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| author | Stuart Hastings <stuart@apple.com> | 2011-06-01 17:17:45 +0000 |
|---|---|---|
| committer | Stuart Hastings <stuart@apple.com> | 2011-06-01 17:17:45 +0000 |
| commit | 10ff0bbdfbeb6f7485979744d16daea4795d45b2 (patch) | |
| tree | 1d37d9920b2173c6502b35b95373217fef2ea2aa /lib/CodeGen/SelectionDAG/TargetLowering.cpp | |
| parent | f1002828fdaffa4e005a81f269c77fe72951f39f (diff) | |
Add support for x86 CMPEQSS and friends. These instructions do a
floating-point comparison, generate a mask of 0s or 1s, and generally
DTRT with NaNs. Only profitable when the user wants a materialized 0
or 1 at runtime. rdar://problem/5993888
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132404 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/TargetLowering.cpp')
0 files changed, 0 insertions, 0 deletions