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/* Definitions for Intel 386 running system V.
Copyright (C) 1988 Free Software Foundation, Inc.
This file is part of GNU CC.
GNU CC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 1, or (at your option)
any later version.
GNU CC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "tm-i386.h"
/* Use the ATT assembler syntax. */
#include "tm-att386.h"
/* By default, target has a 80387. */
#define TARGET_DEFAULT 1
/* Use crt1.o as a startup file and crtn.o as a closing file. */
#define STARTFILE_SPEC \
"%{pg:gcrt1.o%s}%{!pg:%{posix:%{p:mcrtp1.o%s}%{!p:crtp1.o%s}}%{!posix:%{p:mcrt1.o%s}%{!p:crt1.o%s}}}\
%{p:-L/usr/lib/libp}%{pg:-L/usr/lib/libp}"
#define LIB_SPEC "%{posix:-lcposix} %{shlib:-lc_s} -lc crtn.o%s"
/* Specify predefined symbols in preprocessor. */
#define CPP_PREDEFINES "-Dunix -Di386"
#define CPP_SPEC "%{posix:-D_POSIX_SOURCE}"
/* Allow #sccs in preprocessor. */
#define SCCS_DIRECTIVE
/* Output #ident as a .ident. */
#define ASM_OUTPUT_IDENT(FILE, NAME) fprintf (FILE, "\t.ident \"%s\"\n", NAME);
/* We want to output SDB debugging information. */
#define SDB_DEBUGGING_INFO
/* We don't want to output DBX debugging information. */
#undef DBX_DEBUGGING_INFO
/* Implicit library calls should use memcpy, not bcopy, etc. */
#define TARGET_MEM_FUNCTIONS
/* Writing `int' for a bitfield forces int alignment for the structure. */
#define PCC_BITFIELD_TYPE_MATTERS 1
/* Don't write a `.optim' pseudo; this assembler doesn't handle them. */
#undef ASM_FILE_START_1
#define ASM_FILE_START_1(FILE)
/* Machines that use the AT&T assembler syntax
also return floating point values in an FP register. */
/* Define how to find the value returned by a function.
VALTYPE is the data type of the value (as a tree).
If the precise function being called is known, FUNC is its FUNCTION_DECL;
otherwise, FUNC is 0. */
#define VALUE_REGNO(MODE) \
(((MODE)==SFmode || (MODE)==DFmode) ? FIRST_FLOAT_REG : 0)
/* 1 if N is a possible register number for a function value. */
#define FUNCTION_VALUE_REGNO_P(N) ((N) == 0 || (N)== FIRST_FLOAT_REG)
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