1 | /* |
1 | /* |
2 | * libecb - http://software.schmorp.de/pkg/libecb |
2 | * libecb - http://software.schmorp.de/pkg/libecb |
3 | * |
3 | * |
4 | * Copyright (©) 2009-2013 Marc Alexander Lehmann <libecb@schmorp.de> |
4 | * Copyright (©) 2009-2014 Marc Alexander Lehmann <libecb@schmorp.de> |
5 | * Copyright (©) 2011 Emanuele Giaquinta |
5 | * Copyright (©) 2011 Emanuele Giaquinta |
6 | * All rights reserved. |
6 | * All rights reserved. |
7 | * |
7 | * |
8 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * Redistribution and use in source and binary forms, with or without modifica- |
9 | * tion, are permitted provided that the following conditions are met: |
9 | * tion, are permitted provided that the following conditions are met: |
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23 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
23 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
24 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
24 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
25 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
25 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
26 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
26 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
27 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
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28 | * |
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29 | * Alternatively, the contents of this file may be used under the terms of |
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30 | * the GNU General Public License ("GPL") version 2 or any later version, |
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31 | * in which case the provisions of the GPL are applicable instead of |
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32 | * the above. If you wish to allow the use of your version of this file |
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33 | * only under the terms of the GPL and not to allow others to use your |
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34 | * version of this file under the BSD license, indicate your decision |
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35 | * by deleting the provisions above and replace them with the notice |
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36 | * and other provisions required by the GPL. If you do not delete the |
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37 | * provisions above, a recipient may use your version of this file under |
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38 | * either the BSD or the GPL. |
28 | */ |
39 | */ |
29 | |
40 | |
30 | #ifndef ECB_H |
41 | #ifndef ECB_H |
31 | #define ECB_H |
42 | #define ECB_H |
32 | |
43 | |
33 | /* 16 bits major, 16 bits minor */ |
44 | /* 16 bits major, 16 bits minor */ |
34 | #define ECB_VERSION 0x00010003 |
45 | #define ECB_VERSION 0x00010004 |
35 | |
46 | |
36 | #ifdef _WIN32 |
47 | #ifdef _WIN32 |
37 | typedef signed char int8_t; |
48 | typedef signed char int8_t; |
38 | typedef unsigned char uint8_t; |
49 | typedef unsigned char uint8_t; |
39 | typedef signed short int16_t; |
50 | typedef signed short int16_t; |
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64 | #define ECB_PTRSIZE 4 |
75 | #define ECB_PTRSIZE 4 |
65 | #endif |
76 | #endif |
66 | #endif |
77 | #endif |
67 | |
78 | |
68 | /* work around x32 idiocy by defining proper macros */ |
79 | /* work around x32 idiocy by defining proper macros */ |
69 | #if __x86_64 || _M_AMD64 |
80 | #if __amd64 || __x86_64 || _M_AMD64 || _M_X64 |
70 | #if _ILP32 |
81 | #if _ILP32 |
71 | #define ECB_AMD64_X32 1 |
82 | #define ECB_AMD64_X32 1 |
72 | #else |
83 | #else |
73 | #define ECB_AMD64 1 |
84 | #define ECB_AMD64 1 |
74 | #endif |
85 | #endif |
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79 | * causing enormous grief in return for some better fake benchmark numbers. |
90 | * causing enormous grief in return for some better fake benchmark numbers. |
80 | * or so. |
91 | * or so. |
81 | * we try to detect these and simply assume they are not gcc - if they have |
92 | * we try to detect these and simply assume they are not gcc - if they have |
82 | * an issue with that they should have done it right in the first place. |
93 | * an issue with that they should have done it right in the first place. |
83 | */ |
94 | */ |
84 | #ifndef ECB_GCC_VERSION |
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85 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
95 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
86 | #define ECB_GCC_VERSION(major,minor) 0 |
96 | #define ECB_GCC_VERSION(major,minor) 0 |
87 | #else |
97 | #else |
88 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
98 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
89 | #endif |
99 | #endif |
90 | #endif |
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91 | |
100 | |
92 | #define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */ |
101 | #define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor))) |
93 | #define ECB_C99 (__STDC_VERSION__ >= 199901L) |
102 | |
94 | #define ECB_C11 (__STDC_VERSION__ >= 201112L) |
103 | #if __clang__ && defined(__has_builtin) |
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104 | #define ECB_CLANG_BUILTIN(x) __has_builtin(x) |
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105 | #else |
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106 | #define ECB_CLANG_BUILTIN(x) 0 |
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107 | #endif |
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108 | |
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109 | #if __clang__ && defined(__has_extension) |
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110 | #define ECB_CLANG_EXTENSION(x) __has_extension(x) |
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111 | #else |
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112 | #define ECB_CLANG_EXTENSION(x) 0 |
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113 | #endif |
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114 | |
95 | #define ECB_CPP (__cplusplus+0) |
115 | #define ECB_CPP (__cplusplus+0) |
96 | #define ECB_CPP11 (__cplusplus >= 201103L) |
116 | #define ECB_CPP11 (__cplusplus >= 201103L) |
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117 | |
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118 | #if ECB_CPP |
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119 | #define ECB_C 0 |
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120 | #define ECB_STDC_VERSION 0 |
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121 | #else |
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122 | #define ECB_C 1 |
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123 | #define ECB_STDC_VERSION __STDC_VERSION__ |
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124 | #endif |
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125 | |
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126 | #define ECB_C99 (ECB_STDC_VERSION >= 199901L) |
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127 | #define ECB_C11 (ECB_STDC_VERSION >= 201112L) |
97 | |
128 | |
98 | #if ECB_CPP |
129 | #if ECB_CPP |
99 | #define ECB_EXTERN_C extern "C" |
130 | #define ECB_EXTERN_C extern "C" |
100 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
131 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
101 | #define ECB_EXTERN_C_END } |
132 | #define ECB_EXTERN_C_END } |
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134 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ |
165 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ |
135 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
166 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
136 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
167 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
137 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
168 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
138 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
169 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
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170 | #elif __aarch64__ |
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171 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory") |
139 | #elif __sparc || __sparc__ |
172 | #elif (__sparc || __sparc__) && !__sparcv8 |
140 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
173 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
141 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
174 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
142 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
175 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
143 | #elif defined __s390__ || defined __s390x__ |
176 | #elif defined __s390__ || defined __s390x__ |
144 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
177 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
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165 | |
198 | |
166 | #ifndef ECB_MEMORY_FENCE |
199 | #ifndef ECB_MEMORY_FENCE |
167 | #if ECB_GCC_VERSION(4,7) |
200 | #if ECB_GCC_VERSION(4,7) |
168 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
201 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
169 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
202 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
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203 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
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204 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
170 | |
205 | |
171 | /* The __has_feature syntax from clang is so misdesigned that we cannot use it |
206 | #elif ECB_CLANG_EXTENSION(c_atomic) |
172 | * without risking compile time errors with other compilers. We *could* |
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173 | * define our own ecb_clang_has_feature, but I just can't be bothered to work |
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174 | * around this shit time and again. |
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175 | * #elif defined __clang && __has_feature (cxx_atomic) |
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176 | * // see comment below (stdatomic.h) about the C11 memory model. |
207 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
177 | * #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
208 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
178 | */ |
209 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
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210 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
179 | |
211 | |
180 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
212 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
181 | #define ECB_MEMORY_FENCE __sync_synchronize () |
213 | #define ECB_MEMORY_FENCE __sync_synchronize () |
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214 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
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215 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
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216 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
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217 | #define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier() |
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218 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */ |
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219 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier() |
182 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
220 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
183 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
221 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
184 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
222 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
185 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
223 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
186 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
224 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
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206 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
244 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
207 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
245 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
208 | /* for most usages, or gcc and clang have a bug */ |
246 | /* for most usages, or gcc and clang have a bug */ |
209 | /* I *currently* lean towards the latter, and inefficiently implement */ |
247 | /* I *currently* lean towards the latter, and inefficiently implement */ |
210 | /* all three of ecb's fences as a seq_cst fence */ |
248 | /* all three of ecb's fences as a seq_cst fence */ |
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249 | /* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */ |
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250 | /* for all __atomic_thread_fence's except seq_cst */ |
211 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
251 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
212 | #endif |
252 | #endif |
213 | #endif |
253 | #endif |
214 | |
254 | |
215 | #ifndef ECB_MEMORY_FENCE |
255 | #ifndef ECB_MEMORY_FENCE |
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265 | #define ECB_STRINGIFY_(a) # a |
305 | #define ECB_STRINGIFY_(a) # a |
266 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
306 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
267 | |
307 | |
268 | #define ecb_function_ ecb_inline |
308 | #define ecb_function_ ecb_inline |
269 | |
309 | |
270 | #if ECB_GCC_VERSION(3,1) |
310 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8) |
271 | #define ecb_attribute(attrlist) __attribute__(attrlist) |
311 | #define ecb_attribute(attrlist) __attribute__ (attrlist) |
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312 | #else |
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313 | #define ecb_attribute(attrlist) |
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314 | #endif |
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315 | |
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316 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p) |
272 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
317 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
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318 | #else |
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319 | /* possible C11 impl for integral types |
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320 | typedef struct ecb_is_constant_struct ecb_is_constant_struct; |
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321 | #define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */ |
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322 | |
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323 | #define ecb_is_constant(expr) 0 |
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324 | #endif |
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325 | |
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326 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect) |
273 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
327 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
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328 | #else |
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329 | #define ecb_expect(expr,value) (expr) |
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330 | #endif |
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331 | |
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332 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch) |
274 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
333 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
275 | #else |
334 | #else |
276 | #define ecb_attribute(attrlist) |
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277 | #define ecb_is_constant(expr) 0 |
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278 | #define ecb_expect(expr,value) (expr) |
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279 | #define ecb_prefetch(addr,rw,locality) |
335 | #define ecb_prefetch(addr,rw,locality) |
280 | #endif |
336 | #endif |
281 | |
337 | |
282 | /* no emulation for ecb_decltype */ |
338 | /* no emulation for ecb_decltype */ |
283 | #if ECB_GCC_VERSION(4,5) |
339 | #if ECB_GCC_VERSION(4,5) |
284 | #define ecb_decltype(x) __decltype(x) |
340 | #define ecb_decltype(x) __decltype (x) |
285 | #elif ECB_GCC_VERSION(3,0) |
341 | #elif ECB_GCC_VERSION(3,0) |
286 | #define ecb_decltype(x) __typeof(x) |
342 | #define ecb_decltype(x) __typeof (x) |
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343 | #elif ECB_CPP11 |
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344 | #define ecb_decltype(x) decltype (x) |
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345 | #endif |
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346 | |
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347 | #if _MSC_VER >= 1300 |
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348 | #define ecb_deprecated __declspec(deprecated) |
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349 | #else |
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350 | #define ecb_deprecated ecb_attribute ((__deprecated__)) |
287 | #endif |
351 | #endif |
288 | |
352 | |
289 | #define ecb_noinline ecb_attribute ((__noinline__)) |
353 | #define ecb_noinline ecb_attribute ((__noinline__)) |
290 | #define ecb_unused ecb_attribute ((__unused__)) |
354 | #define ecb_unused ecb_attribute ((__unused__)) |
291 | #define ecb_const ecb_attribute ((__const__)) |
355 | #define ecb_const ecb_attribute ((__const__)) |
292 | #define ecb_pure ecb_attribute ((__pure__)) |
356 | #define ecb_pure ecb_attribute ((__pure__)) |
293 | |
357 | |
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358 | /* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx __declspec(noreturn) */ |
294 | #if ECB_C11 |
359 | #if ECB_C11 |
295 | #define ecb_noreturn _Noreturn |
360 | #define ecb_noreturn _Noreturn |
296 | #else |
361 | #else |
297 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
362 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
298 | #endif |
363 | #endif |
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315 | /* for compatibility to the rest of the world */ |
380 | /* for compatibility to the rest of the world */ |
316 | #define ecb_likely(expr) ecb_expect_true (expr) |
381 | #define ecb_likely(expr) ecb_expect_true (expr) |
317 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
382 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
318 | |
383 | |
319 | /* count trailing zero bits and count # of one bits */ |
384 | /* count trailing zero bits and count # of one bits */ |
320 | #if ECB_GCC_VERSION(3,4) |
385 | #if ECB_GCC_VERSION(3,4) \ |
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386 | || (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \ |
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387 | && ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \ |
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388 | && ECB_CLANG_BUILTIN(__builtin_popcount)) |
321 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
389 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
322 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
390 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
323 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
391 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
324 | #define ecb_ctz32(x) __builtin_ctz (x) |
392 | #define ecb_ctz32(x) __builtin_ctz (x) |
325 | #define ecb_ctz64(x) __builtin_ctzll (x) |
393 | #define ecb_ctz64(x) __builtin_ctzll (x) |
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456 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
524 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
457 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
525 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
458 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
526 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
459 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
527 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
460 | |
528 | |
461 | #if ECB_GCC_VERSION(4,3) |
529 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
462 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
530 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
463 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
531 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
464 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
532 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
465 | #else |
533 | #else |
466 | ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const; |
534 | ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const; |
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483 | { |
551 | { |
484 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
552 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
485 | } |
553 | } |
486 | #endif |
554 | #endif |
487 | |
555 | |
488 | #if ECB_GCC_VERSION(4,5) |
556 | #if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable) |
489 | #define ecb_unreachable() __builtin_unreachable () |
557 | #define ecb_unreachable() __builtin_unreachable () |
490 | #else |
558 | #else |
491 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
559 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
492 | ecb_inline void ecb_unreachable (void) ecb_noreturn; |
560 | ecb_inline void ecb_unreachable (void) ecb_noreturn; |
493 | ecb_inline void ecb_unreachable (void) { } |
561 | ecb_inline void ecb_unreachable (void) { } |
… | |
… | |
567 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
635 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
568 | #if 0 \ |
636 | #if 0 \ |
569 | || __i386 || __i386__ \ |
637 | || __i386 || __i386__ \ |
570 | || __amd64 || __amd64__ || __x86_64 || __x86_64__ \ |
638 | || __amd64 || __amd64__ || __x86_64 || __x86_64__ \ |
571 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
639 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
572 | || defined __arm__ && defined __ARM_EABI__ \ |
|
|
573 | || defined __s390__ || defined __s390x__ \ |
640 | || defined __s390__ || defined __s390x__ \ |
574 | || defined __mips__ \ |
641 | || defined __mips__ \ |
575 | || defined __alpha__ \ |
642 | || defined __alpha__ \ |
576 | || defined __hppa__ \ |
643 | || defined __hppa__ \ |
577 | || defined __ia64__ \ |
644 | || defined __ia64__ \ |
578 | || defined __m68k__ \ |
645 | || defined __m68k__ \ |
579 | || defined __m88k__ \ |
646 | || defined __m88k__ \ |
580 | || defined __sh__ \ |
647 | || defined __sh__ \ |
581 | || defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 |
648 | || defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 \ |
|
|
649 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
|
|
650 | || defined __aarch64__ |
582 | #define ECB_STDFP 1 |
651 | #define ECB_STDFP 1 |
583 | #include <string.h> /* for memcpy */ |
652 | #include <string.h> /* for memcpy */ |
584 | #else |
653 | #else |
585 | #define ECB_STDFP 0 |
654 | #define ECB_STDFP 0 |
586 | #endif |
655 | #endif |