[Libre-soc-isa] [Bug 532] discuss iterative approach for statistical analysis of effectiveness of Compressed PowerISA encoding

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=532

--- Comment #22 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
jacob wrote:

Jacob Lifshay

3:38 AM (9 hours ago)

to bugzilla-daemon
On Sat, Nov 28, 2020, 16:04 <bugzilla-daemon at libre-soc.org> wrote:

    https://bugs.libre-soc.org/show_bug.cgi?id=532

    --- Comment #21 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
    btw watch out for "nop" which is "ori r0, r0, 0" of which there are 32,000
    in the disasm of bash, and i believe they're data not instructions.


They're actually space for the dynamic linker to insert instructions to change
the TOC register iirc. They're required by the ppc64le ABI spec.

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