src/vm/jit/s390/arch.h

   1 /* src/vm/jit/s390/arch.h - architecture defines for S390
   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 #include "config.h"
  30
  31
  32 /* define architecture features ***********************************************/
  33
  34 #define SUPPORT_DIVISION                 1
  35 #define SUPPORT_LONG                     1
  36
  37 #define SUPPORT_I2F                      1
  38 #define SUPPORT_I2D                      1
  39 #define SUPPORT_L2F                      0
  40 #define SUPPORT_L2D                      0
  41
  42 #define SUPPORT_F2I                      1
  43 #define SUPPORT_F2L                      0
  44 #define SUPPORT_D2I                      1
  45 #define SUPPORT_D2L                      0
  46
  47 #define SUPPORT_LONG_ADD                 1
  48 #define SUPPORT_LONG_CMP                 0
  49 #define SUPPORT_LONG_CMP_CONST           1
  50 #define SUPPORT_LONG_LOGICAL             1
  51 #define SUPPORT_LONG_SHIFT               1
  52 #define SUPPORT_LONG_MUL                 0
  53 #define SUPPORT_LONG_DIV                 0
  54
  55 #define SUPPORT_LONG_DIV_POW2            0
  56 #define SUPPORT_LONG_REM_POW2            0
  57
  58 #define SUPPORT_CONST_LOGICAL            1  /* AND, OR, XOR with immediates   */
  59 #define SUPPORT_CONST_MUL                1  /* mutiply with immediate         */
  60
  61 #define SUPPORT_CONST_STORE              0  /* do we support const stores     */
  62 #define SUPPORT_CONST_STORE_ZERO_ONLY    0  /* on some risc machines we can   */
  63                                             /* only store REG_ZERO            */
  64
  65
  66 /* float **********************************************************************/
  67
  68 #define SUPPORT_FLOAT                    1
  69
  70 #if defined(ENABLE_SOFT_FLOAT_CMP)
  71 # define SUPPORT_FLOAT_CMP               0
  72 #else
  73 # define SUPPORT_FLOAT_CMP               1
  74 #endif
  75
  76
  77 /* double *********************************************************************/
  78
  79 #define SUPPORT_DOUBLE                   1
  80
  81 #if defined(ENABLE_SOFT_FLOAT_CMP)
  82 # define SUPPORT_DOUBLE_CMP              0
  83 #else
  84 # define SUPPORT_DOUBLE_CMP              1
  85 #endif
  86
  87
  88 #define CONSECUTIVE_INTEGER_ARGS
  89 #define CONSECUTIVE_FLOAT_ARGS
  90
  91 /* branches *******************************************************************/
  92
  93 #define SUPPORT_BRANCH_CONDITIONAL_CONDITION_REGISTER       1
  94 #define SUPPORT_BRANCH_CONDITIONAL_ONE_INTEGER_REGISTER     0
  95 #define SUPPORT_BRANCH_CONDITIONAL_TWO_INTEGER_REGISTERS    0
  96 #define SUPPORT_BRANCH_CONDITIONAL_UNSIGNED_CONDITIONS      0
  97
  98 /* exceptions *****************************************************************/
  99
 100 #define SUPPORT_HARDWARE_DIVIDE_BY_ZERO  1
 101
 102 /* stackframe *****************************************************************/
 103
 104 #define STACKFRMAE_RA_BETWEEN_FRAMES              0
 105 #define STACKFRAME_RA_TOP_OF_FRAME                1
 106 #define STACKFRAME_RA_LINKAGE_AREA                0
 107 #define STACKFRAME_LEAFMETHODS_RA_REGISTER        0
 108 #define STACKFRAME_SYNC_NEEDS_TWO_SLOTS           1
 109
 110 /* replacement ****************************************************************/
 111
 112 #define REPLACEMENT_PATCH_SIZE           5             /* bytes */
 113
 114 /* misc ***********************************************************************/
 115
 116 #define SUPPORT_COMBINE_INTEGER_REGISTERS
 117
 118 #define JIT_COMPILER_VIA_SIGNAL
 119
 120 #endif /* _ARCH_H */
 121
 122
 123 /*
 124  * These are local overrides for various environment variables in Emacs.
 125  * Please do not remove this and leave it at the end of the file, where
 126  * Emacs will automagically detect them.
 127  * ---------------------------------------------------------------------
 128  * Local variables:
 129  * mode: c
 130  * indent-tabs-mode: t
 131  * c-basic-offset: 4
 132  * tab-width: 4
 133  * End:
 134  */