[PATCH] D74729: [FPEnv] Intrinsic for setting rounding mode
Matt Arsenault via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Apr 27 12:55:49 PDT 2020
arsenm added inline comments.
================
Comment at: llvm/docs/LangRef.rst:18146-18150
+ 0 - toward zero
+ 1 - to nearest, ties to even
+ 2 - toward positive infinity
+ 3 - toward negative infinity
+ 4 - to nearest, ties away from zero
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I'm wondering if this should be more opaque, and broader for the entire FP environment (not just the rounding mode). For AMDGPU we have a number of additional bits in the FP environment. We also have the denormal mode, enabling FP exceptions, and a few more exotic target specific FP mode bits.
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rG LLVM Github Monorepo
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https://reviews.llvm.org/D74729/new/
https://reviews.llvm.org/D74729
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