[llvm-bugs] [Bug 34015] New: Backport r309495 to 5.0 - Tie source and destination operands for AESMC/AESIMC.

via llvm-bugs llvm-bugs at lists.llvm.org
Mon Jul 31 23:05:17 PDT 2017


https://bugs.llvm.org/show_bug.cgi?id=34015

            Bug ID: 34015
           Summary: Backport r309495 to 5.0 - Tie source and destination
                    operands for AESMC/AESIMC.
           Product: libraries
           Version: 5.0
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Backend: AArch64
          Assignee: unassignedbugs at nondot.org
          Reporter: Florian.Hahn at arm.com
                CC: llvm-bugs at lists.llvm.org

It would be great if this change could make it in the 5.0 release cycle, as it
significantly improves performance of commercial benchmarks using AES
instructions on most ARM cores implementing AES instruction fusion.

https://reviews.llvm.org/rL309495

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