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Vm bitops fixes (#10520)

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Arne Döring 2019-02-05 09:31:37 +01:00 • committed by Andreas Rumpf
commit 824f39b32e
5 changed files with 47 additions and 62 deletions
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9
compiler/vmgen.nim
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@ -986,7 +986,14 @@ proc genMagic(c: PCtx; n: PNode; dest: var TDest; m: TMagic) =
c.freeTemp(tmp)
c.freeTemp(tmp2)
of mShlI: genBinaryABCnarrowU(c, n, dest, opcShlInt)
of mShlI:
genBinaryABC(c, n, dest, opcShlInt)
# genNarrowU modified
let t = skipTypes(n.typ, abstractVar-{tyTypeDesc})
if t.kind in {tyUInt8..tyUInt32} or (t.kind == tyUInt and t.size < 8):
c.gABC(n, opcNarrowU, dest, TRegister(t.size*8))
elif t.kind in {tyInt8..tyInt32} or (t.kind == tyInt and t.size < 8):
c.gABC(n, opcSignExtend, dest, TRegister(t.size*8))
of mAshrI: genBinaryABC(c, n, dest, opcAshrInt)
of mBitandI: genBinaryABC(c, n, dest, opcBitandInt)
of mBitorI: genBinaryABC(c, n, dest, opcBitorInt)