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arc allocation method aligned (#15588)

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* progress

* fix typo
This commit is contained in:
cooldome 2020-10-19 13:50:06 +01:00 • committed by GitHub
commit 833035bacd
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9 changed files with 85 additions and 41 deletions
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8
lib/system/arc.nim
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@ -79,10 +79,6 @@ proc nimNewObj(size: int): pointer {.compilerRtl.} =
let s = size + sizeof(RefHeader)
when defined(nimscript):
discard
elif defined(useMalloc):
var orig = c_malloc(cuint s)
nimZeroMem(orig, s)
result = orig +! sizeof(RefHeader)
elif compileOption("threads"):
result = allocShared0(s) +! sizeof(RefHeader)
else:
@ -102,8 +98,6 @@ proc nimNewObjUninit(size: int): pointer {.compilerRtl.} =
let s = size + sizeof(RefHeader)
when defined(nimscript):
discard
elif defined(useMalloc):
var orig = cast[ptr RefHeader](c_malloc(cuint s))
elif compileOption("threads"):
var orig = cast[ptr RefHeader](allocShared(s))
else:
@ -171,8 +165,6 @@ proc nimRawDispose(p: pointer) {.compilerRtl.} =
# we do NOT really free the memory here in order to reliably detect use-after-frees
if freedCells.data == nil: init(freedCells)
freedCells.incl head(p)
elif defined(useMalloc):
c_free(p -! sizeof(RefHeader))
elif compileOption("threads"):
deallocShared(p -! sizeof(RefHeader))
else: