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[refactoring] remove zeroExtend and friends from the compiler builtins. (#11531)

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* remove zeroExtend and friends from the compiler builtins.
* fix jssys
This commit is contained in:
Arne Döring 2019-06-24 09:19:02 +02:00 • committed by Andreas Rumpf
commit e90d91f0e4
10 changed files with 76 additions and 116 deletions
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6
compiler/semfold.nim
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@ -219,12 +219,6 @@ proc evalOp(m: TMagic, n, a, b, c: PNode; g: ModuleGraph): PNode =
of mToInt, mToBiggestInt: result = newIntNodeT(system.toInt(getFloat(a)), n, g)
of mAbsF64: result = newFloatNodeT(abs(getFloat(a)), n, g)
of mAbsI: result = foldAbs(getInt(a), n, g)
of mZe8ToI, mZe8ToI64, mZe16ToI, mZe16ToI64, mZe32ToI64, mZeIToI64:
# byte(-128) = 1...1..1000_0000'64 --> 0...0..1000_0000'64
result = newIntNodeT(getInt(a) and (`shl`(1, getSize(g.config, a.typ) * 8) - 1), n, g)
of mToU8: result = newIntNodeT(getInt(a) and 0x000000FF, n, g)
of mToU16: result = newIntNodeT(getInt(a) and 0x0000FFFF, n, g)
of mToU32: result = newIntNodeT(getInt(a) and 0x00000000FFFFFFFF'i64, n, g)
of mUnaryLt: result = doAndFit(foldSub(getOrdValue(a), 1, n, g))
of mSucc: result = doAndFit(foldAdd(getOrdValue(a), getInt(b), n, g))
of mPred: result = doAndFit(foldSub(getOrdValue(a), getInt(b), n, g))