Nice explanation of why #GCC had to disable "gusa" soft atomics for pre-sh3 SuperH: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=50457 …
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Replying to @RichFelker
@RichFelker What are "gusa" soft atomics used for?1 reply 0 retweets 0 likes
@landley It's a super-cheap (cheaper than hardware, even) way of doing atomics that works on any non-SMP architecture.
4:28 PM - 27 Apr 2015
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