Leonard Chan 68d428e578 [Intrinsic] Unsigned Fixed Point Multiplication Intrinsic ...

Add an intrinsic that takes 2 unsigned integers with the scale of them
provided as the third argument and performs fixed point multiplication on
them.

This is a part of implementing fixed point arithmetic in clang where some of
the more complex operations will be implemented as intrinsics.

Differential Revision: https://reviews.llvm.org/D55625

llvm-svn: 353059

2019-02-04 17:18:11 +00:00

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