Mercurial > hg > CbC > CbC_gcc
annotate gcc/machmode.h @ 67:f6334be47118
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 |
| rev | line source |
|---|---|
| 0 | 1 /* Machine mode definitions for GCC; included by rtl.h and tree.h. |
| 2 Copyright (C) 1991, 1993, 1994, 1996, 1998, 1999, 2000, 2001, 2003, | |
|
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3 2007, 2008, 2009, 2010 Free Software Foundation, Inc. |
| 0 | 4 |
| 5 This file is part of GCC. | |
| 6 | |
| 7 GCC is free software; you can redistribute it and/or modify it under | |
| 8 the terms of the GNU General Public License as published by the Free | |
| 9 Software Foundation; either version 3, or (at your option) any later | |
| 10 version. | |
| 11 | |
| 12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 13 WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 18 along with GCC; see the file COPYING3. If not see | |
| 19 <http://www.gnu.org/licenses/>. */ | |
| 20 | |
| 21 #ifndef HAVE_MACHINE_MODES | |
| 22 #define HAVE_MACHINE_MODES | |
| 23 | |
| 24 /* Make an enum class that gives all the machine modes. */ | |
| 25 #include "insn-modes.h" | |
| 26 | |
| 27 /* Get the name of mode MODE as a string. */ | |
| 28 | |
| 29 extern const char * const mode_name[NUM_MACHINE_MODES]; | |
| 30 #define GET_MODE_NAME(MODE) mode_name[MODE] | |
| 31 | |
| 32 /* Mode classes. */ | |
| 33 | |
| 34 #include "mode-classes.def" | |
| 35 #define DEF_MODE_CLASS(M) M | |
| 36 enum mode_class { MODE_CLASSES, MAX_MODE_CLASS }; | |
| 37 #undef DEF_MODE_CLASS | |
| 38 #undef MODE_CLASSES | |
| 39 | |
| 40 /* Get the general kind of object that mode MODE represents | |
| 41 (integer, floating, complex, etc.) */ | |
| 42 | |
| 43 extern const unsigned char mode_class[NUM_MACHINE_MODES]; | |
|
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44 #define GET_MODE_CLASS(MODE) ((enum mode_class) mode_class[MODE]) |
| 0 | 45 |
| 46 /* Nonzero if MODE is an integral mode. */ | |
| 47 #define INTEGRAL_MODE_P(MODE) \ | |
| 48 (GET_MODE_CLASS (MODE) == MODE_INT \ | |
| 49 || GET_MODE_CLASS (MODE) == MODE_PARTIAL_INT \ | |
| 50 || GET_MODE_CLASS (MODE) == MODE_COMPLEX_INT \ | |
| 51 || GET_MODE_CLASS (MODE) == MODE_VECTOR_INT) | |
| 52 | |
| 53 /* Nonzero if MODE is a floating-point mode. */ | |
| 54 #define FLOAT_MODE_P(MODE) \ | |
| 55 (GET_MODE_CLASS (MODE) == MODE_FLOAT \ | |
| 56 || GET_MODE_CLASS (MODE) == MODE_DECIMAL_FLOAT \ | |
| 57 || GET_MODE_CLASS (MODE) == MODE_COMPLEX_FLOAT \ | |
| 58 || GET_MODE_CLASS (MODE) == MODE_VECTOR_FLOAT) | |
| 59 | |
| 60 /* Nonzero if MODE is a complex mode. */ | |
| 61 #define COMPLEX_MODE_P(MODE) \ | |
| 62 (GET_MODE_CLASS (MODE) == MODE_COMPLEX_INT \ | |
| 63 || GET_MODE_CLASS (MODE) == MODE_COMPLEX_FLOAT) | |
| 64 | |
| 65 /* Nonzero if MODE is a vector mode. */ | |
| 66 #define VECTOR_MODE_P(MODE) \ | |
| 67 (GET_MODE_CLASS (MODE) == MODE_VECTOR_INT \ | |
| 68 || GET_MODE_CLASS (MODE) == MODE_VECTOR_FLOAT \ | |
| 69 || GET_MODE_CLASS (MODE) == MODE_VECTOR_FRACT \ | |
| 70 || GET_MODE_CLASS (MODE) == MODE_VECTOR_UFRACT \ | |
| 71 || GET_MODE_CLASS (MODE) == MODE_VECTOR_ACCUM \ | |
| 72 || GET_MODE_CLASS (MODE) == MODE_VECTOR_UACCUM) | |
| 73 | |
| 74 /* Nonzero if MODE is a scalar integral mode. */ | |
| 75 #define SCALAR_INT_MODE_P(MODE) \ | |
| 76 (GET_MODE_CLASS (MODE) == MODE_INT \ | |
| 77 || GET_MODE_CLASS (MODE) == MODE_PARTIAL_INT) | |
| 78 | |
| 79 /* Nonzero if MODE is a scalar floating point mode. */ | |
| 80 #define SCALAR_FLOAT_MODE_P(MODE) \ | |
| 81 (GET_MODE_CLASS (MODE) == MODE_FLOAT \ | |
| 82 || GET_MODE_CLASS (MODE) == MODE_DECIMAL_FLOAT) | |
| 83 | |
| 84 /* Nonzero if MODE is a decimal floating point mode. */ | |
| 85 #define DECIMAL_FLOAT_MODE_P(MODE) \ | |
| 86 (GET_MODE_CLASS (MODE) == MODE_DECIMAL_FLOAT) | |
| 87 | |
| 88 /* Nonzero if MODE is a scalar fract mode. */ | |
| 89 #define SCALAR_FRACT_MODE_P(MODE) \ | |
| 90 (GET_MODE_CLASS (MODE) == MODE_FRACT) | |
| 91 | |
| 92 /* Nonzero if MODE is a scalar ufract mode. */ | |
| 93 #define SCALAR_UFRACT_MODE_P(MODE) \ | |
| 94 (GET_MODE_CLASS (MODE) == MODE_UFRACT) | |
| 95 | |
| 96 /* Nonzero if MODE is a scalar fract or ufract mode. */ | |
| 97 #define ALL_SCALAR_FRACT_MODE_P(MODE) \ | |
| 98 (SCALAR_FRACT_MODE_P (MODE) || SCALAR_UFRACT_MODE_P (MODE)) | |
| 99 | |
| 100 /* Nonzero if MODE is a scalar accum mode. */ | |
| 101 #define SCALAR_ACCUM_MODE_P(MODE) \ | |
| 102 (GET_MODE_CLASS (MODE) == MODE_ACCUM) | |
| 103 | |
| 104 /* Nonzero if MODE is a scalar uaccum mode. */ | |
| 105 #define SCALAR_UACCUM_MODE_P(MODE) \ | |
| 106 (GET_MODE_CLASS (MODE) == MODE_UACCUM) | |
| 107 | |
| 108 /* Nonzero if MODE is a scalar accum or uaccum mode. */ | |
| 109 #define ALL_SCALAR_ACCUM_MODE_P(MODE) \ | |
| 110 (SCALAR_ACCUM_MODE_P (MODE) || SCALAR_UACCUM_MODE_P (MODE)) | |
| 111 | |
| 112 /* Nonzero if MODE is a scalar fract or accum mode. */ | |
| 113 #define SIGNED_SCALAR_FIXED_POINT_MODE_P(MODE) \ | |
| 114 (SCALAR_FRACT_MODE_P (MODE) || SCALAR_ACCUM_MODE_P (MODE)) | |
| 115 | |
| 116 /* Nonzero if MODE is a scalar ufract or uaccum mode. */ | |
| 117 #define UNSIGNED_SCALAR_FIXED_POINT_MODE_P(MODE) \ | |
| 118 (SCALAR_UFRACT_MODE_P (MODE) || SCALAR_UACCUM_MODE_P (MODE)) | |
| 119 | |
| 120 /* Nonzero if MODE is a scalar fract, ufract, accum or uaccum mode. */ | |
| 121 #define ALL_SCALAR_FIXED_POINT_MODE_P(MODE) \ | |
| 122 (SIGNED_SCALAR_FIXED_POINT_MODE_P (MODE) \ | |
| 123 || UNSIGNED_SCALAR_FIXED_POINT_MODE_P (MODE)) | |
| 124 | |
| 125 /* Nonzero if MODE is a scalar/vector fract mode. */ | |
| 126 #define FRACT_MODE_P(MODE) \ | |
| 127 (GET_MODE_CLASS (MODE) == MODE_FRACT \ | |
| 128 || GET_MODE_CLASS (MODE) == MODE_VECTOR_FRACT) | |
| 129 | |
| 130 /* Nonzero if MODE is a scalar/vector ufract mode. */ | |
| 131 #define UFRACT_MODE_P(MODE) \ | |
| 132 (GET_MODE_CLASS (MODE) == MODE_UFRACT \ | |
| 133 || GET_MODE_CLASS (MODE) == MODE_VECTOR_UFRACT) | |
| 134 | |
| 135 /* Nonzero if MODE is a scalar/vector fract or ufract mode. */ | |
| 136 #define ALL_FRACT_MODE_P(MODE) \ | |
| 137 (FRACT_MODE_P (MODE) || UFRACT_MODE_P (MODE)) | |
| 138 | |
| 139 /* Nonzero if MODE is a scalar/vector accum mode. */ | |
| 140 #define ACCUM_MODE_P(MODE) \ | |
| 141 (GET_MODE_CLASS (MODE) == MODE_ACCUM \ | |
| 142 || GET_MODE_CLASS (MODE) == MODE_VECTOR_ACCUM) | |
| 143 | |
| 144 /* Nonzero if MODE is a scalar/vector uaccum mode. */ | |
| 145 #define UACCUM_MODE_P(MODE) \ | |
| 146 (GET_MODE_CLASS (MODE) == MODE_UACCUM \ | |
| 147 || GET_MODE_CLASS (MODE) == MODE_VECTOR_UACCUM) | |
| 148 | |
| 149 /* Nonzero if MODE is a scalar/vector accum or uaccum mode. */ | |
| 150 #define ALL_ACCUM_MODE_P(MODE) \ | |
| 151 (ACCUM_MODE_P (MODE) || UACCUM_MODE_P (MODE)) | |
| 152 | |
| 153 /* Nonzero if MODE is a scalar/vector fract or accum mode. */ | |
| 154 #define SIGNED_FIXED_POINT_MODE_P(MODE) \ | |
| 155 (FRACT_MODE_P (MODE) || ACCUM_MODE_P (MODE)) | |
| 156 | |
| 157 /* Nonzero if MODE is a scalar/vector ufract or uaccum mode. */ | |
| 158 #define UNSIGNED_FIXED_POINT_MODE_P(MODE) \ | |
| 159 (UFRACT_MODE_P (MODE) || UACCUM_MODE_P (MODE)) | |
| 160 | |
| 161 /* Nonzero if MODE is a scalar/vector fract, ufract, accum or uaccum mode. */ | |
| 162 #define ALL_FIXED_POINT_MODE_P(MODE) \ | |
| 163 (SIGNED_FIXED_POINT_MODE_P (MODE) \ | |
| 164 || UNSIGNED_FIXED_POINT_MODE_P (MODE)) | |
| 165 | |
| 166 /* Nonzero if CLASS modes can be widened. */ | |
| 167 #define CLASS_HAS_WIDER_MODES_P(CLASS) \ | |
| 168 (CLASS == MODE_INT \ | |
| 169 || CLASS == MODE_FLOAT \ | |
| 170 || CLASS == MODE_DECIMAL_FLOAT \ | |
| 171 || CLASS == MODE_COMPLEX_FLOAT \ | |
| 172 || CLASS == MODE_FRACT \ | |
| 173 || CLASS == MODE_UFRACT \ | |
| 174 || CLASS == MODE_ACCUM \ | |
| 175 || CLASS == MODE_UACCUM) | |
| 176 | |
| 177 /* Get the size in bytes and bits of an object of mode MODE. */ | |
| 178 | |
| 179 extern CONST_MODE_SIZE unsigned char mode_size[NUM_MACHINE_MODES]; | |
| 180 #define GET_MODE_SIZE(MODE) ((unsigned short) mode_size[MODE]) | |
| 181 #define GET_MODE_BITSIZE(MODE) ((unsigned short) (GET_MODE_SIZE (MODE) * BITS_PER_UNIT)) | |
| 182 | |
| 183 /* Get the number of value bits of an object of mode MODE. */ | |
| 184 extern const unsigned short mode_precision[NUM_MACHINE_MODES]; | |
| 185 #define GET_MODE_PRECISION(MODE) mode_precision[MODE] | |
| 186 | |
| 187 /* Get the number of integral bits of an object of mode MODE. */ | |
| 188 extern CONST_MODE_IBIT unsigned char mode_ibit[NUM_MACHINE_MODES]; | |
| 189 #define GET_MODE_IBIT(MODE) mode_ibit[MODE] | |
| 190 | |
| 191 /* Get the number of fractional bits of an object of mode MODE. */ | |
| 192 extern CONST_MODE_FBIT unsigned char mode_fbit[NUM_MACHINE_MODES]; | |
| 193 #define GET_MODE_FBIT(MODE) mode_fbit[MODE] | |
| 194 | |
| 195 /* Get a bitmask containing 1 for all bits in a word | |
| 196 that fit within mode MODE. */ | |
| 197 | |
| 198 extern const unsigned HOST_WIDE_INT mode_mask_array[NUM_MACHINE_MODES]; | |
| 199 | |
| 200 #define GET_MODE_MASK(MODE) mode_mask_array[MODE] | |
| 201 | |
| 202 /* Return the mode of the inner elements in a vector. */ | |
| 203 | |
| 204 extern const unsigned char mode_inner[NUM_MACHINE_MODES]; | |
| 205 #define GET_MODE_INNER(MODE) ((enum machine_mode) mode_inner[MODE]) | |
| 206 | |
| 207 /* Get the size in bytes of the basic parts of an object of mode MODE. */ | |
| 208 | |
| 209 #define GET_MODE_UNIT_SIZE(MODE) \ | |
| 210 (GET_MODE_INNER (MODE) == VOIDmode \ | |
| 211 ? GET_MODE_SIZE (MODE) \ | |
| 212 : GET_MODE_SIZE (GET_MODE_INNER (MODE))) | |
| 213 | |
| 214 /* Get the number of units in the object. */ | |
| 215 | |
| 216 extern const unsigned char mode_nunits[NUM_MACHINE_MODES]; | |
| 217 #define GET_MODE_NUNITS(MODE) mode_nunits[MODE] | |
| 218 | |
| 219 /* Get the next wider natural mode (eg, QI -> HI -> SI -> DI -> TI). */ | |
| 220 | |
| 221 extern const unsigned char mode_wider[NUM_MACHINE_MODES]; | |
|
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222 #define GET_MODE_WIDER_MODE(MODE) ((enum machine_mode) mode_wider[MODE]) |
| 0 | 223 |
| 224 extern const unsigned char mode_2xwider[NUM_MACHINE_MODES]; | |
|
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225 #define GET_MODE_2XWIDER_MODE(MODE) ((enum machine_mode) mode_2xwider[MODE]) |
| 0 | 226 |
| 227 /* Return the mode for data of a given size SIZE and mode class CLASS. | |
| 228 If LIMIT is nonzero, then don't use modes bigger than MAX_FIXED_MODE_SIZE. | |
| 229 The value is BLKmode if no other mode is found. */ | |
| 230 | |
| 231 extern enum machine_mode mode_for_size (unsigned int, enum mode_class, int); | |
| 232 | |
| 233 /* Similar, but find the smallest mode for a given width. */ | |
| 234 | |
| 235 extern enum machine_mode smallest_mode_for_size (unsigned int, | |
| 236 enum mode_class); | |
| 237 | |
| 238 | |
| 239 /* Return an integer mode of the exact same size as the input mode, | |
| 240 or BLKmode on failure. */ | |
| 241 | |
| 242 extern enum machine_mode int_mode_for_mode (enum machine_mode); | |
| 243 | |
|
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f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
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244 /* Return a mode that is suitable for representing a vector, |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
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245 or BLKmode on failure. */ |
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f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
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246 |
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f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
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247 extern enum machine_mode mode_for_vector (enum machine_mode, unsigned); |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
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248 |
| 0 | 249 /* Find the best mode to use to access a bit field. */ |
| 250 | |
| 251 extern enum machine_mode get_best_mode (int, int, unsigned int, | |
| 252 enum machine_mode, int); | |
| 253 | |
| 254 /* Determine alignment, 1<=result<=BIGGEST_ALIGNMENT. */ | |
| 255 | |
| 256 extern CONST_MODE_BASE_ALIGN unsigned char mode_base_align[NUM_MACHINE_MODES]; | |
| 257 | |
| 258 extern unsigned get_mode_alignment (enum machine_mode); | |
| 259 | |
| 260 #define GET_MODE_ALIGNMENT(MODE) get_mode_alignment (MODE) | |
| 261 | |
| 262 /* For each class, get the narrowest mode in that class. */ | |
| 263 | |
| 264 extern const unsigned char class_narrowest_mode[MAX_MODE_CLASS]; | |
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parents:
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265 #define GET_CLASS_NARROWEST_MODE(CLASS) \ |
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77e2b8dfacca
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parents:
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266 ((enum machine_mode) class_narrowest_mode[CLASS]) |
| 0 | 267 |
| 268 /* Define the integer modes whose sizes are BITS_PER_UNIT and BITS_PER_WORD | |
| 269 and the mode whose class is Pmode and whose size is POINTER_SIZE. */ | |
| 270 | |
| 271 extern enum machine_mode byte_mode; | |
| 272 extern enum machine_mode word_mode; | |
| 273 extern enum machine_mode ptr_mode; | |
| 274 | |
| 275 /* Target-dependent machine mode initialization - in insn-modes.c. */ | |
| 276 extern void init_adjust_machine_modes (void); | |
| 277 | |
| 278 #endif /* not HAVE_MACHINE_MODES */ |