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4 Commits

Author SHA1 Message Date
Eli Friedman 7c3bdede25 Generic expansion for atomic load/store into cmpxchg/atomicrmw xchg; implements 64-bit atomic load/store for ARM. 
llvm-svn: 138872
 2011-08-31 18:26:09 +00:00
Eli Friedman 1ccecbb9d3 64-bit atomic cmpxchg for ARM. 
llvm-svn: 138868
 2011-08-31 17:52:22 +00:00
Eli Friedman 2c7bb52f56 Some minor cleanups for r138845. 
llvm-svn: 138846
 2011-08-31 00:41:05 +00:00
Eli Friedman c3f9c4a852 Some 64-bit atomic operations on ARM. 64-bit cmpxchg coming next. 
llvm-svn: 138845
 2011-08-31 00:31:29 +00:00