[PATCH] D103906: Do not generate calls to the 128-bit function multi3() on 32-bit ARM.The function multi3() is undefined on 32-bit ARM, so a call to it should never be emitted.Instead, plain instructions need to be generated to perform 128-bit multiplications.

Tue Jun 8 09:18:28 PDT 2021

koutheir created this revision.
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Do not generate calls to the 128-bit function __multi3() on 32-bit ARM.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D103906

Files:
  llvm/lib/Target/ARM/ARMISelLowering.cpp
  llvm/test/CodeGen/ARM/umulo-128-legalisation-lowering.ll

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[PATCH] D103906: Do not generate calls to the 128-bit function __multi3() on 32-bit ARM.The function __multi3() is undefined on 32-bit ARM, so a call to it should never be emitted.Instead, plain instructions need to be generated to perform 128-bit multiplications.

[PATCH] D103906: Do not generate calls to the 128-bit function multi3() on 32-bit ARM.The function multi3() is undefined on 32-bit ARM, so a call to it should never be emitted.Instead, plain instructions need to be generated to perform 128-bit multiplications.