Mercurial > hg > CbC > CbC_gcc
annotate gcc/hwint.h @ 55:77e2b8dfacca gcc-4.4.5
update it from 4.4.3 to 4.5.0
| author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Fri, 12 Feb 2010 23:39:51 +0900 |
| parents | a06113de4d67 |
| children | b7f97abdc517 |
| rev | line source |
|---|---|
| 0 | 1 /* HOST_WIDE_INT definitions for the GNU compiler. |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
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2 Copyright (C) 1998, 2002, 2004, 2008, 2009 Free Software Foundation, Inc. |
| 0 | 3 |
| 4 This file is part of GCC. | |
| 5 | |
| 6 Provide definitions for macros which depend on HOST_BITS_PER_INT | |
| 7 and HOST_BITS_PER_LONG. */ | |
| 8 | |
| 9 #ifndef GCC_HWINT_H | |
| 10 #define GCC_HWINT_H | |
| 11 | |
| 12 /* This describes the machine the compiler is hosted on. */ | |
| 13 #define HOST_BITS_PER_CHAR CHAR_BIT | |
| 14 #define HOST_BITS_PER_SHORT (CHAR_BIT * SIZEOF_SHORT) | |
| 15 #define HOST_BITS_PER_INT (CHAR_BIT * SIZEOF_INT) | |
| 16 #define HOST_BITS_PER_LONG (CHAR_BIT * SIZEOF_LONG) | |
| 17 | |
| 18 /* The string that should be inserted into a printf style format to | |
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77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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19 indicate a "long" operand. */ |
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77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
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20 #ifndef HOST_LONG_FORMAT |
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77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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21 #define HOST_LONG_FORMAT "l" |
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77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
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22 #endif |
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77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
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23 |
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77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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24 /* The string that should be inserted into a printf style format to |
| 0 | 25 indicate a "long long" operand. */ |
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26 #ifndef HOST_LONG_LONG_FORMAT |
| 0 | 27 #define HOST_LONG_LONG_FORMAT "ll" |
| 28 #endif | |
| 29 | |
| 30 /* If HAVE_LONG_LONG and SIZEOF_LONG_LONG aren't defined, but | |
| 31 GCC_VERSION >= 3000, assume this is the second or later stage of a | |
| 32 bootstrap, we do have long long, and it's 64 bits. (This is | |
| 33 required by C99; we do have some ports that violate that assumption | |
| 34 but they're all cross-compile-only.) Just in case, force a | |
| 35 constraint violation if that assumption is incorrect. */ | |
| 36 #if !defined HAVE_LONG_LONG | |
| 37 # if GCC_VERSION >= 3000 | |
| 38 # define HAVE_LONG_LONG 1 | |
| 39 # define SIZEOF_LONG_LONG 8 | |
| 40 extern char sizeof_long_long_must_be_8[sizeof(long long) == 8 ? 1 : -1]; | |
| 41 # endif | |
| 42 #endif | |
| 43 | |
| 44 #ifdef HAVE_LONG_LONG | |
| 45 # define HOST_BITS_PER_LONGLONG (CHAR_BIT * SIZEOF_LONG_LONG) | |
| 46 #endif | |
| 47 #ifdef HAVE___INT64 | |
| 48 # define HOST_BITS_PER___INT64 (CHAR_BIT * SIZEOF___INT64) | |
| 49 #endif | |
| 50 | |
| 51 /* Set HOST_WIDE_INT. This should be the widest efficient host | |
| 52 integer type. It can be 32 or 64 bits, except that if we are | |
| 53 targeting a machine with 64-bit size_t then it has to be 64 bits. | |
| 54 | |
| 55 With a sane ABI, 'long' is the largest efficient host integer type. | |
| 56 Thus, we use that unless we have to use 'long long' or '__int64' | |
| 57 because we're targeting a 64-bit machine from a 32-bit host. */ | |
| 58 | |
| 59 #if HOST_BITS_PER_LONG >= 64 || !defined NEED_64BIT_HOST_WIDE_INT | |
| 60 # define HOST_BITS_PER_WIDE_INT HOST_BITS_PER_LONG | |
| 61 # define HOST_WIDE_INT long | |
| 62 #else | |
| 63 # if HOST_BITS_PER_LONGLONG >= 64 | |
| 64 # define HOST_BITS_PER_WIDE_INT HOST_BITS_PER_LONGLONG | |
| 65 # define HOST_WIDE_INT long long | |
| 66 # else | |
| 67 # if HOST_BITS_PER___INT64 >= 64 | |
| 68 # define HOST_BITS_PER_WIDE_INT HOST_BITS_PER___INT64 | |
| 69 # define HOST_WIDE_INT __int64 | |
| 70 # else | |
| 71 #error "Unable to find a suitable type for HOST_WIDE_INT" | |
| 72 # endif | |
| 73 # endif | |
| 74 #endif | |
| 75 | |
| 76 /* Various printf format strings for HOST_WIDE_INT. */ | |
| 77 | |
| 78 #if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG | |
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79 # define HOST_WIDE_INT_PRINT HOST_LONG_FORMAT |
| 0 | 80 # define HOST_WIDE_INT_PRINT_C "L" |
| 81 /* 'long' might be 32 or 64 bits, and the number of leading zeroes | |
| 82 must be tweaked accordingly. */ | |
| 83 # if HOST_BITS_PER_WIDE_INT == 64 | |
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84 # define HOST_WIDE_INT_PRINT_DOUBLE_HEX \ |
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77e2b8dfacca
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85 "0x%" HOST_LONG_FORMAT "x%016" HOST_LONG_FORMAT "x" |
| 0 | 86 # else |
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87 # define HOST_WIDE_INT_PRINT_DOUBLE_HEX \ |
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77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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88 "0x%" HOST_LONG_FORMAT "x%08" HOST_LONG_FORMAT "x" |
| 0 | 89 # endif |
| 90 #else | |
| 91 # define HOST_WIDE_INT_PRINT HOST_LONG_LONG_FORMAT | |
| 92 # define HOST_WIDE_INT_PRINT_C "LL" | |
| 93 /* We can assume that 'long long' is at least 64 bits. */ | |
| 94 # define HOST_WIDE_INT_PRINT_DOUBLE_HEX \ | |
| 95 "0x%" HOST_LONG_LONG_FORMAT "x%016" HOST_LONG_LONG_FORMAT "x" | |
| 96 #endif /* HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG */ | |
| 97 | |
| 98 #define HOST_WIDE_INT_PRINT_DEC "%" HOST_WIDE_INT_PRINT "d" | |
| 99 #define HOST_WIDE_INT_PRINT_DEC_C HOST_WIDE_INT_PRINT_DEC HOST_WIDE_INT_PRINT_C | |
| 100 #define HOST_WIDE_INT_PRINT_UNSIGNED "%" HOST_WIDE_INT_PRINT "u" | |
| 101 #define HOST_WIDE_INT_PRINT_HEX "0x%" HOST_WIDE_INT_PRINT "x" | |
| 102 | |
| 103 /* Set HOST_WIDEST_INT. This is a 64-bit type unless the compiler | |
| 104 in use has no 64-bit type at all; in that case it's 32 bits. */ | |
| 105 | |
| 106 #if HOST_BITS_PER_WIDE_INT >= 64 \ | |
| 107 || (HOST_BITS_PER_LONGLONG < 64 && HOST_BITS_PER___INT64 < 64) | |
| 108 # define HOST_WIDEST_INT HOST_WIDE_INT | |
| 109 # define HOST_BITS_PER_WIDEST_INT HOST_BITS_PER_WIDE_INT | |
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77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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diff
changeset
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110 # define HOST_WIDEST_INT_PRINT HOST_WIDE_INT_PRINT |
| 0 | 111 # define HOST_WIDEST_INT_PRINT_DEC HOST_WIDE_INT_PRINT_DEC |
| 112 # define HOST_WIDEST_INT_PRINT_DEC_C HOST_WIDE_INT_PRINT_DEC_C | |
| 113 # define HOST_WIDEST_INT_PRINT_UNSIGNED HOST_WIDE_INT_PRINT_UNSIGNED | |
| 114 # define HOST_WIDEST_INT_PRINT_HEX HOST_WIDE_INT_PRINT_HEX | |
| 115 # define HOST_WIDEST_INT_PRINT_DOUBLE_HEX HOST_WIDE_INT_PRINT_DOUBLE_HEX | |
| 116 #else | |
| 117 # if HOST_BITS_PER_LONGLONG >= 64 | |
| 118 # define HOST_BITS_PER_WIDEST_INT HOST_BITS_PER_LONGLONG | |
| 119 # define HOST_WIDEST_INT long long | |
| 120 # else | |
| 121 # if HOST_BITS_PER___INT64 >= 64 | |
| 122 # define HOST_BITS_PER_WIDEST_INT HOST_BITS_PER___INT64 | |
| 123 # define HOST_WIDEST_INT __int64 | |
| 124 # else | |
| 125 #error "This line should be impossible to reach" | |
| 126 # endif | |
| 127 # endif | |
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77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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diff
changeset
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128 # define HOST_WIDEST_INT_PRINT HOST_LONG_LONG_FORMAT |
| 0 | 129 # define HOST_WIDEST_INT_PRINT_DEC "%" HOST_LONG_LONG_FORMAT "d" |
| 130 # define HOST_WIDEST_INT_PRINT_DEC_C "%" HOST_LONG_LONG_FORMAT "dLL" | |
| 131 # define HOST_WIDEST_INT_PRINT_UNSIGNED "%" HOST_LONG_LONG_FORMAT "u" | |
| 132 # define HOST_WIDEST_INT_PRINT_HEX "0x%" HOST_LONG_LONG_FORMAT "x" | |
| 133 # define HOST_WIDEST_INT_PRINT_DOUBLE_HEX \ | |
| 134 "0x%" HOST_LONG_LONG_FORMAT "x%016" HOST_LONG_LONG_FORMAT "x" | |
| 135 #endif | |
| 136 | |
| 137 /* Define HOST_WIDEST_FAST_INT to the widest integer type supported | |
| 138 efficiently in hardware. (That is, the widest integer type that fits | |
| 139 in a hardware register.) Normally this is "long" but on some hosts it | |
| 140 should be "long long" or "__int64". This is no convenient way to | |
| 141 autodetect this, so such systems must set a flag in config.host; see there | |
| 142 for details. */ | |
| 143 | |
| 144 #ifdef USE_LONG_LONG_FOR_WIDEST_FAST_INT | |
| 145 # ifdef HAVE_LONG_LONG | |
| 146 # define HOST_WIDEST_FAST_INT long long | |
| 147 # define HOST_BITS_PER_WIDEST_FAST_INT HOST_BITS_PER_LONGLONG | |
| 148 # elif defined (HAVE___INT64) | |
| 149 # define HOST_WIDEST_FAST_INT __int64 | |
| 150 # define HOST_BITS_PER_WIDEST_FAST_INT HOST_BITS_PER___INT64 | |
| 151 # else | |
| 152 # error "Your host said it wanted to use long long or __int64 but neither" | |
| 153 # error "exist" | |
| 154 # endif | |
| 155 #else | |
| 156 # define HOST_WIDEST_FAST_INT long | |
| 157 # define HOST_BITS_PER_WIDEST_FAST_INT HOST_BITS_PER_LONG | |
| 158 #endif | |
| 159 | |
| 160 #endif /* ! GCC_HWINT_H */ |