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code gen can generate code to keep alive stack roots

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This commit is contained in:
Araq 2011-12-22 15:04:00 +01:00
commit cd83cc81aa
12 changed files with 125 additions and 44 deletions
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6
compiler/ccgcalls.nim
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@ -252,7 +252,8 @@ proc genCall(p: BProc, e: PNode, d: var TLoc) =
genNamedParamCall(p, e, d)
else:
genPrefixCall(p, nil, e, d)
if d.s == onStack and containsGarbageCollectedRef(d.t): keepAlive(p, d)
when false:
if d.s == onStack and containsGarbageCollectedRef(d.t): keepAlive(p, d)
proc genAsgnCall(p: BProc, le, ri: PNode, d: var TLoc) =
if ri.sons[0].kind == nkSym and sfInfixCall in ri.sons[0].sym.flags and
@ -262,5 +263,6 @@ proc genAsgnCall(p: BProc, le, ri: PNode, d: var TLoc) =
genNamedParamCall(p, ri, d)
else:
genPrefixCall(p, le, ri, d)
if d.s == onStack and containsGarbageCollectedRef(d.t): keepAlive(p, d)
when false:
if d.s == onStack and containsGarbageCollectedRef(d.t): keepAlive(p, d)