| … | |
… | |
| 152 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
152 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
| 153 | |
153 | |
| 154 | /* The __has_feature syntax from clang is so misdesigned that we cannot use it |
154 | /* The __has_feature syntax from clang is so misdesigned that we cannot use it |
| 155 | * without risking compile time errors with other compilers. We *could* |
155 | * without risking compile time errors with other compilers. We *could* |
| 156 | * define our own ecb_clang_has_feature, but I just can't be bothered to work |
156 | * define our own ecb_clang_has_feature, but I just can't be bothered to work |
| 157 | * around * this shit time and again. |
157 | * around this shit time and again. |
| 158 | * #elif defined __clang && __has_feature (cxx_atomic) |
158 | * #elif defined __clang && __has_feature (cxx_atomic) |
| 159 | * // see comment below (stdatomic.h) about the C11 memory model. |
159 | * // see comment below (stdatomic.h) about the C11 memory model. |
| 160 | * #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
160 | * #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
| 161 | */ |
161 | */ |
| 162 | |
162 | |
| … | |
… | |
| 482 | ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const; |
482 | ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const; |
| 483 | ecb_inline unsigned char |
483 | ecb_inline unsigned char |
| 484 | ecb_byteorder_helper (void) |
484 | ecb_byteorder_helper (void) |
| 485 | { |
485 | { |
| 486 | /* the union code still generates code under pressure in gcc, */ |
486 | /* the union code still generates code under pressure in gcc, */ |
| 487 | /* but less than using pointers, and always seem to */ |
487 | /* but less than using pointers, and always seems to */ |
| 488 | /* successfully return a constant. */ |
488 | /* successfully return a constant. */ |
| 489 | /* the reason why we have this horrible preprocessor mess */ |
489 | /* the reason why we have this horrible preprocessor mess */ |
| 490 | /* is to avoid it in all cases, at least on common architectures */ |
490 | /* is to avoid it in all cases, at least on common architectures */ |
| 491 | /* and yes, gcc defines __BYTE_ORDER__, g++ does not */ |
491 | /* or when using a recent enough gcc version (>= 4.6) */ |
| 492 | #if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64 |
492 | #if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64 |
| 493 | return 0x44; |
493 | return 0x44; |
| 494 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ |
494 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ |
| 495 | return 0x44; |
495 | return 0x44; |
| 496 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
496 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
| 497 | retrurn 0x11; |
497 | return 0x11; |
| 498 | #else |
498 | #else |
| 499 | union |
499 | union |
| 500 | { |
500 | { |
| 501 | uint32_t i; |
501 | uint32_t i; |
| 502 | uint8_t c; |
502 | uint8_t c; |
