[llvm-commits] [llvm] r112881 - /llvm/trunk/include/llvm/IntrinsicsX86.td

Eric Christopher echristo at apple.com
Thu Sep 2 15:46:56 PDT 2010

On Sep 2, 2010, at 3:45 PM, Dale Johannesen wrote:

> On Sep 2, 2010, at 3:31 PMPDT, Bill Wendling wrote:
>> On Sep 2, 2010, at 3:30 PM, Eric Christopher wrote:
>>> On Sep 2, 2010, at 3:26 PM, Bill Wendling wrote:
>>>> -//  def int_x86_mmx_palignr_b : GCCBuiltin<"__builtin_ia32_palignr">,
>>>> -//              Intrinsic<[llvm_v1i64_ty], [llvm_v1i64_ty,
>>>> -//                        llvm_v1i64_ty, llvm_i8_ty], [IntrNoMem]>;
>>>> +//   def int_x86_mmx_palignr_b : GCCBuiltin<"__builtin_ia32_palignr">,
>>>> +//               Intrinsic<[llvm_v8i8_ty], [llvm_8i8_ty,
>>>> +//                          llvm_v8i8_ty, llvm_i8_ty], [IntrNoMem]>;
>>> This will, if it's ever re-enabled, likely not match the one coming from llvm-gcc.
>> The one from llvm-gcc was changed awhile ago from "long long" to "v1di". I think the original was correct, but clang doesn't seem to agree... Eh...I'll change it back.
> llvm-gcc isn't currently producing an intrinsic for palignr because there isn't one.  I believe v8i8 corresponds best to what the instruction does, fwiw, but really in intrinsics "correct" is what we define it to be.
> No rush on palignr, that needs some work in the BE before I can turn it on.

It was at one point.  I didn't keep up with what happened here over the last day or so, been too busy watching things break.  What happened with palignr?


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