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3 Commits

Author SHA1 Message Date
Michael Liao 1be96bb5ce Enable lowering ZERO_EXTEND/ANY_EXTEND to PMOVZX from SSE4.1 
llvm-svn: 166486
 2012-10-23 17:34:00 +00:00
Nadav Rotem d2bdcebb14 When ext-loading and trunc-storing vectors to memory, on x86 32bit systems, allow loads/stores of 64bit values from xmm registers. 
llvm-svn: 160044
 2012-07-11 13:27:05 +00:00
Nadav Rotem d908ddc186 Improve the loading of load-anyext vectors by allowing the codegen to load 
multiple scalars and insert them into a vector. Next, we shuffle the elements
into the correct places, as before.
Also fix a small dagcombine bug in SimplifyBinOpWithSameOpcodeHands, when the
migration of bitcasts happened too late in the SelectionDAG process.

llvm-svn: 159991
 2012-07-10 13:25:08 +00:00