[llvm-bugs] [Bug 48847] New: [AMDGPU][MC] Invalid disassembly of image_atomic instructions with tfe

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=48847

            Bug ID: 48847
           Summary: [AMDGPU][MC] Invalid disassembly of image_atomic
                    instructions with tfe
           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

image_atomic instructions with tfe cannot be properly decoded. Disassembler
unable to identify correct dst size.

An example for GFX9:

    0x00,0x03,0x49,0xf0,0xfc,0x05,0x17,0x00

Expected output:

    image_atomic_add v[5:7], v252, s[92:99] dmask:0x3 tfe

Actual result:

    image_atomic_add v5, v252, s[92:99] dmask:0x3 tfe

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