diff options
Diffstat (limited to 'src/passes/ConstHoisting.cpp')
| -rw-r--r-- | src/passes/ConstHoisting.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/passes/ConstHoisting.cpp b/src/passes/ConstHoisting.cpp index e808f7af4..e598a2995 100644 --- a/src/passes/ConstHoisting.cpp +++ b/src/passes/ConstHoisting.cpp @@ -22,7 +22,12 @@ // WARNING: this often shrinks code size, but can *increase* gzip // size. apparently having the constants in their proper // places lets them be compressed better, across -// functions, etc. +// functions, etc. TODO investigate +// TODO: hoisting a zero does not even require an initial set! +// TODO: hoisting a float or double zero is especially beneficial as there +// is no LEB compression for them, and no need for the set, so +// each f32.const is 5 bytes and f64.const is 9 bytes, while it is +// <= 1 byte to declare the local and 2-3 to use it! // #include <map> |