190 lines
5.8 KiB
C
190 lines
5.8 KiB
C
/* Definitions of target machine for GNU compiler. Sun 2 running Sunos 4.
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Copyright (C) 1987, 1988, 1993, 1996 Free Software Foundation, Inc.
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "m68k/sun2.h"
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/* Define __HAVE_SKY__ in preprocessor, according to the -m flags.
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Also inform the program which CPU this is for. */
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#undef CPP_SPEC
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#undef PTRDIFF_TYPE
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#define PTRDIFF_TYPE "int"
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#undef SIZE_TYPE
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#define SIZE_TYPE "int"
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#undef WCHAR_TYPE
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#define WCHAR_TYPE "short unsigned int"
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#undef WCHAR_TYPE_SIZE
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#define WCHAR_TYPE_SIZE 16
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#if TARGET_DEFAULT & MASK_SKY
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/* -msky is the default */
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#define CPP_SPEC \
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"%{!msoft-float:-D__HAVE_SKY__}\
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%{!ansi:%{m68020:-Dmc68020}%{mc68020:-Dmc68020}%{!mc68020:%{!m68020:-Dmc68010}}}"
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#else
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/* -msoft-float is the default */
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#define CPP_SPEC \
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"%{msky:-D__HAVE_SKY__ }\
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%{!ansi:%{m68020:-Dmc68020}%{mc68020:-Dmc68020}%{!mc68020:%{!m68020:-Dmc68010}}}"
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#endif
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/* STARTFILE_SPEC to include sun floating point initialization
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This is necessary (tr: Sun does it) for the sky routines.
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I'm not sure what would happen below if people gave contradictory
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arguments (eg. -msoft-float -mfpa) */
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#undef STARTFILE_SPEC
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#if TARGET_DEFAULT & MASK_SKY
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/* -msky is the default */
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#define STARTFILE_SPEC \
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"%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}} \
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%{msoft-float:Fcrt1.o%s} \
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%{!msoft-float:Scrt1.o%s}"
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#else
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/* -msoft-float is the default */
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#define STARTFILE_SPEC \
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"%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}} \
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%{msky:Scrt1.o%s} \
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%{!msky:Fcrt1.o%s}"
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#endif
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/* Specify library to handle `-a' basic block profiling.
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Control choice of libm.a (if user says -lm)
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based on fp arith default and options. */
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#undef LIB_SPEC
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#if TARGET_DEFAULT & MASK_SKY
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/* -msky is the default */
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#define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} \
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%{a:/usr/lib/bb_link.o -lc} %{g:-lg} \
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%{msoft-float:-L/usr/lib/fsoft} \
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%{!msoft_float:-L/usr/lib/fsky}"
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#else
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/* -msoft-float is the default */
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#define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} \
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%{a:/usr/lib/bb_link.o -lc} %{g:-lg} \
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%{!msky:-L/usr/lib/fsoft} \
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%{msky:-L/usr/lib/ffpa}"
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#endif
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#undef LINK_SPEC
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#define LINK_SPEC \
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"%{!nostdlib:%{!r*:%{!e*:-e start}}} -dc -dp %{static:-Bstatic}"
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#undef ASM_OUTPUT_DOUBLE
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#define ASM_OUTPUT_DOUBLE(FILE,VALUE) \
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do { if (REAL_VALUE_ISINF (VALUE)) \
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{ \
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if (REAL_VALUE_NEGATIVE (VALUE)) \
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fprintf (FILE, "\t.double 0r-99e999\n"); \
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else \
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fprintf (FILE, "\t.double 0r99e999\n"); \
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} \
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else if (REAL_VALUE_MINUS_ZERO (VALUE)) \
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{ \
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fprintf (FILE, "\t.long 0x80000000,0\n"); \
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} \
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else \
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{ char dstr[30]; \
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REAL_VALUE_TO_DECIMAL ((VALUE), "%.20e", dstr); \
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fprintf (FILE, "\t.double 0r%s\n", dstr); \
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} \
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} while (0)
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/* This is how to output an assembler line defining a `float' constant. */
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#undef ASM_OUTPUT_FLOAT
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#define ASM_OUTPUT_FLOAT(FILE,VALUE) \
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do { if (REAL_VALUE_ISINF (VALUE)) \
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{ \
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if (REAL_VALUE_NEGATIVE (VALUE)) \
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fprintf (FILE, "\t.single 0r-99e999\n"); \
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else \
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fprintf (FILE, "\t.single 0r99e999\n"); \
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} \
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else if (REAL_VALUE_MINUS_ZERO (VALUE)) \
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{ \
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fprintf (FILE, "\t.long 0x80000000\n"); \
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} \
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else \
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{ char dstr[30]; \
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REAL_VALUE_TO_DECIMAL ((VALUE), "%.20e", dstr); \
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fprintf (FILE, "\t.single 0r%s\n", dstr); \
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} \
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} while (0)
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#undef ASM_OUTPUT_FLOAT_OPERAND
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#define ASM_OUTPUT_FLOAT_OPERAND(CODE,FILE,VALUE) \
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do { \
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if (CODE != 'f') \
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{ \
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long l; \
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REAL_VALUE_TO_TARGET_SINGLE (VALUE, l); \
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if (sizeof (int) == sizeof (long)) \
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asm_fprintf ((FILE), "%I0x%x", l); \
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else \
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asm_fprintf ((FILE), "%I0x%lx", l); \
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} \
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else if (REAL_VALUE_ISINF (VALUE)) \
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{ \
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if (REAL_VALUE_NEGATIVE (VALUE)) \
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fprintf (FILE, "#0r-99e999"); \
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else \
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fprintf (FILE, "#0r99e999"); \
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} \
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else if (REAL_VALUE_MINUS_ZERO (VALUE)) \
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{ \
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fprintf (FILE, "#0r-0.0"); \
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} \
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else \
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{ char dstr[30]; \
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REAL_VALUE_TO_DECIMAL ((VALUE), "%.9g", dstr); \
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fprintf (FILE, "#0r%s", dstr); \
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} \
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} while (0)
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#undef ASM_OUTPUT_DOUBLE_OPERAND
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#define ASM_OUTPUT_DOUBLE_OPERAND(FILE,VALUE) \
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do { if (REAL_VALUE_ISINF (VALUE)) \
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{ \
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if (REAL_VALUE_NEGATIVE (VALUE)) \
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fprintf (FILE, "#0r-99e999"); \
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else \
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fprintf (FILE, "#0r99e999"); \
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} \
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else if (REAL_VALUE_MINUS_ZERO (VALUE)) \
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{ \
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fprintf (FILE, "#0r-0.0"); \
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} \
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else \
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{ char dstr[30]; \
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REAL_VALUE_TO_DECIMAL ((VALUE), "%.20g", dstr); \
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fprintf (FILE, "#0r%s", dstr); \
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} \
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} while (0)
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