[Bug target/50457] SH2A atomic functions

[olegendo at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50457

--- Comment #8 from Oleg Endo <olegendo at gcc dot gnu.org> 2012-10-01 13:49:44 UTC ---
Hm, we still have libgcc/config/sh/linux-atomic.S around, which provides gUSA
only implementations of atomic functions.  How about replacing this with a C
implementation instead?  The C functions would then simply invoke the __builtin
atomic functions.  Would that be OK to do?