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author | Alon Zakai <alonzakai@gmail.com> | 2012-12-12 16:32:07 -0800 |
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committer | Alon Zakai <alonzakai@gmail.com> | 2012-12-12 16:32:07 -0800 |
commit | 2aa6d93eddceca6d908e4903ce55952180c7d40d (patch) | |
tree | 63b8b609c69132cd4bad11c595d45da40b2d5dcd | |
parent | b7736cf61e5b216d2c9eaad4b0440321ebcd4999 (diff) |
make explicit double multiplying of ints in int multiply
-rw-r--r-- | src/parseTools.js | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/parseTools.js b/src/parseTools.js index 36d62204..c297b278 100644 --- a/src/parseTools.js +++ b/src/parseTools.js @@ -1972,6 +1972,11 @@ function processMathop(item) { Types.preciseI64MathUsed = true; return '(i64Math' + (ASM_JS ? '_' : '.') + 'multiply(' + idents[0] + ',0,' + idents[1] + ',0),' + makeGetValue('tempDoublePtr', 0, 'i32') + ')'; } else { + if (ASM_JS) { + // special-case: there is no integer multiply in asm, because there is no true integer + // multiply in JS. While we wait for Math.imul, do double multiply + return '(~~(+' + idents[0] + ' * +' + idents[1] + '))'; + } return handleOverflow(getFastValue(idents[0], '*', idents[1], item.type), bits); } } |