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Annotation of gcc/config/sun2o4.h, revision 1.1

1.1     ! root        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)))

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