[PATCH] D111497: m68k: Support bit shifts on 64-bit integers

[Annika L. via Phabricator via llvm-commits]

AnnikaCodes added inline comments.


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Comment at: llvm/test/CodeGen/M68k/Arith/bitwise.ll:241
+; CHECK-NEXT:    move.l (16,%sp), (%sp)
+; CHECK-NEXT:    jsr __lshrdi3 at PLT
+; CHECK-NEXT:    adda.l #12, %sp
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jrtc27 wrote:
> Hm now why is this being turned into a libcall, I'd expect Expand to inline it. RISC-V has custom lowering you could copy, but that lowering looks pretty generic (just turn XLEN into the width of the first operand).
Yeah, the custom lowering does away with the call.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D111497/new/

https://reviews.llvm.org/D111497