[llvm-bugs] [Bug 35494] New: [AMDGPU][MC][GFX9] Incorrect encoding of ttmp registers

via llvm-bugs llvm-bugs at lists.llvm.org
Fri Dec 1 04:41:11 PST 2017


            Bug ID: 35494
           Summary: [AMDGPU][MC][GFX9] Incorrect encoding of ttmp
           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 gfx7/8 ttmp0-ttmp11 registers occupy range 112..123.
In gfx9 they shall be mapped to 108..119.

Current implementation does not account for this difference.

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