src/vm/jit/arm/arch.h

   1 /* src/vm/jit/arm/arch.h - architecture defines for arm
   2
   3    Copyright (C) 1996-2010
   4    CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
   5
   6    This file is part of CACAO.
   7
   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.
  12
  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.
  17
  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
  21    02110-1301, USA.
  22
  23 */
  24
  25
  26 #ifndef _ARCH_H
  27 #define _ARCH_H
  28
  29 #define JIT_COMPILER_VIA_SIGNAL
  30
  31 #include "config.h"
  32
  33
  34 /* define architecture features ***********************************************/
  35
  36 #define SUPPORT_DIVISION                 0
  37 #define SUPPORT_LONG                     1
  38
  39 #define SUPPORT_I2F                      1
  40 #define SUPPORT_I2D                      1
  41 #define SUPPORT_L2F                      0
  42 #define SUPPORT_L2D                      0
  43
  44 #define SUPPORT_F2I                      1
  45 #define SUPPORT_F2L                      0
  46 #define SUPPORT_D2I                      1
  47 #define SUPPORT_D2L                      0
  48
  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
  56
  57 #define SUPPORT_LONG_DIV_POW2            0
  58 #define SUPPORT_LONG_REM_POW2            0
  59
  60 #define SUPPORT_CONST_LOGICAL            0  /* AND, OR, XOR with immediates   */
  61 #define SUPPORT_CONST_MUL                0  /* mutiply with immediate         */
  62 #define SUPPORT_CONST_STORE              0  /* do we support const stores     */
  63 #define SUPPORT_CONST_STORE_ZERO_ONLY    0  /* on some risc machines we can   */
  64                                             /* only store REG_ZERO            */
  65
  66
  67 /* float **********************************************************************/
  68
  69 #if defined(ENABLE_SOFTFLOAT)
  70 # define SUPPORT_FLOAT                   0
  71 #else
  72 # define SUPPORT_FLOAT                   1
  73 #endif
  74
  75 #if defined(ENABLE_SOFT_FLOAT_CMP)
  76 # define SUPPORT_FLOAT_CMP               0
  77 #else
  78 # define SUPPORT_FLOAT_CMP               1
  79 #endif
  80
  81
  82 /* double *********************************************************************/
  83
  84 #if defined(ENABLE_SOFTFLOAT)
  85 # define SUPPORT_DOUBLE                  0
  86 #else
  87 # define SUPPORT_DOUBLE                  1
  88 #endif
  89
  90 #if defined(ENABLE_BUILTIN_FLOAT_CMP)
  91 # define SUPPORT_DOUBLE_CMP              0
  92 #else
  93 # define SUPPORT_DOUBLE_CMP              1
  94 #endif
  95
  96
  97 #define SUPPORT_COMBINE_INTEGER_REGISTERS
  98 #define SUPPORT_PASS_FLOATARGS_IN_INTREGS
  99
 100
 101 /* branches *******************************************************************/
 102
 103 #define SUPPORT_BRANCH_CONDITIONAL_CONDITION_REGISTER       1
 104 #define SUPPORT_BRANCH_CONDITIONAL_UNSIGNED_CONDITIONS      1
 105 #define SUPPORT_BRANCH_CONDITIONAL_ONE_INTEGER_REGISTER     0
 106 #define SUPPORT_BRANCH_CONDITIONAL_TWO_INTEGER_REGISTERS    0
 107
 108
 109 /* exceptions *****************************************************************/
 110
 111 #define SUPPORT_HARDWARE_DIVIDE_BY_ZERO  0
 112
 113
 114 /* stackframe *****************************************************************/
 115
 116 #define STACKFRMAE_RA_BETWEEN_FRAMES              0
 117 #define STACKFRAME_RA_TOP_OF_FRAME                1
 118 #define STACKFRAME_RA_LINKAGE_AREA                0
 119 #define STACKFRAME_LEAFMETHODS_RA_REGISTER        1
 120 #define STACKFRAME_SYNC_NEEDS_TWO_SLOTS           0
 121
 122
 123 /* replacement ****************************************************************/
 124
 125 #define REPLACEMENT_PATCH_SIZE           4 /* bytes */
 126
 127 /* subtype ********************************************************************/
 128
 129 #define USES_NEW_SUBTYPE                 1
 130
 131 #endif /* _ARCH_H */
 132
 133
 134 /*
 135  * These are local overrides for various environment variables in Emacs.
 136  * Please do not remove this and leave it at the end of the file, where
 137  * Emacs will automagically detect them.
 138  * ---------------------------------------------------------------------
 139  * Local variables:
 140  * mode: c
 141  * indent-tabs-mode: t
 142  * c-basic-offset: 4
 143  * tab-width: 4
 144  * End:
 145  */