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6dd54feb
2013 May 09
0
[LLVMdev] Predicated Vector Operations
...what hopeful that the desired semantics are for this to form a
datarace (and thus require synchronization when occurring in different
threads like this).
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2013 May 08
4
[LLVMdev] Predicated Vector Operations
On May 8, 2013, at 4:00 PM, Eric Christopher <echristo at gmail.com> wrote:
>
> Thinking that a masked store is conservatively a store of the full
> width of the store right?
It depends on the optimization. Consider this example:
masked_store(Val, Ptr , M)
X = masked_load(Ptr, M2)
If you assume that your store actually overwrites everything in that memory location then you