[llvm-bugs] [Bug 49449] New: [AMDGPU][GFX9][DOC] Incorrect description of SDWA dst for v_cmp* opcodes

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=49449

            Bug ID: 49449
           Summary: [AMDGPU][GFX9][DOC] Incorrect description of SDWA dst
                    for v_cmp* opcodes
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Windows NT
            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

VOPC SDWA description at

    https://llvm.org/docs/AMDGPU/AMDGPUAsmGFX9.html#vopc

states that dst must be a vcc. This is incorrect.

For v_cmpx_*sdwa opcodes valid operands are s,flat_scratch,xnack,vcc,ttmp,exec.
For v_cmp_*sdwa opcodes valid operands are s,flat_scratch,xnack,vcc,ttmp.

Operand name ("vcc") is also misleading and should be corrected.

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