[llvm-bugs] [Bug 40820] New: [AMDGPU][MC] Unclear limitations on use of expressions

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=40820

            Bug ID: 40820
           Summary: [AMDGPU][MC] Unclear limitations on use of expressions
           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

Most assembler constructs allow use of expressions, however in many cases there
is an unclear limitation: an expression must start with a number.

Examples:

    set x = 3
    s_getreg_b32 s2, hwreg(10 + x) // ok
    s_getreg_b32 s2, hwreg(x + 10) // error

Full list of parser functions which enforce this limitation:

  - parseHwreg
  - parseSendMsgOp
  - parseSWaitCntOps
  - parseSOppBrTarget
  - parseIntWithPrefix
  - parseOperandArrayWithPrefix
  - parseOModOperand
  - parseDfmtNfmt

-- 
You are receiving this mail because:
You are on the CC list for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-bugs/attachments/20190222/f7dccb4e/attachment.html>