1 /* src/vm/jit/powerpc/arch.h - architecture defines for PowerPC
3 Copyright (C) 1996-2010
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
49 #define SUPPORT_LONG_ADD 1
50 #define SUPPORT_LONG_CMP 0
51 #define SUPPORT_LONG_CMP_CONST 1
52 #define SUPPORT_LONG_LOGICAL 1
53 #define SUPPORT_LONG_SHIFT 0
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
92 /* Memory Positions for not Interface Stackslots (allocate_scratch_registers)*/
93 /* are not properly aligned in case HAS_4_BYTE_STACKSLOT is not defined! */
94 /* For HAS_4_BYTE_STACKSLOT archs no distinction is made between long and dbl*/
95 #define SUPPORT_COMBINE_INTEGER_REGISTERS
98 /* branches *******************************************************************/
100 #define SUPPORT_BRANCH_CONDITIONAL_CONDITION_REGISTER 1
101 #define SUPPORT_BRANCH_CONDITIONAL_ONE_INTEGER_REGISTER 0
102 #define SUPPORT_BRANCH_CONDITIONAL_TWO_INTEGER_REGISTERS 0
105 /* exceptions *****************************************************************/
107 #define SUPPORT_HARDWARE_DIVIDE_BY_ZERO 0
110 /* stackframe *****************************************************************/
112 #define STACKFRMAE_RA_BETWEEN_FRAMES 0
113 #define STACKFRAME_RA_TOP_OF_FRAME 0
114 #define STACKFRAME_RA_LINKAGE_AREA 1
115 #define STACKFRAME_LEAFMETHODS_RA_REGISTER 1
116 #define STACKFRAME_SYNC_NEEDS_TWO_SLOTS 1
119 /* replacement ****************************************************************/
121 #define REPLACEMENT_PATCH_SIZE 4 /* bytes */
123 /* subtype ********************************************************************/
125 #define USES_NEW_SUBTYPE 1
131 * These are local overrides for various environment variables in Emacs.
132 * Please do not remove this and leave it at the end of the file, where
133 * Emacs will automagically detect them.
134 * ---------------------------------------------------------------------
137 * indent-tabs-mode: t