1 /* src/vm/jit/x86_64/arch.h - architecture defines for x86_64
3 Copyright (C) 1996-2008, 2009
4 CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
6 This file is part of CACAO.
8 This program is free software; you can redistribute it and/or
9 modify it under the terms of the GNU General Public License as
10 published by the Free Software Foundation; either version 2, or (at
11 your option) any later version.
13 This program is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
29 #define JIT_COMPILER_VIA_SIGNAL
34 /* define architecture features ***********************************************/
36 #define SUPPORT_DIVISION 1
37 #define SUPPORT_LONG 1
44 /* ATTENTION: x86_64 architectures support these conversions, but we
45 need the builtin functions in corner cases */
51 #define SUPPORT_LONG_ADD 1
52 #define SUPPORT_LONG_CMP 1
53 #define SUPPORT_LONG_CMP_CONST 1
54 #define SUPPORT_LONG_LOGICAL 1
55 #define SUPPORT_LONG_SHIFT 1
56 #define SUPPORT_LONG_MUL 1
57 #define SUPPORT_LONG_DIV 1
59 #define SUPPORT_LONG_DIV_POW2 1
60 #define SUPPORT_LONG_REM_POW2 1
62 #define SUPPORT_CONST_LOGICAL 1 /* AND, OR, XOR with immediates */
63 #define SUPPORT_CONST_MUL 1 /* mutiply with immediate */
65 #define SUPPORT_CONST_STORE 1 /* do we support const stores */
66 #define SUPPORT_CONST_STORE_ZERO_ONLY 0 /* on some risc machines we can */
67 /* only store REG_ZERO */
70 /* float **********************************************************************/
72 #define SUPPORT_FLOAT 1
74 #if defined(ENABLE_SOFT_FLOAT_CMP)
75 # define SUPPORT_FLOAT_CMP 0
77 # define SUPPORT_FLOAT_CMP 1
81 /* double *********************************************************************/
83 #define SUPPORT_DOUBLE 1
85 #if defined(ENABLE_SOFT_FLOAT_CMP)
86 # define SUPPORT_DOUBLE_CMP 0
88 # define SUPPORT_DOUBLE_CMP 1
92 #define CONSECUTIVE_INTEGER_ARGS
93 #define CONSECUTIVE_FLOAT_ARGS
96 /* branches *******************************************************************/
98 #define SUPPORT_BRANCH_CONDITIONAL_CONDITION_REGISTER 1
99 #define SUPPORT_BRANCH_CONDITIONAL_ONE_INTEGER_REGISTER 0
100 #define SUPPORT_BRANCH_CONDITIONAL_TWO_INTEGER_REGISTERS 0
101 #define SUPPORT_BRANCH_CONDITIONAL_UNSIGNED_CONDITIONS 1
104 /* exceptions *****************************************************************/
106 #define SUPPORT_HARDWARE_DIVIDE_BY_ZERO 1
109 /* stackframe *****************************************************************/
111 #define STACKFRMAE_RA_BETWEEN_FRAMES 1
112 #define STACKFRAME_RA_TOP_OF_FRAME 0
113 #define STACKFRAME_RA_LINKAGE_AREA 0
114 #define STACKFRAME_LEAFMETHODS_RA_REGISTER 0
115 #define STACKFRAME_SYNC_NEEDS_TWO_SLOTS 0
118 /* replacement ****************************************************************/
120 #define REPLACEMENT_PATCH_SIZE 2 /* bytes */
122 /* subtype ********************************************************************/
124 #define USES_NEW_SUBTYPE 1
126 /* memory barriers ************************************************************/
128 #define CAS_PROVIDES_FULL_BARRIER 1
134 * These are local overrides for various environment variables in Emacs.
135 * Please do not remove this and leave it at the end of the file, where
136 * Emacs will automagically detect them.
137 * ---------------------------------------------------------------------
140 * indent-tabs-mode: t