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config.gcc: Update *-*-vxworks* generic hook and comments.
[thirdparty/gcc.git] / gcc / config / i386 / vxworks.h
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1/* Definitions of target machine for GCC. VxWorks i586 version.
2 Copyright (C) 2003 Free Software Foundation, Inc.
3
4This file is part of GCC.
5
6GCC is free software; you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published by
8the Free Software Foundation; either version 2, or (at your option)
9any later version.
10
11GCC is distributed in the hope that it will be useful,
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14GNU General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with GCC; see the file COPYING. If not, write to
18the Free Software Foundation, 59 Temple Place - Suite 330,
19Boston, MA 02111-1307, USA. */
20
21
22#define HANDLE_SYSV_PRAGMA 1
23
24#undef TARGET_VERSION
25#define TARGET_VERSION fprintf (stderr, " (80586, VxWorks syntax)");
26
27/* Prefix for internally generated assembler labels. If we aren't using
28 underscores, we are using prefix `.'s to identify labels that should
29 be ignored, as in `i386/gas.h' --karl@cs.umb.edu */
30
31#define LPREFIX "L"
32
33/* Assembler pseudos to introduce constants of various size. */
34
35#define ASM_SHORT "\t.word\t"
36#define ASM_LONG "\t.long\t"
37#define ASM_QUAD "\t.quad\t" /* Should not be used for 32bit compilation. */
38
39
40#define ASM_OUTPUT_ALIGN(FILE,LOG) \
41 if ((LOG)!=0) fprintf ((FILE), "\t.balign %d\n", 1<<(LOG))
42
43#undef ASM_SPEC
44#define ASM_SPEC "%{v:-V} %{Qy:} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*}"
45
46#define TARGET_OS_CPP_BUILTINS() \
47 do \
48 { \
49 builtin_define ("__vxworks"); \
50 builtin_assert ("system=unix"); \
51 \
52 if (TARGET_386) \
53 builtin_define ("CPU=I80386"); \
54 else if (TARGET_486) \
55 builtin_define ("CPU=I80486"); \
56 else if (TARGET_PENTIUM) \
57 { \
58 builtin_define ("CPU=PENTIUM"); \
59 builtin_define ("CPU_VARIANT=PENTIUM"); \
60 } \
61 else if (TARGET_PENTIUMPRO) \
62 { \
63 builtin_define ("CPU=PENTIUM2"); \
64 builtin_define ("CPU_VARIANT=PENTIUMPRO"); \
65 } \
66 else if (TARGET_PENTIUM4) \
67 { \
68 builtin_define ("CPU=PENTIUM4"); \
69 builtin_define ("CPU_VARIANT=PENTIUM4"); \
70 } \
71 } \
72 while (0)
73
74