[llvm-bugs] [Bug 32936] New: [mc] Disassembler appends "_e64" for many VI opcodes like v_bfm_b32

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=32936

            Bug ID: 32936
           Summary: [mc] Disassembler appends "_e64" for many VI opcodes
                    like v_bfm_b32
           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

In VI these instructions can only be encoded using VOP3 format (VOP2/VOP3 in
CI). However disassembler appends "_e64" suffix which is misleading for VI ISA.

Full list of opcodes affected by this issue:

  v_bcnt_u32_b32
  v_bfm_b32
  v_cvt_pk_i16_i32
  v_cvt_pk_u16_u32
  v_cvt_pkaccum_u8_f32
  v_cvt_pknorm_i16_f32
  v_cvt_pknorm_u16_f32
  v_cvt_pkrtz_f16_f32
  v_ldexp_f32
  v_mbcnt_hi_u32_b32
  v_mbcnt_lo_u32_b32

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