[Bug 86997] non-portable x86/x86_64 inline assembly
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Thu Dec 4 01:29:20 PST 2014
https://bugs.freedesktop.org/show_bug.cgi?id=86997
--- Comment #1 from Timo Teräs <timo.teras at iki.fi> ---
Seems that memory barrier is the only thing needed. Consider using compiler
built-ins when possible.
See:
http://en.wikipedia.org/wiki/Memory_ordering#Compiler_support_for_hardware_memory_barriers
So with gcc>=4.4 __sync_synchronize() would be preferred.
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