[llvm-bugs] [Bug 39292] New: [AMDGPU][MC] SCC, VCCZ and EXECZ operands are not supported

via llvm-bugs llvm-bugs at lists.llvm.org
Mon Oct 15 05:04:01 PDT 2018


https://bugs.llvm.org/show_bug.cgi?id=39292

            Bug ID: 39292
           Summary: [AMDGPU][MC] SCC, VCCZ and EXECZ operands are not
                    supported
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Backend: AMDGPU
          Assignee: unassignedbugs at nondot.org
          Reporter: dpreobrazhensky at luxoft.com
                CC: llvm-bugs at lists.llvm.org

Current implementation supports only implicit use of SCC operand.
Many instructions should also support explicit use of SCC, VCCZ and EXECZ. For
example:

    v_mov_b32 v0, vccz

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