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fixes serious codegen regression; C++ target works again

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This commit is contained in:
Araq 2015-04-20 21:24:49 +02:00
commit daefc2567b
1 changed files with 7 additions and 1 deletions
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8
compiler/ccgexprs.nim
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@ -676,7 +676,7 @@ proc isCppRef(p: BProc; typ: PType): bool {.inline.} =
proc genDeref(p: BProc, e: PNode, d: var TLoc; enforceDeref=false) =
let mt = mapType(e.sons[0].typ)
if (mt in {ctArray, ctPtrToArray} and not enforceDeref):
if mt in {ctArray, ctPtrToArray} and not enforceDeref:
# XXX the amount of hacks for C's arrays is incredible, maybe we should
# simply wrap them in a struct? --> Losing auto vectorization then?
#if e[0].kind != nkBracketExpr:
@ -702,6 +702,12 @@ proc genDeref(p: BProc, e: PNode, d: var TLoc; enforceDeref=false) =
of tyPtr:
d.s = OnUnknown # BUGFIX!
else: internalError(e.info, "genDeref " & $a.t.kind)
elif p.module.compileToCpp:
let typ = skipTypes(a.t, abstractInst)
if typ.kind == tyVar and tfVarIsPtr notin typ.flags and
e.kind == nkHiddenDeref:
putIntoDest(p, d, e.typ, rdLoc(a))
return
if enforceDeref and mt == ctPtrToArray:
# we lie about the type for better C interop: 'ptr array[3,T]' is
# translated to 'ptr T', but for deref'ing this produces wrong code.