[llvm-bugs] [Bug 51121] New: Fatal error occurs when build the llvm with aarch64 processor without insn stzg

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=51121

            Bug ID: 51121
           Summary: Fatal error occurs when build the llvm with aarch64
                    processor without insn stzg
           Product: new-bugs
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: zhongyunde at tom.com
                CC: htmldeveloper at gmail.com, llvm-bugs at lists.llvm.org

llvm newest commit doesn't support built on Arm machine without support
Armv8.5-A ? (the insn stzg is Armv8.5-A Memory Tagging Extension, and will be
support after binutils 2.32, while our default as is 2.31)

when I building with the newest commit node c5dfee44, report Error: selected
processor does not support stzg

then I find a related patch and find the insn stzg is Armv8.5-A new added insn,
see more detail as following link, and will be support after binutils 2.32.

 https://sourceware.org/pipermail/binutils-cvs/2019-January/050001.html, you'll

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