[PATCH] D104061: [LangRef] clarify the meaning of noimplicitfloat

[Craig Topper via Phabricator via llvm-commits]

craig.topper added a comment.

In D104061#2811804 <https://reviews.llvm.org/D104061#2811804>, @rnk wrote:

> That's a good point, if this attribute disables vectorization of integer math, the docs should say as much.

The examples I know of are using vector ctpop instructions when

In D104061#2811804 <https://reviews.llvm.org/D104061#2811804>, @rnk wrote:

> That's a good point, if this attribute disables vectorization of integer math, the docs should say as much.

Note, I don't know specifically about the vectorizer. I was referring to backend tricks like this https://godbolt.org/z/KaE9T8P1q where we use the vector unit to expand i64 popcnt on 32-bit target.


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