forked from illumos/gcc
/
machmode.h
272 lines (198 loc) · 9.7 KB
/
machmode.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
/* Machine mode definitions for GCC; included by rtl.h and tree.h.
Copyright (C) 1991, 1993, 1994, 1996, 1998, 1999, 2000, 2001, 2003,
2007 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#ifndef HAVE_MACHINE_MODES
#define HAVE_MACHINE_MODES
/* Make an enum class that gives all the machine modes. */
#include "insn-modes.h"
/* Get the name of mode MODE as a string. */
extern const char * const mode_name[NUM_MACHINE_MODES];
#define GET_MODE_NAME(MODE) mode_name[MODE]
/* Mode classes. */
#include "mode-classes.def"
#define DEF_MODE_CLASS(M) M
enum mode_class { MODE_CLASSES, MAX_MODE_CLASS };
#undef DEF_MODE_CLASS
#undef MODE_CLASSES
/* Get the general kind of object that mode MODE represents
(integer, floating, complex, etc.) */
extern const unsigned char mode_class[NUM_MACHINE_MODES];
#define GET_MODE_CLASS(MODE) mode_class[MODE]
/* Nonzero if MODE is an integral mode. */
#define INTEGRAL_MODE_P(MODE) \
(GET_MODE_CLASS (MODE) == MODE_INT \
|| GET_MODE_CLASS (MODE) == MODE_PARTIAL_INT \
|| GET_MODE_CLASS (MODE) == MODE_COMPLEX_INT \
|| GET_MODE_CLASS (MODE) == MODE_VECTOR_INT)
/* Nonzero if MODE is a floating-point mode. */
#define FLOAT_MODE_P(MODE) \
(GET_MODE_CLASS (MODE) == MODE_FLOAT \
|| GET_MODE_CLASS (MODE) == MODE_DECIMAL_FLOAT \
|| GET_MODE_CLASS (MODE) == MODE_COMPLEX_FLOAT \
|| GET_MODE_CLASS (MODE) == MODE_VECTOR_FLOAT)
/* Nonzero if MODE is a complex mode. */
#define COMPLEX_MODE_P(MODE) \
(GET_MODE_CLASS (MODE) == MODE_COMPLEX_INT \
|| GET_MODE_CLASS (MODE) == MODE_COMPLEX_FLOAT)
/* Nonzero if MODE is a vector mode. */
#define VECTOR_MODE_P(MODE) \
(GET_MODE_CLASS (MODE) == MODE_VECTOR_INT \
|| GET_MODE_CLASS (MODE) == MODE_VECTOR_FLOAT \
|| GET_MODE_CLASS (MODE) == MODE_VECTOR_FRACT \
|| GET_MODE_CLASS (MODE) == MODE_VECTOR_UFRACT \
|| GET_MODE_CLASS (MODE) == MODE_VECTOR_ACCUM \
|| GET_MODE_CLASS (MODE) == MODE_VECTOR_UACCUM)
/* Nonzero if MODE is a scalar integral mode. */
#define SCALAR_INT_MODE_P(MODE) \
(GET_MODE_CLASS (MODE) == MODE_INT \
|| GET_MODE_CLASS (MODE) == MODE_PARTIAL_INT)
/* Nonzero if MODE is a scalar floating point mode. */
#define SCALAR_FLOAT_MODE_P(MODE) \
(GET_MODE_CLASS (MODE) == MODE_FLOAT \
|| GET_MODE_CLASS (MODE) == MODE_DECIMAL_FLOAT)
/* Nonzero if MODE is a decimal floating point mode. */
#define DECIMAL_FLOAT_MODE_P(MODE) \
(GET_MODE_CLASS (MODE) == MODE_DECIMAL_FLOAT)
/* Nonzero if MODE is a scalar fract mode. */
#define SCALAR_FRACT_MODE_P(MODE) \
(GET_MODE_CLASS (MODE) == MODE_FRACT)
/* Nonzero if MODE is a scalar ufract mode. */
#define SCALAR_UFRACT_MODE_P(MODE) \
(GET_MODE_CLASS (MODE) == MODE_UFRACT)
/* Nonzero if MODE is a scalar fract or ufract mode. */
#define ALL_SCALAR_FRACT_MODE_P(MODE) \
(SCALAR_FRACT_MODE_P (MODE) || SCALAR_UFRACT_MODE_P (MODE))
/* Nonzero if MODE is a scalar accum mode. */
#define SCALAR_ACCUM_MODE_P(MODE) \
(GET_MODE_CLASS (MODE) == MODE_ACCUM)
/* Nonzero if MODE is a scalar uaccum mode. */
#define SCALAR_UACCUM_MODE_P(MODE) \
(GET_MODE_CLASS (MODE) == MODE_UACCUM)
/* Nonzero if MODE is a scalar accum or uaccum mode. */
#define ALL_SCALAR_ACCUM_MODE_P(MODE) \
(SCALAR_ACCUM_MODE_P (MODE) || SCALAR_UACCUM_MODE_P (MODE))
/* Nonzero if MODE is a scalar fract or accum mode. */
#define SIGNED_SCALAR_FIXED_POINT_MODE_P(MODE) \
(SCALAR_FRACT_MODE_P (MODE) || SCALAR_ACCUM_MODE_P (MODE))
/* Nonzero if MODE is a scalar ufract or uaccum mode. */
#define UNSIGNED_SCALAR_FIXED_POINT_MODE_P(MODE) \
(SCALAR_UFRACT_MODE_P (MODE) || SCALAR_UACCUM_MODE_P (MODE))
/* Nonzero if MODE is a scalar fract, ufract, accum or uaccum mode. */
#define ALL_SCALAR_FIXED_POINT_MODE_P(MODE) \
(SIGNED_SCALAR_FIXED_POINT_MODE_P (MODE) \
|| UNSIGNED_SCALAR_FIXED_POINT_MODE_P (MODE))
/* Nonzero if MODE is a scalar/vector fract mode. */
#define FRACT_MODE_P(MODE) \
(GET_MODE_CLASS (MODE) == MODE_FRACT \
|| GET_MODE_CLASS (MODE) == MODE_VECTOR_FRACT)
/* Nonzero if MODE is a scalar/vector ufract mode. */
#define UFRACT_MODE_P(MODE) \
(GET_MODE_CLASS (MODE) == MODE_UFRACT \
|| GET_MODE_CLASS (MODE) == MODE_VECTOR_UFRACT)
/* Nonzero if MODE is a scalar/vector fract or ufract mode. */
#define ALL_FRACT_MODE_P(MODE) \
(FRACT_MODE_P (MODE) || UFRACT_MODE_P (MODE))
/* Nonzero if MODE is a scalar/vector accum mode. */
#define ACCUM_MODE_P(MODE) \
(GET_MODE_CLASS (MODE) == MODE_ACCUM \
|| GET_MODE_CLASS (MODE) == MODE_VECTOR_ACCUM)
/* Nonzero if MODE is a scalar/vector uaccum mode. */
#define UACCUM_MODE_P(MODE) \
(GET_MODE_CLASS (MODE) == MODE_UACCUM \
|| GET_MODE_CLASS (MODE) == MODE_VECTOR_UACCUM)
/* Nonzero if MODE is a scalar/vector accum or uaccum mode. */
#define ALL_ACCUM_MODE_P(MODE) \
(ACCUM_MODE_P (MODE) || UACCUM_MODE_P (MODE))
/* Nonzero if MODE is a scalar/vector fract or accum mode. */
#define SIGNED_FIXED_POINT_MODE_P(MODE) \
(FRACT_MODE_P (MODE) || ACCUM_MODE_P (MODE))
/* Nonzero if MODE is a scalar/vector ufract or uaccum mode. */
#define UNSIGNED_FIXED_POINT_MODE_P(MODE) \
(UFRACT_MODE_P (MODE) || UACCUM_MODE_P (MODE))
/* Nonzero if MODE is a scalar/vector fract, ufract, accum or uaccum mode. */
#define ALL_FIXED_POINT_MODE_P(MODE) \
(SIGNED_FIXED_POINT_MODE_P (MODE) \
|| UNSIGNED_FIXED_POINT_MODE_P (MODE))
/* Nonzero if CLASS modes can be widened. */
#define CLASS_HAS_WIDER_MODES_P(CLASS) \
(CLASS == MODE_INT \
|| CLASS == MODE_FLOAT \
|| CLASS == MODE_DECIMAL_FLOAT \
|| CLASS == MODE_COMPLEX_FLOAT \
|| CLASS == MODE_FRACT \
|| CLASS == MODE_UFRACT \
|| CLASS == MODE_ACCUM \
|| CLASS == MODE_UACCUM)
/* Get the size in bytes and bits of an object of mode MODE. */
extern CONST_MODE_SIZE unsigned char mode_size[NUM_MACHINE_MODES];
#define GET_MODE_SIZE(MODE) ((unsigned short) mode_size[MODE])
#define GET_MODE_BITSIZE(MODE) ((unsigned short) (GET_MODE_SIZE (MODE) * BITS_PER_UNIT))
/* Get the number of value bits of an object of mode MODE. */
extern const unsigned short mode_precision[NUM_MACHINE_MODES];
#define GET_MODE_PRECISION(MODE) mode_precision[MODE]
/* Get the number of integral bits of an object of mode MODE. */
extern CONST_MODE_IBIT unsigned char mode_ibit[NUM_MACHINE_MODES];
#define GET_MODE_IBIT(MODE) mode_ibit[MODE]
/* Get the number of fractional bits of an object of mode MODE. */
extern CONST_MODE_FBIT unsigned char mode_fbit[NUM_MACHINE_MODES];
#define GET_MODE_FBIT(MODE) mode_fbit[MODE]
/* Get a bitmask containing 1 for all bits in a word
that fit within mode MODE. */
extern const unsigned HOST_WIDE_INT mode_mask_array[NUM_MACHINE_MODES];
#define GET_MODE_MASK(MODE) mode_mask_array[MODE]
/* Return the mode of the inner elements in a vector. */
extern const unsigned char mode_inner[NUM_MACHINE_MODES];
#define GET_MODE_INNER(MODE) mode_inner[MODE]
/* Get the size in bytes of the basic parts of an object of mode MODE. */
#define GET_MODE_UNIT_SIZE(MODE) \
(GET_MODE_INNER (MODE) == VOIDmode \
? GET_MODE_SIZE (MODE) \
: GET_MODE_SIZE (GET_MODE_INNER (MODE)))
/* Get the number of units in the object. */
extern const unsigned char mode_nunits[NUM_MACHINE_MODES];
#define GET_MODE_NUNITS(MODE) mode_nunits[MODE]
/* Get the next wider natural mode (eg, QI -> HI -> SI -> DI -> TI). */
extern const unsigned char mode_wider[NUM_MACHINE_MODES];
#define GET_MODE_WIDER_MODE(MODE) mode_wider[MODE]
extern const unsigned char mode_2xwider[NUM_MACHINE_MODES];
#define GET_MODE_2XWIDER_MODE(MODE) mode_2xwider[MODE]
/* Return the mode for data of a given size SIZE and mode class CLASS.
If LIMIT is nonzero, then don't use modes bigger than MAX_FIXED_MODE_SIZE.
The value is BLKmode if no other mode is found. */
extern enum machine_mode mode_for_size (unsigned int, enum mode_class, int);
/* Similar, but find the smallest mode for a given width. */
extern enum machine_mode smallest_mode_for_size (unsigned int,
enum mode_class);
/* Return an integer mode of the exact same size as the input mode,
or BLKmode on failure. */
extern enum machine_mode int_mode_for_mode (enum machine_mode);
/* Find the best mode to use to access a bit field. */
extern enum machine_mode get_best_mode (int, int, unsigned int,
enum machine_mode, int);
/* Determine alignment, 1<=result<=BIGGEST_ALIGNMENT. */
extern CONST_MODE_BASE_ALIGN unsigned char mode_base_align[NUM_MACHINE_MODES];
extern unsigned get_mode_alignment (enum machine_mode);
#define GET_MODE_ALIGNMENT(MODE) get_mode_alignment (MODE)
/* For each class, get the narrowest mode in that class. */
extern const unsigned char class_narrowest_mode[MAX_MODE_CLASS];
#define GET_CLASS_NARROWEST_MODE(CLASS) class_narrowest_mode[CLASS]
/* Define the integer modes whose sizes are BITS_PER_UNIT and BITS_PER_WORD
and the mode whose class is Pmode and whose size is POINTER_SIZE. */
extern enum machine_mode byte_mode;
extern enum machine_mode word_mode;
extern enum machine_mode ptr_mode;
/* Target-dependent machine mode initialization - in insn-modes.c. */
extern void init_adjust_machine_modes (void);
#endif /* not HAVE_MACHINE_MODES */