gcc/config/m68k/sun2o4.h

   1 /* Definitions of target machine for GNU compiler.  Sun 2 running Sunos 4.
   2    Copyright (C) 1987, 1988, 1993, 1996 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, 59 Temple Place - Suite 330,
  19 Boston, MA 02111-1307, USA.  */
  20
  21 #include "m68k/sun2.h"
  22
  23
  24 /* Define __HAVE_SKY__ in preprocessor, according to the -m flags.
  25    Also inform the program which CPU this is for.  */
  26
  27 #undef CPP_SPEC
  28
  29 #undef PTRDIFF_TYPE
  30 #define PTRDIFF_TYPE "int"
  31 #undef SIZE_TYPE
  32 #define SIZE_TYPE "int"
  33 #undef WCHAR_TYPE
  34 #define WCHAR_TYPE "short unsigned int"
  35 #undef WCHAR_TYPE_SIZE
  36 #define WCHAR_TYPE_SIZE 16
  37
  38 #if TARGET_DEFAULT & MASK_SKY
  39
  40 /* -msky is the default */
  41 #define CPP_SPEC \
  42 "%{!msoft-float:-D__HAVE_SKY__}\
  43 %{!ansi:%{m68020:-Dmc68020}%{mc68020:-Dmc68020}%{!mc68020:%{!m68020:-Dmc68010}}}"
  44
  45 #else
  46
  47 /* -msoft-float is the default */
  48 #define CPP_SPEC \
  49 "%{msky:-D__HAVE_SKY__ }\
  50 %{!ansi:%{m68020:-Dmc68020}%{mc68020:-Dmc68020}%{!mc68020:%{!m68020:-Dmc68010}}}"
  51
  52 #endif
  53
  54 /* STARTFILE_SPEC to include sun floating point initialization
  55    This is necessary (tr: Sun does it) for the sky routines.
  56    I'm not sure what would happen below if people gave contradictory
  57    arguments (eg. -msoft-float -mfpa) */
  58
  59 #undef STARTFILE_SPEC
  60
  61 #if TARGET_DEFAULT & MASK_SKY
  62 /* -msky is the default */
  63 #define STARTFILE_SPEC                                  \
  64   "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}   \
  65    %{msoft-float:Fcrt1.o%s}                             \
  66    %{!msoft-float:Scrt1.o%s}"
  67 #else
  68 /* -msoft-float is the default */
  69 #define STARTFILE_SPEC                                  \
  70   "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}   \
  71    %{msky:Scrt1.o%s}                                    \
  72    %{!msky:Fcrt1.o%s}"
  73 #endif
  74
  75 /* Specify library to handle `-a' basic block profiling.
  76    Control choice of libm.a (if user says -lm)
  77    based on fp arith default and options.  */
  78
  79 #undef LIB_SPEC
  80
  81 #if TARGET_DEFAULT & MASK_SKY
  82 /* -msky is the default */
  83 #define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} \
  84 %{a:/usr/lib/bb_link.o -lc} %{g:-lg} \
  85 %{msoft-float:-L/usr/lib/fsoft} \
  86 %{!msoft_float:-L/usr/lib/fsky}"
  87 #else
  88 /* -msoft-float is the default */
  89 #define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} \
  90 %{a:/usr/lib/bb_link.o -lc} %{g:-lg} \
  91 %{!msky:-L/usr/lib/fsoft} \
  92 %{msky:-L/usr/lib/ffpa}"
  93 #endif
  94
  95 #undef LINK_SPEC
  96 #define LINK_SPEC \
  97   "%{!nostdlib:%{!r*:%{!e*:-e start}}} -dc -dp %{static:-Bstatic}"
  98
  99 #undef ASM_OUTPUT_DOUBLE
 100 #define ASM_OUTPUT_DOUBLE(FILE,VALUE)                                   \
 101   do { if (REAL_VALUE_ISINF (VALUE))                                    \
 102         {                                                               \
 103           if (REAL_VALUE_NEGATIVE (VALUE))                              \
 104             fprintf (FILE, "\t.double 0r-99e999\n");                    \
 105           else                                                          \
 106             fprintf (FILE, "\t.double 0r99e999\n");                     \
 107         }                                                               \
 108       else if (REAL_VALUE_MINUS_ZERO (VALUE))                           \
 109         {                                                               \
 110           fprintf (FILE, "\t.long 0x80000000,0\n");                     \
 111         }                                                               \
 112       else                                                              \
 113         { char dstr[30];                                                \
 114           REAL_VALUE_TO_DECIMAL ((VALUE), "%.20e", dstr);               \
 115           fprintf (FILE, "\t.double 0r%s\n", dstr);                     \
 116         }                                                               \
 117     } while (0)
 118
 119 /* This is how to output an assembler line defining a `float' constant.  */
 120
 121 #undef ASM_OUTPUT_FLOAT
 122 #define ASM_OUTPUT_FLOAT(FILE,VALUE)                                    \
 123  do { if (REAL_VALUE_ISINF (VALUE))                                     \
 124         {                                                               \
 125           if (REAL_VALUE_NEGATIVE (VALUE))                              \
 126             fprintf (FILE, "\t.single 0r-99e999\n");                    \
 127           else                                                          \
 128             fprintf (FILE, "\t.single 0r99e999\n");                     \
 129         }                                                               \
 130       else if (REAL_VALUE_MINUS_ZERO (VALUE))                           \
 131         {                                                               \
 132           fprintf (FILE, "\t.long 0x80000000\n");                       \
 133         }                                                               \
 134       else                                                              \
 135         { char dstr[30];                                                \
 136           REAL_VALUE_TO_DECIMAL ((VALUE), "%.20e", dstr);               \
 137           fprintf (FILE, "\t.single 0r%s\n", dstr);                     \
 138         }                                                               \
 139     } while (0)
 140
 141 #undef ASM_OUTPUT_FLOAT_OPERAND
 142 #define ASM_OUTPUT_FLOAT_OPERAND(CODE,FILE,VALUE)               \
 143  do {                                                           \
 144       if (CODE != 'f')                                          \
 145         {                                                       \
 146           long l;                                               \
 147           REAL_VALUE_TO_TARGET_SINGLE (VALUE, l);               \
 148           if (sizeof (int) == sizeof (long))                    \
 149             asm_fprintf ((FILE), "%I0x%x", l);                  \
 150           else                                                  \
 151             asm_fprintf ((FILE), "%I0x%lx", l);                 \
 152         }                                                       \
 153       else if (REAL_VALUE_ISINF (VALUE))                        \
 154         {                                                       \
 155           if (REAL_VALUE_NEGATIVE (VALUE))                      \
 156             fprintf (FILE, "#0r-99e999");                       \
 157           else                                                  \
 158             fprintf (FILE, "#0r99e999");                        \
 159         }                                                       \
 160       else if (REAL_VALUE_MINUS_ZERO (VALUE))                   \
 161         {                                                       \
 162           fprintf (FILE, "#0r-0.0");                            \
 163         }                                                       \
 164       else                                                      \
 165         { char dstr[30];                                        \
 166           REAL_VALUE_TO_DECIMAL ((VALUE), "%.9g", dstr);        \
 167           fprintf (FILE, "#0r%s", dstr);                        \
 168         }                                                       \
 169     } while (0)
 170
 171 #undef ASM_OUTPUT_DOUBLE_OPERAND
 172 #define ASM_OUTPUT_DOUBLE_OPERAND(FILE,VALUE)                           \
 173  do { if (REAL_VALUE_ISINF (VALUE))                                     \
 174         {                                                               \
 175           if (REAL_VALUE_NEGATIVE (VALUE))                              \
 176             fprintf (FILE, "#0r-99e999");                               \
 177           else                                                          \
 178             fprintf (FILE, "#0r99e999");                                \
 179         }                                                               \
 180       else if (REAL_VALUE_MINUS_ZERO (VALUE))                           \
 181         {                                                               \
 182           fprintf (FILE, "#0r-0.0");                                    \
 183         }                                                               \
 184       else                                                              \
 185         { char dstr[30];                                                \
 186           REAL_VALUE_TO_DECIMAL ((VALUE), "%.20g", dstr);               \
 187           fprintf (FILE, "#0r%s", dstr);                                \
 188         }                                                               \
 189     } while (0)