[Mesa-dev] [Bug 93089] mesa fails to check for gcc atomic primitives before using them

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Dec 4 09:29:37 PST 2015


--- Comment #8 from Jonathan Gray <jsg at openbsd.org> ---
There is no way to backport builtins for architectures that lack atomics at the
ISA level.

On arm/hppa/sh linux has a syscall which the gcc documentation claims can only
do 64 bit values on arm:

Even on Linux with the latest toolchains this should be checked as there are
cases where some or none of the atomics may be present.

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