[PATCH] D113335: [X86] Preserve FPSW when popping x87 stack

[Serge Pavlov via Phabricator via llvm-commits]

sepavloff marked 4 inline comments as done.
sepavloff added inline comments.


================
Comment at: llvm/lib/Target/X86/X86FloatingPoint.cpp:847
+    const MachineOperand &MO = MI.getOperand(i);
+    if (MO.isReg() && MO.getReg() == X86::FPSW && MO.isUse())
+      return true;
----------------
craig.topper wrote:
> Can this use MachineInstr::readsRegister
Used `MachineInstr::readsRegister` directly.


Repository:
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  https://reviews.llvm.org/D113335/new/

https://reviews.llvm.org/D113335