src/m/amdx86-64.h

   1 /* machine description file for AMD x86-64.
   2
   3 Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
   4   Free Software Foundation, Inc.
   5
   6 This file is part of GNU Emacs.
   7
   8 GNU Emacs is free software: you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation, either version 3 of the License, or
  11 (at your option) any later version.
  12
  13 GNU Emacs is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
  20
  21 #define BITS_PER_LONG           64
  22 #define BITS_PER_EMACS_INT      64
  23
  24 /* Define WORDS_BIG_ENDIAN if lowest-numbered byte in a word
  25    is the most significant byte.  */
  26 #undef WORDS_BIG_ENDIAN
  27
  28 /* Now define a symbol for the cpu type, if your compiler
  29    does not define it automatically:
  30    Ones defined so far include vax, m68000, ns16000, pyramid,
  31    orion, tahoe, APOLLO and many others */
  32 /* __x86_64 defined automatically.  */
  33
  34 /* Define the type to use.  */
  35 #define EMACS_INT               long
  36 #define EMACS_UINT              unsigned long
  37
  38 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
  39    the 24-bit bit field into an int.  In other words, if bit fields
  40    are always unsigned.
  41
  42    This flag only matters if you use USE_LISP_UNION_TYPE.  */
  43 #define EXPLICIT_SIGN_EXTEND
  44
  45 /* Data type of load average, as read out of kmem.  */
  46 #define LOAD_AVE_TYPE long
  47
  48 /* Convert that into an integer that is 100 for a load average of 1.0  */
  49 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
  50
  51 /* Define XPNTR to avoid or'ing with DATA_SEG_BITS */
  52 #undef DATA_SEG_BITS
  53
  54 /* arch-tag: 8a5e001d-e12e-4692-a3a6-0b15ba271c6e
  55    (do not change this comment) */