diff options
| author | Dan Gohman <dan433584@gmail.com> | 2016-02-19 19:22:44 +0000 |
|---|---|---|
| committer | Dan Gohman <dan433584@gmail.com> | 2016-02-19 19:22:44 +0000 |
| commit | 87e368b7db8ec570b82f94c706734320a7145e6c (patch) | |
| tree | 037998ac98370b139bdcc57e428f97c4a5dbe948 /llvm/lib | |
| parent | 41331afaef7d4211b8d3ade96b562f1a106773b9 (diff) | |
| download | bcm5719-llvm-87e368b7db8ec570b82f94c706734320a7145e6c.tar.gz bcm5719-llvm-87e368b7db8ec570b82f94c706734320a7145e6c.zip | |
[WebAssembly] Add another optimization idea to README.txt.
llvm-svn: 261354
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/WebAssembly/README.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/Target/WebAssembly/README.txt b/llvm/lib/Target/WebAssembly/README.txt index 68f902ee59f..a2b35b23447 100644 --- a/llvm/lib/Target/WebAssembly/README.txt +++ b/llvm/lib/Target/WebAssembly/README.txt @@ -100,3 +100,9 @@ WebAssembly registers are implicitly initialized to zero. Explicit zeroing is therefore often redundant and could be optimized away. //===---------------------------------------------------------------------===// + +Small indices may use smaller encodings than large indices. +WebAssemblyRegRenumbering should sort registers according to their usage +frequency to maximize the usage of smaller encodings. + +//===---------------------------------------------------------------------===// |
