[llvm-bugs] [Bug 42599] New: [AMDGPU][MC] Incorrect encoding of src0 for DS_GWS_* instructions

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=42599

            Bug ID: 42599
           Summary: [AMDGPU][MC] Incorrect encoding of src0 for DS_GWS_*
                    instructions
           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

For DS_GWS_* instructions assembler should encode VGPR number into vgpr_d0[S0],
which is bits 39:32. Currently assembler is putting the VGPR number into the
"GDS DATA" field, or bits 47:40 which is incorrect.

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