1996-09-18 05:35:50 +00:00
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/* Definitions for Unix assembler syntax for the Intel 80386.
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2002-02-01 18:16:02 +00:00
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Copyright (C) 1988, 1994, 1999, 2000, 2001 Free Software Foundation, Inc.
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1996-09-18 05:35:50 +00:00
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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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/* This file defines the aspects of assembler syntax
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that are the same for all the i386 Unix systems
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(though they may differ in non-Unix systems). */
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2002-02-01 18:16:02 +00:00
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#define DEFAULT_ASSEMBLER_DIALECT 0
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1996-09-18 05:35:50 +00:00
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/* Define macro used to output shift-double opcodes when the shift
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count is in %cl. Some assemblers require %cl as an argument;
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some don't. This macro controls what to do: by default, don't
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print %cl. */
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1999-08-26 09:30:50 +00:00
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#define SHIFT_DOUBLE_OMITS_COUNT 1
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1996-09-18 05:35:50 +00:00
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/* Define the syntax of pseudo-ops, labels and comments. */
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/* String containing the assembler's comment-starter. */
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#define ASM_COMMENT_START "/"
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/* Output to assembler file text saying following lines
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may contain character constants, extra white space, comments, etc. */
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#define ASM_APP_ON "/APP\n"
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/* Output to assembler file text saying following lines
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no longer contain unusual constructs. */
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#define ASM_APP_OFF "/NO_APP\n"
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/* Output before read-only data. */
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2002-02-01 18:16:02 +00:00
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#define TEXT_SECTION_ASM_OP "\t.text"
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1996-09-18 05:35:50 +00:00
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/* Output before writable (initialized) data. */
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2002-02-01 18:16:02 +00:00
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#define DATA_SECTION_ASM_OP "\t.data"
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1996-09-18 05:35:50 +00:00
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/* Output before writable (uninitialized) data. */
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2002-02-01 18:16:02 +00:00
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#define BSS_SECTION_ASM_OP "\t.bss"
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1996-09-18 05:35:50 +00:00
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/* This is how to output a command to make the user-level label named NAME
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defined for reference from other files. */
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#define ASM_GLOBALIZE_LABEL(FILE,NAME) \
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(fputs (".globl ", FILE), assemble_name (FILE, NAME), fputs ("\n", FILE))
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/* By default, target has a 80387, uses IEEE compatible arithmetic,
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1999-10-16 06:09:09 +00:00
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and returns float values in the 387. */
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1996-09-18 05:35:50 +00:00
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2002-02-01 18:16:02 +00:00
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#define TARGET_SUBTARGET_DEFAULT (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS)
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1996-09-18 05:35:50 +00:00
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/* Floating-point return values come in the FP register. */
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#define VALUE_REGNO(MODE) \
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(GET_MODE_CLASS (MODE) == MODE_FLOAT \
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2002-02-01 18:16:02 +00:00
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&& TARGET_FLOAT_RETURNS_IN_80387 ? FIRST_FLOAT_REG \
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: (MODE) == TImode || VECTOR_MODE_P (MODE) ? FIRST_SSE_REG \
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: 0)
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1996-09-18 05:35:50 +00:00
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1999-08-26 09:30:50 +00:00
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/* Output code to add DELTA to the first argument, and then jump to FUNCTION.
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Used for C++ multiple inheritance. */
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2002-09-01 20:38:57 +00:00
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#define ASM_OUTPUT_MI_THUNK(FILE, THUNK_FNDECL, DELTA, FUNCTION) \
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x86_output_mi_thunk (FILE, DELTA, FUNCTION);
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