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| author | Richard Braun <rbraun@sceen.net> | 2017-04-05 22:58:28 +0200 |
|---|---|---|
| committer | Richard Braun <rbraun@sceen.net> | 2017-04-05 22:58:28 +0200 |
| commit | 5ce18996d0b4ac36e54cb70bfa78cf9a65a5ca7c (patch) | |
| tree | 874ba375426b3e535dce2a7fa8c4b3eb47c0c134 /arch/x86/machine/atomic.h | |
| parent | 2e05352f1df7efa4f1279b35ea3ff0141b965061 (diff) | |
x86/atomic: disable 64b operations on i386 when building with clang
Diffstat (limited to 'arch/x86/machine/atomic.h')
| -rw-r--r-- | arch/x86/machine/atomic.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/machine/atomic.h b/arch/x86/machine/atomic.h index c9ec05e..b5a0b5c 100644 --- a/arch/x86/machine/atomic.h +++ b/arch/x86/machine/atomic.h @@ -85,8 +85,16 @@ MACRO_END #endif /* __LP64__ */ /* + * XXX Clang seems to have trouble with 64-bits operations on 32-bits + * processors. + */ +#if defined(__LP64__) || !defined(__clang__) + +/* * Report that 64-bits operations are supported. */ #define ATOMIC_HAVE_64B_OPS +#endif /* __clang__ */ + #endif /* _X86_ATOMIC_H */ |