[llvm-bugs] [Bug 36356] New: [AMDGPU][MC] v_cndmask_b32 disassembly failures

via llvm-bugs llvm-bugs at lists.llvm.org
Mon Feb 12 10:05:42 PST 2018


https://bugs.llvm.org/show_bug.cgi?id=36356

            Bug ID: 36356
           Summary: [AMDGPU][MC] v_cndmask_b32 disassembly failures
           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_cndmask_b32 instructions compiled by another compiler fail to
disassemble using llvm-mc.

e.g.

v_cndmask_b32  v0, v0, -v0, s[4:5]                             // D1000000
40120100

v_cndmask_b32  v19, v19, -v19, vcc                             // D1000013
41AA2713

v_cndmask_b32  v1, v1, v1, vcc src0_sel:WORD_1 src1_sel:WORD_0 // 000202F9
04050601

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