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| 542 | #define ECB_MEMORY_FENCE do { } while (0) |
542 | #define ECB_MEMORY_FENCE do { } while (0) |
| 543 | #endif |
543 | #endif |
| 544 | |
544 | |
| 545 | #ifndef ECB_MEMORY_FENCE |
545 | #ifndef ECB_MEMORY_FENCE |
| 546 | #if ECB_GCC_VERSION(2,5) |
546 | #if ECB_GCC_VERSION(2,5) |
| 547 | #if __x86 |
547 | #if __i386__ |
| 548 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
548 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
| 549 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */ |
549 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */ |
| 550 | #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */ |
550 | #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */ |
| 551 | #elif __amd64 |
551 | #elif __amd64 |
| 552 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
552 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
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| 554 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */ |
554 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */ |
| 555 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
555 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
| 556 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
556 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
| 557 | #elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \ |
557 | #elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \ |
| 558 | || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__) |
558 | || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__) |
| 559 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,4" : : "r" (0) : "memory") |
559 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
| 560 | #elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \ |
560 | #elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \ |
| 561 | || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ ) |
561 | || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ ) |
| 562 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dsb" : : : "memory") |
562 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
| 563 | #endif |
563 | #endif |
| 564 | #endif |
564 | #endif |
| 565 | #endif |
565 | #endif |
| 566 | |
566 | |
| 567 | #ifndef ECB_MEMORY_FENCE |
567 | #ifndef ECB_MEMORY_FENCE |
