jyapayne/Nim
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Fix abs & unary sub in semfold (#8724)

Browse source
This commit is contained in:
Oscar Nihlgård 2018-08-22 15:59:33 +02:00 • committed by Andreas Rumpf
commit 7dcf435b4b
2 changed files with 10 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

8
compiler/semfold.nim
View file

@ -69,9 +69,13 @@ proc foldSub*(a, b: BiggestInt, n: PNode; g: ModuleGraph): PNode =
checkInRange(g.config, n, res):
result = newIntNodeT(res, n, g)
proc foldUnarySub(a: BiggestInt, n: PNode, g: ModuleGraph): PNode =
if a != firstOrd(g.config, n.typ):
result = newIntNodeT(-a, n, g)
proc foldAbs*(a: BiggestInt, n: PNode; g: ModuleGraph): PNode =
if a != firstOrd(g.config, n.typ):
result = newIntNodeT(a, n, g)
result = newIntNodeT(abs(a), n, g)
proc foldMod*(a, b: BiggestInt, n: PNode; g: ModuleGraph): PNode =
if b != 0'i64:
@ -216,7 +220,7 @@ proc evalOp(m: TMagic, n, a, b, c: PNode; g: ModuleGraph): PNode =
case m
of mOrd: result = newIntNodeT(getOrdValue(a), n, g)
of mChr: result = newIntNodeT(getInt(a), n, g)
of mUnaryMinusI, mUnaryMinusI64: result = newIntNodeT(- getInt(a), n, g)
of mUnaryMinusI, mUnaryMinusI64: result = foldUnarySub(getInt(a), n, g)
of mUnaryMinusF64: result = newFloatNodeT(- getFloat(a), n, g)
of mNot: result = newIntNodeT(1 - getInt(a), n, g)
of mCard: result = newIntNodeT(nimsets.cardSet(g.config, a), n, g)