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fixes recently introduced regression

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This commit is contained in:
Araq 2014-09-03 22:00:23 +02:00
commit 4c870fc293
1 changed files with 4 additions and 1 deletions
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5
compiler/vmgen.nim
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@ -1057,7 +1057,7 @@ proc genAddrDeref(c: PCtx; n: PNode; dest: var TDest; opc: TOpcode;
# nkAddr we must not use 'unneededIndirection', but for deref we use it. # nkAddr we must not use 'unneededIndirection', but for deref we use it.
if not isAddr and unneededIndirection(n.sons[0]): if not isAddr and unneededIndirection(n.sons[0]):
gen(c, n.sons[0], dest, newflags) gen(c, n.sons[0], dest, newflags)
elif isGlobal(n.sons[0]): elif isAddr and isGlobal(n.sons[0]):
gen(c, n.sons[0], dest, flags+{gfAddrOf}) gen(c, n.sons[0], dest, flags+{gfAddrOf})
else: else:
let tmp = c.genx(n.sons[0], newflags) let tmp = c.genx(n.sons[0], newflags)
@ -1137,6 +1137,9 @@ proc isTemp(c: PCtx; dest: TDest): bool =
template needsAdditionalCopy(n): expr = template needsAdditionalCopy(n): expr =
not c.isTemp(dest) and not fitsRegister(n.typ) not c.isTemp(dest) and not fitsRegister(n.typ)
proc skipDeref(n: PNode): PNode =
result = if n.kind in {nkDerefExpr, nkHiddenDeref}: n.sons[0] else n
proc preventFalseAlias(c: PCtx; n: PNode; opc: TOpcode; proc preventFalseAlias(c: PCtx; n: PNode; opc: TOpcode;
dest, idx, value: TRegister) = dest, idx, value: TRegister) =
# opcLdObj et al really means "load address". We sometimes have to create a # opcLdObj et al really means "load address". We sometimes have to create a