1 /* src/vm/jit/arm/arch.h - architecture defines for arm
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
25 Contact: cacao@cacaojvm.org
27 Authors: Michael Starzinger
30 $Id: arch.h 7596 2007-03-28 21:05:53Z twisti $
38 /* define architecture features ***********************************************/
40 #define U8_AVAILABLE 1
42 #define USEBUILTINTABLE
44 #define SUPPORT_DIVISION 0
45 #define SUPPORT_LONG 1
57 #define SUPPORT_LONG_ADD 1
58 #define SUPPORT_LONG_CMP 1
59 #define SUPPORT_LONG_CMP_CONST 1
60 #define SUPPORT_LONG_LOGICAL 1
61 #define SUPPORT_LONG_SHIFT 0
62 #define SUPPORT_LONG_MUL 0
63 #define SUPPORT_LONG_DIV 0
65 #define SUPPORT_LONG_DIV_POW2 0
66 #define SUPPORT_LONG_REM_POW2 0
68 #define SUPPORT_CONST_LOGICAL 0 /* AND, OR, XOR with immediates */
69 #define SUPPORT_CONST_MUL 0 /* mutiply with immediate */
70 #define SUPPORT_CONST_STORE 0 /* do we support const stores */
71 #define SUPPORT_CONST_STORE_ZERO_ONLY 0 /* on some risc machines we can */
72 /* only store REG_ZERO */
75 /* float **********************************************************************/
77 #if defined(ENABLE_SOFTFLOAT)
78 # define SUPPORT_FLOAT 0
80 # define SUPPORT_FLOAT 1
83 #if defined(ENABLE_SOFT_FLOAT_CMP)
84 # define SUPPORT_FLOAT_CMP 0
86 # define SUPPORT_FLOAT_CMP 1
90 /* double *********************************************************************/
92 #if defined(ENABLE_SOFTFLOAT)
93 # define SUPPORT_DOUBLE 0
95 # define SUPPORT_DOUBLE 1
98 #if defined(ENABLE_BUILTIN_FLOAT_CMP)
99 # define SUPPORT_DOUBLE_CMP 0
101 # define SUPPORT_DOUBLE_CMP 1
105 #define HAS_4BYTE_STACKSLOT
106 #define SUPPORT_COMBINE_INTEGER_REGISTERS
107 #define SUPPORT_PASS_FLOATARGS_IN_INTREGS
109 #define ALIGN_LONGS_IN_MEMORY /* Align Longs and/or Doubles at */
110 #define ALIGN_DOUBLES_IN_MEMORY /* 2*Stackslotsize relativ to stackframe */
111 /* Memory Positions for not Interface Stackslots (allocate_scratch_registers) */
112 /* are not properly aligned in case HAS_4_BYTE_STACKSLOT is not defined! */
113 /* For HAS_4_BYTE_STACKSLOT archs no distinction is made between long and */
114 /* define SUPPORT_COMBINE_INTEGER_REGISTERS */
117 /* branches *******************************************************************/
119 #define SUPPORT_BRANCH_CONDITIONAL_CONDITION_REGISTER 1
120 #define SUPPORT_BRANCH_CONDITIONAL_UNSIGNED_CONDITIONS 1
121 #define SUPPORT_BRANCH_CONDITIONAL_ONE_INTEGER_REGISTER 0
122 #define SUPPORT_BRANCH_CONDITIONAL_TWO_INTEGER_REGISTERS 0
125 /* exceptions *****************************************************************/
127 #define SUPPORT_HARDWARE_DIVIDE_BY_ZERO 0
130 /* replacement ****************************************************************/
132 #define REPLACEMENT_PATCH_SIZE 4 /* bytes */
133 #define REPLACEMENT_STUB_SIZE 5 /* words */
139 * These are local overrides for various environment variables in Emacs.
140 * Please do not remove this and leave it at the end of the file, where
141 * Emacs will automagically detect them.
142 * ---------------------------------------------------------------------
145 * indent-tabs-mode: t