gcc/config/m68k/sun2o4.h

   1 /* Definitions of target machine for GNU compiler.  Sun 2 running Sunos 4.
   2    Copyright (C) 1987, 1988 Free Software Foundation, Inc.
   3
   4 This file is part of GNU CC.
   5
   6 GNU CC is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU CC is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU CC; see the file COPYING.  If not, write to
  18 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  19
  20 #include "sun2.h"
  21
  22
  23 /* Define __HAVE_SKY__ in preprocessor, according to the -m flags.
  24    Also inform the program which CPU this is for.  */
  25
  26 #undef CPP_SPEC
  27
  28 #undef PTRDIFF_TYPE
  29 #define PTRDIFF_TYPE "int"
  30 #undef SIZE_TYPE
  31 #define SIZE_TYPE "int"
  32 #undef WCHAR_TYPE
  33 #define WCHAR_TYPE "short unsigned int"
  34 #undef WCHAR_TYPE_SIZE
  35 #define WCHAR_TYPE_SIZE 16
  36
  37 #if TARGET_DEFAULT & 0200
  38
  39 /* -msky is the default */
  40 #define CPP_SPEC \
  41 "%{!msoft-float:-D__HAVE_SKY__}\
  42 %{!ansi:%{m68020:-Dmc68020}%{mc68020:-Dmc68020}%{!mc68020:%{!m68020:-Dmc68010}}}"
  43
  44 #else
  45
  46 /* -msoft-float is the default */
  47 #define CPP_SPEC \
  48 "%{msky:-D__HAVE_SKY__ }\
  49 %{!ansi:%{m68020:-Dmc68020}%{mc68020:-Dmc68020}%{!mc68020:%{!m68020:-Dmc68010}}}"
  50
  51 #endif
  52
  53 /* STARTFILE_SPEC to include sun floating point initialization
  54    This is necessary (tr: Sun does it) for the sky routines.
  55    I'm not sure what would happen below if people gave contradictory
  56    arguments (eg. -msoft-float -mfpa) */
  57
  58 #undef STARTFILE_SPEC
  59
  60 #if TARGET_DEFAULT & 0200
  61 /* -msky is the default */
  62 #define STARTFILE_SPEC                                  \
  63   "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}   \
  64    %{msoft-float:Fcrt1.o%s}                             \
  65    %{!msoft-float:Scrt1.o%s}"
  66 #else
  67 /* -msoft-float is the default */
  68 #define STARTFILE_SPEC                                  \
  69   "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}   \
  70    %{msky:Scrt1.o%s}                                    \
  71    %{!msky:Fcrt1.o%s}"
  72 #endif
  73
  74 /* Specify library to handle `-a' basic block profiling.
  75    Control choice of libm.a (if user says -lm)
  76    based on fp arith default and options.  */
  77
  78 #undef LIB_SPEC
  79
  80 #if TARGET_DEFAULT & 0200
  81 /* -msky is the default */
  82 #define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} \
  83 %{a:/usr/lib/bb_link.o -lc} %{g:-lg} \
  84 %{msoft-float:-L/usr/lib/fsoft} \
  85 %{!msoft_float:-L/usr/lib/fsky}"
  86 #else
  87 /* -msoft-float is the default */
  88 #define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} \
  89 %{a:/usr/lib/bb_link.o -lc} %{g:-lg} \
  90 %{!msky:-L/usr/lib/fsoft} \
  91 %{msky:-L/usr/lib/ffpa}"
  92 #endif
  93
  94 #undef LINK_SPEC
  95 #define LINK_SPEC "%{!e*:-e start} -dc -dp %{g:-Bstatic} %{static:-Bstatic}"
  96
  97 #undef ASM_OUTPUT_DOUBLE
  98 #define ASM_OUTPUT_DOUBLE(FILE,VALUE)                                   \
  99   (REAL_VALUE_ISINF ((VALUE))                                           \
 100    ? fprintf (FILE, "\t.double 0r%s99e999\n", ((VALUE) > 0 ? "" : "-")) \
 101    : REAL_VALUE_MINUS_ZERO ((VALUE))                                    \
 102    ? fprintf (FILE, "\t.long 0x80000000,0\n")                           \
 103    : fprintf (FILE, "\t.double 0r%.20e\n", (VALUE)))
 104
 105 /* This is how to output an assembler line defining a `float' constant.  */
 106
 107 #undef ASM_OUTPUT_FLOAT
 108 #define ASM_OUTPUT_FLOAT(FILE,VALUE)                                    \
 109   (REAL_VALUE_ISINF ((VALUE))                                           \
 110    ? fprintf (FILE, "\t.single 0r%s99e999\n", ((VALUE) > 0 ? "" : "-")) \
 111    : REAL_VALUE_MINUS_ZERO ((VALUE))                                    \
 112    ? fprintf (FILE, "\t.long 0x80000000\n")                             \
 113    : fprintf (FILE, "\t.single 0r%.20e\n", (VALUE)))
 114
 115 #undef ASM_OUTPUT_FLOAT_OPERAND
 116 #define ASM_OUTPUT_FLOAT_OPERAND(FILE,VALUE)                            \
 117   (REAL_VALUE_ISINF ((VALUE))                                           \
 118    ? fprintf (FILE, "#0r%s99e999", ((VALUE) > 0 ? "" : "-"))            \
 119    : REAL_VALUE_MINUS_ZERO ((VALUE))                                    \
 120    ? fprintf (FILE, "#0r-0.0")                                          \
 121    : fprintf (FILE, "#0r%.9g", (VALUE)))
 122
 123 #undef ASM_OUTPUT_DOUBLE_OPERAND
 124 #define ASM_OUTPUT_DOUBLE_OPERAND(FILE,VALUE)                           \
 125   (REAL_VALUE_ISINF ((VALUE))                                           \
 126    ? fprintf (FILE, "#0r%s99e999", ((VALUE) > 0 ? "" : "-"))            \
 127    : REAL_VALUE_MINUS_ZERO ((VALUE))                                    \
 128    ? fprintf (FILE, "#0r-0.0")                                          \
 129    : fprintf (FILE, "#0r%.20g", (VALUE)))