1 /* This file is part of the program psim.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 #include "sim-basics.h"
26 #include "sim-assert.h"
32 LSMASKED (unsigned_word val,
36 /* NOTE - start, stop can wrap */
37 val &= LSMASK (start, stop);
44 MSMASKED (unsigned_word val,
48 /* NOTE - start, stop can wrap */
49 val &= MSMASK (start, stop);
56 LSEXTRACTED (unsigned_word val,
60 ASSERT (start >= stop);
61 #if (WITH_TARGET_WORD_BITSIZE == 64)
62 return LSEXTRACTED64 (val, start, stop);
64 #if (WITH_TARGET_WORD_BITSIZE == 32)
70 val &= LSMASK (start, 0);
80 MSEXTRACTED (unsigned_word val,
84 ASSERT (start <= stop);
85 #if (WITH_TARGET_WORD_BITSIZE == 64)
86 return MSEXTRACTED64 (val, start, stop);
88 #if (WITH_TARGET_WORD_BITSIZE == 32)
94 val &= MSMASK (start, 64 - 1);
95 val >>= (64 - stop - 1);
104 LSINSERTED (unsigned_word val,
108 ASSERT (start >= stop);
109 #if (WITH_TARGET_WORD_BITSIZE == 64)
110 return LSINSERTED64 (val, start, stop);
112 #if (WITH_TARGET_WORD_BITSIZE == 32)
113 /* Bit numbers are 63..0, even for 32 bit targets.
114 On 32 bit targets we ignore 63..32 */
120 val &= LSMASK (start, stop);
128 MSINSERTED (unsigned_word val,
132 ASSERT (start <= stop);
133 #if (WITH_TARGET_WORD_BITSIZE == 64)
134 return MSINSERTED64 (val, start, stop);
136 #if (WITH_TARGET_WORD_BITSIZE == 32)
137 /* Bit numbers are 0..63, even for 32 bit targets.
138 On 32 bit targets we ignore 0..31. */
143 val <<= ((64 - 1) - stop);
144 val &= MSMASK (start, stop);
154 LSSEXT (signed_word val,
157 ASSERT (sign_bit < 64);
158 #if (WITH_TARGET_WORD_BITSIZE == 64)
159 return LSSEXT64 (val, sign_bit);
161 #if (WITH_TARGET_WORD_BITSIZE == 32)
165 val = LSSEXT32 (val, sign_bit);
173 MSSEXT (signed_word val,
176 ASSERT (sign_bit < 64);
177 #if (WITH_TARGET_WORD_BITSIZE == 64)
178 return MSSEXT64 (val, sign_bit);
180 #if (WITH_TARGET_WORD_BITSIZE == 32)
184 val = MSSEXT32 (val, sign_bit - 32);
193 #include "sim-n-bits.h"
197 #include "sim-n-bits.h"
201 #include "sim-n-bits.h"
205 #include "sim-n-bits.h"
208 #endif /* _SIM_BITS_C_ */