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bitwise move overflow check, TODO still have different result when ri…
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…ght operand is negtive
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bung87 committed Aug 24, 2020
1 parent 78a8e6d commit f4a50af
Showing 1 changed file with 2 additions and 2 deletions.
4 changes: 2 additions & 2 deletions compiler/jsgen.nim
Original file line number Diff line number Diff line change
Expand Up @@ -606,12 +606,12 @@ proc arithAux(p: PProc, n: PNode, r: var TCompRes, op: TMagic) =
if n[1].typ.size <= 4:
applyFormat("($1 << $2)", "($1 << $2)")
else:
applyFormat("($1 * Math.pow(2,$2))", "($1 * Math.pow(2,$2))")
applyFormat("mulInt($1, Math.pow(2,$2))", "($1 * Math.pow(2,$2))")
of mAshrI:
if n[1].typ.size <= 4:
applyFormat("($1 >> $2)", "($1 >> $2)")
else:
applyFormat("Math.floor($1 / Math.pow(2,$2))", "Math.floor($1 / Math.pow(2,$2))")
applyFormat("divInt($1, Math.pow(2,$2))", "Math.trunc($1 / Math.pow(2,$2))")
of mBitandI: applyFormat("($1 & $2)", "($1 & $2)")
of mBitorI: applyFormat("($1 | $2)", "($1 | $2)")
of mBitxorI: applyFormat("($1 ^ $2)", "($1 ^ $2)")
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