projects / thirdparty / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| c906108c SS |
1 | /* This file is part of the program psim. |
| 2 | ||
| 3 | Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> | |
| 4 | ||
| 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. | |
| 9 | ||
| 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. | |
| 14 | ||
| 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. | |
| 18 | ||
| 19 | */ | |
| 20 | ||
| 21 | ||
| 22 | #ifndef _BITS_C_ | |
| 23 | #define _BITS_C_ | |
| 24 | ||
| 25 | #include "basics.h" | |
| 26 | ||
| 5c884464 MG |
27 | INLINE_BITS\ |
| 28 | (unsigned64) | |
| 29 | LSMASKED64 (unsigned64 word, | |
| 30 | int start, | |
| 31 | int stop) | |
| 32 | { | |
| 33 | word &= LSMASK64 (start, stop); | |
| 34 | return word; | |
| 35 | } | |
| c906108c | 36 | |
| 5c884464 MG |
37 | INLINE_BITS\ |
| 38 | (unsigned64) | |
| 39 | LSEXTRACTED64 (unsigned64 val, | |
| 40 | int start, | |
| 41 | int stop) | |
| 42 | { | |
| 43 | val <<= (64 - 1 - start); /* drop high bits */ | |
| 44 | val >>= (64 - 1 - start) + (stop); /* drop low bits */ | |
| 45 | return val; | |
| 46 | } | |
| 47 | ||
| c906108c SS |
48 | INLINE_BITS\ |
| 49 | (unsigned32) | |
| 50 | MASKED32(unsigned32 word, | |
| 51 | unsigned start, | |
| 52 | unsigned stop) | |
| 53 | { | |
| 54 | return (word & MASK32(start, stop)); | |
| 55 | } | |
| 56 | ||
| 57 | INLINE_BITS\ | |
| 58 | (unsigned64) | |
| 59 | MASKED64(unsigned64 word, | |
| 60 | unsigned start, | |
| 61 | unsigned stop) | |
| 62 | { | |
| 63 | return (word & MASK64(start, stop)); | |
| 64 | } | |
| 65 | ||
| 66 | INLINE_BITS\ | |
| 67 | (unsigned_word) | |
| 68 | MASKED(unsigned_word word, | |
| 69 | unsigned start, | |
| 70 | unsigned stop) | |
| 71 | { | |
| 72 | return ((word) & MASK(start, stop)); | |
| 73 | } | |
| 74 | ||
| 75 | ||
| 76 | ||
| 77 | INLINE_BITS\ | |
| 78 | (unsigned_word) | |
| 79 | EXTRACTED(unsigned_word word, | |
| 80 | unsigned start, | |
| 81 | unsigned stop) | |
| 82 | { | |
| 83 | ASSERT(start <= stop); | |
| 84 | #if (WITH_TARGET_WORD_BITSIZE == 64) | |
| 85 | return _EXTRACTEDn(64, word, start, stop); | |
| 86 | #else | |
| 87 | if (stop < 32) | |
| 88 | return 0; | |
| 89 | else | |
| 90 | return ((word >> (63 - stop)) | |
| 91 | & MASK(start+(63-stop), 63)); | |
| 92 | #endif | |
| 93 | } | |
| 94 | ||
| 95 | ||
| 96 | INLINE_BITS\ | |
| 97 | (unsigned_word) | |
| 98 | INSERTED(unsigned_word word, | |
| 99 | unsigned start, | |
| 100 | unsigned stop) | |
| 101 | { | |
| 102 | ASSERT(start <= stop); | |
| 103 | #if (WITH_TARGET_WORD_BITSIZE == 64) | |
| 104 | return _INSERTEDn(64, word, start, stop); | |
| 105 | #else | |
| 106 | if (stop < 32) | |
| 107 | return 0; | |
| 108 | else | |
| 109 | return ((word & MASK(start+(63-stop), 63)) | |
| 110 | << (63 - stop)); | |
| 111 | #endif | |
| 112 | } | |
| 113 | ||
| 114 | ||
| 115 | INLINE_BITS\ | |
| 116 | (unsigned32) | |
| 117 | ROTL32(unsigned32 val, | |
| 118 | long shift) | |
| 119 | { | |
| 120 | ASSERT(shift >= 0 && shift <= 32); | |
| 121 | return _ROTLn(32, val, shift); | |
| 122 | } | |
| 123 | ||
| 124 | ||
| 125 | INLINE_BITS\ | |
| 126 | (unsigned64) | |
| 127 | ROTL64(unsigned64 val, | |
| 128 | long shift) | |
| 129 | { | |
| 130 | ASSERT(shift >= 0 && shift <= 64); | |
| 131 | return _ROTLn(64, val, shift); | |
| 132 | } | |
| 133 | ||
| 134 | #endif /* _BITS_C_ */ |