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| -rw-r--r-- | doc/snow.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/doc/snow.txt b/doc/snow.txt index c3e16ebc1c..12377e6db9 100644 --- a/doc/snow.txt +++ b/doc/snow.txt @@ -323,6 +323,10 @@ snows 9/7 Integer filter: / | \|/ | \|/ | \|/ | \|/ | + | + | + | + +3/2 +optimization tips: +following are exactly identical +(3a)>>1 == a + (a>>1) +(a + 4b + 8)>>4 == ((a>>2) + b + 2)>>2 TODO: ===== |