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Author SHA1 Message Date
Nemanja Ivanovic 1c39ca6501 Scalar to vector conversions using direct moves 
This patch corresponds to review:
http://reviews.llvm.org/D11471

It improves the code generated for converting a scalar to a vector value. With
direct moves from GPRs to VSRs, we no longer require expensive stack operations
for this. Subsequent patches will handle the reverse case and more general
operations between vectors and their scalar elements.

llvm-svn: 244921
 2015-08-13 17:40:44 +00:00
Nemanja Ivanovic c38b5311cb Add direct moves to/from VSR and exploit them for FP/INT conversions 
This patch corresponds to review:
http://reviews.llvm.org/D8928

It adds direct move instructions to/from VSX registers to GPR's. These are
exploited for FP <-> INT conversions.

llvm-svn: 234682
 2015-04-11 10:40:42 +00:00