[flang-commits] [PATCH] D129296: Lower mask intrinsics

[Tarun Prabhu via Phabricator via flang-commits]

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This patch lowers the maskl and maskr intrinsics from F2008 <https://reviews.llvm.org/F2008>.

The first argument to the intrinsic is I which is the number of bits on the left/right to be set in the result.

If I == 0, no bits will be set in the result

If I == BIT_SIZE(KIND), all bits will be set in the result

If I < 0 or I > BIT_SIZE(KIND), the result will always be 0.

where KIND is optionally provided as an argument to MASK* and is the default integer kind if left unspecified.


https://reviews.llvm.org/D129296

Files:
  flang/lib/Lower/IntrinsicCall.cpp
  flang/test/Lower/Intrinsics/maskl.f90
  flang/test/Lower/Intrinsics/maskr.f90

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