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3 Commits

Author SHA1 Message Date
Dan Gohman 1b095b443c Convert several tests to use temporary files instead of redundantly 
executing the test commands.

llvm-svn: 52163
 2008-06-10 00:36:41 +00:00
Evan Cheng f77b5ef3d0 Favors pshufd over shufps when shuffling elements from one vector. pshufd is faster than shufps. 
llvm-svn: 49244
 2008-04-05 00:30:36 +00:00
Evan Cheng 4fbf459549 - Improved v8i16 shuffle lowering. It now uses pshuflw and pshufhw as much as 
possible before resorting to pextrw and pinsrw.
- Better codegen for v4i32 shuffles masquerading as v8i16 or v16i8 shuffles.
- Improves (i16 extract_vector_element 0) codegen by recognizing
  (i32 extract_vector_element 0) does not require a pextrw.

llvm-svn: 44836
 2007-12-11 01:46:18 +00:00