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3 Commits

Author SHA1 Message Date
Arnold Schwaighofer
3a1cb40149 ARM NEON: Merge a f32 bitcast of a v2i32 extractelt 
A vectorized sitfp on doubles will get scalarized to a sequence of an
extract_element of <2 x i32>, a bitcast to f32 and a sitofp.
Due to the the extract_element, and the bitcast we will uneccessarily generate
moves between scalar and vector registers.

The patch fixes this by using a COPY_TO_REGCLASS and a EXTRACT_SUBREG to extract
the element from the vector instead.

radar://13191881

llvm-svn: 175520
 2013-02-19 15:27:05 +00:00
Eli Friedman
d7496f6688 Mark FP_EXTEND form v2f32 to v2f64 as "expand" for ARM NEON. Patch by Pete Couperus. 
llvm-svn: 168240
 2012-11-17 01:52:46 +00:00
Eli Friedman
79932a2f77 Mark FP_ROUND for converting NEON v2f64 to v2f32 as expand. Add a missing 
case to vector legalization so this actually works.

Patch by Pete Couperus.  Fixes PR12540.

llvm-svn: 168107
 2012-11-15 22:44:27 +00:00