as part of the instruction space or something? or just ready to use ip?
Twitter Oracle: Do you think @Arm will ultimately end up making a processor core with RISC-V ISA support?
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As feature in a new of their processor IP. I would expect it to have a way of switching ISA, like they already do with Thumb and (I think) AArch64.
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They should but they wouldn't ... just like Intel should but won't maybe AMD might. It's all about protecting the core asset by showing absolute blinding faith in it and adopting a competing ISA in branding speak is a show of wavering on brand identity.
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I think it's about as likely as Intel abandoning the x86/x64 ISA.
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I think a programmable accelerator first, rather than a processor
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Not in 5 years. 20 years maybe. Even Microsoft is starting to embrace Linux now. 20 years ago Microsoft wouldn't even acknowledge Linux's existence.
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It is overwhelmingly more likely that Arm will consider open-sourcing their ISA and their loosening their partner program requirements long before they consider adopting RISC-V in any capacity (a la how PowerPC and MIPS are today).
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And, honestly, I wouldn't blame them one bit for making that decision. They have no incentive to adopt RISC-V, when their ISA is already at least as good (deployed and battle-tested) already.
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depends on if RISCV blows up in popularity. originally I thought "never" but I remembered that Jazelle was a thing sooo maybe I don't think it's far fetched for them to work on a RISCV compatible mode to their AArch chips
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