[Libre-soc-bugs] [Bug 1231] New: glibc needs dcbt

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=1231

            Bug ID: 1231
           Summary: glibc needs dcbt
           Product: Libre-SOC's first SoC
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: CONFIRMED
          Severity: enhancement
          Priority: ---
         Component: Source Code
          Assignee: lkcl at lkcl.net
          Reporter: programmerjake at gmail.com
                CC: libre-soc-bugs at lists.libre-soc.org
   NLnet milestone: ---

https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/powerpc/powerpc64/strlen.S;h=0d8a38b0cdc7e4582cbb1aa81b07f315a626ee35;hb=d5b411854f0a3135c931921dfa8a33af395acfd3#l104

Since both of dcbt and dcbtst are just hints, it seems easiest to just
implement them as no-ops rather than try to fix glibc and probably other
software that uses them since afaict all 64-bit PowerISA cpus have implemented
them (and probably more, they were first introduced with PPC).

I encountered this while trying to get a statically-linked hello-world to work
in bug #1228

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