[llvm-bugs] [Bug 40889] New: [AMDGPU][MC] DS offset0 modifier accepts 16-bit values

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https://bugs.llvm.org/show_bug.cgi?id=40889

            Bug ID: 40889
           Summary: [AMDGPU][MC] DS offset0 modifier accepts 16-bit values
           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

Using this modifier with values which do not fit in 8 bits should trigger an
error. Currently any 16-bit values are accepted:

    ds_write2_b32 v1, v2, v3 offset0:0xFFFF

This code is assembled without errors. The result is equivalent to the
following code:

    ds_write2_b32 v1, v2, v3 offset0:0xFF

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