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Author SHA1 Message Date
Evan Cheng
9e15622879 Instead of a vector load, shuffle and then extract an element. Load the element from address with an offset. 
pshufd $1, (%rdi), %xmm0
        movd %xmm0, %eax
=>
        movl 4(%rdi), %eax

llvm-svn: 51026
 2008-05-13 08:35:03 +00:00
Evan Cheng
dbdf48276a - SSE4.1 extractfps extracts a f32 into a gr32 register. Very useful! Not. Fix the instruction specification and teaches lowering code to use it only when the only use is a store instruction. 
llvm-svn: 48746
 2008-03-24 21:52:23 +00:00