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4 Commits

Author SHA1 Message Date
Nadav Rotem
4dff258bfb The LIT tests below do not specify the exact cpu model and fail on AVX2 machines, because we select different instructions such as vbroadcast, new shuffles, etc. 
Patch by Michael Liao.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160129 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-07-12 13:45:15 +00:00
NAKAMURA Takumi
e51a69c8fd Relax expressions and add explicit triplets -linux and -win32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126200 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 07:19:46 +00:00
Benjamin Kramer
c9b6a3eb90 Fix an off-by-one error in ctpop combining. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123664 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-17 18:00:28 +00:00
Benjamin Kramer
d822892455 Add a DAGCombine to turn (ctpop x) u< 2 into (x & x-1) == 0. 
This shaves off 4 popcounts from the hacked 186.crafty source.

This is enabled even when a native popcount instruction is available. The
combined code is one operation longer but it should be faster nevertheless.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123621 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-17 12:04:57 +00:00