joerg added inline comments.
================
Comment at: lib/CodeGen/CGBuiltin.cpp:2263
+ }
+ }
+
----------------
vsk wrote:
> rjmccall wrote:
> > Is there a reason this only fails on x86? If LLVM doesn't have generic
> > wide-operation lowering, this probably needs to be a target whitelist
> > rather than a blacklist.
> That makes sense. For the 128-bit operation, the whitelist is {x86-64,
> wasm64, mips64}. We don't support this operation for bit widths larger than
> 128 bits on any target. I'll update the patch accordingly.
That sounds wrong. __int128_t should be supported by all 64bit architectures,
not just those three.
https://reviews.llvm.org/D38861
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