[PATCH] D152766: AMDGPU: Use correct lowering for llvm.log2.f32

Stanislav Mekhanoshin via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Jun 13 11:02:38 PDT 2023


rampitec added inline comments.


================
Comment at: llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp:2463
+  if (VT == MVT::f16) {
+    // Nothing in half is a denormal when promoted to f32.
+    assert(!Subtarget->has16BitInsts());
----------------
Don't you need to produce v_log_f16 if denorm handling is not needed?


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D152766/new/

https://reviews.llvm.org/D152766



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