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Author SHA1 Message Date
Hal Finkel 584a70c820 [PowerPC] Add support for dcbtst and icbt (prefetch) 
Adds code generation support for dcbtst (data cache prefetch for write) and
icbt (instruction cache prefetch for read - Book E cores only).

We still end up with a 'cannot select' error for the non-supported prefetch
intrinsic forms. This will be fixed in a later commit.

Fixes PR20692.

llvm-svn: 216339
 2014-08-23 23:21:04 +00:00
Hal Finkel 322e41a914 Enable prefetch generation on PPC64. 
llvm-svn: 153851
 2012-04-01 20:08:17 +00:00