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| author | Alon Zakai <alonzakai@gmail.com> | 2016-07-14 17:59:33 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2016-07-14 17:59:33 -0700 |
| commit | e4f99f6c81a5f23318787adba6fea1137dc755bb (patch) | |
| tree | 2fff27409e894cbfb0d473c4e768455795903505 /src/js/wasm.js-post.js | |
| parent | 4994da80284c337e5395ad836948ee38ffb967f1 (diff) | |
| download | binaryen-e4f99f6c81a5f23318787adba6fea1137dc755bb.tar.gz binaryen-e4f99f6c81a5f23318787adba6fea1137dc755bb.tar.bz2 binaryen-e4f99f6c81a5f23318787adba6fea1137dc755bb.zip | |
emit safe calls for i32 div/rem when in precise mode in asm2wasm, as they can trap (#637)
Diffstat (limited to 'src/js/wasm.js-post.js')
| -rw-r--r-- | src/js/wasm.js-post.js | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/js/wasm.js-post.js b/src/js/wasm.js-post.js index 6d73981f1..ae42ef175 100644 --- a/src/js/wasm.js-post.js +++ b/src/js/wasm.js-post.js @@ -45,6 +45,18 @@ function integrateWasmJS(Module) { "f64-to-int": function(x) { return x | 0; }, + "i32s-div": function(x, y) { + return ((x | 0) / (y | 0)) | 0; + }, + "i32u-div": function(x, y) { + return ((x >>> 0) / (y >>> 0)) >>> 0; + }, + "i32s-rem": function(x, y) { + return ((x | 0) % (y | 0)) | 0; + }, + "i32u-rem": function(x, y) { + return ((x >>> 0) % (y >>> 0)) >>> 0; + }, "debugger": function() { debugger; }, |