[PATCH] D153258: AMDGPU: Optimize set_rounding if input is known to fit in 2 bits
Matt Arsenault via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Jun 19 03:29:56 PDT 2023
arsenm created this revision.
arsenm added reviewers: AMDGPU, foad, rampitec, jhuber6, Pierre-vh, b-sumner.
Herald added subscribers: StephenFan, kerbowa, hiraditya, tpr, dstuttard, yaxunl, jvesely, kzhuravl.
Herald added a project: All.
arsenm requested review of this revision.
Herald added a subscriber: wdng.
Herald added a project: LLVM.
We don't need to figure out the weird extended rounding modes or
handle offsets to keep the lookup table in 64-bits.
https://reviews.llvm.org/D153258
Files:
llvm/lib/Target/AMDGPU/SIISelLowering.cpp
llvm/lib/Target/AMDGPU/SIModeRegisterDefaults.cpp
llvm/lib/Target/AMDGPU/SIModeRegisterDefaults.h
llvm/test/CodeGen/AMDGPU/llvm.set.rounding.ll
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