If it's a 32bit userland, then you don't have access to the other GPRs. The GPR ... | Hacker News

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monocasa on Nov 16, 2019 | parent | context | favorite | on: Building a 64-bit aarch64 kernel and userspace for...

If it's a 32bit userland, then you don't have access to the other GPRs. The GPR field in AArch32 instructions is a max of 4 bits, so you can only encode r0-r15.

the-dude on Nov 16, 2019 [–]

Thank you. Have been trying to get a 64-bit gcc running, but haven't succeeded yet.

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