annotate gcc/config/i386/i386-c.c @ 63:b7f97abdc517 gcc-4.6-20100522

update gcc from gcc-4.5.0 to gcc-4.6
author ryoma <e075725@ie.u-ryukyu.ac.jp>
date Mon, 24 May 2010 12:47:05 +0900
parents 77e2b8dfacca
children f6334be47118
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /* Subroutines used for macro/preprocessor support on the ia-32.
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2 Copyright (C) 2008, 2009
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3 Free Software Foundation, Inc.
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4
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5 This file is part of GCC.
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6
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7 GCC is free software; you can redistribute it and/or modify
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8 it under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 3, or (at your option)
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10 any later version.
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11
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12 GCC is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with GCC; see the file COPYING3. If not see
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19 <http://www.gnu.org/licenses/>. */
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20
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21 #include "config.h"
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22 #include "system.h"
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23 #include "coretypes.h"
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24 #include "tm.h"
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25 #include "rtl.h"
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26 #include "tree.h"
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27 #include "tm_p.h"
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28 #include "flags.h"
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29 #include "c-common.h"
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30 #include "ggc.h"
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31 #include "target.h"
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32 #include "target-def.h"
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33 #include "cpplib.h"
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34 #include "c-pragma.h"
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35
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36 static bool ix86_pragma_target_parse (tree, tree);
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37 static void ix86_target_macros_internal
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38 (int, enum processor_type, enum processor_type, enum fpmath_unit,
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39 void (*def_or_undef) (cpp_reader *, const char *));
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40
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41
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42 /* Internal function to either define or undef the appropriate system
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43 macros. */
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44 static void
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45 ix86_target_macros_internal (int isa_flag,
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46 enum processor_type arch,
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47 enum processor_type tune,
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48 enum fpmath_unit fpmath,
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49 void (*def_or_undef) (cpp_reader *,
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50 const char *))
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51 {
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52 /* For some of the k6/pentium varients there weren't seperate ISA bits to
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53 identify which tune/arch flag was passed, so figure it out here. */
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54 size_t arch_len = strlen (ix86_arch_string);
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55 size_t tune_len = strlen (ix86_tune_string);
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56 int last_arch_char = ix86_arch_string[arch_len - 1];
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57 int last_tune_char = ix86_tune_string[tune_len - 1];
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58
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59 /* Built-ins based on -march=. */
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60 switch (arch)
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61 {
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62 case PROCESSOR_I386:
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63 break;
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64 case PROCESSOR_I486:
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65 def_or_undef (parse_in, "__i486");
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66 def_or_undef (parse_in, "__i486__");
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67 break;
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68 case PROCESSOR_PENTIUM:
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69 def_or_undef (parse_in, "__i586");
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70 def_or_undef (parse_in, "__i586__");
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71 def_or_undef (parse_in, "__pentium");
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72 def_or_undef (parse_in, "__pentium__");
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73 if (isa_flag & OPTION_MASK_ISA_MMX)
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74 def_or_undef (parse_in, "__pentium_mmx__");
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75 break;
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76 case PROCESSOR_PENTIUMPRO:
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77 def_or_undef (parse_in, "__i686");
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78 def_or_undef (parse_in, "__i686__");
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79 def_or_undef (parse_in, "__pentiumpro");
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80 def_or_undef (parse_in, "__pentiumpro__");
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81 break;
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82 case PROCESSOR_GEODE:
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83 def_or_undef (parse_in, "__geode");
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84 def_or_undef (parse_in, "__geode__");
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85 break;
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86 case PROCESSOR_K6:
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87 def_or_undef (parse_in, "__k6");
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88 def_or_undef (parse_in, "__k6__");
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89 if (last_arch_char == '2')
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90 def_or_undef (parse_in, "__k6_2__");
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91 else if (last_arch_char == '3')
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92 def_or_undef (parse_in, "__k6_3__");
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93 else if (isa_flag & OPTION_MASK_ISA_3DNOW)
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94 def_or_undef (parse_in, "__k6_3__");
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95 break;
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96 case PROCESSOR_ATHLON:
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97 def_or_undef (parse_in, "__athlon");
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98 def_or_undef (parse_in, "__athlon__");
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99 if (isa_flag & OPTION_MASK_ISA_SSE)
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100 def_or_undef (parse_in, "__athlon_sse__");
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101 break;
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102 case PROCESSOR_K8:
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103 def_or_undef (parse_in, "__k8");
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104 def_or_undef (parse_in, "__k8__");
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105 break;
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106 case PROCESSOR_AMDFAM10:
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107 def_or_undef (parse_in, "__amdfam10");
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108 def_or_undef (parse_in, "__amdfam10__");
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109 break;
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110 case PROCESSOR_BDVER1:
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111 def_or_undef (parse_in, "__bdver1");
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112 def_or_undef (parse_in, "__bdver1__");
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113 break;
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114 case PROCESSOR_PENTIUM4:
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115 def_or_undef (parse_in, "__pentium4");
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116 def_or_undef (parse_in, "__pentium4__");
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117 break;
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118 case PROCESSOR_NOCONA:
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119 def_or_undef (parse_in, "__nocona");
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120 def_or_undef (parse_in, "__nocona__");
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121 break;
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122 case PROCESSOR_CORE2:
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123 def_or_undef (parse_in, "__core2");
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124 def_or_undef (parse_in, "__core2__");
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125 break;
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126 case PROCESSOR_ATOM:
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127 def_or_undef (parse_in, "__atom");
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128 def_or_undef (parse_in, "__atom__");
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129 break;
0
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130 /* use PROCESSOR_max to not set/unset the arch macro. */
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131 case PROCESSOR_max:
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132 break;
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133 case PROCESSOR_GENERIC32:
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134 case PROCESSOR_GENERIC64:
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135 gcc_unreachable ();
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136 }
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137
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138 /* Built-ins based on -mtune=. */
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139 switch (tune)
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140 {
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141 case PROCESSOR_I386:
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142 def_or_undef (parse_in, "__tune_i386__");
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143 break;
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parents:
diff changeset
144 case PROCESSOR_I486:
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
145 def_or_undef (parse_in, "__tune_i486__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
146 break;
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
147 case PROCESSOR_PENTIUM:
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
148 def_or_undef (parse_in, "__tune_i586__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
149 def_or_undef (parse_in, "__tune_pentium__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
150 if (last_tune_char == 'x')
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
151 def_or_undef (parse_in, "__tune_pentium_mmx__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
152 break;
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
153 case PROCESSOR_PENTIUMPRO:
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
154 def_or_undef (parse_in, "__tune_i686__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
155 def_or_undef (parse_in, "__tune_pentiumpro__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
156 switch (last_tune_char)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
157 {
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
158 case '3':
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
159 def_or_undef (parse_in, "__tune_pentium3__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
160 /* FALLTHRU */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
161 case '2':
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
162 def_or_undef (parse_in, "__tune_pentium2__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
163 break;
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
164 }
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
165 break;
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
166 case PROCESSOR_GEODE:
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
167 def_or_undef (parse_in, "__tune_geode__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
168 break;
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
169 case PROCESSOR_K6:
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
170 def_or_undef (parse_in, "__tune_k6__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
171 if (last_tune_char == '2')
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
172 def_or_undef (parse_in, "__tune_k6_2__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
173 else if (last_tune_char == '3')
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
174 def_or_undef (parse_in, "__tune_k6_3__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
175 else if (isa_flag & OPTION_MASK_ISA_3DNOW)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
176 def_or_undef (parse_in, "__tune_k6_3__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
177 break;
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
178 case PROCESSOR_ATHLON:
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
179 def_or_undef (parse_in, "__tune_athlon__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
180 if (isa_flag & OPTION_MASK_ISA_SSE)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
181 def_or_undef (parse_in, "__tune_athlon_sse__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
182 break;
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
183 case PROCESSOR_K8:
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
184 def_or_undef (parse_in, "__tune_k8__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
185 break;
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
186 case PROCESSOR_AMDFAM10:
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
187 def_or_undef (parse_in, "__tune_amdfam10__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
188 break;
63
b7f97abdc517 update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
189 case PROCESSOR_BDVER1:
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
190 def_or_undef (parse_in, "__tune_bdver1__");
b7f97abdc517 update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
191 break;
0
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
192 case PROCESSOR_PENTIUM4:
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
193 def_or_undef (parse_in, "__tune_pentium4__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
194 break;
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
195 case PROCESSOR_NOCONA:
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
196 def_or_undef (parse_in, "__tune_nocona__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
197 break;
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
198 case PROCESSOR_CORE2:
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
199 def_or_undef (parse_in, "__tune_core2__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
200 break;
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
201 case PROCESSOR_ATOM:
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
202 def_or_undef (parse_in, "__tune_atom__");
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
203 break;
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
204 case PROCESSOR_GENERIC32:
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
205 case PROCESSOR_GENERIC64:
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
206 break;
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
207 /* use PROCESSOR_max to not set/unset the tune macro. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
208 case PROCESSOR_max:
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
209 break;
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
210 }
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
211
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
212 if (isa_flag & OPTION_MASK_ISA_MMX)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
213 def_or_undef (parse_in, "__MMX__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
214 if (isa_flag & OPTION_MASK_ISA_3DNOW)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
215 def_or_undef (parse_in, "__3dNOW__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
216 if (isa_flag & OPTION_MASK_ISA_3DNOW_A)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
217 def_or_undef (parse_in, "__3dNOW_A__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
218 if (isa_flag & OPTION_MASK_ISA_SSE)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
219 def_or_undef (parse_in, "__SSE__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
220 if (isa_flag & OPTION_MASK_ISA_SSE2)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
221 def_or_undef (parse_in, "__SSE2__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
222 if (isa_flag & OPTION_MASK_ISA_SSE3)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
223 def_or_undef (parse_in, "__SSE3__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
224 if (isa_flag & OPTION_MASK_ISA_SSSE3)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
225 def_or_undef (parse_in, "__SSSE3__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
226 if (isa_flag & OPTION_MASK_ISA_SSE4_1)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
227 def_or_undef (parse_in, "__SSE4_1__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
228 if (isa_flag & OPTION_MASK_ISA_SSE4_2)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
229 def_or_undef (parse_in, "__SSE4_2__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
230 if (isa_flag & OPTION_MASK_ISA_AES)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
231 def_or_undef (parse_in, "__AES__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
232 if (isa_flag & OPTION_MASK_ISA_PCLMUL)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
233 def_or_undef (parse_in, "__PCLMUL__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
234 if (isa_flag & OPTION_MASK_ISA_AVX)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
235 def_or_undef (parse_in, "__AVX__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
236 if (isa_flag & OPTION_MASK_ISA_FMA)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
237 def_or_undef (parse_in, "__FMA__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
238 if (isa_flag & OPTION_MASK_ISA_SSE4A)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
239 def_or_undef (parse_in, "__SSE4A__");
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
240 if (isa_flag & OPTION_MASK_ISA_FMA4)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
241 def_or_undef (parse_in, "__FMA4__");
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
242 if (isa_flag & OPTION_MASK_ISA_XOP)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
243 def_or_undef (parse_in, "__XOP__");
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
244 if (isa_flag & OPTION_MASK_ISA_LWP)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
245 def_or_undef (parse_in, "__LWP__");
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
246 if (isa_flag & OPTION_MASK_ISA_ABM)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
247 def_or_undef (parse_in, "__ABM__");
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
248 if (isa_flag & OPTION_MASK_ISA_POPCNT)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
249 def_or_undef (parse_in, "__POPCNT__");
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
250 if ((fpmath & FPMATH_SSE) && (isa_flag & OPTION_MASK_ISA_SSE))
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
251 def_or_undef (parse_in, "__SSE_MATH__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
252 if ((fpmath & FPMATH_SSE) && (isa_flag & OPTION_MASK_ISA_SSE2))
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
253 def_or_undef (parse_in, "__SSE2_MATH__");
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
254 }
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
255
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
256
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
257 /* Hook to validate the current #pragma GCC target and set the state, and
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
258 update the macros based on what was changed. If ARGS is NULL, then
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
259 POP_TARGET is used to reset the options. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
260
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
261 static bool
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
262 ix86_pragma_target_parse (tree args, tree pop_target)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
263 {
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
264 tree prev_tree = build_target_option_node ();
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
265 tree cur_tree;
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
266 struct cl_target_option *prev_opt;
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
267 struct cl_target_option *cur_opt;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
268 int prev_isa;
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
269 int cur_isa;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
270 int diff_isa;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
271 enum processor_type prev_arch;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
272 enum processor_type prev_tune;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
273 enum processor_type cur_arch;
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
274 enum processor_type cur_tune;
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
275
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
276 if (! args)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
277 {
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
278 cur_tree = ((pop_target)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
279 ? pop_target
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
280 : target_option_default_node);
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
281 cl_target_option_restore (TREE_TARGET_OPTION (cur_tree));
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
282 }
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
283 else
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
284 {
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
285 cur_tree = ix86_valid_target_attribute_tree (args);
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
286 if (!cur_tree)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
287 return false;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
288 }
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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289
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
290 target_option_current_node = cur_tree;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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291
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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292 /* Figure out the previous/current isa, arch, tune and the differences. */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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293 prev_opt = TREE_TARGET_OPTION (prev_tree);
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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294 cur_opt = TREE_TARGET_OPTION (cur_tree);
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
295 prev_isa = prev_opt->ix86_isa_flags;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
296 cur_isa = cur_opt->ix86_isa_flags;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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297 diff_isa = (prev_isa ^ cur_isa);
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
298 prev_arch = (enum processor_type) prev_opt->arch;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
299 prev_tune = (enum processor_type) prev_opt->tune;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
300 cur_arch = (enum processor_type) cur_opt->arch;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
301 cur_tune = (enum processor_type) cur_opt->tune;
0
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
302
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
303 /* If the same processor is used for both previous and current options, don't
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
304 change the macros. */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
305 if (cur_arch == prev_arch)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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306 cur_arch = prev_arch = PROCESSOR_max;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
307
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
308 if (cur_tune == prev_tune)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
309 cur_tune = prev_tune = PROCESSOR_max;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
310
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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311 /* Undef all of the macros for that are no longer current. */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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312 ix86_target_macros_internal (prev_isa & diff_isa,
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
313 prev_arch,
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
314 prev_tune,
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
315 (enum fpmath_unit) prev_opt->fpmath,
0
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
316 cpp_undef);
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
317
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
318 /* Define all of the macros for new options that were just turned on. */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
319 ix86_target_macros_internal (cur_isa & diff_isa,
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
320 cur_arch,
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
321 cur_tune,
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
322 (enum fpmath_unit) cur_opt->fpmath,
0
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
323 cpp_define);
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
324
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
325 return true;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
326 }
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
327
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
328 /* Function to tell the preprocessor about the defines for the current target. */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
329
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
330 void
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
331 ix86_target_macros (void)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
332 {
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
333 /* 32/64-bit won't change with target specific options, so do the assert and
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
334 builtin_define_std calls here. */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
335 if (TARGET_64BIT)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
336 {
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
337 cpp_assert (parse_in, "cpu=x86_64");
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
338 cpp_assert (parse_in, "machine=x86_64");
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
339 cpp_define (parse_in, "__amd64");
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
340 cpp_define (parse_in, "__amd64__");
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
341 cpp_define (parse_in, "__x86_64");
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
342 cpp_define (parse_in, "__x86_64__");
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
343 }
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
344 else
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
345 {
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
346 cpp_assert (parse_in, "cpu=i386");
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
347 cpp_assert (parse_in, "machine=i386");
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
348 builtin_define_std ("i386");
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
349 }
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
350
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
351 ix86_target_macros_internal (ix86_isa_flags,
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
352 ix86_arch,
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
353 ix86_tune,
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
354 ix86_fpmath,
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
355 cpp_define);
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
356 }
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
357
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
358
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
359 /* Register target pragmas. We need to add the hook for parsing #pragma GCC
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
360 option here rather than in i386.c since it will pull in various preprocessor
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
361 functions, and those are not present in languages like fortran without a
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
362 preprocessor. */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
363
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
364 void
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
365 ix86_register_pragmas (void)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
366 {
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
367 /* Update pragma hook to allow parsing #pragma GCC target. */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
368 targetm.target_option.pragma_parse = ix86_pragma_target_parse;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
369
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
370 #ifdef REGISTER_SUBTARGET_PRAGMAS
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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371 REGISTER_SUBTARGET_PRAGMAS ();
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
372 #endif
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
373 }