external/gpl3/gcc/files/i386-minix.h

   1 /* Definitions for Intel 386 running MINIX with ELF format
   2    Copyright (C) 1996, 2000, 2002, 2004 Free Software Foundation, Inc.
   3    Contributed by Eric Youngdale.
   4    Modified for stabs-in-ELF by H.J. Lu.
   5    Adapted from GNU/Linux version by John Polstra.
   6    Continued development by David O'Brien <obrien@freebsd.org>
   7    Adapted for MINIX by Lionel Sambuc <lionel@minix3.org>
   8
   9    This file is part of GCC.
  10
  11    GCC is free software; you can redistribute it and/or modify it
  12    under the terms of the GNU General Public License as published
  13    by the Free Software Foundation; either version 2, or (at your
  14    option) any later version.
  15
  16    GCC is distributed in the hope that it will be useful, but WITHOUT
  17    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  18    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  19    License for more details.
  20
  21    You should have received a copy of the GNU General Public License
  22    along with GCC; see the file COPYING.  If not, write to the
  23    Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
  24    MA 02110-1301, USA.  */
  25
  26 /* Define the actual types of some ANSI-mandated types.
  27    Needs to agree with <machine/ansi.h>.  GCC defaults come from c-decl.c,
  28    c-common.c, and config/<arch>/<arch>.h. */
  29 #undef  SIZE_TYPE
  30 #define SIZE_TYPE       (TARGET_64BIT ? "long unsigned int" : "unsigned int")
  31
  32 #undef  PTRDIFF_TYPE
  33 #define PTRDIFF_TYPE    (TARGET_64BIT ? "long int" : "int")
  34
  35 /* Override the default comment-starter of "/".  */
  36 #undef  ASM_COMMENT_START
  37 #define ASM_COMMENT_START "#"
  38
  39 #undef  ASM_APP_ON
  40 #define ASM_APP_ON "#APP\n"
  41
  42 #undef  ASM_APP_OFF
  43 #define ASM_APP_OFF "#NO_APP\n"
  44
  45 #undef  DBX_REGISTER_NUMBER
  46 #define DBX_REGISTER_NUMBER(n) \
  47   (TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n])
  48
  49 #undef  NO_PROFILE_COUNTERS
  50 #define NO_PROFILE_COUNTERS     1
  51
  52 /* Tell final.c that we don't need a label passed to mcount.  */
  53 #undef  MCOUNT_NAME
  54 #define MCOUNT_NAME ".mcount"
  55
  56 /* A C statement to output to the stdio stream FILE an assembler
  57    command to advance the location counter to a multiple of 1<<LOG
  58    bytes if it is within MAX_SKIP bytes.
  59
  60    This is used to align code labels according to Intel recommendations.  */
  61 #ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
  62 #undef  ASM_OUTPUT_MAX_SKIP_ALIGN
  63 #define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE, LOG, MAX_SKIP)                  \
  64   if ((LOG) != 0) {                                                     \
  65     if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG));    \
  66     else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP));    \
  67   }
  68 #endif
  69
  70 #undef SUBTARGET32_DEFAULT_CPU
  71 #define SUBTARGET32_DEFAULT_CPU "i586"
  72
  73 #undef X87_ENABLE_ARITH
  74 #define X87_ENABLE_ARITH(MODE) \
  75   (flag_excess_precision == EXCESS_PRECISION_FAST || (MODE) == DFmode)