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Author SHA1 Message Date
Hal Finkel 4a912250fa [PowerPC] Make use of VSX f64 <-> i64 conversion instructions 
When VSX is available, these instructions should be used in preference to the
older variants that only have access to the scalar floating-point registers.

llvm-svn: 204559
 2014-03-23 05:35:00 +00:00
Hal Finkel f6d45f2379 Add more PPC floating-point conversion instructions 
The P7 and A2 have additional floating-point conversion instructions which
allow a direct two-instruction sequence (plus load/store) to convert from all
combinations (signed/unsigned i32/i64) <--> (float/double) (on previous cores,
only some combinations were directly available).

llvm-svn: 178480
 2013-04-01 17:52:07 +00:00