mirrors/Nim
1
0
Fork 0
mirror of https://github.com/nim-lang/Nim.git synced 2026-06-09 05:14:20 +00:00
Code Issues Packages Projects Releases Wiki Activity

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
parent d94ee75d1c
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)