| commit | 549a081f228d9813acfee51fb476eea9c1fa86a6 | [log] [tgz] |
|---|---|---|
| author | Craig Topper <craig.topper@intel.com> | Wed Sep 12 15:47:34 2018 +0000 |
| committer | Craig Topper <craig.topper@intel.com> | Wed Sep 12 15:47:34 2018 +0000 |
| tree | 235e3f237782b8af98c44ea7282d4f0328c9fc3c | |
| parent | 9b8c7635149c112ce0f77f09aabc2a26a78422ff [diff] |
[X86] Remove isel patterns for ADCX instruction There's no advantage to this instruction unless you need to avoid touching other flag bits. It's encoding is longer, it can't fold an immediate, it doesn't write all the flags. I don't think gcc will generate this instruction either. Fixes PR38852. Differential Revision: https://reviews.llvm.org/D51754 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@342059 91177308-0d34-0410-b5e6-96231b3b80d8