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I need a Pi to make some program run. However, it is noted somewhere on the program's FAQ that it is "supporting the most popular platforms arm7 and arm64".

My Pi Zero only has the ARMv6 instruction set; when I run that program, segmentation faults are all over the place.

I want to be sure to buy the right Pi for the usage I want. The Raspberry Pi 4, uses an ARMv8 ruleset AFAIK. Can I use that v8 device to run the v7 program?

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  • The ARMv8 Reference Manual is probably your friend here. My gut instincts is that the ARM processor is backwards compatible but obviously not forwards compatible especially if the code uses an instruction that isn’t present in ARMv6
    – Ramhound
    Commented Dec 19, 2023 at 22:50
  • This if accurate suggests later revision’s baseline early sequential revisions together.
    – Ramhound
    Commented Dec 19, 2023 at 22:54

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