projects / deliverable / 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 | ||
| 27 | ||
| 28 | INLINE_BITS\ | |
| 29 | (unsigned32) | |
| 30 | MASKED32(unsigned32 word, | |
| 31 | unsigned start, | |
| 32 | unsigned stop) | |
| 33 | { | |
| 34 | return (word & MASK32(start, stop)); | |
| 35 | } | |
| 36 | ||
| 37 | INLINE_BITS\ | |
| 38 | (unsigned64) | |
| 39 | MASKED64(unsigned64 word, | |
| 40 | unsigned start, | |
| 41 | unsigned stop) | |
| 42 | { | |
| 43 | return (word & MASK64(start, stop)); | |
| 44 | } | |
| 45 | ||
| 46 | INLINE_BITS\ | |
| 47 | (unsigned_word) | |
| 48 | MASKED(unsigned_word word, | |
| 49 | unsigned start, | |
| 50 | unsigned stop) | |
| 51 | { | |
| 52 | return ((word) & MASK(start, stop)); | |
| 53 | } | |
| 54 | ||
| 55 | ||
| 56 | ||
| 57 | INLINE_BITS\ | |
| 58 | (unsigned_word) | |
| 59 | EXTRACTED(unsigned_word word, | |
| 60 | unsigned start, | |
| 61 | unsigned stop) | |
| 62 | { | |
| 63 | ASSERT(start <= stop); | |
| 64 | #if (WITH_TARGET_WORD_BITSIZE == 64) | |
| 65 | return _EXTRACTEDn(64, word, start, stop); | |
| 66 | #else | |
| 67 | if (stop < 32) | |
| 68 | return 0; | |
| 69 | else | |
| 70 | return ((word >> (63 - stop)) | |
| 71 | & MASK(start+(63-stop), 63)); | |
| 72 | #endif | |
| 73 | } | |
| 74 | ||
| 75 | ||
| 76 | INLINE_BITS\ | |
| 77 | (unsigned_word) | |
| 78 | INSERTED(unsigned_word word, | |
| 79 | unsigned start, | |
| 80 | unsigned stop) | |
| 81 | { | |
| 82 | ASSERT(start <= stop); | |
| 83 | #if (WITH_TARGET_WORD_BITSIZE == 64) | |
| 84 | return _INSERTEDn(64, word, start, stop); | |
| 85 | #else | |
| 86 | if (stop < 32) | |
| 87 | return 0; | |
| 88 | else | |
| 89 | return ((word & MASK(start+(63-stop), 63)) | |
| 90 | << (63 - stop)); | |
| 91 | #endif | |
| 92 | } | |
| 93 | ||
| 94 | ||
| 95 | INLINE_BITS\ | |
| 96 | (unsigned32) | |
| 97 | ROTL32(unsigned32 val, | |
| 98 | long shift) | |
| 99 | { | |
| 100 | ASSERT(shift >= 0 && shift <= 32); | |
| 101 | return _ROTLn(32, val, shift); | |
| 102 | } | |
| 103 | ||
| 104 | ||
| 105 | INLINE_BITS\ | |
| 106 | (unsigned64) | |
| 107 | ROTL64(unsigned64 val, | |
| 108 | long shift) | |
| 109 | { | |
| 110 | ASSERT(shift >= 0 && shift <= 64); | |
| 111 | return _ROTLn(64, val, shift); | |
| 112 | } | |
| 113 | ||
| 114 | #endif /* _BITS_C_ */ |