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/* Definitions for Sequent Intel 386.
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 BSD assembler syntax. */
#include "tm-bsd386.h"
/* By default, target has a 80387. */
#define TARGET_DEFAULT 1
/* Specify predefined symbols in preprocessor. */
#define CPP_PREDEFINES "-Dunix -Di386 -Dsequent"
/* Pass -Z and -ZO options to the linker. */
#define LINK_SPEC "%{Z*}"
/* We don't want to output SDB debugging information. */
#undef SDB_DEBUGGING_INFO
/* We want to output DBX debugging information. */
#define DBX_DEBUGGING_INFO
/* gcc order is ax, dx, cx, bx, si, di, bp, sp, st, st.
* dbx order is ax, dx, cx, st(0), st(1), bx, si, di, st(2), st(3),
* st(4), st(5), st(6), st(7), sp, bp */
#undef DBX_REGISTER_NUMBER
#define DBX_REGISTER_NUMBER(n) \
((n) < 3 ? (n) : (n) < 6 ? (n) + 2 \
: (n) == 6 ? 15 : (n) == 7 ? 14 : 3)
/* Prevent anything from being allocated in the register pair cx/bx,
since that would confuse GDB. */
#undef HARD_REGNO_MODE_OK
#define HARD_REGNO_MODE_OK(REGNO, MODE) \
(hard_regno_mode_ok (REGNO, MODE) \
&& ! (REGNO == 2 && GET_MODE_SIZE (MODE) > 4))
/* Floating-point return values come in the FP register. */
#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)
/* Output assembler code to FILE to increment profiler label # LABELNO
for profiling a function entry. */
#undef FUNCTION_PROFILER
#define FUNCTION_PROFILER(FILE, LABELNO) \
fprintf (FILE, "\tmovl $LP%d,%%eax\n\tcall mcount\n", (LABELNO));
/* Assember pseudo-op for shared data segment. */
#define SHARED_SECTION_ASM_OP ".shdata"
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