[llvm-commits] CVS: llvm/lib/Target/README.txt

[Chris Lattner]

Changes in directory llvm/lib/Target:

README.txt updated: 1.46 -> 1.47
---
Log message:

add a note about viterbi


---
Diffs of the changes:  (+6 -0)

 README.txt |    6 ++++++
 1 files changed, 6 insertions(+)


Index: llvm/lib/Target/README.txt
diff -u llvm/lib/Target/README.txt:1.46 llvm/lib/Target/README.txt:1.47
--- llvm/lib/Target/README.txt:1.46	Mon Nov  6 15:26:49 2006
+++ llvm/lib/Target/README.txt	Thu Nov  9 18:23:26 2006
@@ -354,3 +354,9 @@
 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.
+
+//===---------------------------------------------------------------------===//