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Author SHA1 Message Date
Tim Northover 1683caab3a ARM: implement __sync_fetch_and_* operations 
Since these are primarily useful for deeply embedded targets where code size is
very important, they are each in a separate file making use of infrastructure
in sync-ops.h. This allows a linker to include just the functions that are
actually used.

rdar://problem/14736665

llvm-svn: 202812
 2014-03-04 10:10:17 +00:00
Alexey Samsonov a6b264b51d Move original compiler-rt functions (libgcc replacement) to lib/builtins directory 
llvm-svn: 201393
 2014-02-14 09:20:33 +00:00