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annotate gcc/config/rs6000/option-defaults.h @ 67:f6334be47118

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update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
author nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
date Tue, 22 Mar 2011 17:18:12 +0900
parents 77e2b8dfacca
children 04ced10e8804
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1 /* Definitions of default options for config/rs6000 configurations.
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2 Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
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3 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
55
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4 Free Software Foundation, Inc.
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5
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6 This file is part of GCC.
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7
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8 GCC is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published
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10 by the Free Software Foundation; either version 3, or (at your
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11 option) any later version.
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12
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13 GCC is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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15 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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16 License for more details.
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17
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18 Under Section 7 of GPL version 3, you are granted additional
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19 permissions described in the GCC Runtime Library Exception, version
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20 3.1, as published by the Free Software Foundation.
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21
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22 You should have received a copy of the GNU General Public License and
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23 a copy of the GCC Runtime Library Exception along with this program;
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24 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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25 <http://www.gnu.org/licenses/>. */
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26
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27 /* This header needs to be included after any other headers affecting
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28 TARGET_DEFAULT. */
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29
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30 #if TARGET_AIX_OS
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31 #define OPT_64 "maix64"
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32 #define OPT_32 "maix32"
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33 #else
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34 #define OPT_64 "m64"
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35 #define OPT_32 "m32"
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36 #endif
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37
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38 #ifndef MASK_64BIT
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39 #define MASK_64BIT 0
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40 #endif
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41
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42 #if TARGET_DEFAULT & MASK_64BIT
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43 #define OPT_ARCH64 "!"OPT_32
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44 #define OPT_ARCH32 OPT_32
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45 #else
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46 #define OPT_ARCH64 OPT_64
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47 #define OPT_ARCH32 "!"OPT_64
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48 #endif
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49
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50 /* Support for a compile-time default CPU, et cetera. The rules are:
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51 --with-cpu is ignored if -mcpu is specified; likewise --with-cpu-32
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52 and --with-cpu-64.
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53 --with-tune is ignored if -mtune or -mcpu is specified; likewise
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54 --with-tune-32 and --with-tune-64.
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55 --with-float is ignored if -mhard-float or -msoft-float are
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56 specified. */
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57 #define OPTION_DEFAULT_SPECS \
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58 {"tune", "%{!mtune=*:%{!mcpu=*:-mtune=%(VALUE)}}" }, \
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59 {"tune_32", "%{" OPT_ARCH32 ":%{!mtune=*:%{!mcpu=*:-mtune=%(VALUE)}}}" }, \
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60 {"tune_64", "%{" OPT_ARCH64 ":%{!mtune=*:%{!mcpu=*:-mtune=%(VALUE)}}}" }, \
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61 {"cpu", "%{!mcpu=*:-mcpu=%(VALUE)}" }, \
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62 {"cpu_32", "%{" OPT_ARCH32 ":%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
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63 {"cpu_64", "%{" OPT_ARCH64 ":%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
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64 {"float", "%{!msoft-float:%{!mhard-float:-m%(VALUE)-float}}" }