diff options
| author | Nadav Rotem <nadav.rotem@intel.com> | 2011-10-30 13:24:22 +0000 |
|---|---|---|
| committer | Nadav Rotem <nadav.rotem@intel.com> | 2011-10-30 13:24:22 +0000 |
| commit | fb0dfbbff7fb3a9cff09301c174a65aec7b98760 (patch) | |
| tree | 029856aabf6a78871d347e2126e7675bd0ae6a3c /lib/Linker/LinkModules.cpp | |
| parent | 50bf86ea8a757be4059a56a2c38270873dcf9e2e (diff) | |
Fix pr11266.
On x86: (shl V, 1) -> add V,V
Hardware support for vector-shift is sparse and in many cases we scalarize the
result. Additionally, on sandybridge padd is faster than shl.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143311 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Linker/LinkModules.cpp')
0 files changed, 0 insertions, 0 deletions