[PATCH] D109385: [X86] Disable muloti4 libcalls for x86-64.

[Craig Topper via Phabricator via llvm-commits]

craig.topper created this revision.
craig.topper added reviewers: RKSimon, spatel, nickdesaulniers, lebedev.ri, efriedma.
Herald added subscribers: pengfei, hiraditya.
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This library function only exists in compiler-rt not libgcc. So
this would fail to link unless we were linking with compiler-rt.

This is consistent with the recent removal of calls to mulodi4 on
32-bit targets like D108928 <https://reviews.llvm.org/D108928>.

I suppose maybe we could keep the libcalls for platforms like
Darwin that use compiler-rt exclusively?


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D109385

Files:
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/test/CodeGen/X86/muloti.ll
  llvm/test/CodeGen/X86/smulo-128-legalisation-lowering.ll
  llvm/test/CodeGen/X86/vec_smulo.ll

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