aheejin added a comment.

In D57874#1391133 <https://reviews.llvm.org/D57874#1391133>, @tlively wrote:

> In D57874#1389953 <https://reviews.llvm.org/D57874#1389953>, @aheejin wrote:
>
> > Anyway, moved all logic to the driver layer and did this:
> >
> > - `-matomics` means `-mthread-model posix`
> > - `-mthread-model posix` means `-matomics`
> > - `-pthread` means both `-matomics` and `-mthread-model posix`
>
>
> If you replace "-matomics" with "-mbulk-memory," I plan to duplicate the 
> logic for items 2 and 3 above, but not 1. For bulk memory even more than 
> atomics, there is a legitimate usecase for enabling it even in single 
> threaded contexts (namely getting to use memory.copy and memory.fill). I 
> wonder if consistency with how bulk memory works is a strong enough argument 
> for dropping item 1 for atomics as well.


Then now `-mthread-model posix` means both `-matomics` and `-mbulk-memory`, 
`-matomics` means `-mthread-model posix`, `-mbulk-memory` means `-mthread-model 
posix` but NOT `-matomics` means `mbulk-memory` and vice versa, right? Oh god 
it's complicated.... BTW if you are planning to use `-mthread-model` for 
turning on and off bulk memory too, why not 1?


Repository:
  rC Clang

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D57874/new/

https://reviews.llvm.org/D57874



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