diff options
| author | Chris Lattner <sabre@nondot.org> | 2006-11-10 00:23:26 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-11-10 00:23:26 +0000 |
| commit | 578d2df84b7243a448f9631e88f76880590519f0 (patch) | |
| tree | c295332e8e672a816656fcf5cbd595a393b300aa | |
| parent | 08ff1480ffcb22e946c7bb6c7d66c5d977ae3d6e (diff) | |
add a note about viterbi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31612 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/README.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Target/README.txt b/lib/Target/README.txt index 19bd9d137d..3e5dbf6172 100644 --- a/lib/Target/README.txt +++ b/lib/Target/README.txt @@ -354,3 +354,9 @@ Instcombine misses several of these cases (see the testcase in the patch): http://gcc.gnu.org/ml/gcc-patches/2006-10/msg01519.html //===---------------------------------------------------------------------===// + +viterbi speeds up *significantly* if the various "history" related copy loops +are turned into memcpy calls at the source level. We need a "loops to memcpy" +pass. + +//===---------------------------------------------------------------------===// |