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[X86] Add a FIXME about why the CWD/CDQ/CQO have a bogus implicit def of the A regist...
authorCraig Topper <craig.topper@intel.com>
Thu, 5 Sep 2019 17:24:34 +0000 (17:24 +0000)
committerCraig Topper <craig.topper@intel.com>
Thu, 5 Sep 2019 17:24:34 +0000 (17:24 +0000)
commit77bb523ae38932a3879b9c93fa88c04db57ab80c
tree2184f85606195738acc78736dcd356ecc768eea5tree | snapshot
parent1cd07654de5504e1c47858b6f65be2442089b5dbcommit | diff
[X86] Add a FIXME about why the CWD/CDQ/CQO have a bogus implicit def of the A register. NFC

The instructions copy the sign bit of the A register to every bit
of the D register. But they don't write to the A register.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@371094 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86InstrExtension.td diff | blob | history
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