[PATCH] D137946: [X86] Allow no X87 on 32-bit

[Phoebe Wang via Phabricator via llvm-commits]

pengfei added inline comments.


================
Comment at: llvm/test/CodeGen/X86/no-ret-in-x87-reg.ll:140
+; NOX87-NEXT:    addl $24, %esp
+; NOX87-NEXT:    movzwl %cx, %ecx
 ; NOX87-NEXT:    retl
----------------
LuoYuanke wrote:
> Is it because the last 16 bit value is stored in `cx`?
Yes. We first bitcast `f80` to `i80`, then extend it to `i96`. We cleared the upper 16 bits during this stage.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D137946/new/

https://reviews.llvm.org/D137946