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Comparing libecb/ecb.h (file contents):
Revision 1.133 by root, Fri May 16 15:15:13 2014 UTC vs.
Revision 1.143 by root, Fri Oct 17 10:56:48 2014 UTC

… …
40 40
41#ifndef ECB_H 41#ifndef ECB_H
42#define ECB_H 42#define ECB_H
43 43
44/* 16 bits major, 16 bits minor */ 44/* 16 bits major, 16 bits minor */
45#define ECB_VERSION 0x00010003 45#define ECB_VERSION 0x00010004
46 46
47#ifdef _WIN32 47#ifdef _WIN32
48 typedef signed char int8_t; 48 typedef signed char int8_t;
49 typedef unsigned char uint8_t; 49 typedef unsigned char uint8_t;
50 typedef signed short int16_t; 50 typedef signed short int16_t;
… …
90 * causing enormous grief in return for some better fake benchmark numbers. 90 * causing enormous grief in return for some better fake benchmark numbers.
91 * or so. 91 * or so.
92 * 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
93 * 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.
94 */ 94 */
95#ifndef ECB_GCC_VERSION
96 #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__
97 #define ECB_GCC_VERSION(major,minor) 0 96 #define ECB_GCC_VERSION(major,minor) 0
98 #else 97#else
99 #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)))
100 #endif 99#endif
100
101#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
102
103#if __clang__ && defined(__has_builtin)
104 #define ECB_CLANG_BUILTIN(x) __has_builtin(x)
105#else
106 #define ECB_CLANG_BUILTIN(x) 0
107#endif
108
109#if __clang__ && defined(__has_extension)
110 #define ECB_CLANG_EXTENSION(x) __has_extension(x)
111#else
112 #define ECB_CLANG_EXTENSION(x) 0
101#endif 113#endif
102 114
103#define ECB_CPP (__cplusplus+0) 115#define ECB_CPP (__cplusplus+0)
104#define ECB_CPP11 (__cplusplus >= 201103L) 116#define ECB_CPP11 (__cplusplus >= 201103L)
105 117
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189 /* see comment below (stdatomic.h) about the C11 memory model. */ 201 /* see comment below (stdatomic.h) about the C11 memory model. */
190 #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) 202 #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
191 #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) 203 #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
192 #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) 204 #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
193 205
194 /* The __has_feature syntax from clang is so misdesigned that we cannot use it 206 #elif ECB_CLANG_EXTENSION(c_atomic)
195 * without risking compile time errors with other compilers. We *could*
196 * define our own ecb_clang_has_feature, but I just can't be bothered to work
197 * around this shit time and again.
198 * #elif defined __clang && __has_feature (cxx_atomic)
199 * // see comment below (stdatomic.h) about the C11 memory model. 207 /* see comment below (stdatomic.h) about the C11 memory model. */
200 * #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) 208 #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
201 * #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) 209 #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
202 * #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) 210 #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
203 */
204 211
205 #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ 212 #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
206 #define ECB_MEMORY_FENCE __sync_synchronize () 213 #define ECB_MEMORY_FENCE __sync_synchronize ()
207 #elif _MSC_VER >= 1500 /* VC++ 2008 */ 214 #elif _MSC_VER >= 1500 /* VC++ 2008 */
208 /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ 215 /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
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298#define ECB_STRINGIFY_(a) # a 305#define ECB_STRINGIFY_(a) # a
299#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) 306#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
300 307
301#define ecb_function_ ecb_inline 308#define ecb_function_ ecb_inline
302 309
303#if ECB_GCC_VERSION(3,1) 310#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
304 #define ecb_attribute(attrlist) __attribute__(attrlist) 311 #define ecb_attribute(attrlist) __attribute__ (attrlist)
312#else
313 #define ecb_attribute(attrlist)
314#endif
315
316#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
305 #define ecb_is_constant(expr) __builtin_constant_p (expr) 317 #define ecb_is_constant(expr) __builtin_constant_p (expr)
306 #define ecb_expect(expr,value) __builtin_expect ((expr),(value))
307 #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
308#else 318#else
309 #define ecb_attribute(attrlist)
310
311 /* possible C11 impl for integral types 319 /* possible C11 impl for integral types
312 typedef struct ecb_is_constant_struct ecb_is_constant_struct; 320 typedef struct ecb_is_constant_struct ecb_is_constant_struct;
313 #define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */ 321 #define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
314 322
315 #define ecb_is_constant(expr) 0 323 #define ecb_is_constant(expr) 0
324#endif
325
326#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
327 #define ecb_expect(expr,value) __builtin_expect ((expr),(value))
328#else
316 #define ecb_expect(expr,value) (expr) 329 #define ecb_expect(expr,value) (expr)
330#endif
331
332#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
333 #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
334#else
317 #define ecb_prefetch(addr,rw,locality) 335 #define ecb_prefetch(addr,rw,locality)
318#endif 336#endif
319 337
320/* no emulation for ecb_decltype */ 338/* no emulation for ecb_decltype */
321#if ECB_GCC_VERSION(4,5) 339#if ECB_CPP11
322 #define ecb_decltype(x) __decltype(x) 340 #define ecb_decltype(x) decltype (x)
323#elif ECB_GCC_VERSION(3,0) 341#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
324 #define ecb_decltype(x) __typeof(x) 342 #define ecb_decltype(x) __typeof__ (x)
343#endif
344
345#if _MSC_VER >= 1300
346 #define ecb_deprecated __declspec(deprecated)
347#else
348 #define ecb_deprecated ecb_attribute ((__deprecated__))
325#endif 349#endif
326 350
327#define ecb_noinline ecb_attribute ((__noinline__)) 351#define ecb_noinline ecb_attribute ((__noinline__))
328#define ecb_unused ecb_attribute ((__unused__)) 352#define ecb_unused ecb_attribute ((__unused__))
329#define ecb_const ecb_attribute ((__const__)) 353#define ecb_const ecb_attribute ((__const__))
330#define ecb_pure ecb_attribute ((__pure__)) 354#define ecb_pure ecb_attribute ((__pure__))
331 355
356/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx __declspec(noreturn) */
332#if ECB_C11 357#if ECB_C11
333 #define ecb_noreturn _Noreturn 358 #define ecb_noreturn _Noreturn
334#else 359#else
335 #define ecb_noreturn ecb_attribute ((__noreturn__)) 360 #define ecb_noreturn ecb_attribute ((__noreturn__))
336#endif 361#endif
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353/* for compatibility to the rest of the world */ 378/* for compatibility to the rest of the world */
354#define ecb_likely(expr) ecb_expect_true (expr) 379#define ecb_likely(expr) ecb_expect_true (expr)
355#define ecb_unlikely(expr) ecb_expect_false (expr) 380#define ecb_unlikely(expr) ecb_expect_false (expr)
356 381
357/* count trailing zero bits and count # of one bits */ 382/* count trailing zero bits and count # of one bits */
358#if ECB_GCC_VERSION(3,4) 383#if ECB_GCC_VERSION(3,4) \
384 || (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
385 && ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
386 && ECB_CLANG_BUILTIN(__builtin_popcount))
359 /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ 387 /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
360 #define ecb_ld32(x) (__builtin_clz (x) ^ 31) 388 #define ecb_ld32(x) (__builtin_clz (x) ^ 31)
361 #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) 389 #define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
362 #define ecb_ctz32(x) __builtin_ctz (x) 390 #define ecb_ctz32(x) __builtin_ctz (x)
363 #define ecb_ctz64(x) __builtin_ctzll (x) 391 #define ecb_ctz64(x) __builtin_ctzll (x)
… …
494ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } 522ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
495ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } 523ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
496ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } 524ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
497ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } 525ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
498 526
499#if ECB_GCC_VERSION(4,3) 527#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
500 #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) 528 #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
501 #define ecb_bswap32(x) __builtin_bswap32 (x) 529 #define ecb_bswap32(x) __builtin_bswap32 (x)
502 #define ecb_bswap64(x) __builtin_bswap64 (x) 530 #define ecb_bswap64(x) __builtin_bswap64 (x)
503#else 531#else
504 ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const; 532 ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;
… …
521 { 549 {
522 return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); 550 return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
523 } 551 }
524#endif 552#endif
525 553
526#if ECB_GCC_VERSION(4,5) 554#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
527 #define ecb_unreachable() __builtin_unreachable () 555 #define ecb_unreachable() __builtin_unreachable ()
528#else 556#else
529 /* this seems to work fine, but gcc always emits a warning for it :/ */ 557 /* this seems to work fine, but gcc always emits a warning for it :/ */
530 ecb_inline void ecb_unreachable (void) ecb_noreturn; 558 ecb_inline void ecb_unreachable (void) ecb_noreturn;
531 ecb_inline void ecb_unreachable (void) { } 559 ecb_inline void ecb_unreachable (void) { }

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