERO 1
104 /* stackframe *****************************************************************/
106 #define STACKFRMAE_RA_BETWEEN_FRAMES 0
107 #define STACKFRAME_RA_TOP_OF_FRAME 1
108 #define STACKFRAME_RA_LINKAGE_AREA 0
109 #define STACKFRAME_LEAFMETHODS_RA_REGISTER 0
110 #define STACKFRAME_SYNC_NEEDS_TWO_SLOTS 1
112 /* replacement ****************************************************************/
114 #define REPLACEMENT_PATCH_SIZE 5 /* bytes */
116 /* misc ***********************************************************************/
118 #define SUPPORT_COMBINE_INTEGER_REGISTERS
120 #define JIT_COMPILER_VIA_SIGNAL
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