[llvm-dev] setOperationAction(ISD::ADD, MVT::v16i32, Legal) in isellowering.cpp

Craig Topper via llvm-dev llvm-dev at lists.llvm.org
Sun Jul 23 07:37:17 PDT 2017

I think ADD and SUB are called in a loop that iterates over a list of types.

On Sun, Jul 23, 2017 at 3:31 AM hameeza ahmed <hahmed2305 at gmail.com> wrote:

> Hello,
> I want to ask why the following is not defined in x86isellowering.cpp
>     setOperationAction(ISD::ADD,MVT::v16i32, Legal);
> means i havent seen this in x86iselolwering.cpp then how it considers
> v16i32 add/ sub a legal operation? but i have seen this defined for mul i.e
>     setOperationAction(ISD::MUL, MVT::v16i32, Legal);
> but this is not defined for add and sub why??
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