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| author | Alon Zakai <alonzakai@gmail.com> | 2013-06-19 16:07:33 -0700 |
|---|---|---|
| committer | Alon Zakai <alonzakai@gmail.com> | 2013-06-19 16:07:33 -0700 |
| commit | e871c2ee89303d8f336711e20d551073fab30919 (patch) | |
| tree | ae3c7bf80906e5fa786eda68b777729f05d2d715 | |
| parent | ea9efe32c9cc66bcbbdb15a1c33bf10dfbe821c5 (diff) | |
properly coerce imprecise i64 math calls
| -rw-r--r-- | src/parseTools.js | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/parseTools.js b/src/parseTools.js index d54480c7..37a6c418 100644 --- a/src/parseTools.js +++ b/src/parseTools.js @@ -710,9 +710,9 @@ function splitI64(value, floatConversion) { var lowInput = legalizedI64s ? value : 'VALUE'; if (floatConversion && ASM_JS) lowInput = asmFloatToInt(lowInput); if (legalizedI64s) { - return [lowInput + '>>>0', 'Math.min(Math.floor((' + value + ')/' + asmEnsureFloat(4294967296, 'float') + '), ' + asmEnsureFloat(4294967295, 'float') + ')>>>0']; + return [lowInput + '>>>0', asmCoercion('Math.min(' + asmCoercion('Math.floor((' + value + ')/' + asmEnsureFloat(4294967296, 'float') + ')', 'double') + ', ' + asmEnsureFloat(4294967295, 'float') + ')', 'i32') + '>>>0']; } else { - return makeInlineCalculation(makeI64(lowInput + '>>>0', 'Math.min(Math.floor(VALUE/' + asmEnsureFloat(4294967296, 'float') + '), ' + asmEnsureFloat(4294967295, 'float') + ')>>>0'), value, 'tempBigIntP'); + return makeInlineCalculation(makeI64(lowInput + '>>>0', asmCoercion('Math.min(' + asmCoercion('Math.floor(VALUE/' + asmEnsureFloat(4294967296, 'float') + ')', 'double') + ', ' + asmEnsureFloat(4294967295, 'float') + ')', 'i32') + '>>>0'), value, 'tempBigIntP'); } } function mergeI64(value, unsigned) { |