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tables work in 'const' sections; echo supports 'nil' strings; minor cleanups

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Araq 2015-02-09 00:08:14 +01:00
commit ecd0dea091
11 changed files with 69 additions and 52 deletions
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compiler/vmgen.nim
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@ -604,7 +604,8 @@ proc genNarrowU(c: PCtx; n: PNode; dest: TDest) =
let t = skipTypes(n.typ, abstractVar-{tyTypeDesc})
# uint is uint64 in the VM, we we only need to mask the result for
# other unsigned types:
if t.kind in {tyUInt8..tyUInt32, tyInt8..tyInt32}:
if t.kind in {tyUInt8..tyUInt32, tyInt8..tyInt32} or
(t.kind == tyInt and t.size == 4):
c.gABC(n, opcNarrowU, dest, TRegister(t.size*8))
proc genBinaryABCnarrow(c: PCtx; n: PNode; dest: var TDest; opc: TOpcode) =