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3 Commits

Author SHA1 Message Date
Nadav Rotem 7b3120b9ae On Sandybridge split unaligned 256bit stores into two xmm-sized stores. 
llvm-svn: 172894
 2013-01-19 08:38:41 +00:00
Michael Liao e26b0313de Specify CPU model to avoid breaking ATOM builds 
llvm-svn: 165638
 2012-10-10 18:04:52 +00:00
Michael Liao e999b865dd Add support for FP_ROUND from v2f64 to v2f32 
- Due to the current matching vector elements constraints in
  ISD::FP_ROUND, rounding from v2f64 to v4f32 (after legalization from
  v2f32) is scalarized. Add a customized v2f32 widening to convert it
  into a target-specific X86ISD::VFPROUND to work around this
  constraints.

llvm-svn: 165631
 2012-10-10 16:53:28 +00:00