Displaying 2 results from an estimated 2 matches for "tpidr".
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mpidr
2020 Jan 23
3
How to find out the default CPU / Features String for a given triple?
...eserve-x6,-reserve-x7,-reserve-x9,-saphira,+sb,+sel2,-sha2,-sha3,-slow-misaligned-128store,-slow-paired-128,-slow-strqro-store,-sm4,-spe,+specrestrict,+ssbs,-strict-align,-sve,-sve2,-sve2-aes,-sve2-bitperm,-sve2-sha3,-sve2-sm4,-thunderx,-thunderx2t99,-thunderxt81,-thunderxt83,-thunderxt88,+tlb-rmi,-tpidr-el1,-tpidr-el2,-tpidr-el3,+tracev8.4,-tsv110,+uaops,-use-aa,+use-postra-scheduler,-use-reciprocal-square-root,+v8.1a,+v8.2a,+v8.3a,+v8.4a,+v8.5a,+vh,-zcm,-zcz,-zcz-fp,-zcz-fp-workaround,-zcz-gp
Now, I understand that qemu crashing can be fixed by using a newer qemu
version. And, indeed, on my lapt...
2014 Dec 06
2
[LLVMdev] instruction/intrinsic for segmented adressing
...in most cases (on x86). On ARM there is
> >> definitely a cost.
> >>
> > hm... why? You cannot have indexed addressing?
> What I need is a way to force
> The code that needs to be emitted is roughly:
> [..."segment"-offset into x1...]
> mrs x0, tpidr_el0
> ldr xD, [x0, x1]
>
> That's a more complex addressing mode and an additional MRS
> instruction over the usual sequence. You also lose the ability to fold
> the actual address-computation into the LDR.
>
but this is the price you pay always for RISC vs. x86, or? Prob...