pengfei added inline comments.

================
Comment at: llvm/lib/Target/X86/X86CallingConv.td:279
+  CCIfNotSubtarget<"hasX87()",
+    CCIfType<[f32], CCAssignToReg<[EAX, EDX, ECX]>>>,
   CCIfType<[f16], CCAssignToReg<[XMM0,XMM1,XMM2]>>,
----------------
nickdesaulniers wrote:
> Is there a test case that exercises the assignment to %ecx?
Add one test case for it, though I don't believe we can really generate it from 
frontend.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D112143/new/

https://reviews.llvm.org/D112143

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