[llvm-bugs] [Bug 36355] New: [AMDGPU][MC] v_cvt_f32 with SDWA disassembly

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=36355

            Bug ID: 36355
           Summary: [AMDGPU][MC] v_cvt_f32 with SDWA disassembly
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Backend: AMDGPU
          Assignee: unassignedbugs at nondot.org
          Reporter: tcorring at amd.com
                CC: llvm-bugs at lists.llvm.org

Some v_cvt_f32 instructions using SDWA that were compiled by another compiler
fail to disassemble using llvm-mc.

The corresponding instructions do assemble but to a different encoding (which
does then disassemble) which may indicate an incorrect encoding?

e.g. 

v_cvt_f32_f16  v6, v6 src0_sel: WORD_1                // 7E0C16F9 00050606

v_cvt_f32_u32  v18, v14 src0_sel: BYTE_0              // 7E240CF9 0000060E

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